CN102022217A - Engine and saddle-riding type vehicle including the same - Google Patents
Engine and saddle-riding type vehicle including the same Download PDFInfo
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- CN102022217A CN102022217A CN2010105298324A CN201010529832A CN102022217A CN 102022217 A CN102022217 A CN 102022217A CN 2010105298324 A CN2010105298324 A CN 2010105298324A CN 201010529832 A CN201010529832 A CN 201010529832A CN 102022217 A CN102022217 A CN 102022217A
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- Prior art keywords
- cylinder
- motor
- oxygen concentration
- protuberance
- concentration sensor
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- 239000001301 oxygen Substances 0.000 claims abstract description 131
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 131
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 130
- 238000001514 detection method Methods 0.000 claims abstract description 35
- 239000007789 gas Substances 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims description 67
- 238000007599 discharging Methods 0.000 abstract description 9
- 238000002485 combustion reaction Methods 0.000 abstract 3
- 239000003921 oil Substances 0.000 description 16
- 238000010304 firing Methods 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 9
- 238000013022 venting Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000037361 pathway Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 210000001699 lower leg Anatomy 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/008—Mounting or arrangement of exhaust sensors in or on exhaust apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
- F02B77/085—Safety, indicating, or supervising devices with sensors measuring combustion processes, e.g. knocking, pressure, ionization, combustion flame
- F02B77/086—Sensor arrangements in the exhaust, e.g. for temperature, misfire, air/fuel ratio, oxygen sensors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
- F01N2560/025—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting O2, e.g. lambda sensors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
There is provided an engine in which a projection of the oxygen concentration sensor outwardly of the cylinder head can be prevented and engine size increase is reduced even if the oxygen concentration sensor is provided at a position at which the exhaust gas has a high temperature in the cylinder head. Also, there is provided a saddle-riding type vehicle which includes the engine. An engine 36 includes: a cylinder head 46 which has a projected portion 66 projecting outwardly from a head main body 65; a combustion recess 70 formed in the head main body 65; an exhaust gas passage 80 from the combustion recess 70 through the projected portion 66 for discharging exhaust gas from the combustion recess 70; and an oxygen concentration sensor 50 which has a main body portion 118 and a detection portion 120. The oxygen concentration sensor 50 is mounted to the projected portion 66. The main body portion 118 and the detection portion 120 overlap the projected portion 66 when viewed from the direction of a cylinder axis A. Further, at least part of the detection portion 120 is located within the exhaust gas passage 80.
Description
Technical field
The present invention relates to a kind of motor and have the riding vehicle of this motor, particularly about a kind of riding vehicle that possesses the motor of the oxygen concentration sensor that is used to detect the oxygen concentration of discharging gas and have this motor.
Background technique
As the conventional art of this respect, the single-cylinder engine that the scheme of proposition has patent documentation 1 for example to be put down in writing.
With reference to Figure 19 (a) and (b), in the single-cylinder engine that patent documentation 1 is disclosed, cylinder head 1a is provided with on its outer circumferential face and swells the 2a of portion, is formed with to connect to swell the exhaust passageway 3a of the 2a of portion.In addition, be used to detect the oxygen concentration sensor 4a of the oxygen concentration of discharging gas, be in the valve mechanism cover mounting flange 5a of cylinder head 1a and cylinder head 1a swell in the recess between the 2a of portion, the cylinder-bore axis of motor is mounted obliquely within and swells on the 2a of portion relatively.In addition, oxygen concentration sensor 4a, the mode that is positioned at exhaust passageway 3a with its detection unit is installed in swells on the 2a of portion.Such oxygen concentration sensor 4a after discharging gas heating by the high temperature of exhaust passageway 3a, is warmed up to the temperature of this sensor activate rapidly.Like this, can constitute no heater-type oxygen concentration sensor.
Other examples of conventional art are also disclosed in the patent documentation 2 in addition.
With reference to Figure 20, in the single-cylinder engine that patent documentation 2 is disclosed,,, be formed with the space 2b that holds the timing chain that is used for drive cam shaft in the left side of cylinder head 1b from the place ahead of cylinder-bore axis.In the bottom of cylinder head 1b, be formed with the relief opening 3b that square neck is oblique to the right.In addition, be used to detect the oxygen concentration sensor 4b of the oxygen concentration of discharging gas, be installed on the cylinder head 1b, its detection unit is positioned at relief opening 3b.In this single-cylinder engine, oxygen concentration sensor 4b also discharges gas heating by the high temperature by relief opening 3b, is warmed up to the temperature of this sensor activate rapidly.Like this, can constitute no heater-type oxygen concentration sensor.
In addition, in Figure 19 and Figure 20, crankshaft direction is defined as left and right directions, the cylinder-bore axis direction is defined as fore-and-aft direction, the direction vertical with bent axle or the arbitrary side of cylinder-bore axis is defined as above-below direction.
Patent documentation 1: No. 4152796 communiques of Japan's special permission.
Patent documentation 2: TOHKEMY 2006-183489 communique.
The content of invention
The problem that invention will solve
In addition, the oxygen concentration sensor 4b in the patent documentation 2 is provided with from relief opening 3b right side to right-hand extension ground, has avoided and the left side of cylinder head 1b, the interference of valve mechanism cover., when the cylinder-bore axis direction was seen cylinder head 1b, the front end of oxygen concentration sensor 4b (right part among Figure 20) stretched out significantly to the right-hand of cylinder head 1b.
Like this, no matter be motor in patent documentation 1 or the arbitrary document of patent documentation 2, oxygen concentration sensor or stretch out to the cylinder head left, or stretch out to the right-hand of cylinder head, can cause the size of motor to become big.Particularly, for single-cylinder engine or V-type twin cylinder engine, had the compacter characteristic of left and right directions originally, this specific character also greatly has been subjected to damage as a result.
Given this, main purpose of the present invention is, even provide the high position of a kind of effluent air temp on cylinder head that oxygen concentration sensor is set, still can prevent oxygen concentration sensor to the stretching out of cylinder head foreign side, suppress motor size motor and have the riding vehicle of this motor.
The means that address the above problem
According to a kind of form of the present invention, a kind of motor is provided, this motor is single-cylinder engine or V-type twin cylinder engine, comprising: have the cylinder cap main body and reach from the cylinder head of cylinder cap main body to the outstanding protuberance of foreign side; Be formed on the burning recess on the cylinder cap main body; Be used for to discharge gas and discharge, the exhaust passageway that forms in mode from burning recess perforation protuberance from the burning recess; Be used to detect the oxygen concentration of discharging gas, have main part and be arranged on the oxygen concentration sensor of the detection unit on the main part.Oxygen concentration sensor is installed on the protuberance, and its main part and detection unit are seen with protuberance overlapping from the direction of cylinder-bore axis, and at least a portion of its detection unit is positioned at exhaust passageway.
