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Patent Searching and Data


Title:
ELECTRICAL MACHINE WITH LARGE NUMBER OF POLES
Document Type and Number:
WIPO Patent Application WO/2000/054391
Kind Code:
A1
Abstract:
The invention relates to an improved structure of medium frequency and low speed electrical machine, in particular suitable for machine with large number of poles. Rotor is of permanent magnetic or electrically excited or induced, and number of poles is more than or equal to 8, armature windings consist of solid conductor and are arranged in layers with equal or varying pitch in slot, each turn of conductor adjacent to wall of the slot. Compared to the prior art, the invention save copper and ferrum, improve efficiency and easy to manufacture winding. It also applies to other cases except to replace common medium frequency machine.

Inventors:
BAI XIABIN (CN)
QIU XUEMING (CN)
BAI JINGHUI (CN)
Application Number:
PCT/CN2000/000039
Publication Date:
September 14, 2000
Filing Date:
March 01, 2000
Export Citation:
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Assignee:
SHENZHEN BEILAI ELECTRIC LAB (CN)
BAI XIABIN (CN)
QIU XUEMING (CN)
BAI JINGHUI (CN)
International Classes:
H02K1/16; H02K3/12; H02K3/28; H02K19/10; H02P9/04; (IPC1-7): H02K3/12; H02K19/10
Foreign References:
GB2262136A1993-06-09
CN1106584A1995-08-09
GB1496176A1977-12-30
JPH07264789A1995-10-13
US5313131A1994-05-17
JPH02184246A1990-07-18
US4213436A1980-07-22
JPS56159996A1981-12-09
Attorney, Agent or Firm:
CHINA SINDA INTELLECTUAL PROPERTY LIMITED (China Garment Mansion 99 Jianguo Road Chaoyang District, Beijing 0, CN)
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