Method for assembling an electric motor using a slip fit...

Details Method for assembling an electric motor using a slip fit... Method for assembling an electric motor using a slip fit...

2005-10-31

2009-11-03

Tugbang, A. Dexter (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S598000, C029S898070, C029S525010, C403S203000, C403S223000, C403S282000, C403S366000, C403S369000

Reexamination Certificate

active

07610671

ABSTRACT:
An electric motor includes a stator, a housing supporting the stator and having a bearing seat with an inner surface and an inner end, a bearing having an outer surface, a shaft rotatably supported by the bearing, and a rotor supported by the shaft. The motor also includes a tolerance ring having an interior surface, an exterior surface disposed against the bearing seat inner surface, and a plurality of elastic corrugations. Each of the elastic corrugations projects radially from the interior surface, defining a shoulder section disposed between the bearing and the inner end of the bearing seat. The shoulder section generates a spring force against the bearing to axially and radially support the bearing and to axially preload the bearing.

REFERENCES:
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patent: 5059042 (1991-10-01), Grierson
patent: 6333839 (2001-12-01), Misso et al.

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