US 12,449,022 B2
Drive including a transmission driven by an electric motor
Markus Lutz, Oberhausen-Rheinhausen (DE); Ingo Schütterle, Bruchsal (DE); Torsten Koker, Stutensee (DE); Markus Wöppermann, Karlsbad (DE); and Sascha Haller, Karlsruhe (DE)
Assigned to SEW-EURODRIVE GMBH & CO. KG, Bruchsal (DE)
Appl. No. 18/847,000
Filed by SEW-EURODRIVE GMBH & CO. KG, Bruchsal (DE)
PCT Filed Feb. 22, 2023, PCT No. PCT/EP2023/054479
§ 371(c)(1), (2) Date Sep. 13, 2024,
PCT Pub. No. WO2023/174660, PCT Pub. Date Sep. 21, 2023.
Claims priority of application No. 102022000902.1 (DE), filed on Mar. 15, 2022.
Prior Publication US 2025/0224022 A1, Jul. 10, 2025
Int. Cl. F16H 3/44 (2006.01); F16H 57/02 (2012.01)
CPC F16H 3/44 (2013.01) [F16H 57/02 (2013.01); F16H 2057/02034 (2013.01); F16H 2057/02043 (2013.01)] 23 Claims
OG exemplary drawing
 
21. A drive, comprising:
a transmission adapted to be driven by an electric motor and including a drive shaft having a first eccentric region radially surrounded by a first cam disk region;
wherein first rollers are accommodated in first recesses of a cage and arranged with a radial degree of freedom;
wherein the drive shaft includes a second eccentric region radially surrounded by a second cam disk region;
wherein second rollers are accommodated in second recesses of the cage and arranged with a radial degree of freedom;
wherein the drive shaft includes a third eccentric region radially surrounded by a third cam disk region;
wherein third rollers are accommodated in third recesses of the cage and arranged with a radial degree of freedom;
wherein the cage is rotationally fixed to an output shaft of the transmission;
wherein the first eccentric region is arranged in an axial direction between the second and the third eccentric region;
wherein the output shaft and the cage are rotatably mounted both relative to the cam disk regions and relative to the drive shaft;
wherein rollers are adapted to roll and/or slide on the respective cam disk region by the respective eccentric region during operation of the drive;
wherein the first recesses of the cage are rectangular slot-shaped;
wherein on a first spacer ring radially projecting nubs project into the recesses and axially delimit the first rollers.