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    INDUCTION HEATING COIL, INDUCTION HEATING DEVICE, AND HEATING METHOD
    1.
    发明申请
    INDUCTION HEATING COIL, INDUCTION HEATING DEVICE, AND HEATING METHOD 审中-公开
    感应加热线圈，感应加热装置和加热方法

    公开(公告)号：US20160234885A1

    公开(公告)日：2016-08-11

    申请号：US15022721

    申请日：2014-09-17

    Applicant: NETUREN CO., LTD.

    Inventor： Hidehiro YASUTAKE ,  Fumiaki IKUTA ,  Kengo FUKAZAWA

    IPC: H05B6/04 ,  H05B6/44 ,  H05B6/36

    CPC classification number: H05B6/04 ,  H05B6/102 ,  H05B6/36 ,  H05B6/40 ,  H05B6/44

    Abstract: An induction heating coil (3) has a primary coil (4) to which electric power is supplied and a ring-shaped secondary coil (5) forming a closed circuit. The primary coil (4) has a base-side portion that covers an outer periphery of the secondary coil (5) and a distal-side portion extending from the base-side portion in the center axis direction of the secondary coil (5) in a state in which the base-side portion covers the secondary coil (5). The opening width of the base-side portion is greater than the opening width of the distal-side portion. The secondary coil (5) is provided such that it can be inserted into and removed from the inside of the primary coil (4) from the base-side portion of the primary coil (4).

    Abstract translation: 感应加热线圈（3）具有供给电力的初级线圈（4）和形成闭路的环状次级线圈（5）。 初级线圈（4）具有覆盖次级线圈（5）的外周的基部侧部分和从次侧线圈（5）的中心轴线方向从基部侧延伸的前端部， 基部侧覆盖次级线圈（5）的状态。 基部侧部的开口宽度大于前端部的开口宽度。 次级线圈（5）被设置成能够从初级线圈（4）的基部侧插入到初级线圈（4）的内部并从其移除。

    HEATING APPARATUS AND HEATING METHOD
    2.
    发明申请
    HEATING APPARATUS AND HEATING METHOD 审中-公开

    公开(公告)号：US20170150553A1

    公开(公告)日：2017-05-25

    申请号：US15323520

    申请日：2015-07-09

    Applicant: NETUREN CO., LTD.

    Inventor： Hidehiro YASUTAKE ,  Yoshimasa TANAKA

    IPC: H05B6/10

    Abstract: 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.

    HEATING COIL
    5.
    发明申请
    HEATING COIL 审中-公开

    公开(公告)号：US20170099703A1

    公开(公告)日：2017-04-06

    申请号：US15315939

    申请日：2015-08-04

    Applicant: NETUREN CO., LTD.

    Inventor： Hidehiro YASUTAKE

    IPC: H05B6/38 ,  H05B6/42 ,  H05B6/10

    CPC classification number: H05B6/38 ,  H05B6/101 ,  H05B6/42

    Abstract: A heating coil is configured to inductively heat an inner surface of a tubular workpiece. The heating coil includes a head portion configured to be inserted into the workpiece and to inductively heat the inner surface of the workpiece, and a pair of lead portions connected to one end of the head portion and the other end of the head portion respectively. The head portion and the lead portions are configured as pipe members forming a series of flow channels through which coolant flows. A cross-sectional area of the flow channel inside each of the lead portion is greater than a cross-sectional area of the flow channel inside the head portion.

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