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Title:
A MAGNETIC FILTER AND A BUTT METHOD BETWEEN A YOKE AND AN IRON STUD OF THE MAGNETIC FILTER
Document Type and Number:
WIPO Patent Application WO/2009/146579
Kind Code:
A1
Abstract:
A magnetic filter includes three iron stud cores (2), an upper yoke (11), a lower yoke (12) and three coil assemblies (3) separately around three iron stud cores, the iron stud cores are placed symmetrically to each other in 120-degree between the upper yoke and the lower yoke, where the iron stud cores are structured in the form of a delta, the iron stud cores, the upper yoke and lower yoke are connected with in a dead joint mode, three coil assemblies are connected with phase-shifting

Inventors:
GUANG, Zhiping (B1-1501 Long-range World Building, No. 18 SuzhoujieHaidian District, Beijing 0, 100080, CN)
广治平 (中国北京市海淀区苏州街18号长远天地大厦B1座1501, Beijing 0, 100080, CN)
Application Number:
CN2008/001541
Publication Date:
December 10, 2009
Filing Date:
August 28, 2008
Export Citation:
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Assignee:
POWERTOP TECHNOLOGY (BEIJING) CO., LTD (B1-1501 Long-range World Building, No. 18 SuzhoujieHaidian District, Beijing 0, 100080, CN)
力迅电通科技(北京)有限公司 (中国北京市海淀区苏州街18号长远天地大厦B1座1501, Beijing 0, 100080, CN)
GUANG, Zhiping (B1-1501 Long-range World Building, No. 18 SuzhoujieHaidian District, Beijing 0, 100080, CN)
International Classes:
H02J3/01; H01F29/02
Foreign References:
JP2000150269A2000-05-30
CN201185348Y2009-01-21
CN101299383A2008-11-05
CN2717109Y2005-08-10
CN200997430Y2007-12-26
US4462906A1984-07-31
US20040239470A12004-12-02
Attorney, Agent or Firm:
KELONG INTERNATIONAL INTELLECTUAL PROPERTY AGENT LTD. (SUN Haochen, A-1303Horizon International Tower,No. 6 Zhichun Road, Haidian District Beijing 8, 100088, CN)
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