In this invention, the protuberance that cylinder head has the cylinder cap main body and gives prominence to foreign side from the cylinder cap main body, and be formed with the exhaust passageway that connects protuberance.In addition, see that from the direction of cylinder-bore axis at least a portion of and its detection unit overlapping with protuberance is positioned at the mode of exhaust passageway, is installed in oxygen concentration sensor on the protuberance with its main part and detection unit.Whereby, even oxygen concentration sensor is set, can prevent that also oxygen concentration sensor is further outstanding to foreign side from cylinder head in the high position of effluent air temp.Like this, can not damage the characteristic of single-cylinder engine or V-type twin cylinder engine left and right directions compactness, can suppress the size of single-cylinder engine or V-type twin cylinder engine.In addition, though the projection of cylinder head is outstanding to foreign side,, owing to the venting gas appliance that can shorten on the cylinder head that is installed in this part, so, motor physical dimension on every side can not increased.
Preferably, oxygen concentration sensor is installed on the protuberance in the mode of main body section in the position in detection unit the place ahead.In this case, the air cooling of having avoided main part and cylinder block is with the interference of fan float chamber, oxygen concentration sensor not to the left and right direction stretch out, be easily installed on the cylinder head.
Preferably, oxygen concentration sensor so that the mode that the center line of oxygen concentration sensor and cylinder-bore axis are parallel to each other be installed on the protuberance.In this case, be easy to prevent oxygen concentration sensor stretching out to cylinder head foreign side.
Preferably, protuberance is outstanding at least downwards from the cylinder cap main body.In this case, can effectively utilize the space of cylinder cap main body below, protuberance is set well.
Preferably, protuberance is from the cylinder-bore axis direction, and is outstanding to oblique below from the cylinder cap main body.In this case, the length of protuberance can be guaranteed, also cylinder head can be formed compactly.
Preferably, oxygen concentration sensor is from the cylinder-bore axis direction, from the cylinder cap main body to the left and right direction dispose highlightedly.In this case, can prevent reliably that oxygen concentration sensor to the stretching out of cylinder head foreign side, further suppressing the size of motor.
Preferably, protuberance has the opening portion that constitutes the exhaust passageway downstream, and the opening portion center can not be in the more outer position of left and right directions of cylinder cap main body from the cylinder-bore axis direction.In this case, can suppress further to suppress the size of motor to the stretching out of the protuberance of cylinder head foreign side.
Preferably, the outer circumferential face of cylinder cap main body has from the cylinder-bore axis direction sees the recess that the side falls in the cylinder cap main body, and protuberance is formed on the recess.In this case, owing to oxygen concentration sensor is installed near the protuberance of recess, so, can suppress protuberance stretching out to cylinder head foreign side.Like this, can form cylinder head compactly.
Preferably, recess is recessed upward.In this case, the length of the protuberance of recess can be guaranteed to be located at, also cylinder head can be formed compactly.
Preferably, recess is recessed to the side.In this case, the length of the protuberance on the recess can be guaranteed to be located at, cylinder head can be formed compactly again.
Preferably, recess so that the mode that the bight of cylinder cap main body falls in form.In this case, the length of the protuberance on the recess can be guaranteed to be arranged on, cylinder head can be formed compactly again.
Preferably, also comprise: be arranged on the valve mechanism cover in cylinder head the place ahead and be used for main body covered portion at least the place ahead, be arranged on the sensor wrap portion on the valve mechanism cover.In this case, available protuberance and sensor wrap portion cover the front and back of oxygen concentration sensor.Like this, under situation about motor being equipped on the riding vehicle, can protect oxygen concentration sensor to avoid the influence of slungshot etc. reliably from the road surface.In addition, be installed on the protuberance overlappingly because oxygen concentration sensor is seen with protuberance from the direction of cylinder-bore axis, and be positioned near the cylinder head, so it is big that sensor wrap portion can not become.
Preferably, comprise the valve mechanism cover that is arranged on cylinder head the place ahead, cylinder head has the cover attachment face that valve mechanism cover is installed, and protuberance has the sensor attachment face that oxygen concentration sensor is installed, and cover attachment face and sensor attachment face form in parallel to each other.In this case, cover attachment face and sensor attachment face are easy to form by machining.
Preferably, also comprise the valve mechanism cover that is arranged on cylinder head the place ahead, cylinder head has the cover attachment face that valve mechanism cover is installed, and protuberance has the sensor attachment face that oxygen concentration sensor is installed, and cover attachment face and sensor attachment face are in the same plane.In this case, cover attachment face and sensor attachment face can form simultaneously by machining, are easy to obtain cylinder head.
Preferably, also comprise: be arranged on the valve mechanism cover in cylinder head the place ahead and be connected on the main part and along the electric wire of valve mechanism cover configuration.In this case, can be to leave the mode configuration of wires of the exhaust passageway that is formed on the cylinder head.Like this, can dwindle, can suppress the deterioration of electric wire from the influence of the heat of the exhaust of exhaust passageway to electric wire.In addition, by electric wire is disposed along valve mechanism cover, can dwindle the necessary space of electric wire of drawing from motor.
Preferably, also comprise the holding part on the valve mechanism cover of being arranged on that is used to keep electric wire.In this case, easily electric wire is disposed along valve mechanism cover by holding part, distribution is more prone to.
According to motor of the present invention, can prevent that oxygen concentration sensor to the stretching out of cylinder head foreign side, suppressing size of engine.Like this, as motor of the present invention is used for the two-wheeled riding vehicle of Denging, can suppresses riding vehicle and become big.
Preferably, cylinder-bore axis oblique upper inclination forwards.In this case, can suppress motor stretching out downwards.Therefore, this structure is applicable to the riding vehicle that comprises single-cylinder engine or V-type twin cylinder engine very much.
In the present invention, " foreign side " of so-called cylinder head is meant vertical with cylinder-bore axis and from the direction of cylinder-bore axis with radial extension, not only comprises left and right directions, also comprises above-below direction.
In addition, so-called " main part and detection unit are seen with protuberance overlapping from the cylinder-bore axis direction " is meant that from the cylinder-bore axis direction main part and detection unit can not stretched from the profile of protuberance.
Above-mentioned purpose of the present invention and other purposes, feature, form and advantage, the detailed description by the invention process form of hereinafter carrying out along with accompanying drawing will be more readily apparent from clear.
