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CN101314390B - Exhaust system of motorcycle - Google Patents

Exhaust system of motorcycle Download PDF

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Publication number
CN101314390B
CN101314390B CN2008100987094A CN200810098709A CN101314390B CN 101314390 B CN101314390 B CN 101314390B CN 2008100987094 A CN2008100987094 A CN 2008100987094A CN 200810098709 A CN200810098709 A CN 200810098709A CN 101314390 B CN101314390 B CN 101314390B
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CN
China
Prior art keywords
exhaust gas
silencer
motorcycle
gas catalyzer
stay
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2008100987094A
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Chinese (zh)
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CN101314390A (en
Inventor
井之川浩志
中西孝文
山口正昭
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Honda Motor Co Ltd
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Honda Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2007151621A external-priority patent/JP4911612B2/en
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Publication of CN101314390A publication Critical patent/CN101314390A/en
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Publication of CN101314390B publication Critical patent/CN101314390B/en
Expired - Fee Related legal-status Critical Current
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Exhaust Silencers (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

This invention provides a motorbike exhaust system. An exhaust pipe is connected to an exhaust opening of engine. The longitudinal direction of an exhaust gas catalyst roughly extends the vehicle direction of the motorbike. The longitudinal direction of the muffler extends the forward and backward directions of the motorbike. The front end of the muffle extends to the front side of the motor bike and is overlapped with the exhaust gas catalysis so that the exhaust gas catalysis is covered by the muffle. The motorbike body is the framework structure, including: a head tube; a main framework having roughly quadrate cross section and extending downwards fro the head tube to the rear part; a rear framework connecting to the rear side of the main framework and extending to the right upper side and left upper side of the rear part; a rear framework placed at the lower side of the rear framework of the upper side and extending to the right lower side and left lower side of the lower side; an opening side of a plate assembly with U-shaped cross section is connected to surfaces of two sides of the rear end part of the main framework; and surfaces at two sides of the sealed end side of the plate assembly is connected to the rear framework of the lower side.

Description

Exhaust system for motorcycle
Technical field
The present invention relates to dispose the exhaust system for motorcycle of exhaust gas catalyzer.In addition, the present invention relates to the car body frame structure for motor bike, it comprises main frame and a pair of upper left side and upper right side rear frame and Ce He lower right side, a pair of lower-left rear frame that extend upwardly to rear portion from main frame.
The application proposes the priority request for the Japanese patent application No.2007-147202 of the Japanese patent application No.2007-151621 of application on June 7th, 2007 and application on June 1st, 2007, is incorporated to its full content according to the scope of authority here.
Background technology
Exhaust system for motorcycle is known by the people, wherein, dispose exhaust gas catalyzer and be connected to waste pipe at centre portion and extend to rear side, then bend forward is approximately 180 °, in front side further backward crooked 180 °, then in the location that approaches silencer, by feasible path, be connected to silencer.Such exhaust system for motorcycle is open in Japanese Patent No.3844159.The exhaust system for motorcycle of describing in Japanese Patent No.3844159 keeps the length of freeing pipe to realize the inertia effect of exhaust by feasible path with the zone approaching silencer, thereby and has avoided vehicle width and increase highly by the rear side that exhaust system is arranged in to combustion engine.In addition, the exhaust conversion performance is by making Exhaust Gas inflow exhaust gas Catalyst and keeping higher exhaust temperature to be improved.
In the exhaust system for motorcycle of describing in Japanese Patent No.3844159, thereby silencer is arranged to improve outward appearance at the side of waste gas exhaust gas catalyzer in lateral plan, with silencer, to hide exhaust gas catalyzer.In this example, because the major axis of silencer and the major axis of exhaust gas catalyzer are arranged in parallel, it is longer that freeing pipe becomes, and increased productive costs.In addition, the degree of freedom of exhaust system layout also is restricted.The some problems that cause are thus also solved.
Disclose the car body frame structure for motor bike in Japanese Patent No.3548173, wherein, main frame comprises: from head tube (head pipe), extend downward the square cross-sectional plane of being roughly of rear portion; Join the side at rear portion of main frame to can support a pair of right side and the left side pivot plate (pivot plate) that trailing wheel is carried out to the back vent of axle journal supporting with freely swinging; Join a pair of upper right side and the upper left side rear frame of rear portion to extend upwardly to rear portion of main frame to; With the bottom that is arranged in the upside rear frame and join the rear end part of main frame to and the backboard of pivot plate extend upwardly to a pair of lower right side and the lower-left body side frame at rear portion.
The body shell for motor bike of describing in Japanese Patent No.3548173, because being engaged to, a pair of upper right side and upper left side rear frame and a pair of lower right side and rear flank, lower-left framework there is the high rigidity main frame that is roughly square cross section, main frame must extend up to rear side and have high density, thereby has improved to a certain extent cost.Make thus and must further improve the yield rate of main frame.And, in order to reduce cost, the back seat treadle being attached to the example of downside rear frame, the diameter of pipe must increase to improve the intensity of downside rear frame.And, when driving engine adopts compact design when reducing the driving engine width, the spacing of pivot plate also must narrow down accordingly.In any example, because the interval of a pair of lower right side and rear flank, lower-left framework narrows down, the width of the rear end part of the main frame that is incorporated into the downside rear frame waiting must be processed and narrow by punching press, so that the downside rear frame joins main frame to, thereby likely causes that productive costs increases.
Summary of the invention
Proposition of the present invention is in order to address these problems, therefore thereby the purpose of embodiments of the invention is to provide by the side-looking direction, with silencer, hiding the exhaust system for motorcycle that exhaust gas catalyzer can improve the outward appearance of motor bike and can reduce productive costs by the length that minimizes freeing pipe
In order to realize the purpose of embodiments of the invention, the exhaust system for motorcycle configured comprises: the freeing pipe that is connected to engine exhaust port; Be configured in the path of waste pipe to hold the exhaust gas catalyzer of the catalyst for transforming Exhaust Gas; Silencer with the downstream end that is connected to freeing pipe.The characteristics of exhaust system for motorcycle are that exhaust gas catalyzer is arranged to longitudinal direction roughly along the overall width direction of motor bike, silencer is arranged to longitudinal direction roughly along the forward and backward directions of motor bike, and extend forward in motor bike the front portion of silencer, and when observing from the side and exhaust gas catalyzer overlapping.
