CN103029780A - Carbon canister configuration structure of riding type vehicle - Google Patents

Carbon canister configuration structure of riding type vehicle Download PDF

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Publication number
CN103029780A
CN103029780A CN2012103325951A CN201210332595A CN103029780A CN 103029780 A CN103029780 A CN 103029780A CN 2012103325951 A CN2012103325951 A CN 2012103325951A CN 201210332595 A CN201210332595 A CN 201210332595A CN 103029780 A CN103029780 A CN 103029780A
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mentioned
fuel tank
tank
charcoal
protective case
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CN2012103325951A
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CN103029780B (en
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芦田直裕
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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Abstract

The invention provides a carbon canister configuration structure of a riding type vehicle. When a carbon canister is configured near a combustion tank, the tubing of a carbon canister is controlled to be the shortest. The carbon canister configuration structure comprises a fuel tank (10) arranged on a vehicle frame (4), and a fuel tank protection cover (80L) covered at the front side portion of the fuel tank (10). The fuel tank protection cover (80L) protrudes out of the width direction of a vehicle and the lower end of the fuel tank protection cover (80L) extends to the a position lower than the lower end of the fuel tank (10). A carbon canister for accumulating evaporated fuel from the fuel tank (10) is arranged at the inner side at the vehicle width direction of the fuel tank protection cover (80L). The carbon canister (55) is cylindrical, and axis (C2) of the carbon canister (55) is in line with the vertical direction of a vehicle.

Description

The charcoal tank configuration structure of Straddle type vehicle
Technical field
The present invention relates to a kind of charcoal tank configuration structure of Straddle type vehicle.
Background technology
In patent documentation 1, disclose following a kind of two-wheeled motorcycle, Fuel Tank is configured in the top of the vehicle frame that extends back from head tube, and the charcoal tank is configured between near the instrument mask and front shroud of this Fuel Tank.In patent documentation 2, disclose following a kind of two-wheeled motorcycle in addition, Fuel Tank is configured in the top of the vehicle frame that extends back from head tube, and the charcoal tank is configured between driving engine and this Fuel Tank, the protected lid that covers in the side of charcoal tank.In above-mentioned two kinds of two-wheeled motorcycles, the charcoal tank all is cylindric and is configured to the axis of charcoal tank along the state of vehicle fore-and-aft direction.In addition, the charcoal tank is fixed on vehicle body one side through supporting member.
Patent documentation 1: the open communique JP of Japanese patent of invention 2011-32939 number
Patent documentation 2: the international specification sheets that discloses No. 09/110573
Such as above-mentioned vehicle, the axis that the charcoal tank is configured near the of Fuel Tank and is configured to the charcoal tank is when the state of vehicle fore-and-aft direction, can't control the pipe arrangement that is connected on the charcoal tank shorter, so people's a kind of charcoal tank configuration structure that waits in expectation, adopt this structure to control pipe arrangement shorter as far as possible.
Summary of the invention
In view of the foregoing, the purpose of this invention is to provide a kind of charcoal tank configuration structure of Straddle type vehicle, the charcoal tank is configured in Fuel Tank near the time, adopt this structure to control the pipe arrangement of charcoal tank shorter as far as possible.
To achieve these goals, the charcoal tank configuration structure of technical solution of the present invention 1 described Straddle type vehicle has: Fuel Tank (10), and it is configured on the vehicle frame (4); Fuel Tank protective case (80L) covers the anterior side of this Fuel Tank (10) by it, and this Fuel Tank protective case (80L) is not only to the overall width direction and bloats and its lower end but also extend to than the lower end of above-mentioned Fuel Tank (10) on the lower shape also.Be used for accumulating the inboard on the overall width direction that charcoal tank (55) from the evaporated fuel of above-mentioned Fuel Tank (10) is configured in above-mentioned Fuel Tank protective case (80L); described charcoal tank (55) is cylindric, and the axis (C2) of this charcoal tank (55) is along the vehicle above-below direction.
On the basis of technical scheme 1; the charcoal tank configuration structure of technical solution of the present invention 2 described Straddle type vehicles; above-mentioned Fuel Tank protective case (80L) has the circular arc shape that bloats to the overall width direction at the cross-sectional plane along the vehicle fore-and-aft direction, above-mentioned charcoal tank (55) is configured to its at least a portion and is positioned at the state that also leans on the outside on the overall width direction than the straight line of the front-end and back-end that connect above-mentioned Fuel Tank protective case (80L).
