CN101021174B - Engine with breather device - Google Patents
Engine with breather device Download PDFInfo
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- CN101021174B CN101021174B CN 200710079161 CN200710079161A CN101021174B CN 101021174 B CN101021174 B CN 101021174B CN 200710079161 CN200710079161 CN 200710079161 CN 200710079161 A CN200710079161 A CN 200710079161A CN 101021174 B CN101021174 B CN 101021174B
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- breathing pipe
- motor
- breather
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- 238000009423 ventilation Methods 0.000 claims abstract description 55
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 99
- 230000021615 conjugation Effects 0.000 claims description 47
- 239000012212 insulator Substances 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 abstract description 12
- 230000008014 freezing Effects 0.000 abstract description 2
- 238000007710 freezing Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000010292 electrical insulation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 2
- 229910002113 barium titanate Inorganic materials 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- Y02T10/146—
-
- Y02T10/166—
Landscapes
- Resistance Heating (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention provides an engine with a breather device, wherein a heater (13) is arranged in a breather pipe (11) connecting a cylinder head cover (10) and an air cleaner (8) in order to inhibit the freezing of water in the breather pipe. The main body of the ventilation pipe (11) is composed of a joint pipe (18) arranged in the middle and partial pipes (22, 23) connected to both ends of the joint pipe (18). The heater (13) is disposed in the center of the junction tube (18), and has a heating element (14) as a heater main body and a heater case (21) housed in a state in which the heating element (14) is sandwiched by electrodes (15). A slit (18a) for inserting the heater (13) is formed in the joint pipe (18). A radiator (20) extending along the vent pipe (11) is joined to the heater case (21). The outer periphery of the ventilation pipe (11) is covered with a heat-insulating outer pipe (24).
Description
Technical field
The present invention relates to a kind of motor, particularly a kind of motor that is suitable for suppressing the band air-breather of moisture freezes in the venting channels with air-breather.
Background technique
In engine generator etc. in the employed small-sized universal engine, for gas leakage is conducting in the gas-entered passageway, and with breathing pipe around the outside to motor.Therefore, in this motor, breathing pipe is exposed among the atmospheric temperature, thereby at the extremely low cold zone of atmospheric temperature, the moisture contained by the gas leakage in the breathing pipe may freeze to stop up breathing pipe.
Countermeasure as this problem, for example in the motor described in the Japanese kokai publication hei 8-151917 communique, carried out following trial: by the high-temperature part in the engine running, be the outer peripheral portion of the coolant exhaust guiding breathing pipe of cylinder and baffler etc., come breathing pipe is heated.In addition, in the real public clear 61-2253 communique of Japan, proposed to heat the gas leakage gatherer of breathing pipe with electric heating apparatus.
Patent documentation 1: Japanese kokai publication hei 8-151917 communique
Patent documentation 2: the real public clear 61-2253 communique of Japan
In patent documentation 1 described device, when engine start, the effect that can't obtain heating owing to cool air is dried on the contrary may be because of cold wind being dried and having promoted freezing of moisture.In addition, in patent documentation 2 described devices, because breathing pipe is quite low with the portion temperature that breathing pipe is connected with motor, if so do not use the big heater of thermal capacity just to can not get heats, and suppose to have used the big heater of thermal capacity, also have the problem that is not easy to guarantee its configuration space.
Summary of the invention
In order to solve above-mentioned problem, the object of the present invention is to provide a kind of motor that is very suitable for effectively heating the band air-breather of gas in the breathing pipe.
In order to achieve the above object, of the present invention will gas leakage imports the motor of band air-breather of the gas-entered passageway of motor via leakage path, have following each feature.
(a) motor of this band air-breather has the ventilation heater, and this ventilation heater is to give prominence to being provided with by the mode in the breathing pipe of part etc. as the outside of motor in above-mentioned leakage path.