According to embodiments of the invention, silencer disposes the first stay that roughly is arranged on the longitudinal direction middle part and fore the second stay is set.The first stay is installed to back seat treadle load-carrying element, and the second stay is installed to pivot can support back vent with freely swinging.
According to embodiments of the invention, in lateral plan, main support almost forms U-shaped, and is arranged to the downside at the waste gas exhaust gas catalyzer when main support is packed up.
According to embodiments of the invention, silencer has the oval cross section of vertical elongation on the vertical direction of the longitudinal direction with respect to silencer.
According to embodiments of the invention, freeing pipe is connected to the exhausr port of driving engine, and exhaust gas catalyzer is arranged to longitudinal direction roughly along the overall width direction of motor bike, and silencer is arranged to longitudinal direction roughly along the forward and backward directions of motor bike.Therefore, due to front portion extension overlapping with exhaust gas catalyzer in lateral plan forward in motor bike of silencer, silencer can hide exhaust gas catalyzer in side, and the outward appearance of motor bike can be modified thus.In addition, because the length of freeing pipe can be minimized, the productive costs of exhaust system can be lowered.
According to embodiments of the invention, silencer disposes the first stay that roughly is arranged on the longitudinal direction middle part and fore the second stay is set.Be installed to and support the pivot that back vent freely swings because the first stay is installed to back seat treadle load-carrying element and the second stay.Silencer be take the vibration that the first stay is fulcrum and can be suppressed by the second stay on swaying direction.And, because the second stay is installed to pivot, to the number for the member that silencer is relevant is installed, can be reduced, make thus productive costs be minimized.And, when the second stay is elongated, but the assembleability of exhaust system can be improved, this is because the second stay can absorb to install the production tolerance of the member of silencer.
According to embodiments of the invention, in lateral plan, main support almost forms arc.Due to when main support is packed up, it is arranged to the downside at the waste gas exhaust gas catalyzer, and exhaust gas catalyzer can be protected in order to avoid be subject to the damage such as the small grit of upspringing when Vehicle Driving Cycle.
According to embodiments of the invention, because silencer forms the oval cross section with vertical elongation on the vertical direction of the longitudinal direction with respect to silencer, silencer can easily hide exhaust gas catalyzer in lateral plan.And, because silencer length can be shortened when maintaining large capacity, silencer can be formed compactly.
The problem proposed above being conceived to, the purpose of embodiments of the invention be to provide to optimize the rigidity balance of body shell the motorcycle body framework, reduce production costs, and improve the degree of freedom of design.
Realizing embodiments of the invention, comprising for the car body frame structure of motor bike: in order to support rotationally the head tube of front-wheel being carried out to the front fork of axle journal supporting; There is the main frame that is roughly square cross-sectional plane and extends to rear portion downwards from head tube; Pair of engaging to the side at the rear portion of main frame can support right side and the left side pivot plate that trailing wheel is carried out to the back vent of axle journal supporting with freely swinging; A pair of upper right side and the upper left side framework that is engaged to the rear side of main frame and extends up to rear portion; With a pair of lower right side and rear flank, the lower-left framework that is arranged in the downside of upside rear frame and extends up to rear portion, wherein provide the board member with the cross-sectional plane that is roughly U-shaped.The open side of board member is engaged to two side surfaces of the rear end part of main frame, and is engaged to the downside rear frame at two side surfaces of the closed end of board member.
According to embodiments of the invention, board member narrows down along the overall width direction in the part near being arranged in the motor bike rear side.
According to embodiments of the invention, the narrowed width of the part of board member also forms curved surface.
According to embodiments of the invention, for the backboard that couples a pair of right side and left side pivot plate along the overall width direction, be configured, the front end of a pair of lower right side and rear flank, lower-left framework is engaged to backboard, and the inner width in bonding part of a pair of lower right side and rear flank, lower-left framework is narrower than the width of main frame.
According to embodiments of the invention, the element that only has requirement to have high rigidity can be used to form has the main frame that is roughly square cross section, and do not require that the element with high rigidity same with main frame can be used to form and has the board member that is roughly square cross section, because have the both side surface that the open side of the board member that is roughly square cross-sectional plane is engaged to the rear end part of main frame, and the distolateral both side surface of the sealing of board member is engaged to the downside rear frame.Therefore, the rigidity balance of body shell can be optimised, but also can improve output by shortening main frame.Make thus productive costs be lowered.
According to embodiments of the invention, because the part of the board member of narrowed width is formed curved surface, if the downside rear frame consists of pipe, board member and downside rear frame can adopt soldering or similar technique easily and safely to be engaged.And, because board member is to process with the sheet material punch die, it can easily be processed into curved surface by Sheet Metal Forming Technology.
According to embodiments of the invention, a pair of right side and left side pivot plate couple backboard along the overall width direction, a pair of lower right side and lower right side rear frame are engaged to backboard, and the inner width in bonding part of a pair of lower right side and rear flank, lower-left framework is narrower than the width of main frame.Therefore, a pair of lower right side and rear flank, the lower-left framework that have a spacing narrower than the width of main frame can be joined to main frame by pivot plate and backboard reliably.Therefore, the rigidity of the rear end part of main frame can be guaranteed, and the rigidity that approaches the zone of pivot plate also can be improved.In addition, due to a pair of lower right side and rear flank, lower-left framework, can freely be arranged, the degree of freedom of design also can be enhanced.
Other field of application of the present invention will become apparent according to the detailed description provided hereinafter.But, although should be understood that the detailed description and the instantiation that provide are labeled as the preferred embodiments of the present invention, be only for illustrative purposes, those skilled in the art will understand variations and modifications within the spirit and scope of the present invention according to describing in detail.
