US 11,909,298 B2
Housing of an electric machine having an optimized sealing ring
Thieu Huy Vuong, Kaiserslautern (DE); Camilo Andres Carrillo Estupinan, Stuttgart (DE); and Stephan Geise, Ruethen (DE)
Assigned to Robert Bosch GmbH, Stuttgart (DE)
Appl. No. 17/605,646
Filed by Robert Bosch GmbH, Stuttgart (DE)
PCT Filed Apr. 1, 2020, PCT No. PCT/EP2020/059194
§ 371(c)(1), (2) Date Oct. 22, 2021,
PCT Pub. No. WO2020/216588, PCT Pub. Date Oct. 29, 2020.
Claims priority of application No. 10 2019 206 002.1 (DE), filed on Apr. 26, 2019.
Prior Publication US 2022/0209627 A1, Jun. 30, 2022
Int. Cl. H02K 9/197 (2006.01); H02K 5/20 (2006.01)
CPC H02K 9/197 (2013.01) [H02K 5/203 (2021.01)] 19 Claims
OG exemplary drawing
 
1. A housing of an electric machine (1) comprising a hollow cylindrical housing element (5) and at least one housing cover (6) which is attached to the end of the housing element (5),
wherein a cooling channel (8) is formed in the housing,
wherein the housing element (5) has at least two cooling channel portions (8.1) of the cooling channel (8),
wherein the cooling channel portions (8.1) each extend axially in respect of a housing axis (100) in the housing element (5) from respective channel end openings (13) in an end face (11) of the housing element (5),
wherein flows of two adjacent cooling channel portions (8.1) are each connected to one another via a deflection portion (8.2) formed in the housing cover (6),
wherein a gasket (7) for sealing the cooling channel (8) is arranged between the housing element (5) and the housing cover (6), wherein the gasket (7) has through-openings (20) in a region of the channel end openings (13) for conducting the cooling channel in the housing cover (6), and
wherein the gasket (7) has a ring-shaped support (10) and a sealing assembly (9) arranged on the support,
characterized in that the sealing assembly (9) encloses the support (10) in such a manner that said support (10) is completely sealed off from the cooling channel (8) of the housing.