EP 4154387 A1 20230329 - ROTOR FOR AN ELECTRIC MACHINE
Title (en)
ROTOR FOR AN ELECTRIC MACHINE
Title (de)
ROTOR FÜR EINE ELEKTRISCHE MASCHINE
Title (fr)
ROTOR POUR UNE MACHINE ÉLECTRIQUE
Publication
Application
Priority
- DE 102020113625 A 20200520
- EP 2021062391 W 20210511
Abstract (en)
[origin: WO2021233724A1] The invention relates to a rotor for an electric machine, said rotor comprising a rotor axis (9), a rotor hub (6), and poles (7), wherein at least one portion of a pole (7) is connected to the rest of the rotor by means of a claw construction having at least one projection and at least one groove which interlock in a claw-like manner, and wherein the rotor comprises at least one hydraulic fastening element (1) which is positioned and designed to fasten and prestress the claw construction, wherein the hydraulic fastening element (1) comprises a sleeve (2) which encloses a space filled with hydraulic fluid (3), and wherein the hydraulic fastening element (1) comprises a device for fastening and releasing same, wherein the hydraulic fastening element (1) can be fastened by putting the hydraulic fluid (3) under a sufficiently high positive pressure.
IPC 8 full level
CPC (source: EP)
H02K 1/24 (2013.01); H02K 2201/15 (2013.01); H02K 2213/09 (2013.01)
Citation (search report)
See references of WO 2021233724A1
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)
DE 102020113625 A1 20211125; EP 4154387 A1 20230329; WO 2021233724 A1 20211125
DOCDB simple family (application)
DE 102020113625 A 20200520; EP 2021062391 W 20210511; EP 21726595 A 20210511