EP 4252334 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 2012367 A 20201130
- FR 2021052068 W 20211123
Abstract (en)
[origin: WO2022112703A1] 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) has a spray portion (18) for spraying the coolant, said spray portion (18) being placed in the last two thirds of the feed channel (12), when considered in the direction in which the coolant circulates. Figure for the abstract: Fig. 5
IPC 8 full level
CPC (source: EP US)
H02K 1/32 (2013.01 - EP US); H02K 5/15 (2013.01 - US); H02K 9/19 (2013.01 - EP US); Y02E 10/72 (2013.01 - EP)
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 2022112703 A1 20220602; EP 4252334 A1 20231004; FR 3116963 A1 20220603; US 2023344311 A1 20231026
DOCDB simple family (application)
FR 2021052068 W 20211123; EP 21823646 A 20211123; FR 2012367 A 20201130; US 202118254376 A 20211123