Title:
COIL ASSEMBLY, COIL, CORE MEMBER, WIRE MATERIAL, METHOD AND APPARATUS MANUFACTURING THE WIRE MATERIAL, TRANSFORMER
Document Type and Number:
Japanese Patent JP3851588
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To materialize high efficiency of a coil and a coil assembly.
SOLUTION: A flat wire coil 10 which forms an α winding coil and a magnetic core part 20 of the flat wire coil 10 are provided. In the flat wire coil 10, at least the cross sectional area of a winding of the outermost peripheral side is larger than that of the winding of the innermost peripheral side. The magnetic core part 20 has: a center part 21 arranged in a space formed in the innermost periphery of the flat wire coil 10; an outer edge part 22 arranged on the outermost peripheral side of the flat wire coil 10; and a bridge part 23 connecting the center part 21 and an outer edge part 11.
Inventors:
Takeo Kawashima
Application Number:
JP2002142878A
Publication Date:
November 29, 2006
Filing Date:
May 17, 2002
Export Citation:
Assignee:
Mostech Co., Ltd.
International Classes:
H01F17/04; H01F41/10; H01F19/00; (IPC1-7): H01F17/04; H01F19/00; H01F41/10
Domestic Patent References:
| JP2003197438A | ||||
| JP2001230112A | ||||
| JP63141213A | ||||
| JP5226155A | ||||
| JP7032911U | ||||
| JP9237721A | ||||
| JP6005445A |
Attorney, Agent or Firm:
Masamichi Matsuda