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Driving force control apparatus for four-wheel drive vehicle

  • US 20060037804A1
  • Filed: 08/19/2005
  • Published: 02/23/2006
  • Est. Priority Date: 08/23/2004
  • Status: Active Grant
First Claim
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1. A driving force control apparatus for a four-wheel drive vehicle configured to transmit a driving force of a prime mover directly to a left and a right main driving wheel and to a left and a right sub-driving wheel through a clutch, said apparatus comprising:

  • rotational speed detecting means for detecting a rotational speed of each of said main driving wheels and said sub-driving wheels;

    fastening force setting means for setting a fastening force of said clutch in accordance with a difference between the detected rotational speeds of said main driving wheels and said sub-driving wheels;

    slip stop state determining means for determining that said four-wheel drive vehicle is in a slip stop state when at least one of the detected rotational speeds of said wheels is equal to or lower than a predetermined rotational speed; and

    fastening force correcting means for correcting the fastening force of said clutch set by said fastening force setting means when said slip stop state determining means determines that said four-wheel drive vehicle is in the slip stop state.

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