Title:
LEAKAGE TRANSFORMER
Document Type and Number:
WIPO Patent Application WO/2020/203197
Kind Code:
A1
Abstract:
The present disclosure provides a leakage transformer which is not liable to increases in electric resistance and electric power loss due to generation of leakage inductance. The leakage transformer (1) is provided with a core (2) and a printed wiring board (5). The core (2) is provided with a first magnetic leg (21) and a second magnetic leg (22). The second magnetic leg (22) is disposed at an interval from the first magnetic leg (21). The printed wiring board (5) is provided with an insulating portion (51) and a conductor wire (56). The conductor wire (56) includes a first coil (W1) and a second coil (W2). The first coil (W1) comprises a first winding wire (A1). The first coil (W1) is wound on the first magnetic leg (21) and is not wound on the second magnetic leg (22). The second coil (W2) comprises a second winding wire (A2). The second coil (W2) is provided with a first portion (P1) and a second portion (P2). The first portion (P1) is wound on the first magnetic leg (21) and is not wound on the second magnetic leg (22). The second portion (P2) is wound spanning across both the first magnetic leg (21) and the second magnetic leg (22).
Inventors:
KOTANI JUNICHI
MORIYA OSAMU
KATO HISAYOSHI
ASAHI TOSHIYUKI
MORIYA OSAMU
KATO HISAYOSHI
ASAHI TOSHIYUKI
Application Number:
PCT/JP2020/011271
Publication Date:
October 08, 2020
Filing Date:
March 13, 2020
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01F38/08; H01F27/28
Domestic Patent References:
| WO2017061329A1 | 2017-04-13 |
Foreign References:
| JP2002057045A | 2002-02-22 | |||
| JP2014063856A | 2014-04-10 |
Attorney, Agent or Firm:
HOKUTO PATENT ATTORNEYS OFFICE (JP)
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