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Control apparatus for automobile air-conditioners

  • US 4,962,302 A
  • Filed: 11/02/1989
  • Issued: 10/09/1990
  • Est. Priority Date: 11/04/1988
  • Status: Expired due to Fees
First Claim
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1. An apparatus for controlling an automobile air-conditioner, comprising:

  • (a) a vehicle compartment temperature sensor for detecting a representative temperature in a vehicle compartment;

    (b) an upper-part temperature sensor for detecting a temperature of an upper part of the vehicle compartment;

    (c) a temperature setter for setting a temperature in the vehicle compartment;

    (d) an upper-part temperature setter for setting a temperature of the upper part of the vehicle compartment;

    (e) mode doors disposed respectively at a plurality of differently directed outlets for changing the discharge mode of the air-conditioner;

    (f) mode control value calculation means for calculating a mode control value concerned in the control of the discharge mode, based on at least the detected representative vehicle compartment temperature and the setting vehicle compartment temperature;

    (g) correction means for correcting a changeover criterion based on at least the detected upper-part temperature and the setting upper-part temperature until a deviation of the detected upper-part temperature from the setting upper-part temperature is canceled out;

    (h) discharge mode selection means for selecting a discharge mode corresponding to the mode control value, based on the changeover criterion corrected by said correction means; and

    (i) drive control means for controlling the operation of said mode doors depending on the result of selection by said discharge mode selection means.

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