ADJUSTABLE LOW FREQUENCY HYDROFLUIDIC OSCILLATOR
    1.
    发明申请
    ADJUSTABLE LOW FREQUENCY HYDROFLUIDIC OSCILLATOR 审中-公开
    可调节低频氢化振荡器

    公开(公告)号:WO1993022565A1

    公开(公告)日:1993-11-11

    申请号:PCT/US1992008708

    申请日:1992-10-13

    CPC classification number: F15C1/22 Y10T137/2185 Y10T137/2234 Y10T137/2262

    Abstract: A hydrofluidic oscillator including a momentum exchange fluidic amplifier (10) coupled to a four-way reciprocal valve (12). The four-way valve is connected to control flow of hydraulic fluid from a source (42) thereof to a using apparatus (C1, C2). The fluidic amplifier is connected to provide input signals (90, 80) to the four-way valve to cause the four-way to reciprocate responsive to the input signals. Both negative (84, 94) and positive (88, 98) feedback paths are provided from each outlet (16, 18) of the fluidic amplifier to the respective control ports (20, 22) to control oscillation of the four-way valve.

    METHODS AND APPARATUS FOR SPLITTING AND DIRECTING A PRESSURIZED FLUID JET WITHIN A SERVOVALVE
    2.
    发明申请
    METHODS AND APPARATUS FOR SPLITTING AND DIRECTING A PRESSURIZED FLUID JET WITHIN A SERVOVALVE 审中-公开
    用于在伺服器中分离和引导加压流体喷射的方法和装置

    公开(公告)号:WO2006060640A1

    公开(公告)日:2006-06-08

    申请号:PCT/US2005/043589

    申请日:2005-12-01

    Inventor: ACHMAD, Muchlis

    Abstract: A jet reflector servovalve includes a flexure tube and reflector that opposes a fluid nozzle and fluid receivers of the servovalve. During operation, the nozzle directs a pressurized fluid jet toward the reflector. The pressurized fluid travels within a second stage of the servovalve, toward the reflector. The reflector directs or reflects the fluid back toward the fluid receivers to adjust a position of a spool of the servovalve. The configuration of the reflector, the nozzle, and the receivers allows transmission of the pressurized fluid within the second stage of the servovalve and minimizes the necessity for multiple o-rings between the second stage of the servovalve and a torque motor of the servovalve, thereby reducing manufacturing costs of the servovalve.

    Abstract translation: 喷射反射器伺服阀包括挠性管和反射器,其与流体喷嘴和伺服阀的流体接收器相对。 在操作期间,喷嘴将加压流体射流引向反射器。 加压流体在伺服阀的第二级内朝向反射器行进。 反射器将流体引导或反射回流体接收器以调节伺服阀的线轴的位置。 反射器,喷嘴和接收器的配置允许在伺服阀的第二级内的加压流体的传输,并且使伺服阀的第二级与伺服阀的扭矩电机之间的多个O形环的必要性最小化,由此 降低伺服阀的制造成本。

    PRESSURE BALANCED SOLENOID VALVE
    3.
    发明申请
    PRESSURE BALANCED SOLENOID VALVE 审中-公开
    压力平衡电磁阀

    公开(公告)号:WO1995030103A1

    公开(公告)日:1995-11-09

    申请号:PCT/US1994007349

    申请日:1994-06-29

    Applicant: HR TEXTRON INC

    CPC classification number: F16K31/0693 F16K39/022

    Abstract: A solenoid valve for use in controlling the flow of pneumatic fluid under pressure between a pair of flow ports defined by a housing. The flow of fluid is controlled by a spool disposed within a bore and is movable between first and second positions. When in one of said first and second positions, the spool blocks communication between the ports and when in the other of said positions it allows communication between the flow ports. The spool is reciprocated by a motor means which includes a core of magnetic material connected to the spool so that when the motor is energized, the spool is placed in one of its first and second positions and when the motor is de-energized, a spring moves the spool to the other of its positions.

    Abstract translation: 一种电磁阀,用于控制在由壳体限定的一对流动端口之间的压力下的气动流体的流动。 流体的流动由设置在孔内的线轴控制,并且可在第一和第二位置之间移动。 当在所述第一和第二位置中的一个位置时,所述阀芯阻止所述端口之间的通信,并且当在所述位置中的另一个位置时,所述端口允许所述流动端口之间的通信。 阀芯通过电动机装置往复运动,该电动机装置包括连接到阀芯的磁性材料芯,使得当电动机通电时,阀芯被放置在其第一和第二位置之一中,并且当电动机断电时,弹簧 将线轴移动到其他位置。

    METHODS AND APPARATUS FOR MECHANICALLY ADJUSTING A NULL OFFSET IN A TORQUE MOTOR OF A SERVOVALVE
    4.
    发明申请
    METHODS AND APPARATUS FOR MECHANICALLY ADJUSTING A NULL OFFSET IN A TORQUE MOTOR OF A SERVOVALVE 审中-公开
    用于在伺服器的扭矩电机中机械调节空位偏移的方法和装置

    公开(公告)号:WO2006050024A1

    公开(公告)日:2006-05-11

    申请号:PCT/US2005/038763

    申请日:2005-10-27

    Abstract: A servovalve assembly includes a motor having a flapper shaft (112). A flapper (114) couples to a first end of the flapper shaft such that the flapper shaft orients the flapper between a first nozzle (118) and a second nozzle (120) of the servovalve assembly. An adjustment assembly adjusts a position of the flapper relative to the nozzles of the servovalve. The adjustment assembly enables a servovalve manufacturer to set the flapper of the servovalve at a null position without disassembling the servovalve. Rather, the manufacturer is capable of simply installing the adjustment assembly and deforming an arm portion of the adjustment assembly for proper null position calibration.

    Abstract translation: 伺服阀组件包括具有挡板轴(112)的马达。 挡板(114)联接到挡板轴的第一端,使得挡板轴将挡板定向在伺服阀组件的第一喷嘴(118)和第二喷嘴(120)之间。 调节组件相对于伺服阀的喷嘴调节挡板的位置。 调节组件使得伺服阀制造商能够将伺服阀的挡板设置在零位置而不拆卸伺服阀。 相反,制造商能够简单地安装调整组件并使调整组件的臂部分变形以进行适当的零位置校准。

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