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Monitoring engine coolant

  • US 10,208,650 B2
  • Filed: 04/20/2017
  • Issued: 02/19/2019
  • Est. Priority Date: 05/18/2016
  • Status: Active Grant
First Claim
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1. An engine coolant temperature sensor comprising:

  • an earth wire configured to earth through engine coolant in a coolant conduit and trigger an alarm when coolant is absent in the coolant conduit, wherein the only connection of the earth wire within the temperature sensor is to a housing.

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