Vapor controlled fuel dispensing nozzle attachment

Details Vapor controlled fuel dispensing nozzle attachment Vapor controlled fuel dispensing nozzle attachment

1994-08-12

1996-04-23

Jacyna, J. Casimer

Fluent material handling, with receiver or receiver coacting mea

Automatic control of flow cutoff or diversion

Level or overflow responsive

141392, B67D 532

Patent

active

055094520

ABSTRACT:
An improved vapor recovery system for a fuel dispensing nozzle having an automatic shut-off. The improvement includes a lockout for activating the automatic shut-off, an activating collar having one end adjacent to the lock-out and able to engage the lock-out when the nozzle is dispensing fuel, and a seal enclosing the lock-out and the collar, the seal having (i) a cup-shaped portion at end that fits over and circumferentially around the fuel inlet while the nozzle is dispensing fuel, (ii) a middle portion that compresses while the nozzle is dispensing fuel, and (iii) an interior constriction that engages the end of the collar opposite of the lock-out so as to prevent back splashed fuel from entering the portion of the seal enclosing the collar.

REFERENCES:
patent: 3815327 (1974-06-01), Viland
patent: 3982571 (1976-09-01), Fenton et al.
patent: 4003415 (1977-01-01), Lasater
patent: 4697624 (1987-10-01), Bower et al.
patent: 5085258 (1992-02-01), Fink, Jr. et al.
patent: 5121777 (1992-06-01), Leininger et al.

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