CN1274550C - Frame for two-wheeled motorcycle - Google Patents
Frame for two-wheeled motorcycle Download PDFInfo
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- CN1274550C CN1274550C CN 02122717 CN02122717A CN1274550C CN 1274550 C CN1274550 C CN 1274550C CN 02122717 CN02122717 CN 02122717 CN 02122717 A CN02122717 A CN 02122717A CN 1274550 C CN1274550 C CN 1274550C
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- aforementioned
- fuel tank
- pipe
- tank track
- frame
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Abstract
The invention provides a motorcycle body frame. An engine unit is mounted in a basic skeleton frame including a tank rail 11a disposed in an inclined manner downwardly to the rear from an upper part of a head pipe 12, a down tube 11c disposed in an inclined manner downwardly to the rear from a lower part of the head pipe 12, and a side frame 11b extended downwardly while expanding to both sides of the motorcycle body from a part in the vicinity of a rear end part of the tank rail 11a. A fuel tank 30 is placed in a striding manner over the substantially total length of the tank rail 11a. The tank rail 11a is bent downwardly below the center line to connect coupling parts of the head pipe 12 and the side frame 11b at front and rear end parts to each other at a substantially center part in the longitudinal direction.
Description
Technical field
The present invention relates to the vehicle body frame in the two-wheeled motor vehicle, be typically the chassis structure that is called as arch bar truck etc.
Background technology
In this vehicle, vehicle body frame is that a plurality of frame parts are guaranteed the rigidity intensity stipulated by joints such as welding, supports front and back wheel when loading driving engine or Fuel Tank etc.
For example, in so-called arch bar truck style, constitute the basic framework of vehicle body frame by fuel tank track, bogie side frame and following pipe, this fuel tank track combines with the top of steering head pipe, central portion is obliquely installed to the back lower place in the left and right sides of car body, this bogie side frame is configured around the downside of going into crankcase ground on one side from outstanding in the car body both sides near the rearward end of fuel tank track on one side, and this time managed and combined with the bottom of steering head pipe, and central portion is obliquely installed to the back lower place in the left and right sides of car body.And have and adopt the feature of driving engine itself as the strength member of vehicle body frame etc.
Also have, Fuel Tank mainly loads by the fuel tank track and supports, and its bottom surface forms the portion of striding that approximately is the word of falling U shape that falls in upward.And the load configurations such as tank hanger of Fuel Tank by the rubber system that is provided with on the fuel tank track is on the fuel tank track.
But, in existing vehicle body frame, particularly have only under the situation of 1 fuel tank track, form linearity usually.If load configurations Fuel Tank on such fuel tank track is had to make the form of fuel tank significantly to expand upward in order to ensure the tank capacity of necessity and is bloated.Not only Fuel Tank is restricted in design in this case, also must work hard on the installation of Fuel Tank or fixing means.
Also have, be not only the situation that Fuel Tank is installed, the frame part of formation vehicle body frame particularly cross sectional shape also influences the mutual connectivity of frame part.For example the fuel tank track is under the situation of using pipe, and the junction surface of the bogie side frame of combination cooperates the cross sectional shape of fuel tank track to make 3 dimension shapes therewith.In this case, form 3 dimension shapes itself and expend man-hour, the welding at junction surface is difficulty also.On the one hand, under the situation of the fuel tank track of square tube, because the portion of striding of aforementioned Fuel Tank forms the shape that is fit to the square-section, existing must be with the problem of the shape maximization of Fuel Tank etc. in order to ensure the tank capacity of former state.
The present invention uses for reference such actual conditions, and its purpose is, provide a kind of propellant capacity guarantee and designability on actv., the vehicle body frame that can seek to improve the two-wheeled motor vehicle of mutual connectivity of parts etc.
