Small size electric motor with housing provided with opening

Details Small size electric motor with housing provided with opening Small size electric motor with housing provided with opening

1992-05-18

1994-08-30

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310242, 310245, H02K 514, H02K 1300

Patent

active

053431065

ABSTRACT:
A small size electric motor has a housing having an opening, a heat conductive bearing shield arranged to close the opening, a commutating device provided with commutator brushes in the housing. The bearing shield has a first guiding wall and at least one second guiding wall arranged at a distance from one another for guiding the commutator brushes. A heat conductive isolating layer is located between the guiding walls and the commutator brushes which are guided on the guiding walls with a small play.

REFERENCES:
patent: 3824416 (1974-07-01), van de Griend
patent: 4118647 (1978-10-01), Brenner et al.
patent: 4246508 (1981-01-01), Zimmer
patent: 4355253 (1982-10-01), Vollbrecht
patent: 4475053 (1984-10-01), Mayer
patent: 4698540 (1987-10-01), McKee
patent: 4758757 (1988-07-01), Okumura

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