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FILTER PRE-FILL DETECTION SYSTEM AND METHOD

  • US 20180135575A1
  • Filed: 11/17/2016
  • Published: 05/17/2018
  • Est. Priority Date: 11/17/2016
  • Status: Active Grant
First Claim
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1. A fuel system comprising:

  • a fuel supply;

    a fuel conduit for delivering fuel from the fuel supply to an engine;

    a pump coupled between the fuel supply and the fuel conduit and operable to pump fuel between the fuel supply and the fuel conduit to prime the fuel system;

    a fuel filter positioned fluidly between the pump and the fuel conduit; and

    a filter pre-filling detection system including at least one monitoring mechanism structured to monitor a property of the fuel system indicative of a start of priming the fuel system and a property of the fuel system indicative of an end of priming the fuel system;

    the filter pre-filling detection system further including a control mechanism coupled with the at least one monitoring mechanism, the control mechanism being structured to determine a time from the start of priming the fuel system to the end of priming the fuel system that is indicative of pre-filling of the fuel filter, and to produce an error signal responsive to the determined time.

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