EP 4305738 A1 20240117 - ROTARY ELECTRIC MACHINE FOR TRANSMISSION SYSTEM
Title (en)
ROTARY ELECTRIC MACHINE FOR TRANSMISSION SYSTEM
Title (de)
ELEKTRISCHE DREHMASCHINE FÜR EIN ÜBERTRAGUNGSSYSTEM
Title (fr)
MACHINE ÉLECTRIQUE TOURNANTE POUR SYSTÈME DE TRANSMISSION
Publication
Application
Priority
CN 2021080420 W 20210312
Abstract (en)
[origin: WO2022188139A1] The invention relates to a rotary electric machine (1) able to be fixed to a transmission system, notably to a gearbox, the rotary electric machine (1) having an axis of rotation (A) and comprising: -a stator (2), -a shaft (4) comprising a first end (37), the first end (37) being free and comprising a driving element (13) able to drive a rotary element of the transmission system, -a rotor (3), the rotor being fixed to the shaft (4), -a casing (41) in which the stator (3) is fixed and comprising a first bracket (6) and a second bracket (5), -a first bearing (12), notably a first rolling bearing, mounted in the first bracket (6) and guiding the rotation of the shaft (4), -a second bearing (11), notably a second rolling bearing, mounted in the second bracket (5) and guiding the rotation of the shaft (4), -a first seal (14), distinct from the first bearing (12), the first seal (14) contributing to sealing between the first bracket (6) and the shaft (4), wherein the shaft (4) comprises a sealing land (42) axially between the first bearing (12) and the rotor (3), the first seal (14) being in contact with the sealing land (42).
IPC 8 full level
H02K 5/173 (2006.01); H02K 5/10 (2006.01); H02K 5/124 (2006.01); H02K 7/116 (2006.01)
CPC (source: EP)
H02K 5/10 (2013.01); H02K 5/1732 (2013.01); H02K 5/124 (2013.01); H02K 7/116 (2013.01)
Citation (search report)
See references of WO 2022188139A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2022188139 A1 20220915; CN 116964912 A 20231027; EP 4305738 A1 20240117
DOCDB simple family (application)
CN 2021080420 W 20210312; CN 202180095499 A 20210312; EP 21714300 A 20210312