Air conditioning system for a motor vehicle

Details Air conditioning system for a motor vehicle Air conditioning system for a motor vehicle

1987-04-22

1988-07-19

Tanner, Harry B.

Refrigeration

With indicator or tester

Operatively correlated with automatic control

622283, F25B 4900

Patent

active

047576936

ABSTRACT:
The invention relates to an air conditioning system for a motor vehicle, including a cooling circuit equipped with a compressor (1) associated with a clutch (8), a condenser (2), a pressure reducer (4) and an evaporator (5). An electric circuit (22) has mounted therein, in series, a coil of the clutch (8), a pressure contact (10) for measuring the excess pressure of the cooling circuit, a pressure contact (11) for measuring the underpressure in the cooling circuit, a thermostat (13), and a shunt and detector (18, 19) for monitoring the electric continuity of the circuit. An electronic control circuit (20) controls, in case of electric interruption, an electric display component (21) mounted on the dashboard of the vehicle.

REFERENCES:
patent: 2057101 (1936-10-01), Kagi
patent: 4307775 (1981-12-01), Saunders et al.
patent: 4356704 (1982-11-01), Izumi
patent: 4557114 (1985-12-01), Kato et al.
patent: 4558306 (1985-12-01), Freliech

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