(b) above-mentioned ventilation heater is made of heater (for example by from the semiconductive ceramic system heater with self temperature control function of outside seal, be ptc heater) and radiator body, above-mentioned heater is configured in the cross section middle body of above-mentioned breathing pipe, and above-mentioned radiator body extends along the length direction of above-mentioned breathing pipe.
(c) above-mentioned breathing pipe has the wall portion of running through this breathing pipe otch that above-mentioned ventilation heater uses that forms, packs into.
(d) above-mentioned ventilation heater has and accommodates heater housing above-mentioned heater, that have heat transmitting, and an end of above-mentioned radiator body engages with this heater housing.
(e) above-mentioned heater housing has the opening that above-mentioned heater is packed into, is formed with the flange that engages with the inner circumference edge of above-mentioned otch around this opening.
(f) above-mentioned breathing pipe is made of with the separator tube that is connected with the two ends of this conjugation tube respectively conjugation tube, and above-mentioned otch is arranged on the tube wall of above-mentioned conjugation tube.
(g) motor of this band air-breather is provided with the heat insulator of tubular, and this heat insulator covers the above-mentioned otch in the periphery of above-mentioned breathing pipe at least.
According to the present invention, the ventilation heater is protruded in the breathing pipe etc., and with the heater of ventilating to directly heating, so heat is difficult to via breathing pipe to the atmosphere heat release by the gas in the breathing pipe, can heat breathing pipe efficiently, in breathing pipe, freeze thereby prevent to leak gas.In addition,, increase the heat release area because radiator body is extended along the length direction of breathing pipe according to feature (b), thus can prolong radiator body with by heating effectively the time of contact of gas.In addition, structurally,, also can heat desired site by means of radiator body by prolonging radiator body or making the radiator body distortion for the position that can't directly dispose heater.
Especially, because ptc heater has self temperature control function, thus need be from the control of outside, thus simplification that can implementation structure.In addition, the present invention by under sealing state ptc heater directly being exposed in the gas leakage stream, waits the extra heat that consume seldom to get final product thereby heat breathing pipe self with different from the invention of outside heating breathing pipe.And then ptc heater can be protected and not be subjected to the influence of corrosive gas composition, oil component, moisture etc. by comprising in the gas, can prevent the deterioration of ptc heater characteristic, can heat the gas that passes through in the breathing pipe again efficiently.And then, by the sealing ptc heater, can reduce the area of contact of ptc heater and breathing pipe, so the heat that is put in the atmosphere via breathing pipe tails off, can heat efficiently.
In addition,,, tail off, can heat efficiently and pass through gas so be put into outside heat via the wall of breathing pipe from heater because heater is positioned at the central part of this pipe that leaves from the wall of breathing pipe according to feature (b).
In addition, according to feature (c), (d), heater and radiator body are packed into after the heater housing, this assembly is inserted in the breathing pipe from otch, the edge that the heater housing can be fastened on otch supports the heater housing.Because the length direction of ventilation heater and breathing pipe only just contacts in the engagement portion of heater housing with the otch engaging, so tail off to the atmosphere liberated heat via breathing pipe, can heat efficiently.Also have, outside cold period, also can unload the ventilation heater and carry out necessary maintenance.
Have again,,, can connect separator tube, carry out easily so operation is set at the two ends of conjugation tube with the assembly of heater, radiator body and the heater housing conjugation tube of packing in advance according to feature (f).In addition, owing to can be easily unload conjugation tube and ventilation heater,, be the generalization that where can realize motor thereby no matter make land used so be easy to tackle the land used that makes beyond the cold area from breathing pipe.
In addition, according to feature (d), can support radiator body securely by the formed heater housing of the big metal of intensity.Once more, according to feature (g), can further reduce by breathing pipe to the atmosphere liberated heat.
Description of drawings
Fig. 1 is the sectional side view of the breathing pipe of taking in the ventilation heater of an embodiment of the invention.
Fig. 2 is the orthogonal view of the breathing pipe of taking in the ventilation heater of an embodiment of the invention.
