Fuel dispensing nozzle

Details Fuel dispensing nozzle Fuel dispensing nozzle

1994-09-30

1996-10-08

Recla, Henry J.

Fluent material handling, with receiver or receiver coacting mea

Automatic control of flow cutoff or diversion

Level or overflow responsive

141 59, 141308, 141392, 141DIG1, B65B 3100

Patent

active

055621333

ABSTRACT:
A vacuum assist nozzle with a vapor recovery system is provided with an automatic vapor return shut-off mechanism to turn off or disable the nozzle's vapor recovery system when the nozzle is placed in the fill pipe of a vehicle having an on-board vapor recovery system. The nozzle includes a diaphragm valve placed in the nozzle's vapor flow path. The diaphragm nozzle control chamber is placed in communication with the vapor flow path. A vent tube, which forms the vapor flow path in the spout, includes a tip valve at the end thereof. The tip valve is magnetically operated, and is responsive to the presence of a magnetic field in the vehicle's fill neck, to enable or disable the vapor recovery system of the nozzle.

REFERENCES:
patent: 3148713 (1964-09-01), Jones, Jr.
patent: 3603359 (1971-09-01), Belue
patent: 4058147 (1977-11-01), Stary et al.
patent: 4068687 (1978-01-01), Long
patent: 4351375 (1982-09-01), Polson
patent: 4429725 (1984-02-01), Walker et al.
patent: 4649970 (1987-03-01), Bower et al.
patent: 4809753 (1989-03-01), Fink, Jr.
patent: 5052429 (1991-10-01), Yoo

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