Summary of the invention
The vehicle body frame of two-wheeled motor vehicle of the present invention, its basic framework vehicle frame comprises: the head pipe, the fuel tank track, following pipe and bogie side frame, this head pipe supports front fork, this fuel tank track is obliquely installed to the back lower place from the top of this pipe, this time pipe is obliquely installed to the back lower place from the bottom of aforementioned pipe, this bogie side frame extends setting from the rearward end of aforementioned fuel tank track downwards to car body two side-prominent one side on one side, this vehicle body frame is loaded in the engine pack in the basic framework vehicle frame, with the mode mounting Fuel Tank on the total length that spreads all over aforementioned fuel tank track, it is characterized in that, aforementioned fuel tank track forms than connecting its leading section and rearward end and aforementioned head pipe and the aforementioned bogie side frame crooked shape of line of centers of binding site respectively downwards at the central portion of this track total length; When connecting the top and aforementioned fuel tank track of aforementioned pipe down, see the latter half of and aforementioned bridge shape framework that disposes aforementioned fuel tank track from the side by the bridge shape framework that constitutes by tubing linearlyly.
Also have, the vehicle body frame of two-wheeled motor vehicle of the present invention, it is characterized in that, the forebody of aforementioned fuel tank track, extend with the dead in line ground as the pivot of the front end support portion of rear-swing arm that is provided with on aforementioned bogie side frame on the top of seeing and pass aforementioned pipe from the side, on this axis, set the engine mount at the rear portion of the cylinder cover that hangs aforementioned engine pack and engine case, the suspension part at aforementioned engine case rear portion is suspended on the pivot of aforementioned rear-swing arm.
Also have, the vehicle body frame of two-wheeled motor vehicle of the present invention, it is characterized in that, set high-tension coil in the space above the aforementioned engine pack that forebody and the aforementioned top of pipe down by aforementioned head pipe and aforementioned fuel tank track form for the ignition spark plug supply spark current that on cylinder cover, is installed with at aforementioned engine pack.
Also have, the vehicle body frame of two-wheeled motor vehicle of the present invention, it is characterized in that, be when circular tubing constitutes aforementioned fuel tank track by cross-sectional plane, in conjunction with the rearward end of the aforementioned fuel tank track of the upper end of the aforementioned bogie side frame of pair of right and left be about possess the flattened round cross-sectional plane of tabular surface.
According to the present invention, crooked by the fuel tank track being formed near central portion downwards, the portion of striding of Fuel Tank is dwindled, can not increase the profile of Fuel Tank and increase tank capacity in fact.Also have, at this moment, can reduce flexural load, durability is improved for the fuel tank track by dispose the latter half of of fuel tank track and bridge shape framework roughly linearlyly.
Also have,,, engine pack can be used effectively as the frame strength parts by on the position of service load load, setting engine mount for the vehicle body frame of utilizing engine pack as the strength member of vehicle frame.
Have again, by head pipe and fuel tank track and the high-tension coil that disposes in the space above the engine pack that forms of pipe down, cover around it,, can shorten spark-plug lead owing to this occasion is in the nearest position configuration of distance ignition spark plug by Fuel Tank.
Description of drawings
Fig. 1 is the figure of all structure examples of two-wheeled motor vehicle of the embodiment of expression vehicle body frame of the present invention.
Fig. 2 is the birds-eye view of vehicle body frame surrounding structure example of the two-wheeled motor vehicle of embodiments of the invention.
Fig. 3 is the lateral plan of vehicle body frame surrounding structure example of the two-wheeled motor vehicle of embodiments of the invention.
Fig. 4 is the lateral plan of the vehicle body frame of embodiments of the invention.
Fig. 5 is that the part birds-eye view of the vehicle body frame of embodiments of the invention reaches the figure that sees from the rear.
Fig. 6 is the block diagram of the Fuel Tank configuration relation on every side of embodiments of the invention.
Fig. 7 is the portion of striding and the conventional example section-drawing relatively of the Fuel Tank of expression embodiments of the invention.
Fig. 8 is the fuel tank track rearward end and the conventional example section-drawing relatively of expression embodiments of the invention.
The specific embodiment
Below, according to drawing, the suitable embodiment by the vehicle body frame of two-wheeled motor vehicle of the present invention is described.
Vehicle body frame by two-wheeled motor vehicle of the present invention can be suitable for the Gong Lu ﹠amp that will load 4 two-stroke engines for example shown in Figure 1 in the present embodiment effectively at various two-wheeled motor vehicles; The two-wheeled motor vehicle of cross-country style is as example.
