Global Patent Index - EP 1092258 A1

EP 1092258 A1 2001-04-18 - A rotor for an electrical alternating current machine and a method for production thereof

Title (en)

A rotor for an electrical alternating current machine and a method for production thereof

Title (de)

Läufer für eine Wechselstrommaschine und Herstellungsverfahren

Title (fr)

Rotor de machine électrique à courant alternatif et son procédé de fabrication

Publication

EP 1092258 A1 (EN)

Application

EP 99933342 A

Priority

  • SE 9901072 W
  • SE 9802327 A

Abstract (en)

[origin: WO0001056A1] In a method for production of a rotor for an electrical alternating voltage machine provided with permanent magnets a number of thin sheets are arranged in a stack (6), permanent magnets (10) are arranged in spaces formed in the stack, and a rotor body formed by the stack is stabilised by securing end sheets (7, 11) having a substantially greater thickness than said sheets on both sides of the stack. The securing of the sheets and the stack with respect to each other and at least a first end sheet (7) with respect to the stack takes place through a die casting step through introducing molten cast compound into through holes (4) extending through the sheets and by that the stack and the end sheet and against parts (8) of the front face of this end sheet while applying a high pressure.

IPC 1-7 (main, further and additional classification)

H02K 15/03; H02K 1/27

IPC 8 full level (invention and additional information)

H02K 1/27 (2006.01); H02K 15/03 (2006.01)

CPC (invention and additional information)

H02K 1/276 (2013.01); H02K 15/03 (2013.01)

Citation (search report)

See references of WO 0001056A1

Designated contracting state (EPC)

DE ES FR SE

EPO simple patent family

WO 0001056 A1 20000106; AU 4940999 A 20000117; EP 1092258 A1 20010418; SE 522370 C2 20040203; SE 9802327 D0 19980630; SE 9802327 L 19991231

INPADOC legal status


2007-01-31 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20060808

2006-04-26 [RTI1] TITLE (CORRECTION)

- Free text: A ROTOR FOR AN ELECTRICAL ALTERNATING CURRENT MACHINE AND A METHOD FOR PRODUCTION THEREOF

2001-04-18 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20001219

2001-04-18 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE ES FR SE