The accompanying drawing explanation
Can be more complete according to the detailed description and the accompanying drawings given below understand the present invention, accompanying drawing, for explanation, is not only for restriction of the present invention, wherein:
Fig. 1 is the lateral plan that has used the motor bike of exhaust system for motorcycle of the present invention;
Fig. 2 is the plan view of the main portion of motor bike as shown in Figure 1;
Fig. 3 explains the enlarged side view of the main portion of exhaust system as shown in Figure 1;
Fig. 4 is the transparent view of main portion of explaining the installing condition of exhaust system;
Fig. 5 is the part sectional view of exhaust system as shown in Figure 2;
Fig. 6 is exhaust system left view as shown in Figure 5;
Fig. 7 is the part sectional view of silencer as shown in Figure 6;
Fig. 8 is the vertical cross-section of silencer as shown in Figure 6;
Fig. 9 (a) is the viewgraph of cross-section of silencer as shown in Figure 8 to 9 (d);
Fig. 9 (a) is the viewgraph of cross-section along arrow A-A;
Fig. 9 (b) is the viewgraph of cross-section along arrow B-B;
Fig. 9 (c) is the viewgraph of cross-section along arrow C-C;
Fig. 9 (d) is the viewgraph of cross-section along arrow D-D;
Figure 10 is the transparent view of main support;
Figure 11 is the enlarged cross-sectional view of main portion of explaining the modification example of silencer;
Figure 12 is the lateral plan adopted for the motor bike of the car body frame structure of the motor bike of the second embodiment of the present invention;
Figure 13 is the lateral plan of body shell as shown in Figure 12;
Figure 14 is the plan view of body shell as shown in Figure 13;
Figure 15 is the back view of body shell as shown in Figure 13;
Figure 16 is the enlarged perspective of the main portion of body shell;
Figure 17 is the view along the arrow A of Figure 13;
Figure 18 is the front elevation of storage tank as shown in Figure 12;
Figure 19 is the lateral plan of storage tank as shown in Figure 18;
Figure 20 is the plan view of storage tank as shown in Figure 18;
Figure 21 is the back view of storage tank as shown in Figure 18; With
Figure 22 is the enlarged perspective for the main portion of the second embodiment of the body shell of motor bike of the present invention in order to explanation.
The specific embodiment
Explain in detail below with reference to the accompanying drawings the embodiment of exhaust system for motorcycle of the present invention.Accompanying drawing should be observed according to the arrow of reference character.In explanation hereinafter, forward and backward, direction of observation right and left and that the upper and lower direction is the cyclist.Front side is labeled as Fr, and rear side is labeled as Rr, and left side is labeled as L, and right side is labeled as R, and upside is labeled as U, and downside is labeled as D.
As shown in Figures 1 and 2, the motor bike 10 of the present embodiment disposes body shell 11.Body shell 11 disposes the head tube 13 that supports rotationally front fork 12, the main frame 14 that extends downward rear portion from head tube 13, a pair of right side and left side pivot plate 15 are engaged with the rear portion of main frame 14 and to downward-extension, a pair of upper right side and upper left side rear frame 16 are engaged to the rear portion of main frame 14 and extend upwardly to rear portion, and a pair of lower right side and rear flank, lower-left framework 17 are arranged at the downside of top rear frame 16 and extend upwardly to rear portion.Each member 5 of body shell 11 engages by soldering or similar technique.
The end portion of front fork carries out the axle journal supporting to front-wheel WF, and handlebar 18 is installed to the upper part of front fork 12.And the font lower shroud 19 that hides the top of front-wheel WF is installed to front fork 12.
The pivot tube 30 of passing a pair of right side and 15 installations of left side pivot plate along the overall width direction is fixed to described a pair of right side and left side pivot plate 15.By the pivot 31 inserted through pivot tube 30, pivot tube 30 can support the fore-end that trailing wheel WR is carried out to the back vent 20 of axle journal supporting with freely swinging.And rear shock absorber (shock) 21 is arranged between the rear end of the upside rear frame 16 of body shell 11 and back vent 20.
Arranging the power unit P formed by driving engine E and change-speed box M one at the downside of main frame 14, and this power unit P is by boatswain chair 22 and pivot plate 15 supports at the middle part that is arranged on main frame 14.
Be arranged in admission port 23a on the upper side wall of cylinder head (cylinder head) 23 of driving engine E and couple for adjustment and provide to the throttle valve body 24 of the flow rate of the gas mixture of driving engine E, and the upstream extremity of throttle valve body 24 connects for purifying the airfilter 25 of air inlet.And the exhausr port 23b be arranged on the lower wall of cylinder head 23 couples exhaust system 60.
On the top of trailing wheel WR, fuel tank 26 is installed, and also is arranged to the front area at fuel tank 26 for holding the small size article such as the storage tank of the helmet.And in the present embodiment, the top of fuel tank 26 and storage tank 27 are hidden by tandem vehicle seat 28.Vehicle seat 28 is configured to open and close refuel in fuel tank 26 and the small size article are put into to storage tank 27.
In Fig. 1, side cover 41; Protective boards for legs 42; Protecgulum 43; Inner cap 44; Rear side cover 45; Rear inner fender 46; Rear mudguard 47; Grab rail 48; Taillight 49; Oil pump cover 50; Brake pedal 51; Main treadle 52; Main support 53; Side stand 54; Back seat treadle load-carrying element 55; Back seat treadle 56; With chain lid 57, be provided.
As shown in Figure 2, exhaust system 60 dispose the exhausr port 23b that is connected to cylinder head 23 freeing pipe 61, be arranged on the exhaust Catalyst 62 in the path of freeing pipe 61 and be connected to the silencer 63 of the end portion of freeing pipe 61.
To as shown in Fig. 6, holding the catalyst 64 formed by the noble metal in order to purifying exhaust gas as Fig. 4 in waste gas exhaust gas catalyzer 62.And, there is the installation stay (mounting stay) 65 that is roughly L shaped cross-sectional plane and be fixed to the outer surface of exhaust gas catalyzer 62.The inside face that left side that stay 65 is coupled in the overall width direction by screw thread is installed to pivot plate 15 is installed.In the present embodiment, exhaust gas catalyzer 62 is arranged to longitudinal direction roughly along the overall width direction of motor bike 10.