The effect of invention
According to the present invention,, can prevent that also oxygen concentration sensor to the stretching out of cylinder head foreign side, suppressing size of engine even the position that effluent air temp is high on cylinder head is provided with oxygen concentration sensor.
Description of drawings
Fig. 1 is the two-wheeled left side view of expression an embodiment of the present invention.
Fig. 2 is expression Power Component, trailing wheel and a near left side view thereof.
Fig. 3 is body framework, Power Component, trailing wheel and near the explanatory drawing thereof that expression is seen from cylinder-bore axis the place ahead.
Fig. 4 is the explanatory drawing of the motor of an embodiment of the present invention of seeing from cylinder-bore axis the place ahead of expression.
Fig. 5 is the right side view of expression motor major component.
Fig. 6 is the stereogram of expression motor major component.
Fig. 7 is the part sectioned view of I-I line in the presentation graphs 4.
Fig. 8 is the sectional drawing of II-II line in the presentation graphs 5.
Fig. 9 is the explanatory drawing of the motor of another embodiment of the present invention of seeing from cylinder-bore axis the place ahead of expression.
Figure 10 is the local summary right side view of the part of expression a example of motor that air shield is installed.
Figure 11 (a) is the major component of the example of the valve mechanism cover that is formed with a sensor wrap part seen from cylinder-bore axis the place ahead of expression and near explanatory drawing thereof, and Figure 11 (b) is its stereogram.
Figure 12 (a) is the major component of another example of the valve mechanism cover that is formed with a sensor wrap part seen from cylinder-bore axis the place ahead of expression and near explanatory drawing thereof, and Figure 12 (b) is its stereogram.
Figure 13 is partial cross section's explanatory drawing of the motor of expression another embodiment of the present invention.
Figure 14 is the motor explanatory drawing of another embodiment of the present invention of seeing from the place ahead of cylinder-bore axis of expression.
Figure 15 is the explanatory drawing that the expression oxygen concentration sensor is mounted obliquely within the installment state major component on the protuberance.
Figure 16 is the cross-sectional illustration figure of III-III line shown in Figure 15.
Figure 17 (a) is partial cross section's explanatory drawing of V-type twin cylinder engine of expression another embodiment of the present invention, and Figure 17 (b) is the explanatory drawing of this motor of seeing from the top.
Figure 18 is the two-wheeled left side view of expression another embodiment of the present invention.
Figure 19 (a) and (b) be the stereogram of cylinder head of expression patent documentation 1.
Figure 20 is the sectional drawing of the cylinder head of expression patent documentation 2.
Symbol description
10,10,10a-two-wheeled 36,36a, 36b, 36c, 36d, the 36e-motor, the 40-bent axle, the 42-crankcase, 44-cylinder block, 46,46a, the 46b-cylinder head, the 48-valve mechanism cover, 50, the 50a-oxygen concentration sensor, 65-cylinder cap main body, 66,66a-protuberance, 68-recess, the 70-recess that burns, 72,78, the 78a-opening portion, 79-opening portion center, 80, the 80a-exhaust passageway, 110-covers attachment face, 112,112a-sensor attachment face, 118, the 118a-main part, 120-detection unit, 124,124a, the 124b-electric wire, the 140-holding part, 144,144a-sensor wrap portion, A-cylinder-bore axis, B-central axis.
Embodiment
Hereinafter, with reference to the description of drawings embodiments of the present invention.
In addition, in motor of the present invention, crankshaft direction is defined as left and right directions, the cylinder-bore axis direction is defined as fore-and-aft direction, the direction vertical with bent axle or cylinder-bore axis either party is defined as above-below direction.In the invention process form two-wheeled, be benchmark with the driver towards handlebar and the state that sits on the two-wheeled vehicle seat, definition left and right directions, fore-and-aft direction and above-below direction.Crosswise arrow in the accompanying drawing is represented direction, and " F " represents the place ahead, and " Rr " represents the rear, and " U " represents the top, and " Lo " represents the below, and " R " representative is right-hand, and " L " represents left.
Fig. 1 is the left side view of so-called scooter type two-wheeled 10 that expression has the motor 36 of an embodiment of the present invention.
With reference to Fig. 1, two-wheeled 10 comprise body framework 12.Above the front portion of body framework 12 and below, be respectively arranged with handlebar 14 and front-wheel 16.Above the rear portion of body framework 12, be provided with the vehicle seat 18 that the driver takes.Between handlebar 14 and vehicle seat 18,, be provided with the driver and put the pedal 20 that pin is used along body framework 12.Pedal 20 is that equal height ground forms continuously with the part that rides in driver on the vehicle seat 18 and place right crus of diaphragm and left foot.Like this, between handlebar 14 and vehicle seat 18, above pedal 20, form bigger space.Body framework 12 is provided with in the mode by pedal 20 belows.
The a pair of vehicle frame 22 (with reference to Fig. 3) that disposes discretely about body framework 12 comprises.A pair of vehicle frame 22 has predetermined distance ground to be provided with at left and right directions mutually, and extends towards the rear oblique upper.On a pair of vehicle frame 22, but swingingly support dynamic assembly 26 by linkage mechanism 24 easy on and off.
Fig. 2 is expression Power Component 26, trailing wheel 34 and a near left side view thereof.Fig. 3 is body framework 12, Power Component 26, trailing wheel 34 and near the explanatory drawing thereof that expression is seen from the place ahead of cylinder-bore axis A.
Side two-wheeled 10 sees that motor 36 intersects with vehicle frame 22.Motor 36 comprises: bent axle 40, crankcase 42, cylinder block 44, cylinder head 46 and valve mechanism cover 48.Crankcase 42, cylinder block 44, cylinder head 46 and valve mechanism cover 48 forwards are arranged on the cylinder-bore axis A of motor 36 from the rear of vehicle fore-and-aft direction in turn.Crankcase 42, cylinder block 44, cylinder head 46 and valve mechanism cover 48 are connected with adjacent parts.As shown in Figures 1 and 2, the relative vehicle fore-and-aft direction of cylinder-bore axis A tilts towards the place ahead oblique upper, some inclination a little in this form of implementation.
As mentioned below, on cylinder head 46, be provided with the discharge gas of the firing chamber 90 (the burning recess 70 of cylinder head 46) that is used to detect from motor 36 discharging oxygen concentration oxygen concentration sensor 50 and be used to detect the oil temperature sensor 52 of temperature of engine oil of motor 36 of flowing through.In addition, at the upper surface of cylinder head 46, be connected with the air inlet system of using to firing chamber 90 air supplies via the inlet air pathway 74 of motor 36 54.In the bottom of cylinder head 46, be connected with via exhaust passageway 80 and will discharge the venting gas appliance 56 that gas is discharged usefulness from the firing chamber 90 of motor 36.
