Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 3, 2014
Patent Application Number
13362908
Date Filed
January 31, 2012
Patent Citations Received
Patent Primary Examiner
Patent abstract
Embodiments for indicating degradation of a piston-cooling jet system are provided. In one example, an engine method comprises indicating degradation of a piston-cooling jet system in response to a relationship between engine speed and oil pressure at maximum oil pump displacement conditions. In this way, engine operation may be adjusted in response to an indicated degradation.
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