Title:
巻鉄心及び変圧器
Document Type and Number:
Japanese Patent JP4387769
Kind Code:
B2
Abstract:
To provide a wound iron core and a transformer in which the characteristics and merits of an electromagnetic steel plate having high directivity can be sufficiently utilized.
Unit iron cores 2a are constituted by cutting off a wound band-like electromagnetic steel plate, and in the case of forming a junction part 5 by abutting respective cut ends 4, the cut ends 4 are inclined at an angle of 50-75° from a winding direction. Then the unit iron cores 2 are laminated so as to mutually have wraps 6 in the vicinity of the junction 5.
COPYRIGHT: (C)2005,JPO&NCIPI
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Inventors:
Eiji Shimomura
Hiroshi Sonobe
Murakami second son
New constitution
Hayato Suzuki
Satoshi Watanabe
Tsuyoshi Masuda
Hiroshi Sonobe
Murakami second son
New constitution
Hayato Suzuki
Satoshi Watanabe
Tsuyoshi Masuda
Application Number:
JP2003387805A
Publication Date:
December 24, 2009
Filing Date:
November 18, 2003
Export Citation:
Assignee:
Toshiba Corporation
Toshiba Industrial Equipment Manufacturing Co., Ltd.
Toshiba Industrial Equipment Manufacturing Co., Ltd.
International Classes:
H01F27/25; H01F30/00
Domestic Patent References:
| JP7130552A | ||||
| JP60115209A | ||||
| JP10223444A | ||||
| JP58068916A | ||||
| JP57106014A | ||||
| JP4093123U | ||||
| JP4026518U | ||||
| JP11186061A | ||||
| JP8250319A |
Attorney, Agent or Firm:
Tsuyoshi Sato