Automatic air circulation control

Details Automatic air circulation control Automatic air circulation control

1978-04-03

1979-01-09

Wayner, William E.

Refrigeration

Automatic control

Of external fluid or means

62184, 62323, 123 4112, 236 353, F25B 3904, F01P 710

Patent

active

041331850

ABSTRACT:
An automotive vehicle of the type having an air conditioner condenser in line with shutters, a radiator and a de-energizable fan is provided with a pressure-sensing switch in the condenser to measure pressure increases in the refrigerant, a radiator coolant temperature sensor and a manual fan override switch all of which are combined to energize the shutter and fan controls so that the shutters will always be open when the fan is on, both the shutters and fan will be on during high temperature coolant conditions, and the shutter and fan will always be on during high pressure refrigerant conditions regardless of the radiator coolant temperature.

REFERENCES:
patent: 2591392 (1952-04-01), Weiser
patent: 3004402 (1961-10-01), Dart et al.
patent: 3759056 (1973-09-01), Graber

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