Proportional stroke automatic temperature control system

Details Proportional stroke automatic temperature control system Proportional stroke automatic temperature control system

1974-08-29

1977-12-20

Wayner, William E.

Automatic temperature and humidity regulation

Motors

Fluid-operated

91365, 165 42, 237 123B, B60H 102

Patent

active

040636828

ABSTRACT:
This invention relates to an automatic temperature control system for automobiles and improved components thereof. The control system operates on the proportional stroke principle and comprises an in-car air sensing tube biased with ambient air; a sensor in an aspirator at the end of the tube; a moving pivot operated directly by the output of the sensor; and a feedback control valve operated by the moving pivot for driving a vacuum-assist motor, the output stroke of which operates the various electrical and vacuum functions of the heater-air conditioning system.

REFERENCES:
patent: 2550907 (1951-05-01), Brown
patent: 2789543 (1957-04-01), Popowsky
patent: 3033539 (1962-05-01), Cook et al.
patent: 3727837 (1973-04-01), Gazzera et al.
patent: 3856201 (1974-12-01), Watling et al.
patent: 3877638 (1975-04-01), Amano et al.

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