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    • 1. 发明申请
    • PROPORTIONAL POPPET VALVE
    • 比例阀门
    • WO2005043015A3
    • 2005-11-17
    • PCT/US2004036856
    • 2004-11-03
    • ENFIELD TECHNOLOGIES LLCMCCARROLL VINCENT PHOWE R EDWINCARTER BLAKE D
    • MCCARROLL VINCENT PHOWE R EDWINCARTER BLAKE D
    • E03B1/00E03C1/00F16K20060101F16K1/38F16K31/02F16K31/08F16K31/10F17D1/00
    • F16K1/38F16K31/082F16K31/105
    • In order to provide proportional control of a poppet valve or a gate valve, adapted for fluid power applications, an electrical voice coil is used to move the gating element. Further, a preferred embodiment includes a feedback means for detecting and regulating the position of the gating element, for example to compensate for any perturbing mechanical vibrations. The result is a valve which closes securely, is infinitely variable within a range, and can make up to a full stroke, from fully closed to fully open, within 3 to 10 milliseconds, compared to the 15 milliseconds needed by a solenoid. Due to its fast response time, the improved valve mechanism provides much faster tracking of any changes in an applied command signal. Suitable applications are mechanical testing devices, and other repetitive motions situations, such as industrial automation and animatronics.
    • 为了提供适用于流体动力应用的提升阀或闸阀的比例控制,使用电音圈来移动浇口元件。 此外,优选实施例包括用于检测和调节选通元件的位置的反馈装置,例如以补偿任何扰动的机械振动。 其结果是一个安全关闭的阀门,在一定范围内无级变化,并且可以在3到10毫秒内完成从完全关闭到完全打开的全行程,而电磁阀需要15毫秒。 由于其响应时间快,改进的阀机构提供了更快的跟踪应用命令信号的任何变化。 合适的应用是机械测试设备,以及其他重复运动情况,例如工业自动化和电子动画。
    • 5. 发明申请
    • METHOD AND DEVICE FOR CONTROLLING LOAD AND VOLTAGE IN VOICE COILS
    • 用于控制声音线圈中的负载和电压的方法和装置
    • WO2009108377A1
    • 2009-09-03
    • PCT/US2009/001298
    • 2009-02-26
    • ENFIELD TECHNOLOGIES, LLCCOOK, Daniel, S.
    • COOK, Daniel, S.
    • H01H47/28
    • H02P25/034
    • A method for sensing and compensating for variances in load and voltage in a closed loop voice coil system (95) is described. A load (55) in a system (95) which included a supply voltage (45) and the load (55), which includes an inductive element, is excited with a known duty cycle for a time interval. At an end time, at the end of the time interval, the current which flows through the load (55) is sensed. A lumped term based at least in part on the time interval and a change in the load current during the time interval is calculated. The lumped term is representative of the supply voltage (45) and one or more electrical characteristic of the load (55). A control signal (25) to control a voltage applied to the load (55) may be generated based at least in part on the lumped term. Apparatus and computer- readable media are also described.
    • 描述了一种用于感测和补偿闭环音圈系统(95)中的负载和电压方差的方法。 包括电源电压(45)的系统(95)和包括电感元件的负载(55)的负载(55)以已知的占空比被激发一段时间间隔。 在结束时间,在时间间隔结束时,感测流经负载(55)的电流。 计算至少部分地基于时间间隔和时间间隔内的负载电流的变化的集总术语。 集总术语表示电源电压(45)和负载(55)的一个或多个电气特性。 可以至少部分地基于集总项来产生用于控制施加到负载(55)的电压的控制信号(25)。 还描述了装置和计算机可读介质。
    • 7. 发明申请
    • PROPORTIONAL POPPET VALVE
    • 比例POPPET阀
    • WO2005043015A2
    • 2005-05-12
    • PCT/US2004/036856
    • 2004-11-03
    • ENFIELD TECHNOLOGIES LLCMCCARROLL, Vincent, P.HOWE, R. EdwinCARTER, Blake, D.
    • MCCARROLL, Vincent, P.HOWE, R. EdwinCARTER, Blake, D.
    • F16K
    • F16K1/38F16K31/082F16K31/105
    • In order to provide proportional control of a poppet valve or a gate valve, adapted for fluid power applications, an electrical voice coil is used to move the gating element. Further, a preferred embodiment includes a feedback means for detecting and regulating the position of the gating element, for example to compensate for any perturbing mechanical vibrations. The result is a valve which closes securely, is infinitely variable within a range, and can make up to a full stroke, from fully closed to fully open, within 3 to 10 milliseconds, compared to the 15 milliseconds needed by a solenoid. Due to its fast response time, the improved valve mechanism provides much faster tracking of any changes in an applied command signal. Suitable applications are mechanical testing devices, and other repetitive motions situations, such as industrial automation and animatronics.
    • 为了提供适于流体动力应用的提升阀或闸阀的比例控制,使用电音圈来移动门控元件。 此外,优选实施例包括用于检测和调节门控元件的位置的反馈装置,例如以补偿任何扰动的机械振动。 结果是安全关闭的阀门在一个范围内是无级变化的,并且与电磁阀所需的15毫秒相比,可以在3到10毫秒内完全关闭到完全打开。 由于其响应时间快,改进的阀门机构可以更快地跟踪应用命令信号中的任何变化。 适用的应用是机械测试装置,以及其他重复运动情况,如工业自动化和动画。