Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Steven J. Andrasko0
Matthew J. Snider0
Richard A. Barkman0
Robert T. Stockwell0
David P. Quigley0
Date of Patent
November 10, 2009
Patent Application Number
11650866
Date Filed
January 8, 2007
Patent Primary Examiner
Patent abstract
An oil life monitoring system for a diesel engine system includes a viscosity loss module, a viscosity gain module, and a remaining oil life module. The viscosity loss module determines a percentage of viscosity loss of engine oil based on fuel accumulation in the engine oil. The viscosity gain module determines a percentage of viscosity gain of engine oil based on fuel evaporation and/or soot accumulation in the engine oil. The remaining oil life module communicates with the viscosity loss module and the viscosity gain module and determines a percentage of oil life remaining based on the percentage of viscosity loss and/or the percentage of viscosity gain.
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