And as shown in Figure 5, in the present embodiment, catalyst 64 space in waste gas exhaust gas catalyzer 62 is arranged, and be connected to freeing pipe 61 comparing the farther downstream of exhaust gas catalyzer 62.Catalyst 64 also can be connected to freeing pipe 61 comparing the farther upstream side of exhaust gas catalyzer 62.
As Fig. 7 to as shown in Fig. 9, silencer 63 is provided with out cylinder member 66, be arranged in out cylinder member 66 forming double-deck inner cylinder member 67, be installed to the fore-end of out cylinder member 66 front cap (front elements) 68, be installed to the rear end part of out cylinder member 66 end cap 69, install the outer surface to hide out cylinder member 66 silencer lid 70, be provided at predetermined intervals in the first dividing plate 71 and the second partition 72 of the inner circumferential surface of inner cylinder member 67.The inside of silencer 63 is divided into three chambers by the first and second dividing plates 71,72, comprising: the first expansion chamber 81 that is positioned at front side; Be positioned at the second expansion chamber 82 of rear side; And the 3rd expansion chamber 83 between the first expansion chamber 81 and the second expansion chamber 82.
In addition, silencer 63 is provided with freeing pipe 73, a pair of communicating pipe 74 that is communicated with the first and second expansion chambers 81 and 82, a pair of communicating pipe 75 that is communicated with the second and the 3rd expansion chamber 82 and 83 be communicated with exhaust gas catalyst 62, the tail pipe 76 that is communicated with the 3rd expansion chamber and the outside.Freeing pipe 73 is supported by the stay bearing plate 77 of the inner circumferential surface of the first expansion chamber 81 that is arranged on inner cylinder member 67.
And, freeing pipe 73 have the downstream end that is connected to freeing pipe 61 the first pipe 84, be connected to the downstream end of the first pipe 84 and have a plurality of through hole 85a that are formed in outer surface the second pipe 85, be fixed in the second pipe 85 outer surface bulged tube 86 and be connected to the downstream end of the second pipe 85 and there is the tail pipe 87 that is formed into a plurality of through hole 87a in outer surface.In this freeing pipe 73, the Exhaust Gas of directed inflow the first pipe 84 is by first pipe 84 guiding the second pipes 85, through the second pipe through hole 85a of 85, in bulged tube 86, expand for the first time, thereafter from the through hole 87a of tail pipe 87 and stomidium enter the first expansion chamber 81.Now, because the vertical direction of Exhaust Gas along the longitudinal direction with respect to tail pipe 87 flows into from the through hole 87a of tail pipe 87, heat energy and the noise energy of Exhaust Gas are lowered.
In addition, as shown in Figures 2 and 3, in the present embodiment, silencer 63 is arranged to longitudinal direction roughly along the forward and backward directions of motor bike 10.In addition, as the front cap 68 of the front elements of silencer 63, to the front portion of motor bike 10, extend, and in lateral plan, front cap 68 and exhaust gas catalyzer overlapping 62.Therefore, because exhaust gas catalyzer 62 is hidden by silencer 63 in the right side view of motor bike 10, the outward appearance of motor bike 10 can be improved.
In the present embodiment, as shown in Figure 3, silencer 63 has the second stay 79 extended forward from the peripheral part of upwardly extending the first stay 78 of the vertical approximate centre of silencer 63 and the past cap 68.The first stay 78 couples the end portion that is installed on back seat treadle load-carrying element 55 by screw thread.The second stay 79 couples the right end portion that is installed on pivot 31 by screw thread.As shown in Figure 2, the freeing pipe 61 extended back from exhausr port 23b is bent towards the left side of vehicle, and is after this bent towards the right side of vehicle.Thereby, as the silencer 63 of heavy element, be arranged to the right side at vehicle.But, if silencer 63 only has the first stay 78, the silencer 63 that is arranged in the right side of vehicle can be along waving for the swing of fulcrum (yawing) direction around the first stay 78, and this is because its weight has relatively long length greatly and at its longitudinal direction.But in the present embodiment, because silencer 63 has the first and second staies 78,79, silencer 63 may can be prevented from the vibration of swaying direction as explained above.In addition, because the second stay 79 is directly mounted to pivot 31, need to can be reduced in order to the part count that silencer is installed, thereby and productive costs also can be lowered.
And, because the second stay 79 forms relatively long length, it also can be in the enterprising line bend of thickness of slab direction.Therefore, when silencer 63 is set up, need to can be absorbed by the second stay 79 in order to the production tolerance of parts that silencer is installed, thereby but improve the assembleability of exhaust system 60.
And, in the present embodiment, as shown in Fig. 8 and Fig. 9, due to out cylinder member 66 and inner cylinder member 67, for to have the cylindrical component of the oval cross section of vertical elongation on the vertical direction with respect to longitudinal direction at it, so the silencer 63 of the present embodiment forms the shape that has the oval cross section of vertical elongation at it on the vertical direction with respect to the longitudinal direction of silencer 63.
In the exhaust system 60 formed as mentioned above, the Exhaust Gas flowed out from the exhausr port 23b of driving engine E is by with freeing pipe 61 guiding exhaust gas catalyzers 62, and catalyzed dose 64 transform, thereafter directed inflow silencer 63.The Exhaust Gas of directed inflow silencer 63 is deflated in pipe 73 guiding the first expansion chambers 81.Exhaust Gas in the first expansion chamber 81 is by directed inflow the second expansion chamber 82 of a pair of communicating pipe 74, and by a pair of communicating pipes 75 being flowed into the 3rd expansion chamber 83 by further guiding.In this process, Exhaust Gas is inflated and noise reduction, then from tail pipe 76, is discharged to outside.
