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公开(公告)号：US20190191496A1
公开(公告)日：2019-06-20
申请号：US16283952
申请日：2019-02-25
申请人： NETUREN CO., LTD.
CPC分类号： H05B6/103 , C21D1/10 , C21D1/42 , C21D1/667 , H05B6/101 , H05B6/365 , H05B6/42 , H05B6/44 , H05B2213/04 , Y02P10/253
摘要： A heating apparatus and a heating method are provided. The heating apparatus includes a coil configured to receive AC power to form a magnetic field that inductively heats a workpiece, a spray unit configured to spray cooling fluid including a liquid to the coil in a form of mist at least during a period in which the AC power is supplied to the coil. Alternatively, the spray unit may be configured to spray the cooling fluid in the form of mist to a heating target portion of the workpiece placed in the magnetic field at least during the period in which the AC power is supplied to the coil.
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公开(公告)号：US20170150553A1
公开(公告)日：2017-05-25
申请号：US15323520
申请日：2015-07-09
申请人： NETUREN CO., LTD.
IPC分类号： H05B6/10
摘要： A heating apparatus and a heating method are provided. The heating apparatus includes a coil configured to receive AC power to form a magnetic field that inductively heats a workpiece, a spray unit configured to spray cooling fluid including a liquid to the coil in a form of mist at least during a period in which the AC power is supplied to the coil. Alternatively, the spray unit may be configured to spray the cooling fluid in the form of mist to a heating target portion of the workpiece placed in the magnetic field at least during the period in which the AC power is supplied to the coil.
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公开(公告)号：US20210204370A1
公开(公告)日：2021-07-01
申请号：US17058398
申请日：2019-05-21
申请人： NETUREN CO., LTD.
摘要： A heating coil is configured to induction heat a workpiece having a hole. The heating coil includes first and second heating units respectively having conductors. The conductors of the first and second heating units extend in inclination directions intersecting an axial direction and a circumferential direction of an outer peripheral surface of the workpiece.
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