Title:
POWER SUPPLY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/127445
Kind Code:
A1
Abstract:
In this power supply device 1: a main circuit 3 comprises a core 30, a first common mode coil 31, a second common mode coil 32, a first connection line 33, and a second connection line 34; and a noise attenuation unit 5 includes an auxiliary coil 50 having a third winding 50D and a third coating 50E, a capacitor 54 connected to the first connection line 33, and a resonance inhibiting part 55 that has an amplification unit 52 and a low-pass filter 53 connected to an output terminal of the amplification unit 52, and that is provided between the auxiliary coil 50 and the capacitor 54.
Inventors:
WAKISAKA SHINYA (JP)
ISHIHARA YOSHIAKI (JP)
NAKATA KENICHI (JP)
ISHIHARA YOSHIAKI (JP)
NAKATA KENICHI (JP)
Application Number:
PCT/JP2022/045278
Publication Date:
July 06, 2023
Filing Date:
December 08, 2022
Export Citation:
Assignee:
TOYOTA JIDOSHOKKI KK (JP)
International Classes:
H01F37/00; H01F27/00; H02M1/14
Domestic Patent References:
| WO2020171095A1 | 2020-08-27 |
Foreign References:
| JP2010057268A | 2010-03-11 | |||
| JP2010161900A | 2010-07-22 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Download PDF: