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Motorcycle having evaporating fuel treatment apparatus

A technology for evaporating fuel and motorcycles, applied to bicycle accessories, transportation and packaging, gasoline barrels, etc., to achieve the effects of improving adsorption efficiency, increasing emission efficiency, and increasing degrees of freedom

Active Publication Date: 2013-04-03
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the adsorption and emission performance of the canister for evaporated fuel is easily affected by the following factors: heat emitted from the internal combustion engine or exhaust pipe, external ambient temperature, direct sunlight, and wind generated by driving, so it is difficult to configure the canister as A state that both improves its performance and saves space

Method used

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  • Motorcycle having evaporating fuel treatment apparatus
  • Motorcycle having evaporating fuel treatment apparatus
  • Motorcycle having evaporating fuel treatment apparatus

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Embodiment Construction

[0039] The following is based on Figure 1~Figure 8 A two-wheeled motorcycle in one embodiment of the present invention will be described.

[0040] In addition, the front-back, left-right, up-down direction in this specification is a direction based on the two-wheeled motorcycle in an Example.

[0041] Such as figure 1 As shown, the frame 2 of the two-wheeled motorcycle 1 includes: a head tube 3, on which a steering shaft 11 is supported and capable of steering operation, and the front wheel 10 is supported by the steering shaft 11; a main frame 4, which has The front part 4a and the rear part 4b, the front part 4a extends slightly obliquely from the upper part of the head pipe 3 to the rear and the lower part, the rear part 4b is connected to the front part 4a and extends downward in a changed direction; Extending obliquely downward; seat bracket 6, which is a pair of left and right, which extends from the rear of the front part 4a of the main frame 4 toward the rear upward...

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Abstract

The invention provides a motorcycle including an evaporating fuel treatment apparatus arranged so as to improve an evaporating fuel treatment performance of an evaporating fuel storage container while achieving a space-saving. The motorcycle includes: a vehicle body frame (2) including a head pipe (3) configured to axially support a steering shaft (11), a main frame (4) extending rearwardly and downwardly from the head pipe, and a down tube (5) extending downwardly from the head pipe; an internal combustion engine (20) supported by the vehicle body frame and having a cylinder (22) extending upward from a crankcase; a fuel tank (35) arranged on the upper side of the main frame (4); and an air-intake apparatus (30) configured to supply air to the internal combustion engine, wherein an evaporable fuel storage container (41) configured to store evaporating fuel generated in the fuel tank of the motorcycle and supply the evaporating fuel to the air-intake apparatus when the internal combustion engine is in operation is arranged in a space on a lower side of the fuel tank and on a front or on an upper side of the cylinder of the internal combustion engine on an upper rear of the down tube.

Description

technical field [0001] The present invention relates to an arrangement structure of an evaporated fuel processing device of a motorcycle. Background technique [0002] Conventionally, there is a motorcycle in which a canister is disposed on the vehicle body (for example, see Patent Document 1). The canister is used as an evaporated fuel accumulator of an evaporated fuel processing device for the motorcycle. When parking, use the evaporation fuel treatment device to prevent the evaporated fuel evaporated in the fuel tank from diffusing into the atmosphere, use the carbon canister to adhere to the fuel, and use the negative pressure of the engine intake system when the engine starts to work to remove the fuel from the carbon The attached fuel is sucked out of the tank and burned in the internal combustion engine. [0003] Structurally, since there is less space available on the two-wheeled motorcycle, the degree of freedom in the arrangement of the canister as an evaporated f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62J37/00
CPCB62J37/00
Inventor 芦田直裕
Owner HONDA MOTOR CO LTD
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