High-frequency pulse oscillator
    1.
    发明授权

    公开(公告)号:US07115843B2

    公开(公告)日:2006-10-03

    申请号:US11041221

    申请日:2005-01-25

    IPC分类号: H05B1/02

    摘要: The present invention generally relates to a high-frequency pulse oscillator, and more particularly to a high-frequency pulse oscillator adapted to provide pulse currents having a high frequency and large amplitude so as to transition metallic materials into a plastic state for ease of processing or for closing microcracks formed in metallic parts in order to recover mechanical characteristics thereof. The high-frequency pulse oscillator of the present invention comprises a controllable rectifier, a switching section, and a control system. The controllable rectifier rectifies alternating currents supplied from a current source to output currents having a predetermined waveform, according to a control signal from the control system. The switching section generates pulse currents using the currents from the rectifier, according to another control signal from the control system. The switching section comprises at least one switching block, which is connected so that the amplitude of the pulse currents is increased. The control system controls the rectifier and the switching section according to the signals to start, stop, and reset the operation of generating the pulse currents and the signals to specify or change the frequency and amplitude of the pulse currents, so that the generated pulse currents may have desired frequency and amplitude. The pulse currents generated in the high-frequency pulse oscillator enable the manufacture of various structural parts without degrading their structure.

    Electric heating type rolling device
    2.
    发明授权
    Electric heating type rolling device 失效
    电加热型滚动装置

    公开(公告)号:US07028522B2

    公开(公告)日:2006-04-18

    申请号:US10615830

    申请日:2003-07-10

    IPC分类号: B21B27/06

    摘要: An electric heating type rolling device comprises work rolls for rolling a metal strip, a power supply for generating a pulse current, a pair of upstream contact members which are disposed in a location before the metal strip passes through the work rolls, and a pair of downstream contact members which are disposed opposite to the upstream contact members in a location after the metal strip has been rolled by the work rolls and passed thereby. The contact members are electrically connected to the power supply. Each contact member includes a first contact portion contacting the metal strip, a flat portion which is extended from the first contact portion toward the work rolls while being spaced apart from the metal strip, and a second contact portion which is extended from the flat portion to contact the metal strip.

    摘要翻译: 电加热型滚动装置包括用于轧制金属带的工作辊,用于产生脉冲电流的电源,设置在金属带穿过工作辊之前的位置的一对上游接触构件,以及一对 下游接触构件,其在金属带已经被工作辊轧制并通过之后的位置中与上游接触构件相对设置。 接触构件电连接到电源。 每个接触构件包括接触金属带的第一接触部分,从第一接触部分向着工作辊延伸的平坦部分,同时与金属条隔开;以及第二接触部分,其从平坦部分延伸到 接触金属条。

    High-frequency pulse oscillator
    4.
    发明申请
    High-frequency pulse oscillator 失效
    高频脉冲振荡器

    公开(公告)号:US20060050536A1

    公开(公告)日:2006-03-09

    申请号:US11041221

    申请日:2005-01-25

    IPC分类号: H02J1/00

    摘要: The present invention generally relates to a high-frequency pulse oscillator, and more particularly to a high-frequency pulse oscillator adapted to provide pulse currents having a high frequency and large amplitude so as to transition metallic materials into a plastic state for ease of processing or for closing microcracks formed in metallic parts in order to recover mechanical characteristics thereof. The high-frequency pulse oscillator of the present invention comprises a controllable rectifier, a switching section, and a control system. The controllable rectifier rectifies alternating currents supplied from a current source to output currents having a predetermined waveform, according to a control signal from the control system. The switching section generates pulse currents using the currents from the rectifier, according to another control signal from the control system. The switching section comprises at least one switching block, which is connected so that the amplitude of the pulse currents is increased. The control system controls the rectifier and the switching section according to the signals to start, stop, and reset the operation of generating the pulse currents and the signals to specify or change the frequency and amplitude of the pulse currents, so that the generated pulse currents may have desired frequency and amplitude. The pulse currents generated in the high-frequency pulse oscillator enable the manufacture of various structural parts without degrading their structure.

    摘要翻译: 本发明一般涉及一种高频脉冲振荡器,更具体地说,涉及一种高频脉冲振荡器,其适用于提供具有高频率和大振幅的脉冲电流,以便将金属材料过渡到塑性状态以便于处理或 用于闭合形成在金属部件中的微裂纹以恢复其机械特性。 本发明的高频脉冲振荡器包括可控整流器,开关部分和控制系统。 可控整流器根据来自控制系统的控制信号对从电流源提供的交流电流进行整流以输出具有预定波形的电流。 根据来自控制系统的另一控制信号,开关部分使用来自整流器的电流产生脉冲电流。 切换部分包括至少一个切换块,其被连接成使得脉冲电流的幅度增加。 控制系统根据信号控制整流器和开关部分,以启动,停止和复位产生脉冲电流和信号的操作,以指定或改变脉冲电流的频率和幅度,从而产生的脉冲电流 可能具有期望的频率和幅度。 在高频脉冲振荡器中产生的脉冲电流能够制造各种结构部件而不降低其结构。