All structures of two-wheeled motor vehicle 10 of the present invention at first are described.In Fig. 1, in front portion by the vehicle body frame 11 of steel or aluminum alloy system, be provided with can be supported rotationally to the left and right by steering head pipe 13 2 front fork 13.The fixing deflecting bar 14 in the upper end of front fork 13 has handle 15 at the two ends of deflecting bar 14.Also have, utilize to turn to axostylus axostyle 16 to install and fix headlight 17 or average speed indicator etc.
When front fork 13 bottom front-wheels 18 were rotatably supported, front apron 19 was being fixed on the ground, top that covers front-wheel 18 on front fork 13.Front-wheel 18 has the brake disc 20 with front-wheel 18 one rotations, is fixed on brake facing 21 on the front fork 13 and pressurizes on brake disc and touch.In addition, as Gong Lu ﹠amp; The tire of the front-wheel 18 of the feature of cross-country motorcycle as shown is thick wide cut tire.
At the rear portion of vehicle body frame 11, when swing arm 22 being set swingably by pivot 23, frame dress rear shock absorber 24 (with reference to Fig. 2 or Fig. 3) between vehicle body frame 11 and swing arm 22.In this case, the lower end of rear shock absorber 24 links by carriage 25a and swing arm 22.Trailing wheel 26 rotatably is supported on the rear end of swing arm 22, and trailing wheel 26 is driven in rotation by the driven sprocket 28 of being reeled by chain 27.In addition, the tire of trailing wheel 26 as shown is thick wide cut tire.
Above cargo-carring driving engine 29 on the vehicle body frame 11, loading Fuel Tank 30 with the shape that strides across this vehicle body frame 11, from Fuel Tank to driving engine 29 fuel supplying.Also have, on the rear portion side of driving engine 29,,, supply mixed steams to driving engine 29 from carburettor 32 by air inlet pipe 31 in conjunction with air inlet pipe 31.Supply peace and quiet air from airfilter 34 to carburettor 32 by gas piping 33.In conjunction with freeing pipe 35, scavenging after the burning is excluded by freeing pipe 35 in the toe lateral of driving engine 29.Freeing pipe 35 is chosen ground by the sidepiece of driving engine 29 and is rearward extended setting on rear vehicle, connect silencer 36 in its back-end.
Set seat 37 at the rear of Fuel Tank, the front portion at seat shown in the example 37 is covered above the rear portion of Fuel Tank 30 and is configured as shown.Below seat 37, reach the rear, set the back shield 38 that covers trailing wheel 26 tops.At the both sides of back shield 38 configuration rear directional 39.
Built-in bent axle, change-speed box etc. in the crankcase 40 of driving engine 29.In the bottom of crankcase 40, on the gear wheel shaft 41 of drive speed transmission, fastening the arm that is provided with change pedal not shown in the figures.
Fig. 2 and Fig. 3 represent around vehicle body frame 11 and the swing arm 22.Vehicle body frame 11 in the present embodiment, be representative type arch bar truck style, comprise fuel tank track 11a, bogie side frame 11b, under manage 11c, seat rail 11d, side pipe or X-shaped frame 11e, this fuel tank track 11a is in the combination of the top of steering head pipe 12, dispose in the left and right sides of car body central portion tilted rearward, near this bogie side frame 11b combination rearward end of fuel tank track 11a, on one side to car body two side-prominent one side around the downside of the crankcase 40 of going into driving engine 29 be configured, this time pipe 11c is in the combination of the bottom of steering head pipe 12, at the left and right sides of car body central portion moderately to back lower place tilted configuration, this seat rail 11d combines near the joint portion of each bogie side frame 11b and fuel tank track 11a, rearward about horizontal arrangement, this side pipe or near the X-shaped frame 11e combination rear portion of each seat rail 11d are near the combination bottom of each bogie side frame 11b in the tilted configuration of front lower place.These frame parts are basically by welding combination reciprocally.
Near the bottom of bogie side frame 11b, swing arm 22 is set swingably by pivot 23.In this case, fastening bracket 42 near the bottom of bogie side frame 11b, will set forth subsequently in these carriage 42 upper support swing arms 22.Supported with the carriage 25a that the lower end of rear shock absorber 24 links by the bridge 43 of the swing arm about combining 22.Also have in the lower end of bogie side frame 11b, the fastening carriage 44 (also with reference to Fig. 1) that is used for fixing driving engine connects on this carriage 44 in the bottom of crankcase 40, supports rest stretcher 46 by hold-down arm 45.
