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Auxiliary automobile heater

  • US 3,877,639 A
  • Filed: 05/24/1974
  • Issued: 04/15/1975
  • Est. Priority Date: 05/15/1972
  • Status: Expired due to Term
First Claim
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1. In an automobile having an electric storage battery and a conventional liquid engine coolant system that includes a liquid circulation loop through the engine and in which loop is disposed a liquid-air heater exchanger for heating air moved therethrough by an electric fan, the combination therewith of an electrically operated gasoline burner means for heating liquid in said loop, electrically actuated pump means for circulating liquid heated by the burner means through the liquidair heat exchanger to the engine, whereby heat is delivered to the heat exchanger and to the engine by circulated liquid, and control means for concurrently operating the burner means and electrically energizing the pump means from the battery, said control means including means for initiating operation of the burner means and means for thereafter maintaining the burner means in operation for a predetermined time interval, said last means including a direct current actuated electrical timer means connected to said battery for energization.

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