Fig. 3 is the stereogram of the band air-breather engine generator of an embodiment of the invention.
Fig. 4 is the exploded view of ventilation heater.
Fig. 5 is the side view that the assembly of the housing of heater and radiator body is taken in expression.
Fig. 6 is the worm's eye view that the assembly of the housing of heater and radiator body is taken in expression.
Fig. 7 is the side view of the assembly of electrode plate and wire harness.
Fig. 8 is the plan view of the assembly of electrode plate and wire harness.
Fig. 9 is the stereogram of the assembling procedure of expression ventilation heater and breathing pipe.
Figure 10 is the sectional side view of the breathing pipe of taking in the ventilation heater of an embodiment of the invention.
Figure 11 is the orthogonal view of the breathing pipe of taking in the ventilation heater of an embodiment of the invention.
Figure 12 is the exploded view of ventilation heater.
Figure 13 is used to illustrate that the Heater group of will ventilating installs to the stereogram of the action on the breathing pipe.
Figure 14 is the sectional side view of the breathing pipe of taking in the ventilation heater of an embodiment of the invention.
Figure 15 is the sectional drawing along the A-A line of Figure 14.
Figure 16 is a sectional side view of taking in the breathing pipe of a plurality of ventilation heaters.
Figure 17 is the sectional drawing along the B-B line of Figure 16.
Figure 18 is the flow chart of self temperature control action of expression ptc heater.
Figure 19 is the sectional drawing of variation of the assembly department of expression air-strainer and breathing pipe.
Figure 20 is the sectional drawing of variation of the assembly department of expression air-strainer and breathing pipe.
Embodiment
Describe an embodiment of the invention with reference to the accompanying drawings in detail.Fig. 3 is the stereogram of the engine generator that motor drove of the band air-breather of an embodiment of the invention.Generator 1 has motor 4 and the generator main body 5 that is incorporated in the bottom, space that is made of base plate 2 and tubular frame 3.Top in motor 4 and generator main body 5 is provided with fuel tank 6, disposes operating panel 7 in the behind of fuel tank 6.With motor 4 disposed adjacent air-strainer 8 and baffler 9 are arranged.Between the valve mechanism cover 10 of motor 4 and air-strainer 8, be provided with the two breathing pipe that couples together 11.This breathing pipe 11 is by the support (chock plate stay) of chock plate assembly (chock assembly) 12, and an end of breathing pipe 11 is inserted in the hole that is formed on the valve mechanism cover 10, and the other end imports in the housing of air-strainer 8 and remains on the inner hook (not shown).
Fig. 4 is the heating unit of breathing pipe 11, i.e. the ventilate exploded view of heater.In the figure, ventilation heater 13 has the heater 14 as heater body; Be configured in the pair of electrodes plate 15,15 of heater 14 both sides; And with electrode plate 15,15 wire connecting, be wire harness (harness) 17,17. Wire harness 17,17 is connected with not shown power supply by joiner 17A.In the present embodiment, having used the semiconductive ceramic that is made of barium titanate is that ptc heater is used as heater 14.
Be suitable for ptc heater as heater 14 and have following such self temperature control action.Figure 18 is the figure of the effect of expression ptc heater.When connecting power supply, electric current flows through (stage S1), heater self-heating (stage S2).Consequently, the resistance of ptc heater increases (stage S3), and electric current reduces (stage S4).When electric current reduced, the temperature of ptc heater descended (stage S5), and resistance reduces (stage S6).Electric current increases when resistance reduces.That is, return stage S1.Like this, repeat these stages, according to temperature one resistance characteristic of this ptc heater that temperature maintenance is certain.By using this ptc heater, thereby need not complicated temperature control function, can simplify heating arrangement with self temperature control action.