On the basis of technical scheme 1 or 2, the charcoal tank configuration structure of technical solution of the present invention 3 described Straddle type vehicles, above-mentioned Fuel Tank protective case (80L) has: outer protective cover (81L), its above-mentioned Fuel Tank of outer side covers (10) on the overall width direction; Interior protective case (82L), it covers the space between above-mentioned outer protective cover (81L) and the above-mentioned Fuel Tank (10) from the place ahead, and above-mentioned charcoal tank (55) is configured in the space that is impaled by above-mentioned outer protective cover (81L) and above-mentioned interior protective case (82L).
On the basis of technical scheme 3; the charcoal tank configuration structure of technical solution of the present invention 4 described Straddle type vehicles; above-mentioned Fuel Tank protective case (80L) has and is integral with it and flank (88) that the medial surface on the overall width direction of this Fuel Tank protective case (80L) highlights; the periphery of above-mentioned charcoal tank (55) has the elastic covering (90) with embedded hole (89); chimeric by above-mentioned flank (88) and above-mentioned embedded hole (89) can be supported above-mentioned charcoal tank (55) by above-mentioned Fuel Tank protective case (80L).
On the basis of technical scheme 4, the charcoal tank configuration structure of technical solution of the present invention 5 described Straddle type vehicles, driving engine (12) is configured in the below of above-mentioned Fuel Tank (10), and above-mentioned charcoal tank (55) is configured in the outside on the overall width direction of cylinder (27) of above-mentioned driving engine (12).
On the basis of technical scheme 5, the charcoal tank configuration structure of technical solution of the present invention 6 described Straddle type vehicles, during side-looking, the lower end of above-mentioned charcoal tank (55) is configured in than on the lower position also, the upper end of above-mentioned cylinder (27), and the upper end of above-mentioned charcoal tank (55) is configured in than top position also, the lower end of above-mentioned Fuel Tank (10).
[invention effect]
When adopting the present invention's the 1st technical scheme, the axis of cylindric charcoal tank is configured in the position of close Fuel Tank along vehicle above-below direction and this charcoal tank, can reduce like this bending that the pipe arrangement to the end on the axis direction that generally is connected to the charcoal tank carries out as far as possible, thereby be easy to this pipe arrangement is configured in Fuel Tank one side or under-vehicle, therefore can control the pipe arrangement of charcoal tank shorter as far as possible.
When adopting the present invention's the 2nd technical scheme, can guarantee comparatively spacious space in the inboard of the Fuel Tank protective case of the circular arc shape that bloats to the overall width direction, can easily the charcoal tank be configured in inboard on the overall width direction of Fuel Tank protective case by utilizing this space.
When adopting the present invention's the 3rd technical scheme; can cover the charcoal tank from the place ahead and side; the outside heat such as wind that be derived from direct sunlight, exhaust heat, produce because travelling are difficult to pass to the charcoal tank, therefore can guarantee that the charcoal tank has good suction performance, and can effectively protect the charcoal tank.
When adopting the present invention's the 4th technical scheme, support the charcoal tank by utilizing with Fuel Tank protective case all-in-one-piece flank, thereby can realize supporting with single Fuel Tank protective case the structure of charcoal tank, be conducive to like this simplified structure.
When adopting the present invention's the 5th technical scheme, can not hinder because of the existence of charcoal tank the wind that produces because travelling to driving engine, so can keep the good cooling performance to driving engine.
When adopting the present invention's the 6th technical scheme, can prevent from reliably hindering the wind that produces because travelling to driving engine because of the existence of charcoal tank, so can keep the good cooling performance to driving engine.
Description of drawings
Fig. 1 is the left view with two-wheeled motorcycle of the structure in the embodiments of the present invention.
Fig. 2 is the left view of the main portion of above-mentioned two-wheeled motorcycle.
Fig. 3 is the front elevation of the main portion of above-mentioned two-wheeled motorcycle.
Fig. 4 is the birds-eye view of the main portion of above-mentioned two-wheeled motorcycle.
