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Control device for a gasoline-powered direct injection internal combustion engine

  • US 5,755,198 A
  • Filed: 03/07/1997
  • Issued: 05/26/1998
  • Est. Priority Date: 03/27/1996
  • Status: Expired due to Fees
First Claim
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1. A control device for a direct-injection gasoline internal combustion engine having sensors for sensing operating parameters and a plurality of metering and actuating devices for controlling a fuel mass, a fuel pressure, an air mass and an ignition, the control device comprising:

  • a signal processing unit for controlling a fuel injection operation in at least one of a stratified mode and a homogenous mode depending on an operating zone of the internal combustion engine, wherein the signal processing unit;

    determines a required engine torque;

    converts the engine torque into at least one value related to a fuel mass flow value, an air mass flow value and an ignition angle value;

    converts the fuel mass flow value into a first injection time value for the homogenous mode;

    converts the fuel mass flow value into a second injection time value for the stratified mode; and

    forms control signals for at least one fuel injection valve, a throttle valve actuator and an ignition system.

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