Fig. 5 is a side view of taking in the assembly of the housing 21 of heater and radiator body 20, and Fig. 6 is its worm's eye view.Housing 21 is containers of the unlimited roughly cuboid of a face.Be provided with the flange 21A that engages with the edge of the otch 18a of conjugation tube 18 at the edge of open surface.The deep drawing moulding product that heater housing 21 preferably is made of thermal conductivity good metal such as copper, brass, aluminium.Radiator body 20 is on metal doubling that will be equal to heater housing 21 and two sides that two ends are bonded on heater housing 21 respectively and constitute.This joint is preferably undertaken by welding or soldering.Radiator body 20 is not limited to the sheet metal after the doubling, also can as about Figure 11 in the back as described in bar-shaped parts or the parts of wire, but good for heat release, preferably get the bigger shape of surface area.In this case, with the best broad of area that engages cardinal extremity part of heater housing 21, but be preferably can both efficient heat transfer up to end portion shape.
Fig. 7 is the side view of the assembly of electrode plate 15 and wire harness 17, and Fig. 8 is its plan view.Electrode plate 15 is by constituting with the electrode plate main body 151 of the side butt of heater 14 and the joint 152 that is formed on electrode plate main body 151 tops, and joint 152 is connected with wire harness 17.Like this because a pair of joint 152 is adjacent with electrode plate main body 151, so preferably joint 152 is arranged to each other each other the insulating element of mutual electrical insulation with two electrode plate main bodys 151.
Fig. 9 is the ventilation heater 13 in the installation procedure of expression ventilation heater 13 and the stereogram of breathing pipe 11.Breathing pipe 11 constitutes by conjugation tube 18 with the chimeric separator tube 22,23 of path part 18b, the 18c at conjugation tube 18 two ends.Conjugation tube 18 has the adiabaticity of appropriateness, and preferably by the nylon that is difficult to adhere to water droplet formations such as (nylon), separator tube 22,23 is rubber product preferably, is entrenched in the joint of air-strainer 8 and valve mechanism cover 10 being convenient to.
Intermediate portion at conjugation tube 18 is preferably formed the plane face of taking a seat 18d, so that the flange 21A of housing 21 is taken a seat.On this took a seat face 18d, the mode of extending with the length direction along conjugation tube 18 was formed with otch 18a.Utilize otch 18a, the ventilation heater 13 that will comprise radiator body 20 and housing 21 inserts in the conjugation tube 18 along path A from the end side of radiator body 20, and be positioned to the opened upper end portion of housing 21 the edge, be that flange 21A can be seated on the face 18d that takes a seat.Like this, heater 14 is configured in the cross section central part of conjugation tube 18, and radiator body 20 is configured with the state that the length direction along conjugation tube 18 extends.Configuration further narration in the back about heater 14 and radiator body 20.
After being installed in ventilation heater 13 on the conjugation tube 18, separator tube 22,23 is inlaid on the conjugation tube 18.The ventilation heater 13 that assembles like this is connected with the valve mechanism cover 10 of air-strainer 8 and motor respectively with the two ends of the assemblying body of breathing pipe 11.
Fig. 1 is the sectional side view that is incorporated with the breathing pipe of ventilation heater 13, and Fig. 2 is its orthogonal view.Identical or the part that is equal to of the symbolic representation identical among Fig. 1, Fig. 2 with Fig. 4, Fig. 8.In the example of Fig. 1, conjugation tube 18 does not have the face of taking a seat.In Fig. 1, the part of breathing pipe 11 is by constituting as the bottom: the tubular portion that is connected with air-strainer 8 (side separator tube) 23; The tubular portion that is connected with valve mechanism cover 10 (the opposing party's separator tube) 22; And be configured between these two tubular portions 22,23 and connect the two conjugation tube 18.Heater 14 and from heater 14 along conjugation tube 18 axially extended radiator body 20 is incorporated in the conjugation tube 18.Wire harness 17 is drawn out to the outside of conjugation tube 18 from heater 14, and extends on the length direction of conjugation tube 18.At the chimeric tubular portion 23 that is connected with of an end (side that radiator body 20 extends) of conjugation tube 18, at the chimeric tubular portion 22 that is connected with of the other end of conjugation tube 18.The joint that tubular portion 22,23 is connected with the conjugation tube 18 that is incorporated with heater 14, the outer tube 24 that is made of the adiabaticity material covers.Outer tube 24 can not cover whole joint, as long as cover otch 18a at least.
