Unified fuel pump assembly

Details Unified fuel pump assembly Unified fuel pump assembly

1993-10-25

1995-05-09

Gluck, Richard E.

Pumps

One fluid pumped by contact or entrainment with another

Contact or entrainment within rotary impeller

417203, 417205, 417350, F04C 1900, F04R 2314

Patent

active

054134668

ABSTRACT:
A unified fuel pump assembly combines a vane-type pump and a booster stage for the inlet of the vane-type pump, in a unitary structure to substantially reduce "windage" losses caused by relatively moving parts. The unified structure also includes an electric motor subassembly to provide motive power, and a liquid ring pump, which helps to process air bubbles through the fuel pump, is coupled to the electric motor rotor to further avoid "windage" losses. The vane type pump relies on the use of a central shaft capable of having a substantially uniform and relatively large diameter from end to end.

REFERENCES:
patent: 2134686 (1938-11-01), De Lancey
patent: 3026810 (1962-03-01), Kubiak et al.
patent: 3107626 (1963-10-01), Thoren et al.
patent: 3141416 (1964-07-01), Bolan et al.
patent: 3518028 (1970-06-01), Minick
patent: 5061151 (1991-10-01), Steiger
patent: 5078573 (1992-01-01), Peroaho et al.

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