Fluid handling – With indicator – register – recorder – alarm or inspection means – Liquid level responsive indicator – recorder or alarm
Patent
1995-05-03
1998-01-13
Rivell, John
Fluid handling
With indicator, register, recorder, alarm or inspection means
Liquid level responsive indicator, recorder or alarm
137202, 141 95, F61K 3700, F61K 2404
Patent
active
057068577
ABSTRACT:
A vent valve assembly is provided which will allow a probe for a gauging system to be added to underground fuel tanks which include a vapor recovery system. The support assembly replaces existing float valve assemblies and combines a valving structure with a support for a fuel system gauge probe. A gauging system may be easily and inexpensively added to existing underground fuel tanks with minimum disruption to the operation of the gas station.
REFERENCES:
patent: 1406196 (1922-02-01), La Londe
patent: 2243262 (1941-05-01), Smith
patent: 2625169 (1953-01-01), Parrish
patent: 2812772 (1957-11-01), Moore
patent: 3736950 (1973-06-01), Smallwood
patent: 4036255 (1977-07-01), Wilson
patent: 4079743 (1978-03-01), Weston
patent: 5427137 (1995-06-01), Bowen
patent: 5515891 (1996-05-01), Langlois
Dowling, Jr. Edward J.
Esperson Donald C.
Staab Robert F.
Arizona Instruments Inc.
Rivell John
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