Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ross Dykstra Pursifull3
Date of Patent
January 15, 2013
Patent Application Number
12209387
Date Filed
September 12, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
Methods for achieving efficient vehicle component heating are provided. One example method for controlling the warming of powertrain lubricants during engine warm-up from a cold start, the engine having an output crankshaft, includes selectively driving a lubricant heating device with the crankshaft during the cold start based on lubricant temperature. The method further includes directing the powertrain lubricants to the lubricant heating device.
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