At the end portion of a pair of left and right pivot plate 15, main support 53 can be installed rotationally.As shown in Figure 10, main support 53 disposes the cylindrical component 91 that is coupled rotationally pivot plate 15 by pivot shaft 90.A pair of right side and left side leg portion 92 are engaged in the lower outer surface of cylindrical component 91 with the chevron shape of roughly brachymemma.Pack up the upper outer surface that locating part 93 is installed to cylindrical component 91.Locating part 94 is provided in the top that the overall width direction couples a pair of right side and left side leg portion 92.Tension member 95 is provided in the centre portion that the overall width direction couples a pair of right side and left side leg portion 92.Tread bar (tread bar) 96 left sides in the overall width direction extend back from the end portion of leg portion 92.Spring-support plate 97 is pivotally mounted to pivot plate 15 on the right side of overall width direction.Extension spring 98 is at the centre portion of the right side of overall width direction bridge joint spring-support plate 97 and leg portion 92.
In the present embodiment, in the lateral plan of the lower edge along silencer 63, when main support 53 is packed up, a pair of right side of main support 53 and left side leg portion 92 almost form the leg portion 92 of dog-leg shape.In addition, main support 53 is arranged to hide the lower surface of exhaust gas catalyzers 62 with use main support 53 when main support 53 is packed up at the downside of waste gas exhaust gas catalyzer 62.In this example, main support 53 is not interfered with exhaust gas catalyzer 62.
In the example of the main support 53 formed as described above, main support 53 can rotate 90 ° around pivot shaft 90.When support in collapsed state (in use), pack up locating part 93 in abutting connection with the locating dowel pin 32 that is arranged on the end portion of pivot plate 15, and a pair of right side and left side leg portion 92 are arranged at the downside of waste gas exhaust gas catalyzer 62 keeping parallelism state roughly.And when using state, the locating dowel pin 32 for the locating part 94 between used life in abutting connection with pivot plate 15, make main support 53 be maintained at plumbness thus when support, to allow, motor bike 10 is supported to come to a complete stop.
According to the exhaust system 60 of the motor bike 10 of the present embodiment as explained above, it disposes the silencer 63 that the freeing pipe 61 of the exhausr port 23b that is connected to driving engine E, exhaust gas catalyzer 62 that longitudinal direction is roughly arranged along the overall width direction of motor bike 10 and longitudinal direction are roughly arranged along the forward and backward directions of motor bike 10.Because the front cap 68 of silencer 63 extends to the front side of motor bike 10, and in lateral plan, be overlaid on exhaust gas catalyzer 62, exhaust gas catalyzer 62 can be hidden by silencer 63 in lateral plan.Therefore, the outward appearance of motor bike 10 can be modified.In addition, because the length of freeing pipe 61 can be minimized, the manufacturing cost of exhaust system 60 can be lowered.
And, exhaust system 60 according to the motor bike 10 of the present embodiment, because silencer 63 disposes first stay 78 and the second stay 79 that is installed to front cap 68 at the middle part that roughly is arranged on longitudinal direction, and the first stay 78 is installed to back seat treadle load-carrying element 55, other the second stay is installed to pivot 31, and silencer 63 can be stoped by the second stay 79 for the vibration of fulcrum around the first stay 78 along swaying direction.And, because the second stay 79 is directly mounted to pivot 31, need to can be reduced in order to the part count that silencer is installed, and manufacturing cost also can be minimized.In addition, because the second stay 79 forms relatively long length, need to can be absorbed by the second stay 79 in order to the production tolerance of parts that silencer is installed, but improve thus the assembleability of exhaust system 60.
In addition, the exhaust system 60 according to the motor bike 10 of the present embodiment, have the main support 53 that almost forms the dog-leg shape in lateral plan.When main support 53 is packed up, main support 53 is arranged to the downside at waste gas exhaust gas catalyzer 62.Therefore, exhaust gas catalyzer 62 can in use be avoided foreign object such as the shock of little grit for exhaust gas catalyzer 62.
And, according to the exhaust system 60 of the motor bike 10 of the present embodiment, due to the oval cross section that silencer 63 has vertical elongation on the vertical direction of the longitudinal direction with respect to silencer 63, exhaust gas catalyzer 62 can be hidden by silencer 63 in lateral plan.In addition, because silencer 63 length can be shortened, can keep again its large capacity, silencer 63 can form compact size simultaneously.
As the modification example of the present embodiment, as shown in Figure 11, due in embodiment as explained above, tail pipe 87 is not installed to freeing pipe 73, is roughly the whole part that leg-of-mutton waveform element 99 can be formed into the rear end part of the second pipe 86.In this example, the Exhaust Gas due to the end release from waveform element 99, eddy current (shown in arrow X) produces along different directions, and erasure effect can realize by the interference to these eddy current.Therefore, the noise reduction commonality of silencer can be further improved.And, because only the rear end part formation waveform element 99 at the second pipe 85 is just enough, single member in embodiment as explained above is such as the connection of tail pipe 87 no longer needs, the productive costs of silencer 63 can be lowered, and the forward and backward length of silencer 63 can be shortened.In addition, in this modified embodiment, there is the concave surface element 88 that is roughly the bowl-type cross-sectional plane and be formed into the part relative with the second pipe rear end part of 85 of the first dividing plate 71.Therefore, in Exhaust Gas, generation is interfered and form eddy current in concave surface element 88, and erasure effect can be further improved.
Explain in detail each embodiment of the car body frame structure for motor bike of the present invention with reference to accompanying drawing.
Explain the embodiment of the car body frame structure for motor bike of the present invention to Figure 21 with reference to Figure 12, the apparent direction that enters of figure is indicated with reference character and arrow.
As shown in Figure 12, the motor bike 110 of the present embodiment disposes body shell 111.As at Figure 13 to as shown in Figure 15, body shell 111 disposes to support the head tube 113 that front fork 112 rotates.Main frame 114 extends downward rear portion from head tube 113, and wherein a pair of right side and left side pivot plate 115 are engaged to the rear portion of main frame 114 and to downward-extension.A pair of upper right side and upper left side rear frame 116 are engaged to the rear portion of main frame 114 and extend upwardly to rear portion.A pair of lower right side and rear flank, lower-left framework 117 are arranged at the downside of upside rear frame 116 and extend upwardly to rear portion.Each member of body shell 111 adopts soldering or similar technique to be engaged.
