Solid state clutch cycler with charge protection

Details Solid state clutch cycler with charge protection Solid state clutch cycler with charge protection

1982-09-27

1984-08-07

Tanner, Harry B.

Refrigeration

Automatic control

Refrigeration producer

62126, 62157, F25B 4900, G05D 2319

Patent

active

044635761

ABSTRACT:
A solid state circuit for cycling the refrigerant compressor of an automotive air conditioning system on and off in accordance with a refrigerant vapor condition and for detecting the duration of compressor energization periods as an indication of low refrigerant charge. If a condition of low refrigerant charge is detected, the compressor is disabled and an instrument panel lamp is lit to notify the operator of the vehicle of the low refrigerant charge condition.

REFERENCES:
patent: 3312081 (1967-04-01), Berger et al.
patent: 4209997 (1980-07-01), Hodits, Jr. et al.
1980 Oldsmobile Omega Service Manual, Section 1B, "Air Conditioning", published in 1979.

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