Method and apparatus for measuring detonation in an internal...

Details Method and apparatus for measuring detonation in an internal... Method and apparatus for measuring detonation in an internal...

G - Physics

01

L

354/24

G01L 23/22 (2006.01) F02P 5/04 (2006.01) F02P 5/155 (2006.01)

Patent

CA 1330593

-24- Abstract of the Disclosure Method and Apparatus for Measuring Detonation in an Internal Combustion Engine A method and apparatus is provided for measuring detonation in an internal combustion engine. Vibration sensors located on the engine send signals through a filter which is tuned to the cavity resonance of the engine's cylinders. The peaks and valleys of the filtered signals are detected and ratiometrically compared one with another to determine the magnitude of detonation. The detonation information may be used by an engine control to retard timing in response to a predetermined level of detonation.

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