Figure 10 is the sectional side view that comprises the breathing pipe of the conjugation tube with the face of taking a seat that is incorporated with ventilation heater 13, and Figure 11 is its orthogonal view.Identical or the part that is equal to of the symbolic representation identical among Figure 10, Figure 11 with Fig. 1, Fig. 9.In Figure 10, the separator tube 23 of breathing pipe 11 is entrenched on the gas leakage receiving port 8A, and this receiving port 8A is the tubular protuberance that is formed at air-strainer 8.Receiving port 8A forms from the suction tude branch of air-strainer 8.As being appreciated that from Figure 10, ventilation heater 13 is configured to: the flange 21A of housing 21 is bearing on the edge of otch 18a, and ventilation heater 13 is projected into the cross section central part of conjugation tube 18.The radiator body 20 that engages with housing 21 is configured along the length direction of breathing pipe 11, and the front end of radiator body 20 extends to the base end part of gas leakage receiving port 8A.The outer tube 24 that breathing pipe 11 is made of thermoinsulation material covers.Outer tube 24 preferably covers whole breathing pipe 11, but as long as has covered the joint that separator tube 22,23 is connected with the conjugation tube 18 that is incorporated with heater 14 as shown in the figure at least.By this outer tube 24, the top opened portion and the external environment condition of the housing 21 of ventilation heater 13 are isolated, and breathing pipe 11 inside and outside low temperature environment thermal insulation.
According to Fig. 1, Fig. 2 and Figure 10, structure shown in Figure 11, assembling is ventilated heater 13 and is formed assembly in conjugation tube 18 in advance, in other operation, this assembly is connected with separator tube 22,23, so be easy to ventilation heater 13 is arranged on the engine generator.
Figure 12 is promptly the ventilate exploded view of heater of the heating unit of the breathing pipe 11 of the 2nd mode of execution, the identical or part that is equal to of the symbolic representation identical with Fig. 4 among Figure 12.In the figure, ventilation heater 13 has: heater (being preferably the semiconductive ceramic that is made of barium titanate is ptc heater) 14; Be disposed at a pair of electrode plate 15,15 of heater 14 both sides; And with electrode plate 15,15 wire connecting 17 ', 17 '.Electric wire 17 ', 17 ' is connected with not shown power supply.
Using the electrode plate 15,15 be connected with electric wire 17 ', 17 ' to come under the state of side of clamping heater 14, in heater 14 insertion heater housings 21, and the filling molding material engages.On heater housing 21, engage tubular or bar-shaped radiator body 20 are arranged.Heater 14 is isolated with the gas that is flowing in the breathing pipe 11 by heater housing 21.Heater housing 21 is same with heater housing 21 shown in Figure 5, preferably the deep drawing moulding product that are made of thermal conductivity good metal such as copper, brass, aluminium.Wherein, different with structure shown in Figure 5 in this example is not have flange 21A.If heater housing 21 is a fabricated metals, configuration electrical insulation sheet etc. between electrode plate 15,15 and housing 21 then, thus this structure and structure shown in Figure 4 have equally all been carried out insulation processing.
Figure 13 is used to illustrate that the heater 13 of will ventilating is assembled into the stereogram of the action of the breathing pipe 11 that does not use conjugation tube.Breathing pipe 11 have along its length direction extend long otch 22a, with the heater 14 and the radiator body 20 of heater housing 21 moulding integratedly, 22a inserts in the breathing pipe 11 by this otch.By, be fixed in the breathing pipe 11 thereby insert breathing pipe 11 interior ventilation heaters 13 in the interior week that is bonded on otch 22a around the top edge of heater housing 21.The direction of insertion of arrow A 1 expression ventilation heater 13.