With reference to Fig. 4～Fig. 8, describe motor 36 in detail.
The explanatory drawing of Fig. 4 motor 36 that to be expression obtain from the forward observation of cylinder-bore axis A.Fig. 5 is the right side view of expression motor 36 major components.Fig. 6 is the stereogram of expression motor 36 major components.Fig. 7 is the part sectioned view of I-I line in the presentation graphs 4.Fig. 8 is the sectional drawing of II-II line in the presentation graphs 5.
As shown in Figure 7, the rear end of the cylinder cap main body 65 in being included in cylinder head 46 is formed with burning recess 70.Burning recess 70 is communicated with via inlet air pathway 74 with the opening portion 72 of cylinder head 46 upper surfaces.Inlet air pathway 74 towards the burning recess 70 opening as suction port 76.On opening portion 72, be connected with air inlet system 54.Burning recess 70 is communicated with via exhaust passageway 80 with the opening portion 78 of protuberance 66.Exhaust passageway 80 towards the burning recess 70 opening as relief opening 82.On the opening portion 78 of protuberance 66, be connected with venting gas appliance 56.Venting gas appliance 56 its ends are provided with flange part 84, with stud bolt 86 and nut 88 flange part 84 are installed on the protuberance 66.
With reference to Fig. 4, when motor 36 is seen in the place ahead of cylinder-bore axis A, be formed on exhaust passageway 80 relative above-below directions (with bent axle 40 and the vertical direction of cylinder-bore axis A any one party) on the cylinder head 46 and tilt and be formed extended at both sides downwards.More particularly, when motor 36 is seen in the place ahead of cylinder-bore axis A, be formed on the cylinder head 46 exhaust passageway 80 with from the firing chamber 90 (burning recesses 70) and relief opening 82 to the right tiltedly the below mode of extending form.In addition, as the opening portion 78 relative above-below directions of the protuberance 66 of the downstream of exhaust passageway 80 towards true dip direction.More particularly, as the opening portion 78 of the protuberance 66 of exhaust passageway 80 downstream towards the right side oblique below.Further, the center 79 of opening portion 78 can not be in the more outer side's of left and right directions of cylinder cap main body 65 position from cylinder-bore axis A direction.Like this, exhaust passageway 80 also is formed on the protuberance 66.Exhaust passageway 80 extends along the direction of leaving the transmission part 98 that is arranged on motor 36 left part and rotary component 100 (aftermentioned).In addition, firing chamber 90 forms by means of space and the burning recess 70 that cylinder-bore 60 and piston 62 surround.
In motor 36, air imports firing chamber 90 by air inlet system 54 and inlet air pathway 74.Discharging gas 90 discharges by exhaust passageway 80 and venting gas appliance 56 from the firing chamber.
With reference to Fig. 7, motor 36 also comprises: valve actuator 92, suction valve 94 and outlet valve 96.
Cover attachment face 110 forms in parallel to each other with sensor attachment face 112.
Here, should be noted that, be used to detect the oxygen concentration sensor 50 that the oxygen concentration of the discharge gas by exhaust passageway 80 is used,, be installed on the sensor attachment face 112 of protuberance 66 to see the mode overlapping from the direction of cylinder-bore axis A with the protuberance 66 of cylinder head 46.So-called " oxygen concentration sensor 50 is seen with protuberance 66 overlapping from the direction of cylinder-bore axis A " is meant that from the direction of cylinder-bore axis A oxygen concentration sensor 50 can not stretch out from the profile of protuberance 66.As mentioned below, the central axis B of oxygen concentration sensor 50 can be parallel with cylinder-bore axis A, and cylinder-bore axis A tilts relatively.
On sensor attachment face 112, be formed with the mounting hole 114 that is communicated with exhaust passageway 80 abreast with cylinder-bore axis A.Mounting hole 114 has recessed screw section 116.
When being installed in oxygen concentration sensor 50 on the protuberance 66, detection unit 120 is inserted in the mounting hole 114, make its inside of facing exhaust passageway 80, convex thread portion 122 is screwed in the recessed screw section 116.Oxygen concentration sensor 50 to see the overlapping mode of protuberance 66 that makes main part 118 and detection unit 120 and cylinder head 46 from the direction of cylinder-bore axis A, is installed on the protuberance 66.In addition, oxygen concentration sensor 50 is installed on the protuberance 66 along recess 68.In other words, the oxygen concentration sensor 50 of column is along the direction setting of recess 68 extensions.Under the installment state of oxygen concentration sensor 50, the central axis B of oxygen concentration sensor 50 is parallel with cylinder-bore axis A, and at least a portion of detection unit 120 is positioned at exhaust passageway 80.
In the other end of main part 118, be connected with the connector 125 of electric wire 124.In this form of implementation, electric wire 124 is that relative main part 118 can freely load and unload.The detection unit 120 of oxygen concentration sensor 50 can carry out correct detection by comprising that for example the zirconium of stabilization constitutes more than the sensor activated temperature of regulation.At least a portion of detection unit 120 is discharged the exhaust passageway 80 of gas process owing to being positioned at high temperature, so detection unit 120 is by discharging gas heating.Therefore, oxygen concentration sensor 50 can promptly reach the sensor activated temperature.Like this,, can use the no heater-type sensor that does not need to be used to heat the independent heating equipment of detection unit 120, can dwindle oxygen concentration sensor 50, and will reduce cost as oxygen concentration sensor 50.
The testing signal of oxygen concentration sensor 50 flows to engine controlling unit 126 via electric wire 124.Engine controlling unit 126 will be supplied with the fuel sky of firing chamber 90 so than controlling to optimal state according to the testing signal that sends.Specifically, engine controlling unit 126 drives the Fuelinjection nozzle 128 that is arranged on the air inlet system 54, injects fuel in the air that is supplied in firing chamber 90.
In addition, as Fig. 4, Fig. 6 and shown in Figure 8, cylinder head 46 its sides are provided with oil temperature sensor and install with boss part 130.Boss part 130 is formed on the top of the right flank of cylinder head 46.The boss hole 132 of boss part 130 is communicated with the oily path 134 of the inside that is formed on cylinder head 46.Oil path 134 forms abreast with cylinder-bore axis A.In addition, in cylinder head 46, form the accommodating part 136 of camshaft 102.Accommodating part 136 and boss hole 132 are communicated with by oily path 138.Oil temperature sensor 52 is installed on this boss part 130.
