Motor of spring charging device in air circuit breaker

Details Motor of spring charging device in air circuit breaker Motor of spring charging device in air circuit breaker

2008-08-20

2011-11-22

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S245000

Reexamination Certificate

active

08063532

ABSTRACT:
Disclosed is a motor of spring charging device in air circuit breaker wherein first and second frames are formed with glass fiber-added plastic material to facilitate the tight-fitting of a bearing and a manufacturing cost of driving motor is reduced by removing a brush holder isolator which was an essential part for isolating the brush holder, and a brush holder and a brush holder insertion hole of the first frame for inserting a brush holder are structurally improved to enable the brush holder to be easily and solidly inserted into the brush holder insertion hole of the first frame, thereby reducing the labor work of a soldering for connecting the stator winding.

REFERENCES:
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patent: 4546280 (1985-10-01), Pfluger
patent: 4746828 (1988-05-01), Nado et al.
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patent: 5184041 (1993-02-01), Baer et al.
patent: 5818142 (1998-10-01), Edleblute et al.
patent: 7180219 (2007-02-01), Xu

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