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公开(公告)号：US4428559A
公开(公告)日：1984-01-31
申请号：US267914
申请日：1981-05-28
IPC分类号： F15B13/044 , F15B13/04 , F16K11/07 , F16K31/04
CPC分类号： F15B13/04 , F16K11/0704 , Y10T137/86622
摘要： A direct drive type servo motor in which a spool is driven directly by a force motor, the force of the force motor being balanced by the reactional force generated by a resilient member to stabilize the position of the spool to control the flow of working fluid. The resilient member is constituted by a metallic cylindrical member having holes formed in the outer peripheral surface thereof. The holes are arranged such that, when the force is applied to the cylindrical member in the axial direction, the cylindrical member produces an axial reactional force. In consequence, the generation of force component which would act to press the spool against the sleeve is avoided to reduce the friction between the spool and the sleeve to permit a smooth movement of the spool, while allowing the resilient member to have a high spring constant to improve the response characteristic of the servo valve.
摘要翻译： 一种直接驱动型伺服电动机，其中线轴由力马达直接驱动，力马达的力由弹性构件产生的反作用力平衡，以稳定卷轴的位置以控制工作流体的流动。 弹性构件由在其外周面形成有孔的金属圆筒构件构成。 这些孔被布置成使得当沿轴向方向将力施加到圆柱形构件时，圆柱形构件产生轴向反作用力。 因此，避免了将作用以将线轴压靠套筒的力分量的产生，以减小线轴和套筒之间的摩擦，以允许线轴的平稳移动，同时允许弹性构件具有高的弹簧常数 提高伺服阀的响应特性。
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公开(公告)号：US4404892A
公开(公告)日：1983-09-20
申请号：US217844
申请日：1980-12-18
CPC分类号： H01H33/34 , H01H2033/308
摘要： A hydraulic operating apparatus including an actuating cylinder having a piston arranged therein and moved by a fluid under high pressure further includes a control valve having only one metallic seal whether the piston is at its upper or lower positions. The control valve is operative to apply the fluid under high pressure to a pressure receiving surface of the piston on the opposite side of a piston rod to move the piston in a direction in which the piston rod extends from the piston and to discharge the fluid existent on the opposite side of the piston rod from the actuating cylinder to move the piston in a direction opposite the direction in which the piston rod extends from the piston. The hydraulic operating apparatus further includes a seal for dividing the pressure receiving surface of the piston on the opposite side of the piston rod into first and second pressure receiving surface sections, the first pressure receiving surface section having an effective pressure receiving area smaller than that of a pressure receiving surface of the piston on the side of the piston rod.
摘要翻译： 包括具有布置在其中并由高压下的流体移动的活塞的致动缸的液压操作装置还包括仅活塞处于其上部或下部位置的只有一个金属密封件的控制阀。 控制阀可操作以将高压流体施加到活塞杆的相对侧上的受压表面，以使活塞沿活塞杆从活塞延伸的方向移动并排出存在的流体 在活塞杆的与驱动气缸相反的一侧上，使活塞沿与活塞杆从活塞延伸的方向相反的方向移动。 液压操作装置还包括用于将活塞杆的相对侧的活塞的受压面分成第一和第二受压面部分的密封件，第一受压面部分的有效压力接收面积小于 在活塞杆一侧的活塞的受压面。
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公开(公告)号：US4788902A
公开(公告)日：1988-12-06
申请号：US88415
申请日：1987-08-24
CPC分类号： F16C32/0666 , F04B1/2085
摘要： A thrust hydrostatic bearing device for use in an axial piston machine includes a bearing sleeve fitted into a housing cover for rotatably supporting a drive shaft through a bearing and having a plurality of hydrostatic pads. The hydrostatic pads are disposed at locations which are symmetrical with respect to an axis lying in a cross-section taken perpendicular to the drive shaft, and these pads increase the performance and durability of the thrust hydrostatic bearing device for use in an axial piston machine.
