Rotary kinetic fluid motors or pumps – With means for re-entry of working fluid to blade set – Turbine regenerative pump
Patent
1993-10-04
1994-05-10
Look, Edward K.
Rotary kinetic fluid motors or pumps
With means for re-entry of working fluid to blade set
Turbine regenerative pump
415 552, 415 557, F04D 500
Patent
active
053103084
ABSTRACT:
An automotive fuel pump has a pump housing encasing a rotary pumping element which forms two non-communicating chambers comprising an inlet chamber in communication with a fuel inlet and an outlet pumping chamber in communication with a fuel outlet. The rotary pumping element has a ring portion along an outer circumference, a plurality of vanes around an inner circumference radially inward of the ring portion, and a plurality of axially extending fuel flow passages located radially between the plurality of vanes and the ring portion. Fuel passes from the fuel inlet to the outlet pumping chamber and from the inlet pumping chamber to the fuel outlet through the fuel flow passages in the rotary pumping element.
REFERENCES:
patent: 1640591 (1927-08-01), Borneman
patent: 3324799 (1967-06-01), Terrano
patent: 3658444 (1972-04-01), Rhodes et al.
patent: 3685287 (1972-08-01), Dooley
patent: 3694101 (1972-09-01), Rumsey
patent: 3720372 (1973-03-01), Jacobs
patent: 4678395 (1987-07-01), Schweinfurter
patent: 4854830 (1989-08-01), Kozawa et al.
patent: 4872806 (1989-10-01), Yamada et al.
Brockner Henry W.
Yu Dequan
Ford Motor Company
Kelley David B.
Lee Miachael S.
Look Edward K.
May Roger L.
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