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Method and arrangement for controlling an internal combustion engine

  • US 5,544,634 A
  • Filed: 11/29/1993
  • Issued: 08/13/1996
  • Est. Priority Date: 11/27/1992
  • Status: Expired due to Term
First Claim
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1. A method for controlling an internal combustion engine of a motor vehicle wherein the engine is equipped with a throttle flap adjustable to a setting by an operator of the vehicle for adjusting air flowing through an intake pipe to the engine, the method comprising the steps of:

  • providing a control unit for electrically actuating said throttle flap in dependence upon a command of the operator;

    detecting the air flowing to the engine and supplying a signal indicative of the air mass;

    evaluating said signal to detect a backflow of said air in said intake pipe; and

    ,moving said throttle flap from and independently of said setting to close said throttle flap when said backflow occurs thereby preventing said backflow.

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