Fuel pumping unit, with a plurality of commutator brush...

Details Fuel pumping unit, with a plurality of commutator brush... Fuel pumping unit, with a plurality of commutator brush...

2006-03-21

2006-03-21

Thorpe, Timothy S. (Department: 3746)

Pumps

Motor driven

Electric or magnetic motor

C417S423300, C417S423100, C310S248000, C310S242000, C310S239000, C310S245000

Reexamination Certificate

active

07014432

ABSTRACT:
A fuel pump includes a housing, a pump section, a motor section including a commutator, a cover disposed at one end of the housing, a pair of brushes disposed in a pair of brush holes formed in the cover to be in contact with the commutator; and a pair of brush springs, disposed in a pair of spring holes formed in the cover, and an engaging member for restricting the brushes to move toward the motor section.

REFERENCES:
patent: 3392295 (1968-07-01), Sebok
patent: 3871797 (1975-03-01), Igarashi et al.
patent: 4475053 (1984-10-01), Mayer
patent: 5064342 (1991-11-01), Iwai
patent: 5081386 (1992-01-01), Iwai
patent: 5123809 (1992-06-01), Ito
patent: 5141410 (1992-08-01), Fujii
patent: 5481150 (1996-01-01), Tanaka et al.
patent: 6617745 (2003-09-01), Reinartz et al.
patent: 2004/0017126 (2004-01-01), Laurandel et al.

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