Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
William C. Albertson0
Bryan K. Pryor0
David R. Staley0
Mike M. McDonald0
Date of Patent
March 16, 2010
0Patent Application Number
116849520
Date Filed
March 12, 2007
0Patent Primary Examiner
Patent abstract
An engine oil viscosity measurement system is provided. The system includes: a solenoid response module that determines an actual response time based on a position signal; an expected response module that determines an expected response time based on a system voltage and engine oil temperature; and a diagnostic module that diagnoses viscosity of the engine oil based on the actual response time and the expected response time.
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