Fuel supply pump

Details Fuel supply pump Fuel supply pump

1979-12-14

1981-10-20

Gluck, Richard E.

Pumps

Diverse pumps

Including rotary nonexpansible chamber type

417205, 417368, 417420, F02M 3708, F04B 2314, F04B 1700

Patent

active

042957974

ABSTRACT:
A fuel supply pump is proposed where the pumping system comprises two individual pumping stages connected in seriatim and are both driven by the motor armature of an electromotor located in a common housing, and further where the drive of the pumping stage adjacent to the electromotor is accomplished by means of a contactless coupling assembly including permanent magnets fixed in the hub areas of the rotating parts of the adjacently disposed pumping stages. In a further preferred embodiment of the invention the permanent magnets are operatively associated by being in radial alignment but not in contact with each other and are separated in a pressure-tight manner by means of a rigid flange-like element inside the housing of the fuel supply assembly.

REFERENCES:
patent: 2055587 (1936-09-01), Pigott
patent: 3873243 (1975-03-01), Nusser et al.
patent: 3897179 (1975-07-01), Fussner et al.
patent: 4111614 (1978-09-01), Martin
patent: 4120618 (1978-10-01), Klaus

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