Vapor pressure control system

Details Vapor pressure control system Vapor pressure control system

1996-08-29

1997-10-14

Moulis, Thomas N.

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

137587, F02M 3302

Patent

active

056761163

ABSTRACT:
The present invention relates to a vapor pressure control system which include a canister containing activated carbon therein, a tank pressure sensor connected to a fuel tank to sense internal vapor pressure of the fuel tank, a control valve mounted in a path from the fuel tank to the canister to control the internal vapor pressure of the fuel tank, and a cut valve mounted below a filler cap to lead the vapor flowing backward from the fuel tank to the canister, so that vehicles can have vapor stability and reduce air pollution.

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patent: 5477836 (1995-12-01), Hyodo et al.
patent: 5497800 (1996-03-01), Ohashi et al.

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