Automotive air tempering apparatus

Details Automotive air tempering apparatus Automotive air tempering apparatus

1990-04-17

1991-05-14

Tanner, Harry B.

Refrigeration

Automatic control

Humidity sensor

621765, 62173, 62203, 622285, 165 21, 165 30, 165 42, F25B 2900, B60H 100

Patent

active

050145193

ABSTRACT:
An air tempering apparatus for use in an automotive vehicle having a duct through which air is directed into a passenger compartment. The apparatus comprises an air chilling unit having a variable refrigerating capacity of chilling the air in the duct, and an air reheating unit having a variable reheating capacity of reheating the chilled air in the duct. A control unit decreases the reheating capacity of the air heating unit as the chilled air temperature increases. The control unit decreases the refrigerating capacity of the air chilling means when the reheating capacity of the air reheating means is greater than a predetermined value and when the sensed humidity is less than a predetermined value.

REFERENCES:
patent: 4428718 (1984-01-01), Skinner
patent: 4487029 (1984-12-01), Hidaka et al.
patent: 4540040 (1985-09-01), Fukumoto et al.
patent: 4783970 (1988-11-01), Takahashi
patent: 4895000 (1990-01-01), Takahashi

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