During bent axle 40 rotations supported with crankcase 42, drive oil pump via the idler gears in the crankcase 42.So, with oil from oil pump via being formed on oily path on the crankcase 42, being formed on oily path on the surface of contact of crankcase 42 and cylinder block 44, being formed on the oily path on the cylinder block 44 and being formed on oily path 134 on the cylinder head 46, supply to camshaft 102 and valve actuator 92.In addition, oil is supplied with to bent axle 40 and oil cooler from oil pump.Like this, all the time oil is supplied to direct-connected circuit forcibly from oil pump in the rotation of bent axle 40.
According to having the two-wheeled 10 of such motor 36, cylinder head 46 is provided with protuberance 66 on the right tiltedly following face on the outer circumferential face of cylinder cap main body 65, exhaust passageway 80 with from the firing chamber 90 to the right tiltedly the below extend and the mode of perforation protuberance 66 forms.The opening portion 78 of protuberance 66 downstream is oblique below towards the right side.In addition, see that from the direction of cylinder-bore axis A the main part 118 of oxygen concentration sensor 50 and detection unit 120 are overlapping with protuberance 66, and at least a portion of its detection unit 120 is positioned at exhaust passageway 80, in the above described manner oxygen concentration sensor 50 is installed on the protuberance 66.
Whereby, even be on the protuberance 66 of cylinder head 46 oxygen concentration sensor 50 to be set in the high position of effluent air temp, can prevent that also oxygen concentration sensor 50 from stretching out in foreign side's (particularly left and right directions) of cylinder head 46.Like this, can not damage the characteristic of single-cylinder engine 36 compactness on left and right directions, can suppress the size of single-cylinder engine 36.In addition, oxygen concentration sensor 50 can be forwards not outstanding from valve mechanism cover 48.Therefore, also can prevent oxygen concentration sensor 50 stretching out on the fore-and-aft direction of motor 36.Further, in motor 36, because the front end of valve actuator 92 is positioned at more the place ahead of exhaust passageway 80, so, sufficiently long from the sensor attachment face 112 of protuberance 66 to the distance of the cylinder-bore axis A direction of the front surface of valve mechanism cover 48.More particularly, the distance from the sensor attachment face 112 of protuberance 66 to the cylinder-bore axis A direction of the front surface of valve mechanism cover 48 is greater than the length of the part of exposing from sensor attachment face 112 on the oxygen concentration sensor 50.Like this, can not give prominence to significantly, can dwindle the requisite space of electric wire 124 distributions to the place ahead of motor 36 with oxygen concentration sensor 50 wire connecting 124.In addition, though cylinder head 46 is outstanding to foreign side with amount that protuberance 66 is arranged, owing to shortened venting gas appliance 56 on the cylinder head 46 that is installed in this part, so, the size of motor surrounding structure can not increased.
Particularly, the motor 36 of this form of implementation, sufficiently long from the sensor attachment face 112 of protuberance 66 to the distance of the cylinder-bore axis A direction of the front surface of valve mechanism cover 48, and oxygen concentration sensor 50 forms with the column of its axle direction length greater than radius.By adopting such formation, be easy to oxygen concentration sensor 50 is installed on the cylinder head 46 to see from cylinder-bore axis A direction with the overlapping mode of protuberance 66, therefore, the present invention has special effect.
The outer circumferential face of cylinder head body 65 has from cylinder-bore axis A direction sees that protuberance 66 forms towards the recess 68 of interior side's depression of cylinder cap main body 65 on recess 68.If adopt such structure, owing to oxygen concentration sensor 50 can be installed near the recess 68 the protuberance 66, so, protuberance 66 stretching out can be suppressed to cylinder head 46 foreign sides.Like this, can form cylinder head 46 compactly.
It is recessed that recess 68 reaches the side upward.In addition, recess 68 so that the recessed mode in the bight of cylinder cap main body 65 form.Like this, the length of the protuberance 66 on the recess 68 can be guaranteed to be located at, cylinder head 46 can be formed compactly again.
Cover attachment face 110 forms in parallel to each other with sensor attachment face 112.Therefore, cover attachment face 110 is easy to form by machining with sensor attachment face 112.
Because cylinder-bore axis A forwards oblique upper tilts, so, motor 36 stretching out downwards can be suppressed.Like this, this structure is applicable to the riding vehicle that comprises single-cylinder engine or V-type twin cylinder engine very much.
In addition, in above-mentioned form of implementation, though adopted linkage mechanism 24, also linkage mechanism 24 can be set, but Power Component can be set directly on the body framework 12 about in the of 26 with freely swinging.
Fig. 9 is the explanatory drawing of the motor 36a of another embodiment of the present invention of seeing from the place ahead of cylinder-bore axis A of expression.
In motor 36a, replace oxygen concentration sensor 50, use oxygen concentration sensor 50a with electric wire 124a, replace electric wire 124 with electric wire 124b, on valve mechanism cover 48, form holding part 140.Because it is identical with the motor 36 of Fig. 4～shown in Figure 7 that other constitute, so, repeat specification omitted to it.
Oxygen concentration sensor 50a is connecting the end of electric wire 124a in the inside of its main part 118a, electric wire 124a draws from main part 118a.The other end of electric wire 124a is connected on the engine controlling unit 126 via electric wire 124b.In addition, electric wire 124a and 124b have connector 125a and 125b respectively.By connector 125a and 125b are linked together, electric wire 124a and electric wire 124b are coupled together.
At the front surface of valve mechanism cover 48, be provided with a plurality of (being 4) holding part 140 in this form of implementation.By these holding parts 140, remain connected to the electric wire 124a on the oxygen concentration sensor 50a main part 118.Holding part 140 forms with valve mechanism cover 48, also can be used as separate part and forms.In addition, holding part 140 can also be by the cementability or the adhering strip-shaped parts that are pressed on the valve mechanism cover 48 with electric wire 124a.Further, holding part 140 can also be by electric wire 124a and keep the roughly C word shape of electric wire 124a or the parts of U word shape.In addition, shown in the dotted line of Fig. 9, holding part 140 can also be formed on the right flank of valve mechanism cover 48.Further, holding part 140 can also be formed on any one of left surface, upper surface or lower surface of valve mechanism cover 48.
Keep electric wire 124a by such holding part 140 in mode along valve mechanism cover 48, can be to leave the mode configuration of wires 124a of the exhaust passageway 80 that is formed on the cylinder head 46.Like this, minimum from the heat of the exhaust of exhaust passageway 80 to the influence of electric wire 124a, can suppress the deterioration of electric wire 124a.In addition, by electric wire 124a is disposed along valve mechanism cover 48, can dwindle the requisite space of drawing electric wire 124a from motor 36a.In addition, by utilizing holding part 140, be easy to configuration of wires 124a.
