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Actively controlled torsion bar suspension

  • US 9,150,070 B2
  • Filed: 10/18/2013
  • Issued: 10/06/2015
  • Est. Priority Date: 10/18/2013
  • Status: Active Grant
First Claim
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1. A vehicle comprising:

  • a vehicle body arranged along a first axis;

    a road wheel configured to maintain contact with a road surface; and

    a vehicle suspension corner connecting the road wheel to the vehicle body and configured to maintain contact between the road wheel and the road surface, the vehicle suspension corner including;

    a steering knuckle configured to rotatably support the road wheel;

    a torsion bar having a first bar end and a distal second bar end, wherein the torsion bar is configured to generate a spring rate and is arranged along a second axis that forms an acute angle with respect to the first axis; and

    a tensile drop link fixed relative to the steering knuckle;

    a semi-trailing arm having a first arm end and a distal second arm end, wherein the semi-trailing arm is operatively connected to the first bar end at the first arm end and to the tensile drop link at the second arm end; and

    an actuator fixed relative to the vehicle body and configured to rotate the second bar end about the second axis.

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