Dispensing – Automatic control – Constant weight – volume or pressure control by output
Patent
1998-05-28
1999-08-10
Jacyna, J. Casimer
Dispensing
Automatic control
Constant weight, volume or pressure control by output
222 63, B67D 500
Patent
active
059345080
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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Examination Report dated Jul. 15, 1998, 3 pages.
Kenney Donald P.
Triezenberg David M.
FE Petro Inc.
Jacyna J. Casimer
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