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
CN103010355AActive Publication Date: 2013-04-03HONDA MOTOR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HONDA MOTOR CO LTD
Publication Date
2013-04-03

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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.
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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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