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Environmental control system with humidity control and method

  • US 4,659,009 A
  • Filed: 04/04/1985
  • Issued: 04/21/1987
  • Est. Priority Date: 04/04/1985
  • Status: Expired due to Fees
First Claim
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1. In an environmental control system having heating apparatus and temperature responsive means for controlling the heating apparatus, a humidity controlled sub-system, comprising:

  • means for sensing the relative humidity;

    a ventilation system; and

    means for actuating the ventilation system in response to the relative humidity exceeding a preselected value until the heating apparatus is actuated by said temperature responsive means to increase the temperature and thereby reduce the relative humidity; and

    in whichsaid heating apparatus controlling means includes a humidity sensor and a humidistatic circuit responsive to the humidity sensor for producing a binary actuation signal in response to sensed humidity.

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