Refrigeration – Automatic control – Refrigeration producer
Patent
1989-09-26
1990-11-27
Wayner, William E.
Refrigeration
Automatic control
Refrigeration producer
623234, F25B 100
Patent
active
049726803
ABSTRACT:
An update kit allows the conversion of a suction throttling valve of a vehicle air conditioning circuit, from a mechanically operated switch to an electrically actuated thermostatic switch, without destroying the authenticity of the air conditioning circuit. The kit includes a substantially rigid planar plate for coupling in the suction throttling valve in place of a diaphragm, a gasket for coupling adjacent to the planar rigid plate to prevent leakage of refrigerant, a thermostatic electrical switch having a flexible elongated temperature probe from coupling to the vehicle adjacent to the evaporator with the flexible elongated temperature probe in contact with the evaporator, a faster means for securing the elongated temperature probe in place, thermically insulating tape for wrapping around the flexible elongated temperature probe, and a conductor means for electrically coupling the thermostatic electrical switch to the clutch cycling system of the vehicle.
REFERENCES:
patent: 3452929 (1969-07-01), Douglas
patent: 3525324 (1970-08-01), Widdowson
patent: 4334255 (1982-06-01), Izumi
patent: 4526157 (1985-07-01), Theofanous
patent: 4800737 (1989-01-01), Smith et al.
patent: 4829777 (1989-05-01), Matsuoka
Cowart Darrow W.
Cox Richard G.
Hunn Melvin A.
Wayner William E.
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