The left view of the main portion of the above-mentioned two-wheeled motorcycle of the state of Fig. 5 when taking off outer protective cover from state shown in Figure 2.
The front elevation of the main portion of the above-mentioned two-wheeled motorcycle of the state of Fig. 6 when taking off outer protective cover from state shown in Figure 3.
The birds-eye view of the main portion of the above-mentioned two-wheeled motorcycle of the state of Fig. 7 when taking off outer protective cover from state shown in Figure 3.
The section-drawing of Fig. 8 for dissecing along the cutting line A-A among Fig. 2.
[description of reference numerals]
1, two-wheeled motorcycle (Straddle type vehicle); 2, vehicle frame; 4, main car frame (vehicle frame); 10, Fuel Tank; 12, driving engine; 27, cylinder head; 55, the charcoal tank; 80L, the Fuel Tank protective case; 81L, outer protective cover; 82L, interior protective case; 88, flank; 89, embedded hole; 90, elastic covering
The specific embodiment
The below illustrates embodiments of the present invention with reference to the accompanying drawings.In addition, in the used accompanying drawing, arrow FR represents that vehicle front, arrow UP represent the vehicle top when the following describes.
The vehicle frame 2 of two-wheeled motorcycle 1 shown in Figure 1 comprises: head tube 3, and it consists of the front end of vehicle frame 2; Main car frame 4, it produces bending from head tube 3 to the back lower place after oblique extension and to downward-extension; Vehicle seat support 5L, 5R, it is pair of right and left, extends back from the curve of main car frame 4; Pivot plate 7L, 7R, it is pair of right and left, is installed in the bottom of main car frame 4; Rear vehicle frame 8L, 8R, it is pair of right and left, the oblique extension and be connected to approximate mid-section on the vehicle fore-and-aft direction of vehicle seat support 5L, 5R from pivot plate 7L, 7R to the back upper place.
During side-looking, by vehicle seat support 5L and 5R, the rear side position to downward-extension of main car frame 4, rear vehicle frame 8L and 8R impale regional triangular in shape.In addition, for convenience of description, the parts (such as vehicle seat support 5R etc.) that can't represent in the drawings in the above-mentioned parts are represented with the symbol in the bracket.In the following description, also adopt same method for the parts that can't represent in the drawings.
The front fork 9 that its underpart is supported with front-wheel WF is installed on the head tube 3 and can rotates, and Fuel Tank 10 is installed on the main car frame 4.In addition, it is upper and can swing up and down that swing arm 15 is bearing in pivot plate 7L, 7R.Also have, vehicle seat 16 is bearing on vehicle seat support 5L, the 5R with side, the rear portion protecting component 17 that is located at left side side, rear portion.
Front fork 9 be with the single-piece of pair of right and left fork body 18L, 18R with put the beams in place 19 and the underbeam 20 that is configured in the below of this upper beam 19 be formed by connecting, handlebar 21 is installed on the upper beam 19.Be bearing in the shape all-in-one-piece front shroud 24 such as car light and put the beams in place 19 and the place ahead of underbeam 20.In addition, be bearing in the bottom of front fork 9 from the front fender apron 18f of top covering front-wheel WF.
Swing arm 15 is made of arm member 34L, the 34R of pair of right and left, and trailing wheel WR is bearing in the rearward end of this swing arm 15 and can rotates.The lower end of rear shock absorber unit 36 is installed in the front portion of left side arm member 34L, the upper end of this rear shock absorber unit 36 be installed near main car frame 4 and vehicle seat support 5L, the 5R connecting portion cross-over connection they and on the plate member 23 of being fixed.
Engine Hoisting spare 22 is fixed on the bottom of descending support 6, is supported with the power unit 14 that driving engine 12 and change-speed box 13 consist of by this Engine Hoisting spare 22 and pivot plate 7L, 7R.Driving engine 12 has: crankcase 25, and it is used for receiving the dress bent axle; Cylinder section 26, it is arranged on the top of crankcase 25; Cylinder head 27, it is arranged in the cylinder section 26, and this driving engine 12 is positioned at the below of main car frame 4.
Piston is received and to be contained in the inside of cylinder section 26 and relative sliding with it, and cylinder section 26 is installed on the crankcase 25, and its cylinder-bore axis C1 is oriented to the front upper place of inclination.In addition, the front portion of crankcase 25 is fixed on the Engine Hoisting spare 22, and the rear portion of crankcase 25 is fixed on pivot plate 7L, the 7R.
