Lift pump for filter module

Details Lift pump for filter module Lift pump for filter module

1996-04-19

1999-06-29

Freay, Charles G.

Pumps

Condition responsive control of pump drive motor

By control of electric or magnetic drive motor

417 53, 417313, F04B 4906

Patent

active

059159260

ABSTRACT:
A fuel filter assembly of modular form is adapted to incorporate a lift pump or an automatic primer. The lift pump is mounted to the filter base by means of a lock ring. Fuel supplied to the filter base inlet is supplied to a rotary vane-type or gerotor pump which may be electrically activated from the vehicle console or a location remote from the fuel filter assembly. The lift pump regulates the fuel pressure to provide a sufficient fuel flow through the supply system and the filter for ultimate delivery to the fuel injection pump or engine. The pump/filter flow sequence is bi-directional and may be selected by the angular position of an adapter.

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patent: 5474676 (1995-12-01), Janik et al.
patent: 5511957 (1996-04-01), Tuckey et al.
patent: 5578221 (1996-11-01), Janik
patent: 5614091 (1997-03-01), Janik et al.

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