Title:
STATOR LAMINATION AND ELECTRICAL MACHINE
Document Type and Number:
WIPO Patent Application WO/2017/161721
Kind Code:
A1
Abstract:
A stator lamination (29) for forming a stator core (3) of an electrical machine (1) and the electrical machine (1) are provided. The stator lamination (29) comprises: a body (30); a central aperture (31) formed in the body (30) and sized to receive a rotor (21) of the electrical machine (1); a series of slots (33) disposed about the central aperture (31) and formed in the body (30), each configured to hold a set of stator winding (25); and a series of closed openings (37) disposed about the series of slots (33) and formed in the body (30), each configured to allow the airflow to pass through, and a wall between the adjacent closed openings (37) forming an inner fin (39) which extends radially outward with respect to the central aperture (31). It is possible to improve the cooling efficiency of the electrical machine (1).
Inventors:
ZHU TAO (CN)
DENG SHI (CN)
VOGT BASTIAN (CN)
LIU XINHUA (CN)
MENDGEN RALF (CN)
DENG SHI (CN)
VOGT BASTIAN (CN)
LIU XINHUA (CN)
MENDGEN RALF (CN)
Application Number:
PCT/CN2016/087056
Publication Date:
September 28, 2017
Filing Date:
June 24, 2016
Export Citation:
Assignee:
BOSCH GMBH ROBERT (DE)
ZHU TAO (CN)
DENG SHI (CN)
VOGT BASTIAN (CN)
LIU XINHUA (CN)
MENDGEN RALF (CN)
ZHU TAO (CN)
DENG SHI (CN)
VOGT BASTIAN (CN)
LIU XINHUA (CN)
MENDGEN RALF (CN)
International Classes:
H02K1/20; H02K9/06
Foreign References:
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| JPH0787711A | 1995-03-31 | |||
| CN103326483A | 2013-09-25 | |||
| JP2007236045A | 2007-09-13 | |||
| CN101379677A | 2009-03-04 | |||
| CN1366142A | 2002-08-28 | |||
| CN201303261Y | 2009-09-02 | |||
| CN2292347Y | 1998-09-23 | |||
| CN202663264U | 2013-01-09 | |||
| JPH07177689A | 1995-07-14 | |||
| JPS63310340A | 1988-12-19 | |||
| US5365132A | 1994-11-15 | |||
| CN101232211A | 2008-07-30 |
Attorney, Agent or Firm:
NTD PATENT AND TRADEMARK AGENCY LIMITED (CN)
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