Ventilation and/or air temperature control apparatus

Details Ventilation and/or air temperature control apparatus Ventilation and/or air temperature control apparatus

1974-05-29

1976-04-06

Davis, Jr., Albert W.

Heat exchange

With alarm, indicator, signal, register, recorder, test or...

Remotely controlled inspection means

237 123B, 165 42, F25B 2900

Patent

active

039483126

ABSTRACT:
Air conditioning apparatus for a vehicle interior has a manually adjusted electrical control circuit actuating a servomotor for driving a control camshaft to vary the temperature and direction of a ventilating airflow by operation of a number of flap valves in air passages of the apparatus that permit a controllable proportion of cooled air flowing through the apparatus to bypass heating means and that determine the proportions of the total flow that are directed to upper and lower discharge outlets respectively. The control circuit sets a nominal ventilation temperature that also determines the rate of airflow and its direction of discharge, and the circuit setting is automatically modified by the external temperature.

REFERENCES:
patent: 3428115 (1969-02-01), Caldwell
patent: 3774676 (1973-11-01), Franz
patent: R27699 (1973-07-01), Weaver et al.

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