Dispensing – Volume or rate of flow metering
Patent
1989-12-04
1991-01-22
Huppert, Michael S.
Dispensing
Volume or rate of flow metering
137560, 25112915, 222504, B67D 516
Patent
active
049864459
ABSTRACT:
A gasoline dispenser system includes a housing with a first enclosure providing a safe area for mounting electrical apparatus, a second enclosure providing a hazaradous area for mounting fuel carrying apparatus, an air gap vapor barrier separating the first and second enclosures, at least one bifurcated electromechanical valve for controlling gasoline flow, having a solenoid winding mounted within the first enclosure, and a valve body mounted within the second enclosure, with a control rod connected from the solenoid winding, through the air gap, to a plunger or control device within the valve body, and with an elastomeric seal about the control rod for secondary sealing where it enters the second enclosure, for substantially preventing gasoline fumes from escaping from the second enclosure into the air gap.
REFERENCES:
patent: 2573112 (1951-10-01), Schneckenburger
patent: 3254795 (1966-06-01), Mackie
patent: 3773219 (1973-11-01), Irie et al.
patent: 3871503 (1975-03-01), Greenwood
patent: 3935435 (1976-01-01), Greenwood
patent: 4162027 (1979-07-01), Howard et al.
patent: 4198374 (1980-04-01), Arnaud et al.
patent: 4576312 (1986-03-01), Swick, Jr.
patent: 4934565 (1990-06-01), Heisey et al.
McMordie James R.
McSpadden John S.
Smith Leon B.
Young Harold R.
Bomberg Kenneth
Gilbarco Inc.
Huppert Michael S.
Watov Kenneth
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