Motor-operated pump of in-tank type

Details Motor-operated pump of in-tank type Motor-operated pump of in-tank type

1990-08-28

1992-01-14

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310239, H01R 3940, H02K 514

Patent

active

050813862

ABSTRACT:
A motor-operated pump of the in-tank type has a driving motor with a commutator; a bracket covering one end of the motor adjacent to the commutator; a brush held against the commutator through a through hole formed in the bracket; an electrical noiseprevention element in a bottomed hole formed in the bracket, and electrically connected to the brush; and a terminal electrically connected to the electrical noiseprevention element. A brush spring-holder plate is fitted in the bracket for holding a brush spring urging the brush. An outer cover is fitted on the bracket for covering the bracket and the brush spring-holder plate.

REFERENCES:
patent: 3836291 (1974-09-01), Bottcher et al.
patent: 3870910 (1975-03-01), Fussner
patent: 4118647 (1978-10-01), Brenner et al.
patent: 4354128 (1982-10-01), Chew et al.
patent: 4673837 (1987-06-01), Gingerich et al.
patent: 4816712 (1989-03-01), Tanaka
patent: 4896067 (1990-01-01), Walther
patent: 4978876 (1990-12-01), Koster

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