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Electronically controlled thermostat

  • US 20020053325A1
  • Filed: 09/25/2001
  • Published: 05/09/2002
  • Est. Priority Date: 11/06/2000
  • Status: Active Grant
First Claim
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1. An apparatus for controlling a temperature of an engine by controlling a flow of a liquid engine coolant, the apparatus comprising:

  • a thermostat having a temperature responsive valve for substantially blocking and substantially unblocking the flow of said liquid coolant to a radiator, said thermostat having a first temperature activation range;

    a thermally activated actuator operatively connected to said valve, said actuator having a second temperature activation range above said first temperature activation range; and

    a source of electrothermal energy for activating said actuator to cause said temperature responsive valve to unblock the flow of said liquid coolant on demand.

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