Rotary electric machine equipped with bearing structure...

Details Rotary electric machine equipped with bearing structure... Rotary electric machine equipped with bearing structure...

2006-04-14

2009-08-11

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S089000

Reexamination Certificate

active

07573166

ABSTRACT:
A rotary electric machine which may be used as a starter motor in an engine starter. The rotary electric machine includes a bearing which retains an armature shaft rotatably. The bearing is implemented by a plain bearing made of a sleeve and placed in contact of one of opposed ends of an axial length thereof with a shoulder formed on the armature shaft so as to bear a thrust load acting on the armature shaft as a whole, thereby avoiding the local concentration of impact on the bearing to ensure a desired lifetime of the bearing.

REFERENCES:
patent: 4409505 (1983-10-01), Petersen
patent: 5079465 (1992-01-01), Schmidt et al.
patent: A 11-141443 (1999-05-01), None

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