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Pressure responsive pump control system having an alarm lamp

  • US 4,525,125 A
  • Filed: 12/06/1983
  • Issued: 06/25/1985
  • Est. Priority Date: 12/10/1982
  • Status: Expired due to Fees
First Claim
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1. A pump control system comprising a DC motor, a pump driven by said DC motor to generate and supply a pressure to a container, a single pressure sensor for sensing a pressure within said container controlled by said pump, and being operative with a predetermined pressure within said container, a first circuit means responsive to the operation of said single pressure sensor to drive said DC motor, a timing, circuit controlled in response to the operation of said single pressure sensor, an alarm lamp, and a circuit means responsive to an output from said timing circuit means to control the turn-on and -off of said alarm lamp whereby said single pressure sensor provides the sole means for controlling said pump and said alarm lamp.

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