Figure 14 is the sectional drawing of the structure of the expression assembly department of having assembled the breathing pipe of ventilation heater and air-strainer, and Figure 15 is the sectional drawing along the A-A line of Figure 14.In these figure, the periphery of breathing pipe 11 is provided with tubular heat insulator 23, and this tubular heat insulator 23 is used to cover the otch 22a that has been inserted with ventilation heater 13, and suppresses from breathing pipe 11 heat release to the outside.As long as heat insulator 23 has the effect that the size that covers otch 22a at least can have the control heat release, if but all cover near the relative broad range of the part that is easy to cool off the air-strainer assembly department, then effect is better.
The Guan Yiduan 110 of breathing pipe 11 is expanded into can match with the outer surface of the receiving port 81 that forms as the part of air-strainer 8, and this Guan Yiduan 110 is chimeric mutually with the outer surface of receiving port 81.And as shown in the figure, the radiator body 20 from heater 14 extensions of ventilation heater 13 is positioned at the center of the receiving port 81 that is provided with from suction tude branch of air-strainer 8.
For simple and convenient assembly, the breathing pipe 11 of the 2nd mode of execution also can be similarly divergence type shown in Figure 1.
Figure 19 is an expression breathing pipe 11 and the sectional drawing of the variation of the assembly department of air-strainer 8.According to the layout of air-strainer 8 be located at the position and the direction of the suction tude 82 on the air-strainer 8, ventilation heater 13 can't be installed in sometimes receiving port 81 near.The structure of Figure 13 is an application examples in this case.In this embodiment, near the Guan Yiduan 110 that is connected with receiving port 81 crooked 90 degree and arrive at the layout of valve mechanism cover receiving port 81 have been adopted.Therefore, from air-strainer 8 sides, ventilation heater 13 is positioned at the front end of the curved part 11Y of breathing pipe 11.Because this arranges, mode crooked with radiator body 20 and that extend to suction tude 82 size of radiator body 20 that extends along curved part 11Y, thus can be heated to receiving port 81.
Figure 20 is the sectional drawing of the variation of another assembly department of representing breathing pipe 11 and air-strainer 8.According to the layout of air-strainer 8, can't on the front end extending direction of gas leakage receiving port 8A, linearly dispose conjugation tube 18 sometimes.So, in this variation, conjugation tube 18 is formed curved ancon, promptly become bend pipe.
The otch 18a that ventilation heater 13 forms from the horizontal component 18H at the conjugation tube 18 of bending ancon inserts inboard.Because radiator body 20 can extend to gas leakage receiving port 8A from the vertical component 18V of conjugation tube 18, so radiator body 20 is with length direction quadrature one side of housing 21, promptly engage with the bottom surface quadrature of housing 21.The vertical component 18V of breathing pipe 11 and gas leakage receiving port 8A couple together with separator tube 23, and the horizontal component 18H of conjugation tube 18 is connected with separator tube 22.
Like this, by shape and size and the bearing of trend of suitable selection from the radiator body 20 of ventilation heater 13 extensions, thereby even the heater 14 of ventilation heater 13 can not be arranged on the heating target position of expectation, also can heat by the 20 pairs of random positions of radiator body that extend along breathing pipe 11.
The invention is not restricted to above-mentioned mode of execution, as long as ventilate heater configuration in to the major general as the outside of motor breathing pipe by part.
For example, be provided with radiator body 20 in order to increase the heat release area, but the invention is not restricted to this, also can comprise the motor of having used the ventilation heater that does not have radiator body 20.
Claims (13)
1. motor with air-breather, the motor of this band air-breather will leak gas via the gas-entered passageway of leakage path importing motor, it is characterized in that,
The motor of this band air-breather has the ventilation heater, and the outside as motor that this ventilation heater is arranged in the above-mentioned leakage path is passed through in the breathing pipe of part,
Above-mentioned breathing pipe has the wall portion of running through this breathing pipe otch that above-mentioned ventilation heater uses that forms, packs into,
The radiator body that the heat that above-mentioned ventilation heater has heater and this heater is produced spreads, this ventilation heater also has accommodates heater housing above-mentioned heater, that have heat transmitting,
One end of above-mentioned radiator body engages with this heater housing, and is provided with the heat insulator of tubular in the periphery of above-mentioned breathing pipe, and this heat insulator covers above-mentioned otch at least.
