Torque control apparatus for enclosed compressors

Details Torque control apparatus for enclosed compressors Torque control apparatus for enclosed compressors

1984-08-17

1986-08-05

Freeh, William L.

Pumps

Condition responsive control of pump drive motor

Single motor control element responsive to means sensing...

417 32, 417 42, 417 45, 622283, 622284, F04B 4900, F04B 4906, F04B 4910, F25B 104

Patent

active

046040366

ABSTRACT:
A torque control apparatus for enclosed compressors wherein a load torque, applied to an enclosed compressor, is detected by a position detector provided on the rotating portion of the compressor and a temperature detector provided in a refrigeration cycle. A voltage or current supplied to the compressor is controlled in accordance with the load torque to control the motor output torque of the compressor.

REFERENCES:
patent: 2985010 (1961-05-01), Piltz
patent: 4015182 (1977-03-01), Erdman
patent: 4326837 (1982-04-01), Gilson
patent: 4407139 (1983-10-01), Ide et al.

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