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US 2009/0013964 A1Published application
Method and apparatus for eliminating spark-knock in an engine
AssigneeChrysler Corporation
InventorsDennis A. Soltis, Arthur D. Stockard
Life of this patent
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Abstract
An apparatus for minimizing spark-knock within a combustion chamber of a spark-ignition internal combustion engine, whereby a control vane mounted inside the intake runner is arranged to direct a fuel-air charge to a region inside the combustion chamber where spark-knock has been empirically determined to occur.
Claims8
An apparatus for reducing spark-knock within a combustion chamber of a spark-ignition internal combustion engine comprising:
- at least one intake runner and fuel injector mounted inside the intake runner arranged to deliver a fuel-air charge to the combustion chamber;
- a knock-sensor mounted in the proximity of the combustion chamber and arranged to detect spark-knock and communicate said detection to an Engine Contract Unit (ECU) programmed to generate a signal in response to said detection of spark-knock;
- and
- a vane mounted inside the intake runner and arranged to direct the fuel-air charge to a predetermined region inside the combustion chamber in response to the signal generated by the ECU, whereby spark-knock is minimized.
1 more element
A method for reducing spark-knock within a combustion chamber of a spark-ignition internal combustion engine during engine operation, said method comprising:
- empirically identifying a region inside the combustion chamber where spark-knock is likely to occur;
- detecting an occurrence of the spark-knock within the combustion chamber;
- and
- upon detecting the occurrence of the spark-knock, directing a fuel-air charge to the region of the combustion chamber where spark-knock has been identified to occur.
1 more element
Dependencies are inferred from the claim text.