EP 4252335 A1 20231004 - END SHIELD AND ROTOR FOR A ROTARY ELECTRIC MACHINE
Title (en)
END SHIELD AND ROTOR FOR A ROTARY ELECTRIC MACHINE
Title (de)
LAGERSCHILD UND ROTOR FÜR EINE ELEKTRISCHE DREHMASCHINE
Title (fr)
FLASQUE ET ROTOR DE MACHINE ÉLECTRIQUE TOURNANTE
Publication
Application
Priority
- FR 2012358 A 20201130
- FR 2021052067 W 20211123
Abstract (en)
[origin: WO2022112702A1] The present invention relates to an end shield (10) for a rotary electric machine, comprising one or more feed channels (12) for feeding a coolant supplied from a channel formed in a rotor lamination stack (8) or in a shaft of the rotor or between the rotor lamination stack and the shaft, wherein at least one feed channel (12) comprises a cross-sectional constriction (15), the cross-section of the feed channel decreasing and then increasing in a radial direction relative to the rotational axis (X) of the machine.
IPC 8 full level
CPC (source: EP US)
H02K 1/32 (2013.01 - EP US); H02K 7/003 (2013.01 - US); H02K 9/19 (2013.01 - EP); Y02E 10/72 (2013.01 - EP)
Citation (search report)
See references of WO 2022112702A1
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 2022112702 A1 20220602; EP 4252335 A1 20231004; FR 3116962 A1 20220603; US 2024006942 A1 20240104
DOCDB simple family (application)
FR 2021052067 W 20211123; EP 21824621 A 20211123; FR 2012358 A 20201130; US 202118254766 A 20211123