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Multi-stage internal gear/turbine fuel pump

United States Patent Application

*** PATENT GRANTED ***
20020187051
6,758,656
A1
View the Complete Application at the US Patent & Trademark Office
A multi-stage internal gear/turbine fuel pump for a vehicle includes a housing having an inlet and an outlet and a motor disposed in the housing. The multi-stage internal gear/turbine fuel pump also includes a shaft extending axially and disposed in the housing. The multi-stage internal gear/turbine fuel pump further includes a plurality of pumping modules disposed axially along the shaft. One of the pumping modules is a turbine pumping module and another of the pumping modules is a gerotor pumping module for rotation by the motor to pump fuel from the inlet to the outlet.
Maier, Eugen (Clarkston, MI), Raney, Michael Raymond (Mendon, NY)
10/ 126,190
April 19, 2002
[0002] The present invention was made with government support under Government Contract No. DE-FC02-99EE50573 awarded by the United States Department of Energy. The government has certain rights in this invention.