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Efficient Vehicle Component Heating

  • US 20100065376A1
  • Filed: 09/12/2008
  • Published: 03/18/2010
  • Est. Priority Date: 09/12/2008
  • Status: Active Grant
First Claim
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1. A method for controlling the warming of powertrain lubricants during engine warm-up from a cold start, the engine having an output crankshaft, comprising:

  • selectively driving a lubricant heating device with the crankshaft during the cold start based on lubricant temperature; and

    directing the powertrain lubricants to the lubricant heating device.

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