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Heating and cooling system consumption meter

  • US 4,049,044 A
  • Filed: 01/28/1976
  • Issued: 09/20/1977
  • Est. Priority Date: 01/28/1976
  • Status: Expired due to Term
First Claim
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1. A device for monitoring the heating and cooling energy consumed by a single unit of a multi-unit building, in proportion to the total energy consumed by said multi-unit building, said device comprising in combination:

  • a control circuit for controlling the speed of a blower fan, said blower fan being used to force heated and cooled air into the single unit;

    an energy monitoring circuit for monitoring the amount of heating and cooling energy used in a unit, said circuit being electrically coupled to said control circuit, said energy monitoring circuit having an integrating circuit, a pluse generator, and a pulse counter;

    wherein said integrating circuit is electrically coupled to the pulse generator and the pulse generator is electrically coupled to the pulse counter.

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