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Locking suspension system

  • US 7,051,851 B2
  • Filed: 11/04/2002
  • Issued: 05/30/2006
  • Est. Priority Date: 11/04/2002
  • Status: Expired due to Fees
First Claim
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1. A method for controlling frame rise on a heavy duty truck having a frame, a drive axle connected to the frame, and a selectively lockable suspension component disposed between the frame and drive axle for maintaining a relative position between the frame and drive axle, the method comprising:

  • monitoring signals indicative of vehicle operating parameters;

    calculating a predicted torque that will be applied to the drive axle based on the monitored signals;

    locking the selectively lockable suspension component if the predicted torque exceeds a predetermined threshold.

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