Front-wheel WF carries out the axle journal supporting by the end portion of front fork 112, and handlebar 118 is installed to the upper part of front fork 112.And, be installed to front fork 112 for the front fender apron 119 on the top that hides front-wheel WF.
The back vent 120 that trailing wheel WR is carried out to the axle journal supporting is supported and is freely swung by pivot plate 115, and rear shock absorber 121 is arranged between the rear end of the upside rear frame 116 of body shell 111 and back vent 120.
At the downside of main frame 114, power unit P consists of driving engine E and change-speed box M one.Power unit P is supported by boatswain chair 122, and pivot plate 115 is arranged on the centre portion of main frame 114.
The sidewall on the top of the cylinder cover 123 of driving engine E couples for adjusting and provides to the throttle valve body 124 of the flow rate of the gas mixture of driving engine E.Throttle valve body 124 couples the airfilter 125 for purifying air inlet at its upstream extremity.And the sidewall of the bottom of cylinder head 123 couples freeing pipe 126, and the downstream end of freeing pipe 126 connects the silencer 127 of the sound level in order to reduce exhaust.
On the top of trailing wheel WR, fuel tank 128 disposes to hold the storage tank 130 of small size article such as the helmet, and it is arranged to the front area at fuel tank 128.And the top of fuel tank 128 and storage tank 130 are hidden by tandem vehicle seat 129 in the present embodiment.Vehicle seat 129 is constructed and can opens and closes to allow to provide fuel to store the small size article to fuel tank 128 and in storage tank 130.
In Figure 12, and side cover 141 and having of configuration together: protective boards for legs 142; Protecgulum 143; Inner cap 144; Rear quarter panel 145; Rear inner fender 146; Rear mudguard 147; Grab rail 148; Taillight 149; Oil pump cover 150; Gear shift pedal (change pedal) 51; Main treadle 152; Main support 153; Side stand 154; Back seat treadle fixer 155; Back seat 156; With chain lid 157.
In the body shell 111 of the present embodiment, as Figure 13 to as shown in Figure 17, main frame 114 forms by having the pipe component that is roughly square cross section, and a pair of right side and left side pivot plate 115 are engaged to the both side surface at rear portion of this main frame 114 to extend to downside.
In the present embodiment, the both side surface of the rearward end of main frame 114 is engaged to the open side with the board member 161 that is roughly U-shaped cross-section, and distolateral both side surface is engaged to a pair of lower right side and rear flank, lower-left framework 117 in the sealing of board member 161.In addition, the sealing distolateral zone of board member 161 in the rear side near being arranged in motor bike 110 narrows down along the overall width direction.In the sealing of board member 161, the bent angle part broad ways on two distolateral surfaces narrows down, and forms respectively arc-shaped curved surface 161a.And the radius size of curved surface 161a is substantially equal to the radius that is formed the outer surface of downside rear frame 117 by pipe.Therefore, the arc-shaped curved surface 161a of downside rear frame 117 and board member 161 is fixed and is bonded together.In addition, the upper end face that has a board member 161 that is roughly U-shaped cross-section is engaged to top board 162 to close the gap formed by board member 161 and main frame 114.Thus, the rigidity of board member 161 can be enhanced.
In the present embodiment, the rear end surface of a pair of right side and left side pivot plate 115 is engaged to backboard 163, and to couple a pair of right side and left side pivot plate 115 along the overall width direction, described a pair of right side and left side pivot plate 115 form has the cross-sectional plane that is roughly U-shaped.And the pivot tube 164 of passing a pair of right side and 115 installations of left side pivot plate along the overall width direction is fixed to a pair of right side and left side pivot plate 115, and pivot tube 164 can support the fore-end of back vent 120 with freely swinging.
And in the present embodiment, a pair of upper right side and upper left side rear frame 116 are engaged to extend to rear portion between the boatswain chair 122 of the both side surface at the rear portion at main frame 114 and pivot plate 115.In addition, the centre portion of a pair of upper right side and upper left side rear frame 116 and rear end part couple crossbeam 165,166 along the overall width direction.
In the present embodiment, a pair of lower right side and rear flank, lower-left framework 117 are arranged to the downside at a pair of upper right side and upper left side rear frame 116.Thereby its fore-end is engaged to the rear surface of backboard 163 and extends to its rear portion and rear end part and be engaged to the bottom of the centre portion of upside rear frame 116 at upside.In addition, as shown in Figure 17, be engaged to a pair of lower right side of backboard 163 and the inner width W2 of rear flank, lower-left framework 117 and be configured to narrower than the width W of main frame 114 1.In addition, a pair of lower right side and rear flank, lower-left framework 117 are by being couple to respectively the intensity that a pair of upper right side and upper left side rear frame 116 have been strengthened it via reinforced frame 167.And the outer surface of the centre portion of a pair of lower right side and rear flank, lower-left framework 117 disposes respectively clamper installation component 168 so that back seat treadle clamper 155 to be installed.
Mounting bracket 169,170 is set up the upper surface to the centre portion of the upper surface at the rear portion of main frame 114 and a pair of upper right side and upper left side rear frame 116 in order to fixing storage tank 130.
Storage tank 130 use synthetic resin materials are made, and form the box-shaped with bottom, and open on its top, and as Figure 18, to as shown in Figure 21, it is equipped with base plate 131 and from the upwardly extending circumferential wall 132 of the circumferential edge of base plate 131.At the fore-end of base plate 131, screw jack 131a be formed for inserting bolt with fastening base plate 131 mounting bracket 169 to main frame 114.And, form a pair of right side and stay 133 is installed in left side in the circumferential rear upper part of wall 132, storage tank 130 is installed to the mounting bracket 170 of a pair of upper right side and upper left side after poppet 116.In addition, stay 133 formation screw jack 133a are being installed for inserting bolt, the mounting bracket 170 with fastening installation stay 133 to a pair of upper right side and upper left side after poppet 116.And, at the fore-upper part formation hinge 134 of circumferential wall 132, with the fore-end of the mode supporting seat 129 with opening or closing.
