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Patent Searching and Data


Title:
TRANSFORMER
Document Type and Number:
WIPO Patent Application WO/2013/027447
Kind Code:
A1
Abstract:
[Problem] To provide a transformer that can make large improvements in productivity, general-purpose utilization, reduction in size, performance, and the like over conventional transformers. [Solution] This transformer is provided with a core (11), a first winding (15), and a second winding (13). The transformer is further provided with a bobbin (12), which is provided with low-voltage side coil winding parts (17) and high-voltage side coil winding parts (18) and which is formed by winding second windings (13) on the coil winding parts (17, 18), and a case (14) that is disposed so as to cover the periphery of the bobbin (12) and has the first winding (15) wound on the periphery thereof in correspondence with the position of the low-voltage side coil winding parts (17).

Inventors:
MIURA HIROKI (JP)
TAKAHASHI HIRONOBU (JP)
ICHIKAWA KEIICHI (JP)
Application Number:
PCT/JP2012/061050
Publication Date:
February 28, 2013
Filing Date:
April 25, 2012
Export Citation:
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Assignee:
SUMIDA CORP (JP)
MURATA MANUFACTURING CO (JP)
MIURA HIROKI (JP)
TAKAHASHI HIRONOBU (JP)
ICHIKAWA KEIICHI (JP)
International Classes:
H01F38/08; H01F30/00
Domestic Patent References:
WO2004019353A12004-03-04
Foreign References:
JPH08130127A1996-05-21
JP2002217050A2002-08-02
JP2000036416A2000-02-02
JP2002093635A2002-03-29
JPH06244033A1994-09-02
JPH01173704A1989-07-10
JPH05283245A1993-10-29
JP2004014832A2004-01-15
Attorney, Agent or Firm:
SAKAMOTO TOMOHIRO (JP)
Tomohiro Sakamoto (JP)
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Claims: