Permanent magnetic field starter motor

Details Permanent magnetic field starter motor Permanent magnetic field starter motor

1998-06-11

1999-10-19

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

H01R 3938

Patent

active

059694580

ABSTRACT:
In a permanent magnet field starter motor, a ring shaped enlarged portion is formed at an end of a yoke and has an inner diameter Da which is larger than an inner diameter of the yoke. The inner diameter Da of the enlarged portion is at least as large as an outer diameter Db of a brush member holder plate which is inserted to an inner side of the enlarged portion, so that the radial position between the yoke and the brush member holder plate is directly aligned. A cut-out groove is formed on the yoke for inserting a bush member. The bush member is inserted into the cut-out groove, so that a thrust direction position of an outside portion lead wire, a lead terminal, and a lead wire is determined. A projection formed on the brush member holder plate has a width Wb which is at least as large as the width Wa of the cut-out groove. By inserting projection into the cut-out groove, the circumferential position between the yoke and the brush member holder plate is aligned.

REFERENCES:
patent: 4694214 (1987-09-01), Stewart, Sr.
patent: 5006747 (1991-04-01), Stewart, Sr.
patent: 5113104 (1992-05-01), Blaettner et al.
patent: 5159222 (1992-10-01), Southall
patent: 5610467 (1997-03-01), Shiah et al.

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