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VEHICLE WHEEL TEMPERATURE MONITORING SYSTEM

  • US 3,691,523 A
  • Filed: 06/03/1971
  • Issued: 09/12/1972
  • Est. Priority Date: 06/03/1971
  • Status: Expired due to Term
First Claim
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1. A monitoring System for a vehicle having a plurality of wheels, each wheel including a backing plate, comprising:

  • first and second temperature sensitive elements mounted on either side of each backing plate;

    a vehicle battery;

    circuit means connecting each pair of temperature sensitive elements in a balanced bridge circuit energized by said battery;

    switching means associated with each of said bridge circuits energized when its associated bridge circuit is unbalanced;

    audible alarm means energized when any of said switching means is energized; and

    an indicator lamp associated with each wheel and energized only when the switching circuit associated with that wheel is energized.

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