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CARBURETED NATURAL GAS TURBO CHARGED ENGINE

  • US 20110174281A1
  • Filed: 12/16/2010
  • Published: 07/21/2011
  • Est. Priority Date: 06/01/2006
  • Status: Active Grant
First Claim
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1. A control system for a natural gas engine, said control system comprising an air/fuel throttle valve operable to be associated with a carburetor, a fuel valve having non-linear fuel flow response as said fuel valve is opened and closed, said fuel valve being located upstream of said carburetor and associated with the supply of fuel to said carburetor from a fuel source, and a flow compensator to compensate for said non-linear flow of fuel passing through said fuel valve as said fuel valve is opened and closed, a PID controller associated with said flow compensator and having an output which is modified by said flow compensator, said flow compensator compensating for said non-linear flow of fuel by generating a curve which is inverse to said flow of fuel passing through said fuel valve.

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