In addition, holding part 140 also can be used for previous form of implementation.In this case, utilize holding part 140, remain connected to the electric wire 124 on the oxygen concentration sensor 50.
Figure 10 is the local summary right side view that expression is equipped with motor 36 parts of air shield 142.
As shown in figure 10, air shield 142 is installed on the motor 36 of Fig. 4～shown in Figure 7, is formed holding part 140 on the surface of air shield 142, remain connected to electric wire 124 on the oxygen concentration sensor 50 by holding part 140, such structure also is feasible.Further, also holding part 140 can be arranged on the cylinder head 46.
Figure 11 (a) is the valve mechanism cover that is formed with sensor wrap portion 144 48 major components and near the explanatory drawing thereof that expression is seen from the place ahead of cylinder-bore axis A, and Figure 11 (b) is its stereogram.
As Figure 11 (a) and (b), also can form sensor wrap 144 near the corner part the oxygen concentration sensor in the valve mechanism cover 48 50.
The motor 36 that will have the valve mechanism cover 48 that has formed this sensor wrap portion 144 carries under the situation on two-wheeled 10, can protect oxygen concentration sensor 50 to avoid influence from the slungshot on road surface etc. reliably.In addition, oxygen concentration sensor 50 is seen with protuberance 66 from the direction of cylinder-bore axis A and is installed in overlappingly on the protuberance 66.And be positioned near the cylinder head 46.Like this, sensor wrap portion 144 is not too large.
Figure 12 (a) is valve mechanism cover 48 major components and near the explanatory drawing thereof of the formation sensor wrap 144a of portion that sees from cylinder-bore axis A the place ahead of expression, and Figure 12 (b) is its stereogram.
As Figure 12 (a) and (b), also can the independent 144a of sensor wrap portion be installed by fixed components 150 such as for example bolts near the corner part the oxygen concentration sensor in the valve mechanism cover 48 50.The 144a of sensor wrap portion has the anterior 146a of cover in main part 118 the place aheads that cover oxygen concentration sensor 50 and the cover sidepiece 148a of main body covered 118 foreign side's part.
In this case, can obtain and use the same effect of situation of motor 36 with the valve mechanism cover 48 that has formed sensor wrap portion 144.
In addition, fixed component 150 is not defined as bolt, can also use any parts that can fix.In addition, in order to prevent to be installed in the 144a of the sensor wrap portion rotation on the valve mechanism cover 48, for example spline parts (not shown) of overshooting shape can also be set on valve mechanism cover 48.
As oxygen concentration sensor, as shown in Figure 9, even under the situation of using oxygen concentration sensor 50a, also sensor wrap 144,144a can be formed on the valve mechanism cover 48.
In addition, sensor wrap portion 144,144a be preferably in the main part 118 that covers oxygen concentration sensor 50 mode in the place ahead at least, is respectively equipped with anterior 146, the 146a of cover.
Figure 13 is partial cross section's explanatory drawing of the motor 36b of expression another embodiment of the present invention.
With reference to Figure 13, be included in the cylinder head 46a among the motor 36b, its cover attachment face 110 that valve mechanism cover 48 is installed is in the same plane with the sensor attachment face 112a that oxygen concentration sensor 50 is installed.That is to say that cover attachment face 110 and sensor attachment face 112a are formed on mutually with on the one side.Because other formations are identical with motor 36 shown in Figure 7, omitted the explanation to it.
In this case, cover attachment face 110 can form the easier cylinder head 46a that obtains by machining simultaneously with sensor attachment face 112a.
Figure 14 is the explanatory drawing of the motor 36c of another embodiment of the present invention of seeing from the place ahead of cylinder-bore axis A of expression.
Motor 36c shown in Figure 14 replaces having the cylinder head 46 of protuberance 66, uses the cylinder head 46b with protuberance 66a.
When motor 36c was seen in the place ahead of cylinder-bore axis A, protuberance 66a was outstanding downwards from cylinder head 46b, as the opening portion 78a of exhaust passageway 80 downstream towards a left side tiltedly the below form.In addition, be formed on the cylinder head 46b exhaust passageway 80a with from the firing chamber 90 and relief opening 82 mode of extending downwards form.Constitute about other, since same with motor 36 shown in Figure 4, repeat specification omitted to it.
Motor 36c can obtain the effect same with motor 36.
Figure 15 is the explanatory drawing that expression oxygen concentration sensor 50 is mounted obliquely within the major component of the state on the protuberance 66.Figure 16 is the cross-sectional illustration figure of III-III line shown in Figure 15.
As Figure 15 and shown in Figure 16, oxygen concentration sensor 50 its central axis B cylinder-bore axis A relatively are provided with obliquely.Relative therewith, represent with the oxygen concentration sensor 50 usefulness double dot dash lines that the relative cylinder-bore axis A of central axis B is provided with abreast.
As long as see that from the direction of cylinder-bore axis A the main part 118 of oxygen concentration sensor 50 and detection unit 120 are overlapping just passable with the protuberance 66 of cylinder head 46, the angle of inclination of the relative cylinder-bore axis A of central axis B is arbitrarily.In other words, with reference to Figure 16, as long as main part 118 and detection unit 120 are in the not scope from stretching out between line C and the line D, oxygen concentration sensor 50 cylinder-bore axis A relatively is provided with obliquely.Line C is the straight line that is connected on the end of protuberance 66 and is parallel to cylinder-bore axis A, and line D is the straight line that is connected on the other end of protuberance 66 and is parallel to cylinder-bore axis A.
In addition, also passable between main part 118 online C and the line D from cylinder-bore axis A direction, be connected that electric wire 124 (124a) can stretch out on the body 118 between line C and line D
Figure 17 (a) is the side-looking explanatory drawing of V-type twin cylinder engine 36d of expression another embodiment of the present invention, and Figure 17 (b) is the explanatory drawing of the motor 36d that sees from the top.
In motor 36d, oxygen concentration sensor 50 is installed in respectively on the cylinder head 46 of each cylinder.In addition, oxygen concentration sensor 50 only is installed on the cylinder head 46 of single cylinder, control motor 36d also is feasible.
Like this, the present invention is not only applicable to single-cylinder engine, similarly, is applicable to the V-type twin cylinder engine at left and right directions a plurality of cylinders arranged side by side yet.
Figure 18 is the left side view of the two-wheeled 10a of expression a further embodiment form of the present invention.
Two-wheeled 10a is that motor 36e is located at the so-called bending beam type of body framework 152 belows is two-wheeled.
