US 12,146,565 B2
Gear unit having a shaft and a housing part
Zili Wu, Tianjin (CN)
Assigned to SEW-EURODRIVE GMBH & CO. KG, Bruchsal (DE)
Appl. No. 18/013,975
Filed by SEW-EURODRIVE GMBH & CO. KG, Bruchsal (DE)
PCT Filed Jun. 9, 2021, PCT No. PCT/EP2021/025204
§ 371(c)(1), (2) Date Dec. 30, 2022,
PCT Pub. No. WO2022/002433, PCT Pub. Date Jan. 6, 2022.
Claims priority of application No. 202010630610.5 (CN), filed on Jul. 1, 2020; and application No. 102020004408.5 (DE), filed on Jul. 22, 2020.
Prior Publication US 2024/0093776 A1, Mar. 21, 2024
Int. Cl. F16H 57/04 (2010.01); F16H 57/021 (2012.01)
CPC F16H 57/0472 (2013.01) [F16H 57/021 (2013.01); F16H 57/0471 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A gear unit, comprising:
a shaft;
a housing part;
a bearing received in the housing part; and
a flange part is connected to the housing part and sealed from the shaft by a first labyrinth seal and a second labyrinth seal, the first labyrinth seal being axially spaced apart from the second labyrinth seal;
wherein the shaft includes an elevation arranged axially between the first labyrinth seal and the second labyrinth seal; and
wherein a clear first space is arranged adjacent to the bearing, the clear fist space being adapted to supply the bearing with lubricant, a first radial bore of the flange being adapted to supply the clear first space lubricant via a first axial bore that passes through the housing part and that opens into the first radial bore of the flange.