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    • 1. 发明公开
      EP0107959A3 Electrohydraulic drive for process line winders, unwinders and other equipment 失效
    • Electrohydraulic drive for process line winders, unwinders and other equipment
    • 过程线路风机，扶手和其他设备的电动驱动
    • EP0107959A3
    • 1984-07-11
    • EP83306411
    • 1983-10-21
    • Kennecott Corporation
    • Ruhl, Robert C.
    • B21C47/00 , B65H25/00
    • B21C47/02 , B65H23/1955 , B65H59/38
    • An electrohydraulic drive for process line equipment, especially a spooler that winds and pays out an indefinite length of metallic strand, varies the output torque of a hydraulic motor by controlling its displacement and the pressure differential between its inlet and outlet. A valve controlled by a proportional actuator reduces the supply pressure of the hydraulic fluid in a feed line for the motor. A sequence valve located in a return line from the motor maintains the pressure at the motor outlet at a preselected and adjustable value. During braking, fluid from the return line is directed to a regeneration circuit that includes a flow divider. A portion of the flow is returned to the feed line to conserve the fluid flow. Another portion is returned to a supply reservoir for cooling. A servo-amplifier circuit includes an integrating amplifier that compares the actual rotation speed of the motor to a speed command signal. An analog multiplier produces a control signal for the proportional actuator that is the scale product of the output signal of the "speed" amplifier and a pressure limit signal. In the preferred form a tensiometer monitors strand tension and produces an input signal to a computer that modifies the pressure limit signals. The computer interfaces with other input and output devices and also controls the speed command and displacement of the motor. An hydraulic cylinder controls the linear traversing movement of the spooler under the control of a high speed servo valve that in turn is controlled by electronic circuitry. Position, velocity and rotation speed transducers for the spooler and a position transducer for the strand provide input signals to the circuitry.
    • 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
    • 6. 发明公开
      EP0019094A1 Original document transport mechanism for an electrophotographic copier 失效
    • Original document transport mechanism for an electrophotographic copier
    • Vorlagentransport机制电子照相机Kopiergerät。
    • EP0019094A1
    • 1980-11-26
    • EP80102085.0
    • 1980-04-18
    • International Business Machines Corporation
    • Rhodes, John Huntley, Jr.
    • G03G21/00 , B65H25/00 , G03B27/46
    • G03G15/60 , G03G2215/00185
    • Atransportmechanismfororiginaldocumentsinanelec- trophotographic copier comprises a belt system (28) for feeding documents from an entry tray (24) round a closed path, including imaging station, platen (18) and gate (34), and above the imaging station, a storage station, controlled by a gate (36). A diverter (38) is movable to direct a sheet either round the path or into an exit tray (40), and a diverter (44) directs a sheet round the path or back to the entry tray. By suitably controlling the gates and diverters it is possible to store a sheet after imaging whilst a subsequent sheet is fed to the imaging station; if a copy jam is detected, the sheet can be again fed to the imaging station from the storage station. Another function is to feed back duplex originals to the entry tray in reversed orientation with respecttotheir original orientation.
    • 用于电子照相复印机中的原始文档的传送机构包括：带系统（28），用于在封闭路径（包括成像站），台板（18）和门（34）以及成像上方从入口托盘（24）馈送文件 站，由门（36）控制的存储站。 分流器（38）可移动以将片材绕路径引导或进入出口托盘（40），并且分流器（44）将片材绕路径引导或返回到入口托盘。 通过适当地控制门和分流器，可以在成像之后存储片材，而将后续片材馈送到成像站; 如果检测到复制卡纸，则该纸张可以从存储站再次馈送到成像站。 另一个功能是将双面原稿相对于其原始方向反向取向进纸盘。
    • 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. 发明公开
      EP0107959A2 Electrohydraulic drive for process line winders, unwinders and other equipment 失效
    • Electrohydraulic drive for process line winders, unwinders and other equipment
    • 电动液压驱动器用于卷绕和在生产线退绕设备和其他设备。
    • EP0107959A2
    • 1984-05-09
    • EP83306411.6
    • 1983-10-21
    • KENNECOTT CORPORATION
    • Ruhl, Robert C.
    • B21C47/00 , B65H25/00
    • B21C47/02 , B65H23/1955 , B65H59/38
    • An electrohydraulic drive for process line equipment, especially a spooler that winds and pays out an indefinite length of metallic strand, varies the output torque of a hydraulic motor by controlling its displacement and the pressure differential between its inlet and outlet. A valve controlled by a proportional actuator reduces the supply pressure of the hydraulic fluid in a feed line for the motor. A sequence valve located in a return line from the motor maintains the pressure at the motor outlet at a preselected and adjustable value. During braking, fluid from the return line is directed to a regeneration circuit that includes a flow divider. A portion of the flow is returned to the feed line to conserve the fluid flow. Another portion is returned to a supply reservoir for cooling. A servo-amplifier circuit includes an integrating amplifier that compares the actual rotation speed of the motor to a speed command signal. An analog multiplier produces a control signal for the proportional actuator that is the scale product of the output signal of the "speed" amplifier and a pressure limit signal. In the preferred form a tensiometer monitors strand tension and produces an input signal to a computer that modifies the pressure limit signals. The computer interfaces with other input and output devices and also controls the speed command and displacement of the motor. An hydraulic cylinder controls the linear traversing movement of the spooler under the control of a high speed servo valve that in turn is controlled by electronic circuitry. Position, velocity and rotation speed transducers for the spooler and a position transducer for the strand provide input signals to the circuitry.
    • 工艺线设备的电动驱动器，特别是爱假脱机做风和支付了在金属海滩的长度不定，通过控制其位移和其入口和出口之间的压力差而变化的液压马达的输出转矩。 由比例致动器控制的阀减少在用于电机的进料管线中的液压流体的供应压力。 位于从马达的返回线A顺序阀保持在所述马达出口处的压力以预选和可调值。 在制动过程中，从返回管线流体被引导至再生电路做包括一分流器。 该流的一部分返回到进料管线以节省的流体流动。 另一部分被返回到供应贮存器进行冷却。 伺服放大器电路包括在INTEGRA婷放大器做了电机的实际旋转速度进行比较，以一个速度指令信号。 模拟乘法器产生的控制信号将用于所述比例致动器那样是“速度”放大器的输出信号和压力限制信号的规模产物。 在优选的形式的张力监视海滩张力和输入信号的可生产到计算机做修改压力极限信号。 与其他输入和输出设备，因此计算机接口控制电机的速度指令和位移。 液压缸控制高速伺服阀的控制并反过来由电子电路控制下的假脱机程序的线性横动运动。 位置，速度和旋转速度传感器，用于后台处理程序和用于海滩的位置换能器提供输入信号的电路。
    • 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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