Two-speed direct-current motor with high-speed rotation switch a

Details Two-speed direct-current motor with high-speed rotation switch a Two-speed direct-current motor with high-speed rotation switch a

1995-12-18

1997-03-25

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 68B, 310114, 310140, 310233, 310264, H02K 1100

Patent

active

056147759

ABSTRACT:
A two-speed direct-current electric motor with a high-speed rotation switch activated by a vehicular sensed parameter signal. The motor includes a motor shaft supported by at least one bearing for rotation, at least two sets of windings supported by the shaft, a contactor arrangement supported by the shaft to electrically couple the windings in first and second configurations based upon a sensed parameter signal having at least a first and a second state, and a commutator arrangement coupled to the contactor arrangement to apply electrical energy to the windings. The motor rotates at a first speed when the windings are coupled in the first configuration and rotates at a second speed when the windings are coupled in the second configuration. The high-speed rotation switch is coupled directly to a sensed parameter signal and is integral to the electric motor.

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patent: 5285650 (1994-02-01), Lin
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