With reference to Figure 18, two-wheeled 10a comprises body framework 152.Body framework 152 is made of head pipe 154, main car frame 156, Carrier for cycle 158.Head pipe 154 is arranged on the vehicle-width direction center of body framework 152 front ends.From the beginning main car frame 156 manages 154 through the tiltedly below extension of vehicle-width direction center back side.Carrier for cycle 158 is managed 156 oblique upper extensions rearward in the past.
The motor 36e of air-cooling type single cylinder is supported in bent axle 166 on the main car frame 156 towards vehicle-width direction ground suspension.Motor 36e is relative, and body framework 152 can not swingingly be fixed.Rearward end at motor 36e can supported postbrachium 168 with swinging up and down, supports to have trailing wheel 170 on the rearward end of postbrachium 168.Above Carrier for cycle 158, be provided with vehicle seat 172.The left and right side square tube of body framework 152, motor 36e is crossed car body cover 174 and is covered.
At the upper surface of cylinder head 46, be connected with air inlet system 178 in the mode that is communicated with inlet air pathway 74.In addition, since same with motor 36 shown in Figure 4, on the protuberance 66 of cylinder head 46, be connected with venting gas appliance 56 in the mode that is communicated with exhaust passageway 80.
Two-wheeled 10a with motor 36e can obtain and two-wheeled 10 same effects.
In addition, the oxygen concentration sensor that tilts of the motor as motor 36a～36d, Figure 11 and the valve mechanism cover that has sensor wrap, Figure 15 and relative cylinder-bore axis A shown in Figure 16 shown in Figure 12 all can be used for two-wheeled 10a.
In above-mentioned form of implementation, there is no particular limitation for the angle that cylinder-bore axis A and vehicle fore-and-aft direction form.Even this angle is zero, also is feasible.That is to say that cylinder-bore axis A can be consistent with the vehicle fore-and-aft direction.In addition, even the present invention also is suitable for for the motor that cylinder-bore axis A is set along vertical or roughly vertical direction.Motor of the present invention can be a water-cooled engine.
Be used for oxygen concentration sensor of the present invention and can be any one of no heater-type or band heater-type.Even under the situation of the oxygen concentration sensor that uses the band hot type, also can suppress the power consumption of oxygen concentration sensor.
The recess that forms along oxygen concentration sensor on the cylinder head outer circumferential face is not limited to curved shape.For example, recess can also be the structure that the outer circumferential face corner part of cylinder head is become V word shape along cylinder-bore axis direction otch.
The position that is formed on the exhaust passageway on the cylinder head can suitably be designed according to the riding vehicle that carries motor.
Protuberance is preferably outstanding at least downwards from the cylinder cap main body.For example, protuberance also can be from the cylinder-bore axis direction, and tiltedly any direction of below, the oblique below in a below or a left side is outstanding to the right from the cylinder cap main body.
In above-mentioned form of implementation, although understand the two-wheeled situation that motor of the present invention is used for scooter type shown in Figure 1 or low bending beam type (horizontal air cylinder type) shown in Figure 180., the present invention is not limited to this.According to motor of the present invention, for example can be used for motor cycle type etc., be not the two-wheeled of horizontal air cylinder type.In addition, according to motor of the present invention, can be used for other any riding vehicles of snow mobile, all-terrain vehicle (ALL-TERRAIN VEHICLE) etc.
If motor of the present invention is used for riding vehicle, even the high position of the effluent air temp on cylinder head is provided with oxygen concentration sensor, also can suppress the size of motor, suppress riding vehicle and become big.
More than, still self-evident although understand the best form of implementation of the present invention, only otherwise depart from the scope of the present invention and spirit, can make various changes.Scope of the present invention only limits by additional claim.
Claims (18)
1. motor, it is single-cylinder engine or V-type twin cylinder engine, it is characterized in that:
Comprise:
Has the cylinder cap main body and from the cylinder head of described cylinder cap main body to the outstanding protuberance of foreign side;
Be formed on the burning recess on the described cylinder cap main body;
Be used for to discharge gas and discharge, the exhaust passageway that forms in the mode that connects described protuberance from described burning recess from described burning recess; With
Be used to detect the oxygen concentration of described discharge gas, have main part and the oxygen concentration sensor that is arranged on the detection unit on the described main part,
Described oxygen concentration sensor and makes at least a portion of described detection unit be positioned at the mode of described exhaust passageway so that described main part and described detection unit are seen with described protuberance overlappingly from the direction of cylinder-bore axis, is installed on the described protuberance.
2. motor as claimed in claim 1 is characterized in that, described oxygen concentration sensor is installed on the described protuberance in the mode of described main body section in the position in described detection unit the place ahead.
3. motor as claimed in claim 1 is characterized in that, described oxygen concentration sensor so that the mode that the center line of described oxygen concentration sensor and described cylinder-bore axis are parallel to each other be installed on the described protuberance.
4. motor as claimed in claim 1 is characterized in that, described protuberance is outstanding at least downwards from described cylinder cap main body.
5. motor as claimed in claim 4 is characterized in that, described protuberance is from described cylinder-bore axis direction, and is outstanding to oblique below from described cylinder cap main body.
6. motor as claimed in claim 5 is characterized in that, described oxygen concentration sensor is configured to from described cylinder-bore axis direction, and direction is not outstanding to the left and right from described cylinder cap main body.
7. motor as claimed in claim 1 is characterized in that, described protuberance has the opening portion that constitutes described exhaust passageway downstream, and the center of described opening portion is not in the position of the left and right directions foreign side of described cylinder cap main body from described cylinder-bore axis direction.
8. motor as claimed in claim 1 is characterized in that, the outer circumferential face of described cylinder cap main body has from described cylinder-bore axis direction sees the recessed recess to the interior side of described cylinder cap main body,
Described protuberance is formed on the described recess.
9. motor as claimed in claim 8 is characterized in that, described recess is recessed upward.
10. motor as claimed in claim 8 is characterized in that, described recess is recessed to the side.
11. motor as claimed in claim 8 is characterized in that, described recess so that the recessed mode in the bight of described cylinder cap main body form.
12. motor as claimed in claim 1 is characterized in that, also comprises: the valve mechanism cover and being used to that is arranged on the place ahead of described cylinder head cover described main part the place ahead at least, be arranged on the sensor wrap portion on the described valve mechanism cover.
13. motor as claimed in claim 1 is characterized in that, also comprises the valve mechanism cover in the place ahead that is arranged on described cylinder head,
Described cylinder head has the cover attachment face that described valve mechanism cover is installed,
Described protuberance has the sensor attachment face that described oxygen concentration sensor is installed,
Described cover attachment face and described sensor attachment face form in parallel to each other.
