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Electromechanical device associated with thermoactuators for use in vehicle climate control and air conditioning systems

  • US 4,819,868 A
  • Filed: 03/22/1988
  • Issued: 04/11/1989
  • Est. Priority Date: 05/29/1987
  • Status: Expired due to Fees
First Claim
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1. An electromechanical device associated with thermoactuators, particularly for the control of valves in vehicle climate control or air conditioning systems, comprising a pair of thermoactuators being associated with heaters;

  • two "L"-shaped parts being mounted in a mobile fashion moving, against the reaction of calibrated springs, on a plate having stops interfering with teeth of said "L"-shaped parts;

    said plate being equipped with a slot engaging a sliding pin carried on one end of a mobile arm, said mobile arm having a curved rack on an opposite side of said mobile arm from said sliding pin, said curved rack always engaged by a pinion integral with a shaft incorporating a potentiometer electrically connected to an electronic control unit;

    said shaft having the function of controlling a butterfly valve, in turn controlling the flow of air exiting from a radiator of an air conditioning system.

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