Storage tank 130 accommodates electronic control unit 180, battery 181 and electronic unit 182 such as wire fuse and relay in its bottom, and the upper part of these elements is sealed with inner cap 135.Therefore, the little article such as the helmet can be contained in the upper space of inner cap 135.
As explained above, the body shell for motor bike according to embodiments of the invention, because the open side of the board member 161 with the cross-sectional plane that is roughly U-shaped is engaged to the both side surface of the rear end part of main frame 114, and two distolateral surfaces of the sealing of board member 161 are engaged to downside rear frame 117, only require the element with high rigidity to can be used in the main frame 114 that formation has the cross-sectional plane that is roughly U-shaped, and do not require that the element with rigidity same high with main frame 114 can be used to form the board member 161 with the cross-sectional plane that is roughly U-shaped.Therefore, the rigidity balance of body shell 111 can be optimised, and, owing to improving output by shortening main frame 114, productive costs also can be lowered.
The body shell for motor bike according to the present embodiment, being arranged in because board member 161 is more approaching that the sealing of rear side of motor bike 110 is distolateral will be narrower along the overall width direction, therefore can form according to the spacing of a pair of lower right side to be joined and rear flank, lower-left framework 117 shape of optimization.
In addition, the body shell for motor bike according to the present embodiment, because curved surface 161a is formed into the part of the narrowed width of board member 161, when even the rear flank framework is formed with pipe instantly, board member 161 and downside rear frame 117 also can easily and reliably be engaged by welding process or similar technique.In addition, due to board member 161 use sheet material punch die moulding, it can easily be processed into curved surface by punch process or similar technique.
And, the body shell for motor bike according to the present embodiment, because a pair of right side and left side pivot plate 115 couple backboard 163 in the overall width direction, the front end of a pair of lower right side and rear flank, lower-left framework 117 is engaged to backboard 163, and a pair of lower right side and rear flank, lower-left framework 117 are narrower than the width W of main frame 114 1 at the inner width W2 of bonding part, the spacing W2 of a pair of lower right side and rear flank, lower-left framework 117 is narrower by pivot plate 115 and backboard 163, to guarantee to join to main frame 114 than the width W of main frame 114 1.Therefore, the rigidity of the rear end part of main frame 114 can be implemented, and the rigidity that approaches the zone of pivot plate 115 also can be improved.In addition, due to a pair of lower right side and rear flank, lower-left framework 117, can freely be arranged, Design freedom can be improved.
With reference to Figure 22, below will explain another embodiment of the body shell for motor bike of the present invention.The element identical with element in the above embodiments or similarly element by identical or similar reference number, mark, be omitted or simplify about its description.
Figure 22 is the transparent view of main portion of explaining another embodiment of the body shell for motor bike of the present invention.
As shown in Figure 22, the body shell 190 in the present embodiment does not dispose top board 162 and the backboard 163 in first embodiment, and the fore-end of a pair of lower right side and rear flank, lower-left framework 117 is directly joined to pivot tube 164.And the top brace panel 191 that is engaged to the upper circumferential surface of the upper circumferential surface of inside face, pivot tube 164 of the lower surface of main frame 114, a pair of right side and left side pivot plate 115 and a pair of lower right side and rear flank, lower-left framework 117 is arranged on the top of pivot tube 164.In addition, the lower reinforcing plate 192 that is engaged to the inside face of the lower circumferential surface of pivot tube 164 and a pair of Thuban flap and left pivot plate 115 is arranged on the bottom of pivot tube 164.In addition, intensity can be reinforced to guarantee by mutually coupling main frame 114, pivot plate 115, downside rear frame 117 and pivot tube 164 and upper reinforcing plate 191 and lower reinforcing plate 192 rigidity of body shell 190.
As explained above, the car body frame structure for motor bike according to the present embodiment, because the top board 162 used in the first embodiment and backboard 163 can be removed, and the rigidity of body shell 190 can adopt top brace panel 191 and bottom brace panel 192 to be guaranteed by directly a pair of lower right side and rear flank, lower-left framework 117 being coupled to pivot tube 164, the part count of using can be reduced, and productive costs can be further reduced
It is similar that other structure and operating influence and the above embodiments are explained.
By describing like this present invention, can understand that the present invention can be changed by several different methods.These variations can not be considered to depart from the spirit and scope of the present invention, and these are for it will be apparent to those skilled in that clear variation should be within the scope of claim.

Claims (20)

1. an exhaust system for motorcycle, it comprises:
Be connected to the freeing pipe of engine exhaust port;
Be arranged in the path of described freeing pipe to hold the exhaust gas catalyzer of the catalyst for transforming waste gas; With
Be connected to the silencer of the downstream end of described freeing pipe;
Wherein, described exhaust gas catalyzer is arranged to longitudinal direction almost along the overall width direction of motor bike;
Described silencer is arranged to its longitudinal direction almost along the forward and backward directions of motor bike; And
The front portion of described silencer be arranged in motor bike to extend forward and while observing from the side and exhaust gas catalyzer overlapping,
The installation stay be arranged on described exhaust gas catalyzer is fixed on the pivot plate that is disposed at described exhaust gas catalyzer the place ahead,
The freeing pipe that the exhausr port of cylinder head is connected with described exhaust gas catalyzer is connected to the left side of described exhaust gas catalyzer, and the freeing pipe that described exhaust gas catalyzer is connected with silencer is connected to the right side of described exhaust gas catalyzer.
2. exhaust system for motorcycle as claimed in claim 1, wherein, described silencer has the first stay that is arranged in the middle part of longitudinal direction roughly and arranges fore the second stay; And
The first stay is installed to back seat treadle load-carrying element, and the second stay is installed to pivot can support back vent with freely swinging.
3. exhaust system for motorcycle as claimed in claim 1, wherein, main support is observed from the side and is almost formed U-shaped; And main support is arranged to the downside at exhaust gas catalyzer when packing up.
4. exhaust system for motorcycle as claimed in claim 1, wherein, silencer has along the oval cross section of the vertical direction vertical elongation of the longitudinal direction with respect to silencer.
