Wear-premonitory carbon brush holder

Details Wear-premonitory carbon brush holder Wear-premonitory carbon brush holder

2006-05-16

2006-05-16

Le, Dang (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C245S004000, C245S004000

Reexamination Certificate

active

07045929

ABSTRACT:
A wear-premonitory carbon brush holder includes a holder body and a premonitory circuit. A carbon brush that is received in the holder body is reciprocately moveable in the holder body along a predetermined path. The premonitory circuit has a sensing unit mounted on the holder body for activating the premonitory circuit to generate a predetermined action or a warning signal when the carbon brush moves in the holder body to a predetermined position.

REFERENCES:
patent: 3523288 (1970-08-01), Thompson
patent: 4024525 (1977-05-01), Baumgartner et al.
patent: 4723084 (1988-02-01), Reynolds
patent: 5753995 (1998-05-01), Ogino

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