2. the motor of band air-breather according to claim 1 is characterized in that,
Above-mentioned heater is configured in the cross section middle body of above-mentioned breathing pipe, and above-mentioned radiator body is along the length direction extension of above-mentioned breathing pipe.
3. the motor of band air-breather according to claim 1 is characterized in that,
Above-mentioned heater housing has the opening that above-mentioned heater is packed into, is formed with flange around this opening, and the inner circumference edge of the otch that this flange forms with the wall portion of running through above-mentioned breathing pipe engages.
4. the motor of band air-breather according to claim 1 is characterized in that,
Above-mentioned breathing pipe is made of with the separator tube that is connected with the two ends of this conjugation tube respectively conjugation tube,
Above-mentioned otch is arranged on the tube wall of above-mentioned conjugation tube.
5. according to the motor of any described band air-breather in the claim 1,2,3 and 4, it is characterized in that,
Above-mentioned heater is the semiconductive ceramic system heater with self temperature control function.
6. the motor of band air-breather according to claim 5 is characterized in that,
Above-mentioned semiconductive ceramic system heater with self temperature control function is sealed from the outside.
7. the motor of band air-breather according to claim 1 is characterized in that, in the outstanding breathing pipe of outside by part as motor that is arranged in the above-mentioned leakage path of described ventilation heater.
8. the motor of band air-breather according to claim 7 is characterized in that,
Above-mentioned heater is configured in the cross section middle body of above-mentioned breathing pipe, and above-mentioned radiator body is along the length direction extension of above-mentioned breathing pipe.
9. the motor of band air-breather according to claim 7 is characterized in that,
Above-mentioned heater housing has the opening that above-mentioned heater is packed into, is formed with flange around this opening, and the inner circumference edge of the otch that this flange forms with the wall portion of running through above-mentioned breathing pipe engages.
10. the motor of band air-breather according to claim 7 is characterized in that,
Above-mentioned breathing pipe is made of with the separator tube that is connected with the two ends of this conjugation tube respectively conjugation tube,
Above-mentioned otch is arranged on the tube wall of above-mentioned conjugation tube.
11. according to Claim 8, the motor of any described band air-breather in 9 and 10, it is characterized in that,
Above-mentioned heater is the semiconductive ceramic system heater with self temperature control function.
12. the motor of band air-breather according to claim 11 is characterized in that,
Above-mentioned semiconductive ceramic system heater with self temperature control function is sealed from the outside.
13. according to Claim 8, the motor of any described band air-breather in 9 and 10, it is characterized in that,
The motor of this band air-breather is provided with the heat insulator of tubular, and this heat insulator covers the above-mentioned otch in the periphery of above-mentioned breathing pipe at least.