摘要翻译： 用于轴向活塞机的推力静液压轴承装置包括装配到壳体盖中的轴承套，用于通过轴承可旋转地支撑驱动轴并具有多个静压垫。 静压垫设置在相对于垂直于驱动轴的横截面中的轴对称的位置处，并且这些垫增加了用于轴向活塞机的推力静压轴承装置的性能和耐久性。
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公开(公告)号：US4529362A
公开(公告)日：1985-07-16
申请号：US575782
申请日：1984-02-01
申请人： Ken Ichiryu , Haruo Watanabe , Tadahiko Nogami
发明人： Ken Ichiryu , Haruo Watanabe , Tadahiko Nogami
CPC分类号： F04B17/03 , F04B1/2085 , F15B7/006 , F15B7/08
摘要： A servo pump for use in a hydraulic system. The servo pump is constituted by a variable displacement type hydraulic pump adapted to be driven by a high-speed motor and to hydraulically drive an actuator. The motor and the pump are housed in a common casing. The motor shaft and the pump shaft are integrated to form a common rotary shaft which is supported rotatably at both its ends by end bearings and at its intermediate portion by an intermediate bearing.
摘要翻译： 一种用于液压系统的伺服泵。 伺服泵由适应于高速电动机驱动的可变排量液压泵构成，并液压驱动致动器。 马达和泵安装在一个共同的外壳中。 电动机轴和泵轴一体形成共同的旋转轴，其两端通过端轴承可转动并且在其中间部分由中间轴承支撑。
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公开(公告)号：US4464978A
公开(公告)日：1984-08-14
申请号：US349860
申请日：1982-02-18
申请人： Ken Ichiryu , Haruo Watanabe , Masami Nemoto
发明人： Ken Ichiryu , Haruo Watanabe , Masami Nemoto
IPC分类号： F15B13/04 , F15B13/044 , H02K41/035
CPC分类号： F15B13/0402 , F15B13/0446 , H02K41/035 , Y10T137/86622
摘要： A servovalve apparatus comprising a servovalve and a force motor operatively connected to a valve element of the servovalve for driving the valve element. The force motor includes an annular magnet, and first and second members cooperating with each other to define therebetween an annular gap concentric with the annular magnet. A cylindrical coil operatively connected to the valve element is disposed in the annular gap in concentric relation therewith and is reciprocated within the annular gap in response to the electric current passing through the coil. First and second cylindrical resilient members thermally connect one and the other axial ends of the cylindrical coil to first and second stoppers, respectively, to transmit the Joule heat generated by the coil to the first and second stoppers.
摘要翻译： 一种伺服阀装置，包括伺服阀和可操作地连接到用于驱动阀元件的伺服阀的阀元件的力马达。 力马达包括环形磁体，第一和第二构件彼此配合以在其间限定与环形磁体同心的环形间隙。 可操作地连接到阀元件的圆柱形线圈设置在与其同心的环形间隙中，并响应于通过线圈的电流而在环形间隙内往复运动。 第一和第二圆柱形弹性构件将圆柱形线圈的一个和另一个轴向端部分别热连接到第一和第二止动件，以将由线圈产生的焦耳热传递到第一和第二止动件。
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公开(公告)号：US4544129A
公开(公告)日：1985-10-01
申请号：US560177
申请日：1983-12-12
申请人： Ken Ichiryu , Haruo Watanabe , Takashi Yamaguchi
发明人： Ken Ichiryu , Haruo Watanabe , Takashi Yamaguchi
IPC分类号： F15B13/04 , F15B13/044
CPC分类号： F15B13/0402 , F15B13/0446 , Y10T137/86622
摘要： A direct-acting servo valve wherein a spool is directly driven by a force motor including a coiled first bobbin located in a first magnetic circuit composed of a first yoke and a first magnet mounted on the yoke includes a second magnetic circuit composed of a second yoke and a second magnet located at one end of the spool, and a third magnetic circuit composed of third magnets and a magnetic member located at the other end of the spool. The second magnetic circuit serves as means for detecting the velocity of the spool, and the third magnetic circuit serves as means for detecting the displacement of the spool.
摘要翻译： 一种直动伺服阀，其特征在于，由马达直接驱动线轴，所述力马达包括位于由第一磁轭和安装在所述磁轭上的第一磁铁构成的第一磁路中的盘绕的第一绕线筒，所述第一磁芯包括由第二磁轭 以及位于所述线轴的一端的第二磁体，以及由所述第三磁体和位于所述线轴的另一端的磁性构件构成的第三磁路。 第二磁路用作检测阀芯的速度的装置，第三磁路用作检测阀芯位移的装置。
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公开(公告)号：USRE33171E
公开(公告)日：1990-02-27
申请号：US84205
申请日：1987-08-12
申请人： Tsuyoshi Ogasawara , Ken Ichiryu , Ichiro Nakamura , Yasuo Kido
发明人： Tsuyoshi Ogasawara , Ken Ichiryu , Ichiro Nakamura , Yasuo Kido
摘要： Disclosed is a hydraulic elevator in which the load and/or the oil temperature are detected under the running condition of a cage of the hydraulic elevator and a proper value of the deceleration delay time corresponding to this running condition is obtained to thereby control the flow of pressure-oil on the basis of the proper value of the deceleration delay time. Various values of the deceleration delay time are stored in advance in the form of table with respect to various values of load and oil temperature.
