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    • 2. 发明申请
      US20110036832A1 METHOD AND METHOD AND ARRANGEMENT FOR DYNAMIC WAVE FORM CORRECTION FOR DYNAMIC WAVE FORM CORRECTION 有权
    • METHOD AND METHOD AND ARRANGEMENT FOR DYNAMIC WAVE FORM CORRECTION FOR DYNAMIC WAVE FORM CORRECTION
    • US20110036832A1
    • 2011-02-17
    • US12988070
    • 2009-03-03
    • Erik Svend Christiansen , Laurent Jeanneteau , Alex Viroli , Massinmo Zangoli , Thibaut Rigolle , Michael Herzog
    • Erik Svend Christiansen , Laurent Jeanneteau , Alex Viroli , Massinmo Zangoli , Thibaut Rigolle , Michael Herzog
    • H05B6/04
    • H05B6/06 , H05B6/04
    • The invention relates to a method for dynamic wave form correction of a power supply of an induction heating device (3), a) where an input power signal (Uin), especially an input voltage signal, comprising waves with an input power frequency (fin) is provided by an AC power source (1), b) where a frequency converter (2) rectifies the input power signal (Uin) into a half waves signal (Uh), especially a half wave voltage signal, b1) where a half wave of the half waves signal is delimited by two subsequent zero-crossings (tθ, t1;t1, t2; t2, t3), b2) where the time lag between the two zero-crossings defines a half wave duration (th), c) where the frequency converter (2) further converts the half waves signal (Uh) into to a working signal (Iw), especially a working current signal, for supplying the induction heating device (3), d) where in a frequency shifting operation (5) a working frequency (fw) of the working signal (Iw) is first increased from a first working base frequency (f1) to a maximum frequency of (fmax) and then decreased to a second base frequency (f2) within a time, which is smaller than the half wave duration (th), e) where the first working base frequency (f1) is not equal to the second working base frequency (f2) and/or a zero crossing (t0, t1, t2, t3) of the half wave signal (Uh) is passed within the frequency shifting operation. Furthermore, the invention relates a an arrangement for dynamic wave form correction of a power supply of an induction heating device (3), particularly according to one of the preceding claims, a) with an AC power source (1) for providing an input power signal (Uin), especially an input voltage signal, comprising waves with an input power frequency (fin), b) with a frequency converter (2) for rectifying the input power signal (Uin) into a half waves signal (Uh), especially a half wave voltage signal, b1) where the frequency converter (2) preferably comprises at least one full bridge and/or at least one half bridge and/or a single switch, b2) where a half wave of the half waves signal is delimited by two subsequent zero-crossings (tθ, t1;t1, t2; t2, t3), b3) where the time lag between the two zero-crossings defines a half wave duration (th), c) where by the
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 4. 发明授权
      US4716770A Vortex flow meter 失效
    • Vortex flow meter
    • 涡街流量计
    • US4716770A
    • 1988-01-05
    • US940581
    • 1986-12-11
    • Michael Herzog
    • Michael Herzog
    • G01F1/32 , G01P5/01
    • G01P5/01 , G01F1/3254
    • A vortex flow meter for measuring the flow velocity of a fluid in a conduit includes a bluff body disposed in the flow passage of the conduit. The bluff body generates Karman vortices whose recurrence frequency is characteristic of the flow velocity to be measured. In the bluff body a cavity is formed which via passages communicates with the flow passage of the conduit and in the cavity a capacitive vortex sensor is disposed which converts the vortex pressure fluctuations originating from the Karman vortices to capacitance changes. The capacitive vortex sensor includes a first oscillating body in the form of a sensor sleeve which is deflectable by the vortex pressure fluctuations and an electrode holder which is disposed in the sensor sleeve and is formed as second oscillating body but is uncoupled from the vortex pressure fluctuations. The electrode holder carries at least one capacitor electrode which with an opposite electrode portion of the sensor sleeve forms a measured capacitance which varies on the deflections of the sensor sleeve relatively to the electrode holder caused by vortex pressure fluctuations. However, vibrations generated by external interfering influences cause similar deflections of the two oscillating bodies and thus do not result in any capacitance changes. The capacitive vortex sensor is thus insensitive to external vibrations and other interfering influences.
    • 用于测量导管中的流体的流速的涡流流量计包括布置在导管的流动通道中的非流线形体。 虚张声势的身体产生Kármán涡流，其复发频率是要测量的流速的特征。 在非流线形体中，形成空腔，其通过通道与导管的流动通道连通，并且在空腔中设置电容涡流传感器，其将来自卡尔曼涡流的涡流压力波动转换为电容变化。 电容式涡流传感器包括传感器套筒形式的第一振动体，该第一振动体可由涡流压力波动偏转，电极夹持器设置在传感器套筒中并形成为第二振荡体，但与涡流压力波动 。 电极夹持器承载至少一个电容器电极，其中传感器套筒的相对电极部分形成测量的电容，该电容随传感器套筒相对于由涡流压力波动引起的电极夹持件的偏转而变化。 然而，由外部干扰影响产生的振动会引起两个振荡体的类似偏转，因此不会导致任何电容变化。 因此，电容式涡流传感器对外部振动和其他干扰影响不敏感。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 7. 发明授权
      US4709798A Rotary feeder to orient and feed bottle caps and similar parts 失效
    • Rotary feeder to orient and feed bottle caps and similar parts
    • 旋转进料器定向和进料瓶盖和类似零件
    • US4709798A
    • 1987-12-01
    • US28044
    • 1987-03-20
    • Michael Herzog
    • Michael Herzog
    • B65G47/14
    • B65G47/1407 , B65G47/1457 , Y10S209/919 , Y10S209/928
    • A rotary feeder for articles is provided and consists of a rotating bowl that has a domed floor and an upper ledge, an inclined stationary ramp that will carry the articles from the domed floor to the upper ledge, a stationary guide ring that has an exit port and a device for rejecting improper positioned articles before the articles are discharged from the exit ramp of the guide ring, the device including an air jet positioned radially inward from the pathway provided by the ledge and oriented to direct an air jet angled downward and radially outward toward both said ledge and the stationery guide ring or wall structure whereby crown side up caps are blown off said ledge back into said bowl and cavity side up caps are retained on the ledge and passed on to the exit port.
    • 提供用于制品的旋转进料器，其由具有圆顶地板和上部凸缘的旋转碗组成，倾斜的固定斜坡将将物品从圆顶地板运送至上部突出部;固定的导向环，具有出口 以及用于在物品从引导环的出口坡道排出之前排除不正确定位的物品的装置，该装置包括从由突出部提供的路径径向向内定位的空气喷射，并被定向成引导朝向下方并径向向外的空气喷射 朝向所述凸缘和所述文具导向环或壁结构，由此冠顶上盖从所述凸缘被吹离回所述碗中，并且空腔侧上盖保持在所述凸缘上并传递到所述出口。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
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