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Method and device for evaluation and indication of wear condition of motor lubrication

  • US 4,497,200 A
  • Filed: 04/11/1983
  • Issued: 02/05/1985
  • Est. Priority Date: 04/13/1982
  • Status: Expired due to Fees
First Claim
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1. A method of evaluating and indicating the wear condition of the lubrication oil in a motor comprising the steps ofintegrating an electric current representing the sensed values of a temperature variable, consisting of variables used as a criterion characterizing several different fatigue conditions of the oil, said variable being then specific to the period of presence of said oil in said motor, to the working time of said motor and the time periods during which the oil being too hot or too cold wears abnormally,and signalling the reaching of the fatigue condition of the oil based on said integrating.

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