Power steering gear

Power steering gear

  • CN 102,232,030 B
  • Filed: 12/26/2008
  • Issued: 04/20/2016
  • Est. Priority Date: 12/26/2008
  • Status: Active Grant
First Claim
Patent Images

1. a power steering gear, is installed on vehicle, and the feature of described power steering gear is, comprising:

  • Transmit than changeable mechanism, it makes the transmission between steering operation angle and deflection angle than variable;

    Friction torque setup unit, it sets the friction torque that should be applied to steering handwheel based on described steering operation angle and the speed of a motor vehicle;

    Target diversion operation angle setup unit, it comes target setting steering operation angle based on described steering operation angle and described friction torque;

    Torque applying unit, its deviation based on described target diversion operation angle and steering operation angle decides additional friction torque, and carries out the control applying described additional friction torque to steering handwheel;

    AndAdditional friction torque change unit, its based on described transmission than changing described additional friction torque.

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