Patent ID: 9692295
Date: 2017-06-27
CPC Classifications: H01F,H02M,H05K

Claim:
1. A power converter comprising: a power converter circuit having a portion that generates an AC magnetic field having a magnetic flux and configured to perform power conversion of input power into output power; a case that is grounded, at least part of the power converter circuit being installed in the case; an external terminal electrically connected to the power converter circuit for connection of an external device to the converter circuit; a plurality of capacitors located electrically connected to the external terminal and to the case, the external terminal, the case, and the plurality of capacitors being arranged to provide a conductive loop defining thereinside; a first region through which the magnetic flux of the AC magnetic field penetrates from one of a first side and a second side of the conductive loop to the other of the first side and the second side of the conductive loop; and a second region through which the magnetic flux of the AC magnetic field penetrates from the other of the the first side and the second to the second side to one of the first and the second side of the conductive loop, the first side being a near side of the conductive loop closer to the portion of the power converter circuit, the second side being a far side of the conductive loop far from the portion of the power converter circuit; and a magnetic-flux shielding member configured to partly shield at least one of the first region and the second region from penetration of the magnetic flux of the AC magnetic field to adjust at least one of; and amount of the magnetic flux penetrating through one of the first region and the second region; and an amount of the magnetic flux penetrating through the other thereof, wherein: one of the first region and the second region is greater in area than the other thereof; and the magnetic-flux shielding member is configured to shield a part of one of the first region and the second region from penetration of the magnetic flux of the AC magnetic field to reduce a difference between the amount of the magnetic flux penetrating through one of the first region and the second region and the amount of the magnetic flux penetrating through the other thereof.