Apparatus for controlling air-mix door in automobile air-conditi

Details Apparatus for controlling air-mix door in automobile air-conditi Apparatus for controlling air-mix door in automobile air-conditi

1989-06-06

1990-12-04

Wayner, William E.

Automatic temperature and humidity regulation

Mixing fluid of dissimilar temperature

Plenum type

62186, 165 43, G05D 2300

Patent

active

049747762

ABSTRACT:
An air-mix door control apparatus for automobile air-conditioners which is so constructed as to control the position of the air-mix door according to a deviation of the actual discharge air temperature from a target discharge air temperature calculated based on a set temperature, a vehicle compartment temperature, etc. A target position for the air-mix door is calculated according to a difference between the target discharge air temperature and the actual discharge air temperature at an interval which is shorter than the interval of calculation of the difference between the target air temperature and the actual discharge air temperature. With the control apparatus thus constructed, a stable and reliable control of operation of the air-mix can be achieved.

REFERENCES:
patent: 4832258 (1989-05-01), Hoshino et al.

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