Air inlet system 40 and exhaust gear 41 are connected on the cylinder head 27 of driving engine 12, and air inlet system 40 has: throttle body 43, and the feeding mechanism that acts as a fuel, it is connected on the rear surface of cylinder head 27 through air inlet pipe 42; Airfilter 45, it is connected on the above-mentioned throttle body 43 through connection pipe 44.
In addition, exhaust gear 41 has: freeing pipe 46, and it is connected on the front surface of cylinder head 27; Silencer 47, it is installed in the rear end of above-mentioned freeing pipe 46.
Fill corresponding parts (not shown) by above-mentioned airfilter 45 receipts, this airfilter 45 is received and is contained in the case of air cleaner as casing that is formed by resin material, in the zone triangular in shape that is impaled by vehicle seat support 5L and 5R, the rear side position to downward-extension of main car frame 4, rear vehicle frame 8L and 8R when above-mentioned airfilter 45 is configured in side-looking.This airfilter 45 is installed on main car frame 4 and vehicle seat support 5L, the 5R etc. through not shown support.
The left and right sides of airfilter 45 is covered by the body cover 38L, the 38R that are formed by resin material of pair of right and left, and body cover 38L, 38R extend back until the rear end of vehicle seat support 5L, 5R from the below of Fuel Tank 10.The rear mudguard 29 that is formed by resin material that tilt to extend to the back lower place is installed in the rear end of vehicle seat support 5L, 5R.
The anterior side of Fuel Tank 10 is covered by the Fuel Tank protective case 80L, the 80R that are formed by resin material of pair of right and left, and during side-looking, Fuel Tank protective case 80L, 80R form L shaped, and its corner part is configured in the place ahead.With reference to Fig. 2 ~ Fig. 4, Fig. 5 ~ Fig. 7, Fuel Tank protective case 80L, 80R have: outer protective cover 81L, 81R, its outer side covers Fuel Tank 10 on the overall width direction; Interior protective case 82L, 82R, it is configured in respectively inboard on the overall width direction of outer protective cover 81L, 81R and links to each other with the front end of outer protective cover 81L, 81R respectively, is used for respectively from the space between the place ahead covering Fuel Tank 10 and outer protective cover 81L, the 81R.
Such as Fig. 5 ~ shown in Figure 7, the top of interior protective case 82L, 82R is interspersed with screw 83, can interior protective case 82L, 82R be fixed on the Fuel Tank 10 when this screw 83 tightens together with the supporting member 84 that is fixed on the front portion of Fuel Tank 10.Be formed with successively 3 stop holes 85 towards the bottom from the leading section of interior protective case 82L, 82R, and the top of protective case 82L, 82R is formed with outstanding support 87 downwards in this, the top of this support 87 has stop hole 86.Outer protective cover 81L, 81R lock on the not shown pin of each stop hole that passes interior protective case 82L, 82R and can be installed on interior protective case 82L, the 82R.
With reference to Fig. 4; outer protective cover 81L, 81R have the circular arc shape that bloats to the overall width direction along the cross-sectional plane on the vehicle fore-and-aft direction (level cross-sectionn); as shown in Figure 2; compare the lower end of Fuel Tank 10; the lower end of outer protective cover 81L, 81R also must be longer to downward-extension, until the side of cylinder head 27.
Such as Fig. 2 ~ shown in Figure 4, be used for accumulating the inboard on the overall width direction of Fuel Tank protective case 80L that charcoal tank 55 from the evaporated fuel of Fuel Tank 10 is configured in the left side.Charcoal tank 55 is communicated with Fuel Tank 10, adsorbs the fuel that also this adsorbent is adsorbed from the evaporated fuel of Fuel Tank 10 derivation by adsorbent and offers the throttle body 43 that is made of air inlet system.
Charcoal tank 55 is cylindric, and its long axis direction is towards the vehicle above-below direction, namely, charcoal tank 55 is configured to its axis C2 along the state of vehicle above-below direction.Here, the said axis C2 that makes charcoal tank 55 means with respect to vertical along the vehicle above-below direction, and axis C2 tilts about 0 degree ~ 30 degree.In the present embodiment, with respect to vertical, axis C2 tilts about 25 degree, and axis C2 is along the descending support 6 from head tube 3 to downward-extension.
