Valve means, in particular for returning fuel vapor

Details Valve means, in particular for returning fuel vapor Valve means, in particular for returning fuel vapor

1992-06-17

1993-12-07

Rivell, John

Valves and valve actuation

With material guide or restrictor

Movable or resilient guide or restrictor

251282, 251291, 2513353, F16K 4708

Patent

active

052677214

ABSTRACT:
The present invention relates to a proportional valve, in particular for fuel dispensing systems, to recover fuel vapor to the gas station tank. According to the invention the valve member is defined by a tandem piston arrangement to increase safety and accuracy in controlling the vapor volume to be recovered. The invention further relates to a valve arrangement for fuel dispensing systems having a plurality of fuel nozzles.

REFERENCES:
patent: Re25251 (1962-10-01), Quail
patent: 600249 (1898-03-01), Parsells
patent: 1153681 (1915-09-01), Fulton
patent: 1861916 (1932-06-01), Hennebohle
patent: 2617621 (1952-11-01), Hobbs
patent: 3179123 (1965-04-01), Kowalski et al.
patent: 3304048 (1967-02-01), Roberts
patent: 3368791 (1968-02-01), Wells
patent: 3985333 (1976-10-01), Paulsen
patent: 4295505 (1981-10-01), Hasselmann et al.
patent: 4662605 (1987-05-01), Garcia
patent: 4860715 (1989-08-01), Hiraku et al.

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