Two stage pump having an electromotor device

Details Two stage pump having an electromotor device Two stage pump having an electromotor device

1977-05-16

1982-06-22

Gluck, Richard E.

Pumps

Diverse pumps

Including rotary nonexpansible chamber type

417205, 417366, 417251, F04B 2314

Patent

active

043360025

ABSTRACT:
There is described a pump assembly which, in a unitary structure, comprises an electric pump drive motor and a two stage pump contained within a common housing. The motor drives the first stage of the pump upstream of the second stage which supplies the fuel, by creating a higher output from the first stage, which supply pressure is produced on the suction side of the second stage to maintain the pressure build-up in the pump. An air discharge is provided ahead of the inlet to the suction side of the second stage to dispell gases created in the fuel by the elevated pump pressures.

REFERENCES:
patent: Re29445 (1977-10-01), Nusser et al.
patent: 2055587 (1936-09-01), Pigott
patent: 2153360 (1939-04-01), Auger et al.
patent: 3836291 (1974-09-01), Bottcher et al.

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