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公开(公告)号：US12205753B2
公开(公告)日：2025-01-21
申请号：US17428303
申请日：2020-03-19
Inventor： Toshiyuki Asahi , Junichi Kotani , Shigeyuki Inagaki , Hironori Nagasaki
Abstract: A reactor includes a core and first and second coils wound around the core about first and second center axes extended in a first direction, respectively. The core includes first and second core legs disposed inside the first and second coils, respectively. The first and second coils are arranged in a second direction perpendicular to the first direction. The first coil includes a first wound-wire part wound around the first core leg and two first terminal parts extended from both end portions of the first wound-wire part, respectively. The second coil includes a second wound-wire part wound around the second core leg and two second terminal parts extended from both end portions of the second wiring wire part, respectively. The second coil has the same shape and the same dimension as the first coil.
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公开(公告)号：US12243678B2
公开(公告)日：2025-03-04
申请号：US17441437
申请日：2020-03-13
Inventor： Junichi Kotani , Osamu Moriya , Hisayoshi Kato , Toshiyuki Asahi
Abstract: A leakage transformer includes a core and a printed wiring board. The core includes a first magnetic leg and a second magnetic leg. The second magnetic leg is spaced from the first magnetic leg. The printed wiring board includes an insulating portion and conductor wiring. The conductor wiring includes a first coil and a second coil. The first coil is formed of a first winding and is wound around only the first magnetic leg, not around the second magnetic leg. The second coil is formed of a second winding and includes a first part and a second part. The first part is wound around only the first magnetic leg, not around the second magnetic leg. The second part is wound around both the first and second magnetic legs.
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公开(公告)号：US10607763B2
公开(公告)日：2020-03-31
申请号：US15570520
申请日：2016-05-17
Inventor： Nobuya Matsutani , Toshiyuki Asahi , Junichi Kotani , Hiroshi Tomita , Hidenori Uematsu
Abstract: A reactor includes a coil body, an exterior case, and a filler. The coil body includes a core and a coil wound around the core. The exterior case includes a metal structure and a resin frame. The metal structure has a bottom surface and a side wall provided to stand upright from the bottom surface. The bottom surface and the side wall of the metal structure are unitarily formed with each other. The frame is disposed at an opposite side to the bottom surface of the metal structure. The exterior case houses the core and the coil. The filler is filled between the exterior case and the coil body.
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公开(公告)号：US11955267B2
公开(公告)日：2024-04-09
申请号：US16962684
申请日：2019-01-15
Inventor： Toshiyuki Asahi , Junichi Kotani
Abstract: A reactor includes a first and second winding, a coupling core portion, and a first and second core portion. The coupling core portion forms a coupling magnetic path, through which a magnetic flux generated by the first winding when the first winding is energized and a magnetic flux generated by the second winding when the second winding is energized pass, which magnetically couples the first winding and the second winding together. The first core portion forms a first magnetic path, through which the magnetic flux generated by the first winding when the first winding is energized passes and is aligned with a first plane. The second core portion forms a second magnetic path, through which the magnetic flux generated by the second winding when the second winding is energized passes and is aligned with a second plane. The coupling plane intersects at right angles with the first and second plane.
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