In the lower end of managing 11c down, the fastening carriage 47 that is used for fixing driving engine, the front portion of connection crankcase 40 on this carriage 47.Also have, following pipe 11c links by bridge 11f and fuel tank track 11a near top, and the carriage 48 (with reference to Fig. 1) that tightens set at this bridge 11f is gone up the cylinder cover 49 that connects driving engine 29.So in the present embodiment, under reaching, fuel tank track 11a, bogie side frame 11b by the basic framework that constitutes vehicle body frame 11 load engine pack in the pipe space that 11c surrounded.
Near the bottom of X-shaped frame 11e, the guiding carrier or the carriage 50 of about " V " word shape shown in the example as shown that moderately are tilted to rear extension are installed, at the tip upper support back seat pedal 51 of this guiding carrier 50.
In the present embodiment, the pivotal mounting portion (carriage 42) of pivot suspension swing arm 22 front ends is set on the regulation position of the bogie side frame 11b that constitutes car body, in the sleeve pipe that rear end and its both sides of engine case (crankcase 40) dispose, run through pivot 23, be connected jointly in the pivotal mounting portion by the rear end and the sleeve pipe of this pivot 23 engine case, when supporting the rear end of engine case, swing arm 22 is installed swingably by pivot 23.In addition, on left and right directions, give prominence to the rear end of the crankcase 40 that forms aluminium pressure diecasting system with certain width.
Fig. 4 (lateral plan) and Fig. 5 represent the concrete configuration example of vehicle body frame 11 of the present invention.As previously mentioned the basic framework vehicle frame by head pipe 12, fuel tank track 11a, manage 11c down and bogie side frame 11b constitutes, this head pipe 12 supports front fork 13, this fuel tank track 11a is obliquely installed to the back lower place from the top of this pipe 12, this time pipe 11c is obliquely installed to the back lower place from the bottom of aforementioned head pipe 12, this bogie side frame 11b is on one side from extending setting downwards to car body two side-prominent one side near the rearward end of aforementioned fuel tank track 11a, in this basic framework vehicle frame, load in the engine pack, with the mode mounting Fuel Tank 30 on the basic total length of fuel tank track 11a.
Also have, on the bogie side frame 11b, the seat rail 11d that constitute pair of right and left respectively and X-shaped frame 11e, laterally set up a plurality of union lever 11g～11k about mutual binding as shown in Figure 5.11g～11k guarantees rigidity intensity by these union levers.
In vehicle body frame 11 of the present invention, as shown in Figure 4, fuel tank track 11a forms crooked downwards.Be the central portion of fuel tank track 11a, form than connecting in its leading section and the rearward end and distinguish binding site P with head pipe 12 and bogie side frame 11b at length direction
1, P
2Line of centers M-M crooked downwards.In this example, be approximately " ㄑ " word shape as shown in the figure.In addition, fuel tank track 11a is that circular tubing constitutes by cross-sectional plane.
Also have, connect top and the fuel tank track 11a of pipe 11c down by bridge 11f.In this case, bridge 11f is at the point of inflection P of " ㄑ " word shape
3Rear side be welded on the fuel tank track 11a.And, as shown in Figure 4, see that from the side latter half of the and bridge 11f of fuel tank track 11a disposes roughly linearlyly.In addition, bridge 11f is that circular tubing constitutes by cross-sectional plane, cooperates outer shape (circle) to be melted slightly with the joint portion of fuel tank track.
Also have, a top (P of pipe 12 is seen and passed to the forebody of fuel tank track 11a from the side as shown in Figure 6
1) with the front end support portion P of the swing arm 22 that on bogie side frame 11b, is provided with
4The axis N-N of (pivot 23) roughly extends with overlapping.On this axis N-N, set the engine mount at the rear portion of the cylinder cover 49 that hangs engine pack and engine case.That is the point of connection P of support 48 and cylinder cover 49,
5Be set on the axis N-N, pivot 23 (front end support portion P is passed through in the rear end of crankcase 40 as previously mentioned in addition
4) supported.
