Variable speed pump-motor assembly for fuel dispensing system

Details Variable speed pump-motor assembly for fuel dispensing system Variable speed pump-motor assembly for fuel dispensing system

1997-08-19

1998-06-23

Jacyna, J. Casimer

Fluent material handling, with receiver or receiver coacting mea

Diverse fluid containing pressure filling systems involving...

Filling with exhausting the receiver

141 94, 141 98, 222 55, 222 63, B67D 500

Patent

active

057691347

ABSTRACT:
A pumping system for use in a fuel service station including one or more fuel dispensers, a fuel storage tank and conduits connecting the fuel dispensers with the tank. The pumping system comprises a variable speed pump-motor assembly for pumping fuel from the storage tank to the conduit and the dispensers, and a control connected to the pump-motor assembly for holding the fuel pressure in a preset range. Preferably the range is that required for efficient operation of a vapor recovery system, or other requirement by the EPA or by another agency, or by a service station operator. The control includes sensors which respond to the pressure in the conduits leading to the fuel dispensers. The sensors may comprise, for example, a pressure sensor in the conduit, or they may comprise power consumption sensors connected to the electrical power supply for the variable speed pump-motor assembly.

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