US 12,366,282 B2
Gear motor including an electric motor and a gearbox
Jens Schillinger, Rastatt (DE); Sven Wurzer, Graben-Neudorf (DE); Stefan Hannet, Schwetzingen (DE); Markus Lutz, Oberhausen-Rheinhausen (DE); Markus Wöppermann, Karlsbad (DE); and Philipp Abele, Hirschberg (DE)
Assigned to SEW-EURODRIVE GMBH & CO. KG, Bruchsal (DE)
Appl. No. 18/708,695
Filed by SEW-EURODRIVE GMBH & CO. KG, Bruchsal (DE)
PCT Filed Nov. 2, 2022, PCT No. PCT/EP2022/080605
§ 371(c)(1), (2) Date May 9, 2024,
PCT Pub. No. WO2023/083669, PCT Pub. Date May 19, 2023.
Claims priority of application No. 102021005553.5 (DE), filed on Nov. 9, 2021.
Prior Publication US 2024/0418241 A1, Dec. 19, 2024
Int. Cl. F16H 1/28 (2006.01); F16H 57/023 (2012.01); F16H 57/04 (2010.01); F16H 57/02 (2012.01)
CPC F16H 1/28 (2013.01) [F16H 57/023 (2013.01); F16H 57/0464 (2013.01); F16H 57/0486 (2013.01); F16H 2057/02034 (2013.01)] 24 Claims
OG exemplary drawing
 
16. A gear motor, comprising:
an electric motor including a stator housing, a first bearing, and a rotor shaft mounted on the first bearing;
a gearbox including a housing part;
a coupling sleeve arranged on the rotor shaft and connected to the rotor shaft for conjoint rotation; and
a second bearing including an inner ring arranged on the coupling sleeve and an outer ring accommodated in an adapter ring connected to the housing part of the gearbox for conjoint rotation;
wherein the adapter ring is connected, on a side thereof facing away from the housing part, to a square circular flange that is connected, on a side thereof facing away from the adapter ring, to a circular flange connected to the stator housing; and
wherein a plain bearing bush is arranged on the rotor shaft and is accommodated in a bore of a square flange, an annular gap being present between the plain bearing bush and the rotor shaft.