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Auxiliary machine drive system of automatic engine stop-restart system equipped automotive vehicle

  • US 20030173124A1
  • Filed: 02/24/2003
  • Published: 09/18/2003
  • Est. Priority Date: 03/15/2002
  • Status: Active Grant
First Claim
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1. An auxiliary machine drive system of an automatic engine stop-restart system equipped automotive vehicle capable of automatically stopping or restarting an engine depending on vehicle operating conditions, comprising:

  • an electromagnetic clutch disposed between the engine and at least one auxiliary machine for connecting and disconnecting a crankshaft of the engine to and from the auxiliary machine;

    an electromagnetic clutch control unit deenergizing the electromagnetic clutch at least when the engine is running, and energizing the electromagnetic clutch only when a predetermined energizing condition is satisfied, the predetermined energizing condition including at least a stopped state of the engine; and

    the electromagnetic clutch comprising a normally-engaged electromagnetic clutch that is engaged when deenergized, and disengaged when energized.

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