Title:
STATOR FOR AN ELECTRIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2010/145841
Kind Code:
A3
Abstract:
The invention relates to an advantageously 12-slot stator (2) for a preferably 10-pole brushless electric motor (1) having an even number of stator teeth (8), which, starting from a yoke (7), protrude radially inward, and having pole plates (12), which protrude at the inner tooth end (11) of at least one stator tooth (8) in the circumferential direction (13), and further having stator grooves (9), which are located between the stator teeth (8) and into which stator windings (10) are introduced using a needle winding method. Every second stator tooth (8a) is free of windings in the circumferential direction (13) and free of pole plates at the groove entry-side tooth end (11).
Inventors:
JUNAK JACEK (DE)
OMBACH GRZEGORZ (DE)
OMBACH GRZEGORZ (DE)
Application Number:
PCT/EP2010/003721
Publication Date:
August 11, 2011
Filing Date:
June 21, 2010
Export Citation:
Assignee:
BROSE FAHRZEUGTEILE (DE)
JUNAK JACEK (DE)
OMBACH GRZEGORZ (DE)
JUNAK JACEK (DE)
OMBACH GRZEGORZ (DE)
International Classes:
H02K15/095; H02K29/03
Foreign References:
| US3299335A | 1967-01-17 | |||
| EP1235327A2 | 2002-08-28 | |||
| US20080290751A1 | 2008-11-27 | |||
| JPS60128848A | 1985-07-09 | |||
| EP1473817A2 | 2004-11-03 |
Attorney, Agent or Firm:
TERGAU & POHL (Nürnberg, DE)
Download PDF: