Vapor recovery jet pump

Details Vapor recovery jet pump Vapor recovery jet pump

1980-04-28

1982-06-29

Schmidt, Frederick R.

Fluent material handling, with receiver or receiver coacting mea

Diverse fluid containing pressure filling systems involving...

Filling with exhausting the receiver

137202, 141206, 141301, B65B 318, B65B 5714

Patent

active

043368301

ABSTRACT:
A liquid jet gas pump providing suction to recover vapor through a line connected to dispensing nozzle, the pump having chambers for collecting liquid carried by returning vapor and a float therein so that the float, when the amount of liquid collected in the chambers becomes too great, blocks the suction path through the pump thereby shutting off the dispensing nozzle. The pump also has an internal connection from a diaphragm chamber to an internal area which is substantially at atmospheric pressure during pump operation thereby eliminating the need for an access vent from the diaphragm chamber to the atmosphere.

REFERENCES:
patent: 3996977 (1976-12-01), Hansel
patent: 4062384 (1977-12-01), Frahm et al.
patent: 4095626 (1978-06-01), Healey

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