Vapor recovery system for fuel dispenser

Details Vapor recovery system for fuel dispenser Vapor recovery system for fuel dispenser

1990-05-21

1991-08-20

Cusick, Ernest G.

Fluent material handling, with receiver or receiver coacting mea

Diverse fluid containing pressure filling systems involving...

Filling with exhausting the receiver

141 83, 141 45, 141 51, B65B 3100

Patent

active

050405772

ABSTRACT:
A system for recovering vapor and liquid emerging from a tank as it is being filled, in which the volumetric flow of a recovery pump that withdraws the vapor through a recovery tube is made equal to the volumetric flow of a fuel delivery pump with a microprocessor. The microprocessor can also modify the volumetric flow of the recovery pump in response to variations in the hydraulic pressure at the inlet side of the recovery pump.

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