Title:
TRANSFORMING APPARATUS
Document Type and Number:
WIPO Patent Application WO/1999/014771
Kind Code:
A1
Abstract:
A transforming apparatus consists of a base, exciting stage (1) and power output stage (2) mounting on the base, and a case, wherein the power output stage is a closed circuit constituted of a soft magnetic core (3) which is barrel-like and opened on one side thereof, a coil (4) which surrounds radially the inside and outside wall of the soft magnetic core (3) and is not closed partly relative to a core of the exciting stage (1), two soft magnetic plates (6), one end of which is connected respectively with upper or lower end of the soft magnetic core (3), and a soft magnetic post (5) whose upper, lower end is conencted respectively with the other end of the two soft magnetic plates (6). The power output stage (2) encircles a soft magnetic post (8) of the exciting stage (1) by the soft magnetic core (3) being barrel-like and opened on one side thereof.
Inventors:
XIE DAXIN (CN)
Application Number:
PCT/CN1998/000191
Publication Date:
March 25, 1999
Filing Date:
September 17, 1998
Export Citation:
Assignee:
XIE DAXIN (CN)
International Classes:
H01F27/24; H01F27/255; (IPC1-7): H01F27/42; H01F27/28
Foreign References:
| EP0609944A1 | 1994-08-10 | |||
| US4507640A | 1985-03-26 |
Attorney, Agent or Firm:
NTD PATENT & TRADEMARK AGENCY LTD. BEIJING OFFICE (10th floor Block A Investment Plaza 27
Jinrongdajie Beijing 2, CN)
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