Interference-suppressed universal motor

Details Interference-suppressed universal motor Interference-suppressed universal motor

2006-01-03

2006-01-03

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S149000

Reexamination Certificate

active

06982512

ABSTRACT:
A universal motor having two carbon brushes (2a, 2b) and two series connected field coils (4a, 4b). The universal motor having an interference suppressing capacitor (5) with a first terminal (6a) connected directly to the first carbon brush (2a) and connected with a field coil (4a) in a conducting manner. The interference suppressing capacitor (5) also including a second terminal (6b) connected directly to the second carbon brush (2b) and connected to a power line (8b) in a conducting manner.

REFERENCES:
patent: 2800598 (1957-07-01), Whitcroft
patent: 4384223 (1983-05-01), Zelt
patent: 5306974 (1994-04-01), Bates
patent: 6037693 (2000-03-01), Marth et al.
patent: 6580194 (2003-06-01), Mizutani et al.
patent: 6700289 (2004-03-01), Konishi et al.

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