Also have, in the space S above the engine pack that forebody and following top of managing 11c by head pipe 12 and fuel tank track 11a form, set high-tension coil 52 as shown in Figure 6 for the ignition spark plug supply spark current that on cylinder cover 49, is installed with at engine pack.In addition, high-tension coil 52 utilization is deposited over head pipe 12, fuel tank track 11a and reinforcement (strengthening part) 53 in the field, joint portion of pipe 11c and support 54 are adorned by frame down.
According to the present invention in the above-mentioned formation, make the crooked 30a of the portion of striding that can dwindle Fuel Tank 30 of fuel tank track 11a downwards by near central portion, forming.Promptly the bottom surface by having dwindled Fuel Tank 30 upward fall in part, can not strengthen the profile of Fuel Tank 30 and increase the capacity of fuel tank in fact.Also have, this situation is passed through the roughly latter half of and bridge 11f of linearity ground configuration fuel tank track 11a, can reduce the flexural load for fuel tank track 11a, improves durability.
Also have, fuel tank track 11a is that circular tubing constitutes by cross-sectional plane shown in Fig. 7 (A).By using pipe, comparing with the situation (Fig. 7 (B)) of using square tube can be clear and definite, can eliminate the minimizing part by the tank capacity of the shape cause of striding the 30a of portion like this.
At two-wheeled motor vehicle 10 in motion, the impact effect of front-wheel 18 when crossing the concavo-convex grade of ground-surface is on head pipe 12.This pipe 12 is main combinedly to be supported on by fuel tank track 11a and on the vehicle body frame 11 that pipe 11c etc. constitutes down.This vehicle body frame 11 is utilized the strength member of cargo-carring engine pack as vehicle frame, and this situation becomes important key element effectively utilizing the hanging position that comprises the cage construction of vehicle body frame 11 on the basis of engine pack.
The forebody of fuel tank track 11a roughly overlaps with axis N-N among the present invention, and hanging position (the front end support portion P that sets engine pack on axis N-N is arranged again
4And point of connection P
5).In vehicle body frame 11,, can effectively utilize engine pack like this as strength member by on the position of service load load, setting engine mount.And, by improving the intensity of vehicle body frame 11 self, can seek each parts that substantial miniaturization and constitutes vehicle body frame 11, that improves vehicle takes advantage of the seat sensation.
Have again, by head pipe 12 and fuel tank track 11a with set high-tension coil 52 in the space S above the engine pack that forms of pipe 11c down.Owing to around the major part of high-tension coil 52 is capped by Fuel Tank 30, can access good surface appearance, this situation is because the configuration of the most close ignition spark plug can be shortened spark-plug lead.
Have again, as shown in Figure 6 at line of centers (upper bracket line L by the upper bracket 16a that turns to axostylus axostyle 16
1), turn to line of centers (the lower bracket line L of the lower bracket 16b of axostylus axostyle 16
2) and vehicle frame pivot axis L
3 Configuration Fuel Tank 30 in the field that surrounds.That is, Fuel Tank 30 is positioned at upper bracket line L
1Below and lower bracket line L
2Top, vehicle frame pivot axis L
3The place ahead.
Owing to dispose Fuel Tank 30 in this wise, see from the side in appearance and can see the moulding of engine pack ground, also have as described above cover hidden high-tension coil 52 improve aesthetic appearance on every side in, can enlarge the degree of freedom in the design significantly.
Have again, have tabular surface 11a because the rearward end of fuel tank track 11a forms as previously mentioned
1Flattened round cross section (Fig. 7 (A)), with the situation (Fig. 8 (B)) of round section relatively can be clear and definite, 11b becomes plane engagement with bogie side frame.Therefore, because close property well, seamlessly forms this face of joint, can improve weldability, guarantee high bond strength.
The present invention and embodiment more than have been described, the present invention only is defined in these embodiment, can change within the scope of the invention.
Although understand fuel tank track 11a be bent to form approximately " ㄑ " word shape downwards, also can be bent to form other for example circular arc or curve-like, can access the action effect same with the foregoing description.Also have, though be with Gong Lu ﹠amp; The situation of the two-wheeled motor vehicle of cross-country style is that example describes, also go for highway or cross-country in the two-wheeled motor vehicle of any style.
