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SYSTEM AND METHOD FOR OFF-HIGHWAY VEHICLE ENGINE CRANKING

  • US 20120169050A1
  • Filed: 12/29/2010
  • Published: 07/05/2012
  • Est. Priority Date: 12/29/2010
  • Status: Active Grant
First Claim
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1. A method of operating an engine, the engine coupled to a traction alternator for vehicle travelling and an auxiliary alternator, comprising:

  • in an off-highway vehicle running mode of operation, charging a battery at a first voltage from the auxiliary alternator while supplying current from the traction alternator to a traction motor to propel the vehicle; and

    in a starting mode of operation, generating a second, higher voltage, from stored energy, to drive the traction alternator to at least assist in starting the engine.

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