Vapor recovery system

Details Vapor recovery system Vapor recovery system

1989-04-07

1990-07-31

Nozick, Bernard

Gas separation

Means within gas stream for conducting concentrate to collector

55387, 123519, 137613, 220 86R, 220 85VS, 220 85VR, B01D 5300

Patent

active

049447793

ABSTRACT:
A vapor handling system includes an overfill shut-off valve to provide protection for the canister from exposure to liquid fuel during a tank overfill condition which may be caused by a malfunction of a refueling nozzle. A system is provided for automatically assisting in opening the overfill shut-off valve at the conclusion of the tank refilling process to reestablish fluid communication between a fuel tank and a vapor recovery canister so that adequate fuel vapor venting from the tank to the canister can occur. The overfill shut-off valve is configured to block such fluid communication by closing a venting passageway interconnecting the tank and the canister.

REFERENCES:
patent: 4706708 (1987-11-01), Fornato et al.
patent: 4809863 (1989-03-01), Woodcock et al.
patent: 4816045 (1989-03-01), Szlaga et al.

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