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Method for internally jump starting an internal combustion engine for a land-based vehicle

  • US 6,765,306 B2
  • Filed: 08/27/2002
  • Issued: 07/20/2004
  • Est. Priority Date: 08/27/2002
  • Status: Expired due to Term
First Claim
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1. A method for automatically jump-starting an internal combustion engine of a land-based vehicle using equipment on-board the vehicle, the method comprising:

  • providing at least two distinct sources of electrical energy on-board the vehicle;

    monitoring each of the at least two distinct sources to determine the occurrence of a fault condition in any respective one of the two sources, the fault condition generally indicative of inability of the one source to perform an engine cranking event;

    determining whether a state-of-charge in the other one of the two sources is sufficient to supply an amount of electrical energy selected for re-energizing the respective one of the two sources with the fault condition to a predetermined level of re-energization in order to successfully perform the engine cranking event;

    selecting a re-energization strategy based on the respective characteristics of the source to supply the electrical energy relative to the source to be re-energized;

    performing an engine cranking event to start the internal combustion engine of the vehicle, the cranking event being performed once the one source being re-energized has reached the predetermined level of re-energization.

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