As previously discussed according to the present invention, in this vehicle body frame by with the fuel tank track to The below is bent to form, and can not strengthen the profile of fuel tank and increases in fact tankage. Also Have, by attaching aptly bridge shape framework for the fuel tank track, can reduce for the fuel tank track Bending load, improve durability. Have again, by effectively with engine pack as framework Strength member uses, and has and can effectively realize light-weighted advantage when guaranteeing intensity.
Claims (4)
1. the vehicle body frame of a two-wheeled motor vehicle, its basic framework vehicle frame comprises: the head pipe, the fuel tank track, following pipe and bogie side frame, this head pipe supports front fork, this fuel tank track is obliquely installed to the back lower place from the top of this pipe, this time pipe is obliquely installed to the back lower place from the bottom of aforementioned pipe, this bogie side frame extends setting from the rearward end of aforementioned fuel tank track downwards to car body two side-prominent one side on one side, this vehicle body frame is loaded in the engine pack in the basic framework vehicle frame, with the mode mounting Fuel Tank on aforementioned fuel tank track total length, it is characterized in that, aforementioned fuel tank track forms than connecting its leading section and rearward end and aforementioned head pipe and the aforementioned bogie side frame crooked shape of line of centers of binding site respectively downwards at the central portion of this track total length;
When connecting the top and aforementioned fuel tank track of aforementioned pipe down, see the latter half of and aforementioned bridge shape framework that disposes aforementioned fuel tank track from the side by the bridge shape framework that constitutes by tubing linearlyly.
2. the vehicle body frame of two-wheeled motor vehicle as claimed in claim 1, it is characterized in that, the forebody of aforementioned fuel tank track, extend with the dead in line ground as the pivot of the front end support portion of rear-swing arm that is provided with on aforementioned bogie side frame on the top of seeing and pass aforementioned pipe from the side, on this axis, set the engine mount at the rear portion of the cylinder cover that hangs aforementioned engine pack and engine case, the suspension part at aforementioned engine case rear portion is suspended on the pivot of aforementioned rear-swing arm.
3. the vehicle body frame of two-wheeled motor vehicle as claimed in claim 1, it is characterized in that, set high-tension coil in the space above the aforementioned engine pack that forebody and the aforementioned top of pipe down by aforementioned head pipe and aforementioned fuel tank track form for the ignition spark plug supply spark current that on cylinder cover, is installed with at aforementioned engine pack.
4. the vehicle body frame of two-wheeled motor vehicle as claimed in claim 1, it is characterized in that, be when circular tubing constitutes aforementioned fuel tank track by cross-sectional plane, in conjunction with the rearward end of the aforementioned fuel tank track of the upper end of the aforementioned bogie side frame of pair of right and left be about possess the flattened round cross-sectional plane of tabular surface.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001322435A JP2003127954A (en) | 2001-10-19 | 2001-10-19 | Motorcycle body frame |
| JP322435/2001 | 2001-10-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1412068A CN1412068A (en) | 2003-04-23 |
| CN1274550C true CN1274550C (en) | 2006-09-13 |
Family
ID=19139486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02122717 Expired - Fee Related CN1274550C (en) | 2001-10-19 | 2002-06-07 | Frame for two-wheeled motorcycle |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2003127954A (en) |
| CN (1) | CN1274550C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0506776B1 (en) * | 2004-01-27 | 2016-03-01 | Yamaha Motor Co Ltd | motorcycle fuel tank |
| JP4506317B2 (en) * | 2004-07-14 | 2010-07-21 | スズキ株式会社 | Motorcycle |
| JP2006143123A (en) * | 2004-11-24 | 2006-06-08 | Yamaha Motor Co Ltd | Motorcycle |
| EP2857299B1 (en) | 2012-05-28 | 2017-12-13 | Honda Motor Co., Ltd. | Saddle-type vehicle |
| JP6538124B2 (en) * | 2017-07-27 | 2019-07-03 | 本田技研工業株式会社 | Saddle-ride type vehicle |
| JP6920367B2 (en) * | 2019-03-29 | 2021-08-18 | 本田技研工業株式会社 | Internal combustion engine |
-
2001
- 2001-10-19 JP JP2001322435A patent/JP2003127954A/en active Pending
-
2002
- 2002-06-07 CN CN 02122717 patent/CN1274550C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1412068A (en) | 2003-04-23 |
| JP2003127954A (en) | 2003-05-08 |
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