Air conditioning apparatus for automotive vehicle

Details Air conditioning apparatus for automotive vehicle Air conditioning apparatus for automotive vehicle

1990-10-04

1991-12-24

Tanner, Harry B.

Automatic temperature and humidity regulation

Ventilator type

Electrically actuated

236DIG9, 165 42, 62244, 454 75, 454145, 454160, F24F 700, B60H 132

Patent

active

050744631

ABSTRACT:
To reduce air suction noise in internal air recirculation mode of an air conditioner for an automotive vehicle, a difference in temperature between a target value and an actual value is calculated and the amount of blown air is decreased in the internal air recirculation mode, as compared with that in the external air introduction mode, by reducing a voltage applied to a blower fan motor, only when the calculated temperature difference is a predetermined value or less.

REFERENCES:
patent: 4358050 (1982-11-01), Naganoma et al.
patent: 4408713 (1983-10-01), Iijima et al.
patent: 4498309 (1985-02-01), Kobayashi et al.
patent: 4518032 (1985-05-01), Funasaki et al.

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