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Engine operation using fully flexible valve and injection events

  • US 5,117,790 A
  • Filed: 02/19/1991
  • Issued: 06/02/1992
  • Est. Priority Date: 02/19/1991
  • Status: Expired due to Term
First Claim
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1. A system for controlling a plurality of operational modes of an engine including valve and injection events, in which the engine comprises a plurality of cylinders having an intake and exhaust valve, an injector, a chamber and an intake and exhaust port, wherein the plurality of cylinders are connected by an intake and exhaust manifold, said system comprising:

  • cylinder control means for governing an operational mode of each of the cylinders independently, including;

    (a) valve control means for controlling the operation of the intake and exhaust valves, including controlling at least one of an opening and closing of the intake and exhaust valves in accordance with the independently governed operational mode of each cylinder; and

    (b) injector control means for controlling the operation of each of the injectors, including controlling fuel injection timing of each of the injectors, independently of the operation of the intake and exhaust valves;

    wherein said cylinder control means independently controls each of the cylinders to control the valve and injection events to responsively achieve a plurality of operational modes for the engine.

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