Charcoal tank 55 has for the cylindrical portion 56 of receiving the dress adsorbent, for the upper end protection department 57 of the upper end that covers cylindrical portion 56, for the lower end protection department 58 of the bottom that covers cylindrical portion, and charcoal tank 55 is bearing on the outer protective cover 81L.Here; as shown in Figure 8; outer protective cover 81L has and is integral with it and flank 88 that the medial surface on the overall width direction of this outer protective cover 81L highlights; the periphery of charcoal tank 55 has the elastic covering 90 with embedded hole 89; chimeric by flank 88 and embedded hole 89 can be supported charcoal tank 55 by outer protective cover 81L.Embedded hole 89 is formed on the jut 100 that the outside in the radial direction of elastic covering 90 highlights.In addition, be bearing in charcoal tank 55 on the flank 88 and be positioned at inboard corresponding to the position on the limit of the L shaped downside of being configured in of outer protective cover 81L.
With reference to Fig. 4, charcoal tank 55 is configured to its part that is positioned at the outside on the overall width direction and is positioned at the state that also leans on the outside on the overall width direction than the straight line L1 of the front end X that connects outer protective cover 81L and rear end Y.In addition, as shown in the drawing, charcoal tank 55 is configured in than cylinder head 27 and cylinder section 26 also by the position in the outside on the overall width direction.Also have, as shown in Figure 2, charcoal tank 55 is bearing on the outer protective cover 81L, and during side-looking, the lower end of charcoal tank 55 is configured in than on the lower position also, the upper end of cylinder head 27, and the upper end of charcoal tank 55 is configured in the top position also than the lower end 10B of Fuel Tank 10.
Here, as shown in Figure 2, during side-looking, the upper end of charcoal tank 55 is positioned at the roughly dead ahead of throttle body 43.Also have, as shown in Figure 5, comprise the place ahead of charcoal tank 55, cover this charcoal tank 55 by interior protective case 82L from the inboard on the overall width direction.
The pipe arrangement situation of charcoal tank 55 is described below with reference to Fig. 2 ~ Fig. 4.Gargle pipe 64 and adsorption tube 65 are connected on the upper end protection department 57 of charcoal tank 55, and this charcoal tank 55 is connected with throttle body 43 through gargle pipe 64, and this charcoal tank 55 is connected with Fuel Tank 10 through adsorption tube 65.Gargle pipe 64 is drawn backward from charcoal tank 55,, is connected to afterwards on the throttle body 43 by the below of main car frame 4 and cross this main car frame 4 with the state that is approximate horizontal.
On the other hand, adsorption tube 65 upwards draws and inserts the inside of Fuel Tank 10 from charcoal tank 55.Adsorption tube 65 be configured in Fuel Tank 10 in the 67(of gas-liquid separation section of top with reference to Fig. 2) link to each other.The structure that gas-liquid separation section 67 adopts does not offer liquid fuel adsorption tube 65 for for example having sealing element.In addition, the gas-liquid separation section 67 here be configured in Fuel Tank 10 oil-feed port 110 the rear and near this oil-feed port 110.Oil-feed port 110 is cartridge and the state that is configured to insert from the top of Fuel Tank 10 inside of this Fuel Tank 10, and the top of oil-feed port 110 is covered and should can open and close for oil cap 111 for oil cap 111.
In addition, the new gas ingress pipe 68 that is communicated with atmosphere and fuel or water droplet are discharged to outside outer comb 69 are connected on the lower end protection department 58 of charcoal tank 55.New gas ingress pipe 68 is drawn downwards from the inboard of charcoal tank 55 on the overall width direction, and outer comb 69 is drawn downwards from charcoal tank 55, and its lower end is to lower open mouth.
