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公开(公告)号：US20240155743A1
公开(公告)日：2024-05-09
申请号：US18497204
申请日：2023-10-30
发明人： Kazuhiro UMETANI , Shota KAWAHARA , Daiki MIYAKE , Masataka ISHIHARA , Eiji HIRAKI , Shuichi ICHIKAWA , Yukio MIYAIRI , Masaaki MASUDA , Takuya ISHIHARA
CPC分类号： H05B6/365 , H05B6/101 , H05B2206/022
摘要： An induction heating device according to the present invention includes: an induction heating coil 10 with a conductor 100 wound around a predetermined axis line AL; a member 11 including at least one soft magnetic material 110, the at least one soft magnetic material 110 being disposed at or on an outer side of each of axial end portions 102 of the induction heating coil 10 in an extending direction of the axis line AL; and a heating object 2 disposed on an inner side of the induction heating coil 10 and the member 11, the heating object 2 being configured to be heatable by induction heating using a magnetic flux from the induction heating coil 10.
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公开(公告)号：US20240196485A1
公开(公告)日：2024-06-13
申请号：US18419870
申请日：2024-01-23
发明人： Kazuhiro UMETANI , Shota KAWAHARA , Daiki MIYAKE , Masataka ISHIHARA , Eiji HIRAKI , Shuichi ICHIKAWA , Yukio MIYAIRI , Masaaki MASUDA , Takuya ISHIHARA
IPC分类号： H05B6/36
CPC分类号： H05B6/36
摘要： An induction heating coil unit 2 according to the present invention is an induction heating coil unit 2being configured to be able to heat a heating object 1 by induction heating, wherein the induction heating coil unit 2 includes: an induction heating coil 20 wherein conductors 200 are wound around a predetermined axis line AL; and end wall portions 21 made of a soft magnetic material, the end wall portions 21 being disposed to cover at least a part of end portions on both sides of the induction heating coil 20 in an axial direction, and wherein each of the conductors 200 has an opposing surface 201 opposing to an outer peripheral surface or an inner peripheral surface of the heating object 1, and wherein the opposing surface 201 includes a parallel portion 201a extending parallel to the axis line AL.
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公开(公告)号：US20230093890A1
公开(公告)日：2023-03-30
申请号：US17580239
申请日：2022-01-20
发明人： Eiji HIRAKI , Kazuhiro UMETANI , Kouta SHIMOMURA
摘要： A control method, a controller, and a control system including a converter and the controller are provided to improve load responsiveness of control by the converter. The converter has a primary circuit that includes a voltage generation circuit for generating a square wave and a resonant circuit for converting a waveform of the generated square wave, and a secondary circuit that is electromagnetically coupled to the primary circuit and that generates an induced electromotive force. The controller controls the voltage generation circuit by a control target power factor. To implement power factor-based control, the controller controls the voltage generation circuit, based on a derived power factor derived from an active power and an apparent power relevant to the resonant circuit in the primary circuit or a derived power factor derived from a phase of the primary circuit.
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