Electrical circuit and method of operating such

Details Electrical circuit and method of operating such Electrical circuit and method of operating such

1982-02-16

1983-10-11

Makay, Albert J.

Refrigeration

Automatic control

Refrigeration producer

623234, 622285, F25B 2700

Patent

active

044084668

ABSTRACT:
An electrical circuit adapted to control the operation of a refrigerant compressor in an automotive type air conditioning system. The electrical circuit has a pair of branch circuits, an impedance for connection in the branch circuits so as to be respectively energized and shunted therein, and condition responsive devices for enabling and disenabling one of the branch circuits. Switching means is operable for sequentially energizing and then shunting the impedance in the branch circuits to control the energization thereof subject to the enablement and disenablement of the one circuit branch by the condition responsive device.
A method of operating an electrical circuit to control the operation of a refrigerant compressor in an automotive type air conditioning system is also disclosed.

REFERENCES:
patent: 3620037 (1971-11-01), Young
patent: 3786210 (1974-01-01), Byam
patent: 4256973 (1981-03-01), Kochanski et al.
patent: 4263928 (1981-04-01), Kobayashi et aL.
patent: 4355523 (1982-10-01), Shimada
patent: 4356705 (1982-11-01), Sutoh et al.

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