US 11,746,864 B2
Level adjustment device for a motor vehicle
Sebastian Sommerkorn, Weisendorf (DE); Wilfried Breton, Altdorf (DE); Markus Holzberger, Emskirchen (DE); and Tim Bartling, Aachen (DE)
Assigned to Schaeffler Technologies AG & Co. KG, Herzogenaurach (DE)
Appl. No. 16/767,650
Filed by Schaeffler Technologies AG & Co. KG, Herzogenaurach (DE)
PCT Filed Nov. 29, 2018, PCT No. PCT/DE2018/100971
§ 371(c)(1), (2) Date May 28, 2020,
PCT Pub. No. WO2019/114865, PCT Pub. Date Jun. 20, 2019.
Claims priority of application No. 10 2017 130 073.2 (DE), filed on Dec. 15, 2017.
Prior Publication US 2020/0370628 A1, Nov. 26, 2020
Int. Cl. B60G 17/02 (2006.01); F16H 25/22 (2006.01); F16H 1/20 (2006.01); F16H 25/20 (2006.01)
CPC F16H 25/2204 (2013.01) [B60G 17/021 (2013.01); F16H 1/20 (2013.01); B60G 2202/42 (2013.01); B60G 2204/418 (2013.01); B60G 2204/419 (2013.01); B60G 2500/30 (2013.01); F16H 2025/2081 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electromechanical level control device for a motor vehicle, comprising:
an electric motor having a shaft;
an actuating gear comprising:
an input gear coupled to the shaft for conjoint rotation, the input gear having at least one and at most five teeth;
an intermediate gear engaged with the input gear; and
an output gear engaged with the intermediate gear; and
the input gear, the intermediate gear, and the output gear are connected in series and have manually parallel rotation axes; and
a screw drive comprising:
a hollow threaded spindle;
a tube disposed within and attached to the hollow threaded spindle; and
a nut;
coupled to the output gear; and
drivably engaged with the hollow threaded spindle such that rotation of the nut moves the tube, wherein movement of the tube is configured to change a level of the motor vehicle.