US 12,435,784 B2
Gear motor including an electric motor driving a transmission
Gao Qionghua, Tianjin (CN)
Assigned to SEW-EURODRIVE GMBH & CO. KG, Bruchsal (DE)
Appl. No. 18/561,361
Filed by SEW-EURODRIVE GMBH & CO. KG, Bruchsal (DE)
PCT Filed Apr. 25, 2022, PCT No. PCT/EP2022/025175
§ 371(c)(1), (2) Date Nov. 16, 2023,
PCT Pub. No. WO2022/242900, PCT Pub. Date Nov. 24, 2022.
Claims priority of application No. 202110539507.4 (CN), filed on May 18, 2021; and application No. 102021003627.1 (DE), filed on Jul. 14, 2021.
Prior Publication US 2024/0247714 A1, Jul. 25, 2024
Int. Cl. H02K 7/08 (2006.01); F16H 57/029 (2012.01); F16H 57/031 (2012.01); F16H 57/04 (2010.01); F16H 57/02 (2012.01)
CPC F16H 57/0471 (2013.01) [F16H 57/029 (2013.01); F16H 57/031 (2013.01); F16H 57/0423 (2013.01); F16H 2057/02034 (2013.01)] 30 Claims
OG exemplary drawing
 
1. A gear motor, comprising:
a transmission including a bearing flange, a bearing rotatably mounting an output shaft of the transmission accommodated in the bearing flange, a shaft sealing ring accommodated in the bearing flange and sealing toward the output shaft, a cover disk secured to the bearing flange on a side of the bearing flange facing away from an interior of the transmission, and a housing part, the bearing flange being secured to the housing part; and
an electric motor capable to drive the transmission;
wherein the cover disk includes continuous grooves extending in a circumferential direction on a side facing the bearing flange, and a radial borehole is formed in the cover disk and capable to feed into one of the grooves.