Global Patent Index - EP 4142962 A1

EP 4142962 A1 20230308 - SHAFT, FORMING TOOL, METHOD OF PRODUCTION AND ROTOR FOR AN ELECTRIC MACHINE

Title (en)

SHAFT, FORMING TOOL, METHOD OF PRODUCTION AND ROTOR FOR AN ELECTRIC MACHINE

Title (de)

WELLE, UMFORMWERKZEUG, HERSTELLUNGSVERFAHREN UND ROTOR FÜR EINE ELEKTRISCHE MASCHINE

Title (fr)

ARBRE, OUTIL DE MISE EN FORME, PROCÉDÉ DE PRODUCTION ET ROTOR POUR UNE MACHINE ÉLECTRIQUE

Publication

EP 4142962 A1 20230308 (DE)

Application

EP 21722387 A 20210423

Priority

  • DE 102020111679 A 20200429
  • EP 2021060617 W 20210423

Abstract (en)

[origin: WO2021219497A1] The invention relates to a shaft (1) having a central axis (2) and a fitting section (3) for forming an interlocking shaft/hub connection, wherein the fitting section (3) has radially projecting fitting structures (4) and a chamfer (6) formed on an axial end (5) of the fitting section (3) and at least partially including the fitting structures (4), wherein a distance between the radially inner edges (10, 11) of each fitting structure (4) reduces toward the axial end (5).

IPC 8 full level

B21K 1/30 (2006.01); F16D 1/072 (2006.01); F16D 1/08 (2006.01); F16D 1/10 (2006.01); F16D 1/104 (2006.01); H02K 1/28 (2006.01); H02K 15/02 (2006.01)

CPC (source: EP)

B21K 1/30 (2013.01); F16D 1/072 (2013.01); F16D 1/104 (2013.01); H02K 1/28 (2013.01); H02K 15/028 (2013.01); F16D 1/0858 (2013.01); F16D 2001/103 (2013.01)

Citation (search report)

See references of WO 2021219497A1

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 102020111679 A1 20211104; CN 115461170 A 20221209; EP 4142962 A1 20230308; WO 2021219497 A1 20211104

DOCDB simple family (application)

DE 102020111679 A 20200429; CN 202180030972 A 20210423; EP 2021060617 W 20210423; EP 21722387 A 20210423