Starter with multi-layered brush structure

Details Starter with multi-layered brush structure Starter with multi-layered brush structure

1996-05-24

1998-01-27

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

310251, 310237, 310245, H02K 1300, H02K 1310

Patent

active

057125228

ABSTRACT:
In an armature of a starter motor, commutator bars are formed by bending one end portions of upper layer armature conductors toward the inner circumferential side in the radial direction along an axial end surface of an armature core. A brush which slidably contacts commutator bars is constructed in a multi-layered type comprised of two kinds of brush materials each having different specific resistance layered in a rotational direction of the armature.

REFERENCES:
patent: 554369 (1896-02-01), Loomis
patent: 1416256 (1922-04-01), Borger
patent: 2613239 (1952-10-01), Lundy
patent: 3456143 (1969-07-01), Uemura et al.
patent: 4573364 (1986-03-01), Givan
patent: 4852417 (1989-08-01), Tanaka
patent: 5023466 (1991-06-01), Isozumi
patent: 5508566 (1996-04-01), Nagao et al.

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