US 12,448,031 B2
Electric power steering system reducer and electric power steering system
Sylvain Grosso, Lyons (FR)
Assigned to JTEKT EUROPE, Irigny (FR)
Appl. No. 17/925,208
Filed by JTEKT EUROPE, Irigny (FR)
PCT Filed May 11, 2021, PCT No. PCT/FR2021/050815
§ 371(c)(1), (2) Date Nov. 14, 2022,
PCT Pub. No. WO2021/229175, PCT Pub. Date Nov. 18, 2021.
Claims priority of application No. 2004727 (FR), filed on May 13, 2020.
Prior Publication US 2023/0192179 A1, Jun. 22, 2023
Int. Cl. B62D 5/04 (2006.01)
CPC B62D 5/0454 (2013.01) 9 Claims
OG exemplary drawing
 
1. 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.