14. motor as claimed in claim 1 is characterized in that, also comprises the valve mechanism cover in the place ahead that is arranged on described cylinder head,
Described cylinder head has the cover attachment face that described valve mechanism cover is installed,
Described protuberance has the sensor attachment face that described oxygen concentration sensor is installed,
Described cover attachment face and described sensor attachment face are in the same plane.
15. motor as claimed in claim 1 is characterized in that, also comprises: be arranged on described cylinder head the place ahead valve mechanism cover and be connected on the described main part and along the electric wire of described valve mechanism cover configuration.
16. motor as claimed in claim 15 is characterized in that, also comprises the holding part that is used to keep on the described valve mechanism cover of being arranged on of described electric wire.
17. a riding vehicle is characterized in that, possesses each described motor of claim 1 to 16.
18. riding vehicle as claimed in claim 17 is characterized in that, described cylinder-bore axis forwards oblique upper tilts.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009192352 | 2009-08-21 | ||
| JP2009-192352 | 2009-08-21 | ||
| JP2010-173163 | 2010-07-30 | ||
| JP2010173163A JP2011064193A (en) | 2009-08-21 | 2010-07-30 | Engine and saddle type vehicle equipped therewith |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102022217A true CN102022217A (en) | 2011-04-20 |
| CN102022217B CN102022217B (en) | 2015-09-30 |
Family
ID=43296912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010529832.4A Active CN102022217B (en) | 2009-08-21 | 2010-08-20 | Motor and there is the riding vehicle of this motor |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP2295762B1 (en) |
| JP (1) | JP2011064193A (en) |
| CN (1) | CN102022217B (en) |
| BR (1) | BRPI1003105B1 (en) |
| ES (1) | ES2654604T3 (en) |
| MY (1) | MY165720A (en) |
| TW (1) | TWI444535B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133171A (en) * | 2011-11-30 | 2013-06-05 | 雅马哈发动机株式会社 | Saddle riding type vehicle |
| CN103437871A (en) * | 2013-08-20 | 2013-12-11 | 江门市大长江集团有限公司 | Motorcycle exhaust pipe connecting piece and oxygen sensor mounting structure with same |
| CN112351935A (en) * | 2018-08-15 | 2021-02-09 | 本田技研工业株式会社 | Oxygen sensor arrangement structure of motorcycle |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5847597B2 (en) * | 2012-01-18 | 2016-01-27 | 本田技研工業株式会社 | Oil temperature sensor mounting structure for internal combustion engines |
| CN103437874A (en) * | 2013-08-22 | 2013-12-11 | 江门市大长江集团有限公司 | Oxygen sensor installation structure assembly of motorcycle engine |
| JP5864063B2 (en) * | 2013-11-11 | 2016-02-17 | 本田技研工業株式会社 | Motorcycle exhaust gas sensor mounting structure |
| JP6057966B2 (en) * | 2014-09-30 | 2017-01-11 | 本田技研工業株式会社 | Exhaust gas sensor arrangement structure of internal combustion engine |
| JP2018159368A (en) * | 2017-03-24 | 2018-10-11 | 日野自動車株式会社 | Exhaust emission control device |
| US10677137B2 (en) * | 2017-11-21 | 2020-06-09 | Southern Taiwan University Of Science And Technology | Motor engine having an oxygen sensor |
| ES2980998T3 (en) * | 2018-04-12 | 2024-10-04 | Tvs Motor Co Ltd | An engine assembly |
| CN112302824A (en) * | 2019-08-02 | 2021-02-02 | 南台学校财团法人南台科技大学 | Locomotive engine with oxygen concentration sensor |
| JP7016596B2 (en) * | 2020-03-17 | 2022-02-07 | ダイハツ工業株式会社 | Support bracket |
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| JPH08177471A (en) * | 1994-12-28 | 1996-07-09 | Yamaha Motor Co Ltd | Two-cycle engine |
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| JP4909136B2 (en) * | 2007-03-15 | 2012-04-04 | 本田技研工業株式会社 | 4-cycle engine exhaust gas sensor mounting structure |
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- 2010-07-30 JP JP2010173163A patent/JP2011064193A/en active Pending
- 2010-08-11 TW TW099126808A patent/TWI444535B/en active
- 2010-08-16 BR BRPI1003105-7A patent/BRPI1003105B1/en not_active IP Right Cessation
- 2010-08-16 MY MYPI2010003837A patent/MY165720A/en unknown
- 2010-08-20 EP EP10173564.5A patent/EP2295762B1/en active Active
- 2010-08-20 ES ES10173564.5T patent/ES2654604T3/en active Active
- 2010-08-20 CN CN201010529832.4A patent/CN102022217B/en active Active
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| US4831820A (en) * | 1987-12-11 | 1989-05-23 | Outboard Marine Corporation | Engine with exhaust gas sensing |
| US4903648A (en) * | 1989-04-14 | 1990-02-27 | Outboard Marine Corporation | Engine with improved exhaust gas sensing |
| JPH11200913A (en) * | 1998-01-13 | 1999-07-27 | Honda Motor Co Ltd | Arrangement structure for exhaust gas sensor of internal combustion engine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133171A (en) * | 2011-11-30 | 2013-06-05 | 雅马哈发动机株式会社 | Saddle riding type vehicle |
| CN103133171B (en) * | 2011-11-30 | 2017-05-24 | 雅马哈发动机株式会社 | Saddle riding type vehicle |
| CN103437871A (en) * | 2013-08-20 | 2013-12-11 | 江门市大长江集团有限公司 | Motorcycle exhaust pipe connecting piece and oxygen sensor mounting structure with same |
| CN103437871B (en) * | 2013-08-20 | 2016-12-28 | 江门市大长江集团有限公司 | Oxygen sensor installation structure |
| CN112351935A (en) * | 2018-08-15 | 2021-02-09 | 本田技研工业株式会社 | Oxygen sensor arrangement structure of motorcycle |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI444535B (en) | 2014-07-11 |
| BRPI1003105A2 (en) | 2012-04-24 |
| JP2011064193A (en) | 2011-03-31 |
| EP2295762B1 (en) | 2017-10-04 |
| CN102022217B (en) | 2015-09-30 |
| TW201111618A (en) | 2011-04-01 |
| EP2295762A1 (en) | 2011-03-16 |
| BRPI1003105B1 (en) | 2020-06-23 |
| MY165720A (en) | 2018-04-20 |
| ES2654604T3 (en) | 2018-02-14 |
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