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Method for the advance indication of damage to wheel bearings

  • US 4,316,175 A
  • Filed: 06/29/1978
  • Issued: 02/16/1982
  • Est. Priority Date: 01/26/1977
  • Status: Expired due to Term
First Claim
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1. In a method for advance indication of the possibility of damage occurring to wheel bearings of vehicular means having a plurality of wheels, including the steps of monitoring the temperature of the wheel bearings with temperature detectors fixedly mounted at the wheel bearings, and producing indication signals when a temperature detected by a temperature detector exceeds a determinable value;

  • the improvement wherein said step of monitoring comprises monitoring the temperature of a plurality of wheel bearings of said vehicular means, deriving a selected value from said plurality of monitored temperatures, obtaining, as an inverse function of ambient a further temperature reference value of said vehicular means monitored by one temperature detector mounted on said vehicular means spaced from wheel bearings thereof, and comparing said derived selected value with said further temperature reference value to produce said advance indication signal.

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