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006-037087 | 2006-02-14 | ||
| JP2006037087 | 2006-02-14 | ||
| JP2006037088A JP4683484B2 (en) | 2006-02-14 | 2006-02-14 | Engine with breather device |
| JP2006037087A JP4683483B2 (en) | 2006-02-14 | 2006-02-14 | Engine with breather device |
| JP2006037088 | 2006-02-14 | ||
| JP2006-037088 | 2006-02-14 | ||
| JP2006045184A JP4683487B2 (en) | 2006-02-22 | 2006-02-22 | Engine with breather device |
| JP2006-045184 | 2006-02-22 | ||
| JP2006045184 | 2006-02-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101021174A CN101021174A (en) | 2007-08-22 |
| CN101021174B true CN101021174B (en) | 2010-09-08 |
Family
ID=38495688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710079161 Expired - Fee Related CN101021174B (en) | 2006-02-14 | 2007-02-14 | Engine with breather device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4683483B2 (en) |
| CN (1) | CN101021174B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8127749B2 (en) * | 2008-02-26 | 2012-03-06 | Volvo Lastvagvar AB | Crank case ventilation |
| JP2014020279A (en) * | 2012-07-18 | 2014-02-03 | Nippon Sharyo Seizo Kaisha Ltd | Blow-by gas recirculation device |
| CN102889155A (en) * | 2012-10-26 | 2013-01-23 | 中国电子科技集团公司第十三研究所 | Air heater for crank case forced ventilation pipe and processing method of air heater |
| EP3196067B1 (en) * | 2016-01-19 | 2019-04-24 | Kubota Corporation | Fluid heating device of engine |
| DE102017121183A1 (en) * | 2017-09-13 | 2019-03-14 | Woco Industrietechnik Gmbh | Heating device and method for producing a heating device |
| CN109026373B (en) * | 2018-08-31 | 2019-12-31 | 江苏优凯动力科技有限公司 | Diesel generator convenient to low temperature starts |
| CN109973153B (en) * | 2019-04-24 | 2021-06-22 | 浙江麦知网络科技有限公司 | Compression ratio control device of a steam engine |
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| EP1375997A1 (en) * | 2002-06-27 | 2004-01-02 | David & Baader DBK Spezialfabrik elektrischer Apparate und Heizwiderstände GmbH | Heating device for a pipe and method of production |
| EP1433994A1 (en) * | 2002-06-27 | 2004-06-30 | David & Baader DBK Spezialfabrik elektrischer Apparate und Heizwiderstände GmbH | Heating device for blowby gas duct and method of production |
| EP1515010A1 (en) * | 2003-09-10 | 2005-03-16 | David & Baader DBK Spezialfabrik elektrischer Apparate und Heizwiderstände GmbH | Electric heating element for an engine breather system, fluid duct and method of construction |
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| JPS5816308U (en) * | 1981-07-23 | 1983-02-01 | マツダ株式会社 | Engine blow-by gas introduction device |
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| JPS58154809U (en) * | 1982-04-08 | 1983-10-17 | マツダ株式会社 | Engine blow-by gas passage heating device |
| JPS6036511U (en) * | 1983-08-22 | 1985-03-13 | スズキ株式会社 | Blow-by gas reduction device |
| JPH08151917A (en) * | 1994-11-29 | 1996-06-11 | Kubota Corp | Engine with breather |
| JP2696500B2 (en) * | 1995-03-31 | 1998-01-14 | ヤマハ発動機株式会社 | Engine oil separation device for blow-by gas |
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| JP2005220808A (en) * | 2004-02-05 | 2005-08-18 | Toyota Industries Corp | Blowby-gas treatment device in internal combustion engine for air conditioner |
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| US6044829A (en) * | 1995-07-13 | 2000-04-04 | Filterwerk Mann & Hummel Gmbh | Heating arrangement |
| EP1375997A1 (en) * | 2002-06-27 | 2004-01-02 | David & Baader DBK Spezialfabrik elektrischer Apparate und Heizwiderstände GmbH | Heating device for a pipe and method of production |
| EP1433994A1 (en) * | 2002-06-27 | 2004-06-30 | David & Baader DBK Spezialfabrik elektrischer Apparate und Heizwiderstände GmbH | Heating device for blowby gas duct and method of production |
| EP1515010A1 (en) * | 2003-09-10 | 2005-03-16 | David & Baader DBK Spezialfabrik elektrischer Apparate und Heizwiderstände GmbH | Electric heating element for an engine breather system, fluid duct and method of construction |
| CN1603585A (en) * | 2003-10-03 | 2005-04-06 | 本田技研工业株式会社 | Blowby control system and method for an internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101021174A (en) | 2007-08-22 |
| JP2007218120A (en) | 2007-08-30 |
| JP4683483B2 (en) | 2011-05-18 |
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