Rotary kinetic fluid motors or pumps – With means for re-entry of working fluid to blade set – Turbine regenerative pump
Patent
1995-12-13
1996-12-03
Look, Edward K.
Rotary kinetic fluid motors or pumps
With means for re-entry of working fluid to blade set
Turbine regenerative pump
415 555, 415 556, F04D 500
Patent
active
055802133
ABSTRACT:
A motor vehicle fuel pump including an electric motor, a high pressure pump, and a low pressure pump having a side channel pumping stage for pumping fuel from a fuel tank to a reservoir and a regenerative turbine pumping stage for pumping fuel from the reservoir to the high pressure pump. A pair of radial vapor ports are disposed between an inside diameter of a pump channel of the turbine pumping stage and an outside diameter of a concentric, radially inboard pump channel of the side channel pumping stage at a discharge port of the pump channel of the side channel pumping stage. Liquid fuel with entrained vapor near the inside diameter of the pump channel of the turbine pumping stage is aspirated through the radial vapor ports into the discharge port of the pump channel of the side channel pumping stage by liquid fuel flowing in the pump channel of the side channel pumping stage.
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Hantle, deceased Edward A.
Harris David E.
Woodward Orrin A.
General Motors Corporation
Lee Michael S.
Look Edward K.
Schwartz Saul
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