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Single nozzle injection of gasoline and anti-knock fuel

  • US 7,640,913 B2
  • Filed: 03/06/2007
  • Issued: 01/05/2010
  • Est. Priority Date: 03/08/2006
  • Status: Expired due to Fees
First Claim
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1. Fuel management system for operation of a spark ignition gasoline engine comprising:

  • a gasoline engine;

    a source of liquid gasoline;

    a source of liquid anti-knock fuel;

    a proportioning valve receiving the gasoline and anti-knock fuel to discharge a liquid mixture through a first conduit having a controlled gasoline/anti-knock fuel ratio;

    a high pressure pump receiving the mixture through the first conduit and delivering the mixture through a second conduit to an injector; and

    a fuel management control system for controlling the proportioning valve and the injector for injection of the mixture into a cylinder of the engine to control knockwherein the volume within the first conduit, the high pressure pump, and the second conduit is minimized to improve transient response of the fuel management system.

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