Title:
TRANSFORMER
Document Type and Number:
Japanese Patent JP2002093633
Kind Code:
A
Abstract:
To provide a transformer that is reduced in size, easily wound with wirings, and moreover with improved efficiency and high degree of binding between the wirings.
A core 1 is formed into a shape of a bar and provided with two windings 5, 6. A small-diameter portion 3, having a cross-sectional area smaller than the other portion, is formed in the middle section of the length of the core 1. A groove-shaped portion is formed in the core 1, by forming the small-diameter portion 3 and thus the winding 5 of a smaller width is received in the small-diameter portion 3. A part of the winding 6 is wound over overlapped and outside of the winding 5 received the small-diameter portion 3.
Inventors:
FUJIWARA TORU
KAKEHASHI HIDENORI
TAKAMATSU KENICHI
NAKANO TOMOYUKI
KAKEHASHI HIDENORI
TAKAMATSU KENICHI
NAKANO TOMOYUKI
Application Number:
JP2000280665A
Publication Date:
March 29, 2002
Filing Date:
September 14, 2000
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS LTD
International Classes:
H01F1/34; H01F19/00; H01F27/255; H01F27/28; (IPC1-7): H01F27/28; H01F1/34; H01F19/00; H01F27/255
Attorney, Agent or Firm:
Keisei Nishikawa (1 person outside)