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Virtual filter condition sensor

  • US 10,287,935 B2
  • Filed: 04/27/2018
  • Issued: 05/14/2019
  • Est. Priority Date: 01/24/2013
  • Status: Active Grant
First Claim
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1. A system for determining a condition of a filter filtering fluid associated with an engine system, the system comprising:

  • a plurality of sensors operatively connected to the engine system, the plurality of sensors configured to collectively provide information relating to engine run time, engine torque, and engine speed;

    an engine control module communicatively connected to the plurality of sensors, the engine control module configured to;

    receive the information from the plurality of sensors relating to engine run time, engine torque, and engine speed,using at least some of the received information to determine a plurality of input variables, the plurality of input variables representing a plurality of engine operating conditions including engine run time, engine torque, and engine speed;

    determine the condition of the filter based on an algorithm that incorporates the plurality of input variables; and

    outputting information relating to the condition of the filter.

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