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Home demand controller

  • US 4,476,398 A
  • Filed: 03/08/1983
  • Issued: 10/09/1984
  • Est. Priority Date: 03/08/1983
  • Status: Expired due to Fees
First Claim
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1. Apparatus for controlling demand for electricity by a plurality of electrical load devices comprisingdetector means for detecting the operation of a first said electrical load device and for generating a first voltage indicating said operation,first relay means connected to a source of electrical power for transmitting said power to a first magnetic contactor in the absence of said first voltage, and for not transmitting said power when said first voltage is present,first magnetic contactor means adapted to connect a second of said load devices to a source of electrical power in response to an electrical signal from said relay means,second relay means for supplying electrical power to said first magnetic contactor when activated, andmeans for supplying a voltage to said second relay means to activate said second relay means to supply electrical power to said first magnetic contactor whereby said second of said load devices receives power independent of the operation of said first of said load devices.

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