Starter with thermal insulation cover

Details Starter with thermal insulation cover Starter with thermal insulation cover

1997-04-09

1999-01-19

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 51, 310 59, 310 64, 310 67R, H02K 500, H02K 524

Patent

active

058616918

ABSTRACT:
In a starter having a motor yoke, a housing and an end frame forming a cylindrical starter frame, a cylindrical thermal insulation cover is fitted around the starter frame through rubber-made elastic rings. The rings are tightly fitted in V-shaped grooves formed circumferentially on fitting faces, one being between the housing and the yoke and the other being between the yoke and the end frame. Each ring is pressed radially inward by a large diameter part of the thermal insulation cover to fill in the V-shaped groove and contact the fitting face. Further, in a motor for the starter, a resilient plate sheet is disposed between a commutator and a brush holder to return a brush passing therethrough to the original position when the brush tends to move during sliding contact with the commutator.

REFERENCES:
patent: 4117359 (1978-09-01), Wehde
patent: 4626724 (1986-12-01), Morishita et al.
patent: 4737673 (1988-04-01), Wrobel
patent: 5233248 (1993-08-01), Kawamura et al.
patent: 5235227 (1993-08-01), Fazekas
patent: 5334897 (1994-08-01), Ineson et al.
patent: 5530304 (1996-06-01), Mirumachi et al.
patent: 5616973 (1997-04-01), Khazannov et al.

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