Starter with brush cooling structure

Details Starter with brush cooling structure Starter with brush cooling structure

1996-08-12

1998-10-13

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 64, 74 7R, H02K 1300, H02K 902, F02N 1506

Patent

active

058216626

ABSTRACT:
A brush holder is held between a yoke of a starter motor and an end frame made of resin. The brush holder has an engaging guide portion projecting axially therefrom and engaging the yoke and the end frame and a projected peripheral portion projecting outside from peripheral surfaces of the yoke and that of the end frame. The brush holder contacts the yoke and the end frame at cylindrical surfaces thereof and surfaces perpendicular to the cylindrical surfaces. This construction allows the brush holder to be prevented from loosening, thus improving the vibration proof and durability of the brush holder. Further, the brush holder contacts the yoke and the end frame at the cylindrical surfaces thereof and the surfaces perpendicular to the cylindrical surfaces, thus dissipating the heat of a brush through the brush holder and the yoke more efficiently.

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