Fuel evaporation control method of car, fuel evaporation control system of car and car
A control method and technology of the control system, which are applied to the charging system, engine components, machines/engines, etc., can solve the problems of work capacity attenuation, impact on service life, and high frequency of use
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[0033] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0034] Only the fuel evaporation pipeline between the fuel tank and the engine is shown in the accompanying drawings of the present invention, and other irrelevant pipelines and components are not shown.
[0035] The present invention is a kind of fuel evaporation control method of automobile, and this automobile comprises engine 1, carbon canister 2 and fuel tank 3, and wherein, this method comprises:
[0036] Detect the pressure of the gasoline vapor in the fuel tank 3, when the pressure value is greater than the upper limit, the fuel tank 3 is communicated with the carbon canister 2, at this time, the gasoline vapor can enter the carbon tank from the fuel tan...
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