Vent control valve attached to fuel filler tube

Details Vent control valve attached to fuel filler tube Vent control valve attached to fuel filler tube

1988-08-08

1990-05-22

Cusick, Ernest G.

Fluent material handling, with receiver or receiver coacting mea

Diverse fluid containing pressure filling systems involving...

Filling with exhausting the receiver

141 46, 141301, 220 85VS, 220 85VR, 123519, 55387, 137588, B65B 3100

Patent

active

049269143

ABSTRACT:
A vent control valve for controlling fuel vapor flow from a fuel tank to a vapor storage canister during fuel supply to the fuel tank. The vent control valve is fixedly attached to a fuel filler tube and formed therein with first and second chambers. The first and second chambers are located side by side on an immaginary plane along the fuel filler tube. The first and second chambers are communicated respectively with the fuel tank and the vapor storage canister. A valve mechanism is provided between the first and second chambers and adapted to cause the first and second chambers to communicate with each other so as to allow fuel vapor in the fuel tank to flow into the vapor storage canister, when opened. The valve mechanism is opened when a fuel supply gun is inserted into the fuel filler tube to supply fuel into the fuel tank.

REFERENCES:
patent: 4630749 (1986-12-01), Armstrong et al.
patent: 4706708 (1987-11-01), Fornuto et al.
patent: 4715509 (1987-12-01), Ito et al.
patent: 4719949 (1988-01-01), Mears
patent: 4765504 (1988-08-01), Sherwood et al.
patent: 4809863 (1989-03-01), Woodcock et al.
patent: 4809865 (1989-03-01), Mori et al.

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