Rotary compressor with reverse rotating braking

Details Rotary compressor with reverse rotating braking Rotary compressor with reverse rotating braking

1997-08-13

1998-10-13

Harvey, Jack B.

Pumps

Condition responsive control of pump drive motor

By control of electric or magnetic drive motor

417 53, F04B 4906

Patent

active

058203494

ABSTRACT:
An electrical motor driven rotary compressor having electrical components for preventing reverse rotation of the motor-compressor upon deenergization of the motor. The rotary compressor determines if a change in condition has occurred which could result in reverse rotation of the motor-compressor and energizes a motor stator circuit in response to the determined change in condition so as to apply a braking torque to oppose reverse rotation of the motor-compressor.

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patent: 5489831 (1996-02-01), Harris
patent: 5518373 (1996-05-01), Takagi et al.

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