As mentioned above, two-wheeled motorcycle 1 has following structure: be used for accumulating the inboard on the overall width direction that charcoal tank 55 from the evaporated fuel of Fuel Tank 10 is configured in Fuel Tank protective case 80L, charcoal tank 55 is cylindric, and the axis C2 of charcoal tank 55 is along the vehicle above-below direction.In this structure, make the axis C2 of cylindric charcoal tank 55 along the vehicle above-below direction, charcoal tank 55 is configured in the position of close Fuel Tank 10, can reduce like this bending that the pipe arrangement to the end on the axis C2 direction that generally is connected to charcoal tank 55 carries out as far as possible, thereby be easy to this pipe arrangement is configured in Fuel Tank 10 1 sides or under-vehicle, therefore can control the pipe arrangement of charcoal tank 55 shorter as far as possible.
The above has illustrated embodiments of the present invention, but the present invention is not limited to above-mentioned embodiment, can carry out suitable modification to it in the scope that does not break away from its inventive concept.For example in the above-described embodiment, illustrated and adopted the structure that is covered charcoal tank 55 by the Fuel Tank protective case 80L in left side, but also can adopt the structure that is covered charcoal tank 55 by the Fuel Tank protective case 80R on right side.

Claims (6)

1. the charcoal tank configuration structure of a Straddle type vehicle has: Fuel Tank (10), and it is configured on the vehicle frame (4); Fuel Tank protective case (80L) covers the anterior side of this Fuel Tank (10) by it, and being shaped as not only to the overall width direction of this Fuel Tank protective case (80L) bloats and its lower end but also extend to than the lower end of above-mentioned Fuel Tank (10) also on the lower, it is characterized in that,
Be used for accumulating the inboard on the overall width direction that charcoal tank (55) from the evaporated fuel of above-mentioned Fuel Tank (10) is configured in above-mentioned Fuel Tank protective case (80L),
Described charcoal tank (55) is cylindric, and the axis (C2) of this charcoal tank (55) is along the vehicle above-below direction.
2. the charcoal tank configuration structure of Straddle type vehicle according to claim 1 is characterized in that,
Above-mentioned Fuel Tank protective case (80L) along the cross-sectional plane of vehicle fore-and-aft direction, be that the level cross-sectionn has the circular arc shape that bloats to the overall width direction,
Above-mentioned charcoal tank (55) is configured to its at least a portion and is positioned at the state that also leans on the outside on the overall width direction than the straight line of the front-end and back-end that connect above-mentioned Fuel Tank protective case (80L).
3. according to claim 1 or the charcoal tank configuration structure of 2 described Straddle type vehicles, it is characterized in that,
Above-mentioned Fuel Tank protective case (80L) has: outer protective cover (81L), its above-mentioned Fuel Tank of outer side covers (10) on the overall width direction; Interior protective case (82L), it covers the space between above-mentioned outer protective cover (81L) and the above-mentioned Fuel Tank (10) from the place ahead,
Above-mentioned charcoal tank (55) is configured in the space that is impaled by above-mentioned outer protective cover (81L) and above-mentioned interior protective case (82L).
4. the charcoal tank configuration structure of the described Straddle type vehicle of any one is characterized in that according to claim 1 ~ 3,
Above-mentioned Fuel Tank protective case (80L) has and is integral with it and flank (88) that the medial surface on the overall width direction of this Fuel Tank protective case (80L) highlights,
The periphery of above-mentioned charcoal tank (55) has the elastic covering (90) with embedded hole (89),
Chimeric by above-mentioned flank (88) and above-mentioned embedded hole (89) supported above-mentioned charcoal tank (55) by above-mentioned Fuel Tank protective case (80L).
5. the charcoal tank configuration structure of the described Straddle type vehicle of any one is characterized in that according to claim 1 ~ 4,
Driving engine (12) is configured in the below of above-mentioned Fuel Tank (10),
Above-mentioned charcoal tank (55) is configured in the outside on the overall width direction of cylinder (27) of above-mentioned driving engine (12).
6. the charcoal tank configuration structure of Straddle type vehicle according to claim 5 is characterized in that,
During side-looking, the lower end of above-mentioned charcoal tank (55) is configured in than on the lower position also, the upper end of above-mentioned cylinder (27), and the upper end of above-mentioned charcoal tank (55) is configured in than top position also, the lower end of above-mentioned Fuel Tank (10).
CN201210332595.1A 2011-09-28 2012-09-10 Carbon canister configuration structure of riding type vehicle Active CN103029780B (en)

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JP2011211712A JP5721599B2 (en) 2011-09-28 2011-09-28 Canister layout for saddle riding type vehicles

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