Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Weixin Yan0
Robert J. Horner0
Trenton W. Haines0
Wajdi B. Hamama0
Anthony E. Cubr0
Craig M. Sawdon0
Eric Ferch0
Hamid M. Esfahan0
...
Date of Patent
May 5, 2009
0Patent Application Number
118531240
Date Filed
September 11, 2007
0Patent Primary Examiner
Patent abstract
A knock detection module for an engine comprises a statistics storage module and a processing module. The statistics storage module stores M times N vibration profiles corresponding to M zones of operation of the engine and N cylinders of the engine, wherein M and N are integers greater than one. The processing module determines in which one of the M zones the engine is operating and determines whether knock has occurred for one of the N cylinders by comparing measured vibration data with a selected one of the vibration profiles corresponding to the one of the M zones and the one of the N cylinders.
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