Control system for compressor motor used with air-conditioning u

Details Control system for compressor motor used with air-conditioning u Control system for compressor motor used with air-conditioning u

1985-08-21

1987-01-27

Tanner, Harry

Refrigeration

Automatic control

Refrigeration producer

622281, 318436, F25B 100

Patent

active

046386432

ABSTRACT:
A control system for a compressor motor used with an air conditioning unit is disclosed. A current for generating a non-rotating magnetic field is supplied to the compressor motor to preheat a compressor. A current for generating a rotating magnetic field is also supplied to the compressor motor together with the current for generating a non-rotating magnetic field to heat the compressor. The heat pump using this control system is thus capable of transmitting sufficient heat energy immediately after start of the operation of the heat pump.

REFERENCES:
patent: 3466888 (1969-09-01), Kyle
patent: 4135122 (1979-01-01), Holmquist et al.

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