Electric power steering system reducer and electric power steering system
AssigneeJtekt Europe
InventorSylvain Grosso
Life of this patent
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Abstract
Reducer device having electric power steering, including a support member, an endless screw, a toothed wheel that meshes with a helical spline arranged on the endless screw, the endless screw including a first end capable of being rotated, and a second end receiving a first rotation-guiding means and a second rotation-guiding means, respectively, causing the endless screw to pivot relative to the support member, the second rotation-guiding means including a damping sleeve and a rotation-guiding device, the sleeve surrounding the rotation-guiding device, the second rotation-guiding means including a centering means including a press-fitting part inserted into the rotation-guiding device, and an attachment part rigidly connected to the support member.
Claims9
An electric power steering reduction device comprising a support, a worm screw, as well as a toothed wheel, the toothed wheel meshing on a helical spline arranged on the worm screw, the worm screw comprising a first end adapted to be driven in rotation, and a second free end, the first end and the second end receiving respectively a first rotational guiding means and a second rotational guiding means, so as to make the worm screw pivotable with respect to the support, the second rotational guiding means comprising a damping sleeve and a rotational guiding device, the sleeve surrounding the rotational guiding device, the reduction device being wherein the second rotational guiding means comprises a centering means incorporating a press-fitting part inserted within the rotational guiding device, and a fastening part integral with the support.
Dependencies are inferred from the claim text.