Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2006-10-10
2006-10-10
Lam, Thanh (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
Reexamination Certificate
active
07119473
ABSTRACT:
A brush card assembly30is provided for a permanent magnet brush motor50. The motor includes a link wound, high speed side commutator46and an associated high speed side armature winding44, and a link wound low speed side commutator54and an associated low speed side armature winding52. The brush card assembly includes a brush card31including a high speed side having a positive brush32and a negative brush32′ constructed and arranged to be operatively associated with the high speed side commutator46, and a low speed side opposite the high speed side. The low speed side has a positive brush33and a negative brush33′ constructed and arranged to be operatively associated with the low speed side commutator54. The brushes are constructed and arranged with respect to the commutators to provide at least two different operating speeds of the motor.
REFERENCES:
patent: 4910790 (1990-03-01), Kershaw
patent: 5434463 (1995-07-01), Horski
patent: 5689148 (1997-11-01), Rubinchik
patent: 5925999 (1999-07-01), Lakerdas et al.
patent: 6694599 (2004-02-01), Kershaw et al.
Koncan Michael John
Lakerdas Andrew
Simofi-Ilyes Attila
Smorowski Stefan Zenon
Van Horne Steven Russell
Lam Thanh
Siemens VDO Automotive Inc.
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