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Method and devices for avoiding knocking on failure of an anti-knock regulator

  • US 20040020462A1
  • Filed: 08/25/2003
  • Published: 02/05/2004
  • Est. Priority Date: 07/29/2000
  • Status: Active Grant
First Claim
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1. A method of preventing knocking in the event of failure of a knock control, in which a firing angle and/or ignition time of an engine having direct injection is regulated by using a knock control to prevent knocking during engine operation, in fault-free operation of the knock control, fuel is injected into the combustion chamber of a cylinder of the engine at least once per operating cycle, and the combustion is monitored by the knock control, wherein in the event of a disturbance in the knock control, the quantity of fuel injected and/or the number of injection operations per operating cycle is altered.

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