5. exhaust system for motorcycle as claimed in claim 1, wherein, described silencer comprises: the front cap extended along the forward direction of vehicle on the front portion of silencer, described front cap when observing from the side and exhaust gas catalyzer overlapping.
6. exhaust system for motorcycle as claimed in claim 2, wherein, described the first stay is installed to the end portion of back seat treadle.
7. exhaust system for motorcycle as claimed in claim 2, wherein, described the second stay is installed to work and is connected in vehicle so that the pivot of trailing wheel to be installed.
8. exhaust system for motorcycle as claimed in claim 3, wherein, in stowed position, the contiguous exhaust gas catalyzer of main support is arranged, between the vehicle used life, to protect exhaust gas catalyzer.
9. exhaust system for motorcycle as claimed in claim 1, wherein, described silencer has the vertically oval cross section of vertical elongation, to provide for hide the extra height of exhaust gas catalyzer at sidepiece.
10. exhaust system for motorcycle as claimed in claim 1, wherein, described silencer comprises: in near-end work, be connected in exhaust gas catalyzer and be connected in the first pipe of bulged tube in far-end work; Be connected in bulged tube in near-end work and there is the second pipe of the waveform profiles for produce eddy current at waste gas at far-end.
11. an exhaust system for motorcycle comprises:
Freeing pipe with near-end and far-end, described near-end is connected to the exhausr port of driving engine;
Exhaust gas catalyzer with near-end and far-end, the described far-end of described freeing pipe is connected to the near-end of exhaust gas catalyzer; With
Be connected to the silencer of the far-end of freeing pipe;
Described exhaust gas catalyzer is arranged to longitudinal direction almost along the overall width direction of motor bike, and described silencer is arranged to its longitudinal direction almost along the forward and backward directions of motor bike; With
The front portion of described silencer be arranged in motor bike to extend forward and when observing from the side and exhaust gas catalyzer overlapping,
The installation stay be arranged on described exhaust gas catalyzer is fixed on the pivot plate that is disposed at described exhaust gas catalyzer the place ahead,
The freeing pipe that the exhausr port of cylinder head is connected with described exhaust gas catalyzer is connected to the left side of described exhaust gas catalyzer, and the freeing pipe that described exhaust gas catalyzer is connected with silencer is connected to the right side of described exhaust gas catalyzer.
12. exhaust system for motorcycle as claimed in claim 11, wherein, described silencer has the first stay that is arranged in the middle part of longitudinal direction roughly and arranges fore the second stay; And
The first stay is installed to back seat treadle load-carrying element, and the second stay is installed to pivot can support back vent with freely swinging.
13. exhaust system for motorcycle as claimed in claim 11, wherein, almost form U-shaped when main support is observed from the side; And main support is arranged in the downside of exhaust gas catalyzer when being packed up.
14. exhaust system for motorcycle as claimed in claim 11, wherein, described silencer has the oval cross section with respect to the vertical direction vertical elongation of the longitudinal direction of silencer.
15. exhaust system for motorcycle as claimed in claim 11, wherein, described silencer comprises: the front cap extended along the forward direction of vehicle on the front portion of silencer, described front cap is overlapping with respect to exhaust gas catalyzer when observing from the side.
16. exhaust system for motorcycle as claimed in claim 12, wherein, the first stay is installed to the end portion of back seat treadle.
17. exhaust system for motorcycle as claimed in claim 12, wherein, the second stay is installed to work and is connected in vehicle so that the pivot of trailing wheel to be installed.
18. exhaust system for motorcycle as claimed in claim 13, wherein, in stowed position, described main support is close to exhaust gas catalyzer to be arranged, with protection exhaust gas catalyzer when vehicle uses.
19. exhaust system for motorcycle as claimed in claim 11, wherein, described silencer has the oval cross section of vertical elongation in the vertical direction, to be provided for hiding at sidepiece the extra height of exhaust gas catalyzer.
20. exhaust system for motorcycle as claimed in claim 11, wherein, described silencer comprises: be connected in exhaust gas catalyzer and be connected in first of bulged tube in far-end work in near-end work and manage; Be connected to bulged tube in near-end work and there is the second pipe of the waveform profiles for produce eddy current at waste gas at far-end.
CN2008100987094A 2007-06-01 2008-05-30 Exhaust system of motorcycle Expired - Fee Related CN101314390B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007147202A JP2008296832A (en) 2007-06-01 2007-06-01 Vehicle body frame structure for motorcycle
JP147202/07 2007-06-01
JP2007151621A JP4911612B2 (en) 2007-06-07 2007-06-07 Motorcycle exhaust system
JP151621/07 2007-06-07

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CN101314390B true CN101314390B (en) 2013-12-11

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JP5396126B2 (en) * 2009-03-31 2014-01-22 本田技研工業株式会社 Motorcycle
JP5570366B2 (en) * 2010-09-27 2014-08-13 本田技研工業株式会社 Motorcycle
JP5765184B2 (en) * 2011-10-25 2015-08-19 スズキ株式会社 Body frame structure of motorcycle
JP6682410B2 (en) * 2016-09-13 2020-04-15 本田技研工業株式会社 Cooling water reservoir tank for saddle type vehicles
BR112020006244B1 (en) * 2017-09-29 2023-04-11 Honda Motor Co., Ltd FIXING STRUCTURE FOR THE EXHAUST GAS SENSOR

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1796733A (en) * 2004-12-28 2006-07-05 本田技研工业株式会社 Exhaust apparatus of vehicles
CN1811140A (en) * 2005-01-24 2006-08-02 本田技研工业株式会社 Auspuffsystem fur ein fahrzeug

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1796733A (en) * 2004-12-28 2006-07-05 本田技研工业株式会社 Exhaust apparatus of vehicles
CN1811140A (en) * 2005-01-24 2006-08-02 本田技研工业株式会社 Auspuffsystem fur ein fahrzeug

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JP特开平11-280458A 1999.10.12
JP特开平8-177466A 1996.07.09

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