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Three-way valve for automobile canister

A three-way valve and carbon canister technology, applied in multi-way valves, valve devices, adding non-fuel substances to fuel, etc., can solve the problems of carbon canister water intake, affecting the adsorption capacity of activated carbon, pipeline blockage, etc. The effect of blocking the road, avoiding water in the carbon canister, and convenient connection

Inactive Publication Date: 2010-11-10
ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this will easily lead to blockage of some outlet pipes or water inflow to the carbon tank, and it is easy to bring impurities in the air into the carbon tank when inhaling, which will affect the adsorption capacity of activated carbon.

Method used

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  • Three-way valve for automobile canister
  • Three-way valve for automobile canister

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Embodiment Construction

[0021] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0022] Such as figure 1 As shown, the three-way valve of the car canister is installed at the outlet of the car canister, and the other opening of the car canister is connected to the fuel system. Due to the limitation of the working capacity of the canister, when the canister is saturated, it needs to be The fuel vapor is led out of the vehicle through the three-way valve. The three-way valve of the car carbon canister includes a valve body 1, which is provided with an interface 11 for connecting with the carbon canister and an interface 2 12 for discharging fuel vapor, and a check valve is provided in the interface 2 12 One 2, the check valve one 2 can only allow the fuel vapor in the valve body 1 to discharge, but the ...

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Abstract

The invention provides a three-way valve for an automobile canister, belongs to the technical field of valves, and solves the problem of partial pipeline blockage or canister flooding when the conventional canister directly discharges fuel vapor. The three-way valve for the automobile canister comprises a valve body, wherein the valve body is provided with three communicated interfaces, namely an interface 1, an interface 2, and an interface 3; the interface 1 is connected with the canister; the interface 2 is provided with a one-way valve 1 which only discharges air pressure introduced from the interface 1 through the interface 2; the interface 3 is provided with a one-way valve 2 which only allows ambient pressure to enter the interface 1 from the interface 3; and the starting air pressure required by the one-way valve 2 is less than that required by the one-way valve 1. The three-way valve for the automobile canister can effectively solve the problems of pipeline blockage and canister flooding.

Description

technical field [0001] The invention belongs to the technical field of valves, and relates to a three-way valve, in particular to a three-way valve used for automobile carbon tanks. Background technique [0002] In the car, the function of the activated carbon canister is to prevent the fuel vapor in the fuel tank from volatilizing into the atmosphere and polluting the environment. At the same time, it collects the fuel vapor and enters the intake pipe in good time. After being mixed with air, it enters the engine for combustion to improve fuel economy. In addition, as the amount of fuel in the fuel tank decreases, when the pressure in the fuel tank decreases to a certain level, air will enter the fuel tank through the activated carbon tank to compensate for the pressure in the fuel tank. [0003] At present, most cars install the activated carbon canister in the front compartment of the car, so that the position of the vent hole is higher, which is beneficial to protect the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M25/08F16K11/10
Inventor 张振兴丁勇杨安志金吉刚翟洪军赵瑞坡李书福杨健赵福全
Owner ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD
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