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Linear electromechanical actuator for a steering system of a motor vehicle

  • US 7,686,125 B2
  • Filed: 03/09/2005
  • Issued: 03/30/2010
  • Est. Priority Date: 03/15/2004
  • Status: Active Grant
First Claim
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1. A linear electromechanical actuator for a centered take-off type steering system in a motor vehicle, comprising:

  • two electric motors, each of the electric motors having a stator and a rotor;

    a screw mechanism with;

    an axially stationary inner screw coupled to the rotors of the electric motors for rotating about an axis, andan outer nut rotationally fixed and axially translatable along said axis;

    connection means, axially translatable with the nut for connecting the nut to two tie rods of the steering system;

    wherein the electric motors are fixed at opposite axial end portions of the screw mechanism, and the rotors of the electric motors are keyed on two respective opposite axial end portions of the screw.

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