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Title:
ELECTRIC MACHINE
Document Type and Number:
WIPO Patent Application WO/2013/014151
Kind Code:
A3
Abstract:
The invention relates to an electrical machine comprising a rotor and a stator, said rotor comprising permanent magnets and the stator comprising a coil and a stator pole which comprises stator surfaces which face the permanent magnets of the rotor, characterized in that at least one stator surface comprises a groove which is transverse to the movement direction of the rotor.

Inventors:
KLOEPZIG MARKUS (DE)
HAMANN JENS (DE)
KOERNER OLAF (DE)
Application Number:
PCT/EP2012/064495
Publication Date:
May 23, 2013
Filing Date:
July 24, 2012
Export Citation:
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Assignee:
SIEMENS AG (DE)
KLOEPZIG MARKUS (DE)
HAMANN JENS (DE)
KOERNER OLAF (DE)
International Classes:
H02K1/14; H02K21/12; H02K29/03
Domestic Patent References:
WO2003105318A12003-12-18
Foreign References:
EP0977339A22000-02-02
US6864612B12005-03-08
DE10125005A12001-12-06
EP1916754A22008-04-30
Attorney, Agent or Firm:
SIEMENS AKTIENGESELLSCHAFT (München, DE)
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