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公开(公告)号：US4534452A
公开(公告)日：1985-08-13
申请号：US607651
申请日：1984-05-07
申请人： Tsuyoshi Ogasawara , Ken Ichiryu , Ichiro Nakamura , Yasuo Kido
发明人： Tsuyoshi Ogasawara , Ken Ichiryu , Ichiro Nakamura , Yasuo Kido
摘要： Disclosed is a hydraulic elevator in which the load and/or the oil temperature are detected under the running condition of a cage of the hydraulic elevator and a proper value of the deceleration delay time corresponding to this running condition is obtained to thereby control the flow of pressure-oil on the basis of the proper value of the deceleration delay time. Various values of the deceleration delay time are stored in advance in the form of table with respect to various values of load and oil temperature.
摘要翻译： 公开了一种液压升降机，其中在液压升降机的轿厢的运行状态下检测到载荷和/或油温，并且获得与该运行条件相对应的减速延迟时间的适当值，从而控制 基于减速延迟时间的适当值的压油。 减速延迟时间的各种值相对于各种负载和油温值预先存储在表的形式中。
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公开(公告)号：US3955649A
公开(公告)日：1976-05-11
申请号：US441899
申请日：1974-02-12
CPC分类号： B66B1/24 , B66B1/405 , B66B1/50 , Y02B50/146
摘要： A floor level correcting device used in a hydraulic elevator comprises means for electrically detecting the vertical position of the elevator cage with respect to the floor landing and driving means for level correction, provided independent of a main power unit for driving the elevator cage. The detecting means comprises means provided in the elevator shaft and means provided in the elevator cage which detect, in co-operation with each other, the level of the cage with respect to the floor landing of the building in particular whether the cage is stopped in the proper landing position or shifted therefrom, so as to produce an electrical signal in accordance with the detected cage level to transmit the signal to the driving means for level correction. The driving means for level correction comprises an accumulator and an electromagnetic valve and the electromagnetic valve is actuated by the electric signal from the position detecting means, so that the hydraulic fluid in a cylinder forming a part of the driving mechanism of the elevator is withdrawn into a tank, or the hydraulic fluid in the accumulator is conducted into the cylinder to thereby correct the level of the cage.
摘要翻译： 在液压升降机中使用的地板水平校正装置包括用于电检测电梯轿厢相对于地板着陆的垂直位置的装置和用于驱动电梯轿厢的主电源单元独立设置的用于电平校正的驱动装置。 检测装置包括设置在电梯井中的装置和设置在电梯轿厢中的装置，其相互协调地检测轿厢相对于建筑物的地板楼层的高度，特别是轿厢是否停止 正确的着陆位置或从其移位，以便根据检测到的轿厢电平产生电信号，以将信号发送到驱动装置进行电平校正。 用于电平校正的驱动装置包括蓄电池和电磁阀，并且电磁阀由来自位置检测装置的电信号致动，使得形成电梯的驱动机构的一部分的气缸中的液压流体被撤回 蓄能器或蓄液器中的液压流体被引导到气缸中，从而校正保持架的水平。
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公开(公告)号：US4215723A
公开(公告)日：1980-08-05
申请号：US801302
申请日：1977-05-27
申请人： Ken Ichiryu , Ichiro Nakamura , Katsumasa Matsuura
发明人： Ken Ichiryu , Ichiro Nakamura , Katsumasa Matsuura
IPC分类号： F15B13/043 , F15B13/00 , F15B13/04
CPC分类号： F15B13/0402 , Y10T137/86606 , Y10T137/86614 , Y10T137/8663
摘要： A fluid pressure servo valve assembly driven by a pilot servo valve assembly and having a valve body formed therein with a cylindrical bore, input ports and output ports opening in the cylindrical bore, a spool valve member fitted in the cylindrical bore for axial reciprocatory movement and including axially spaced lands for connecting and disconnecting the input ports with the output ports as the spool valve member moves in axial reciprocatory movement in the cylindrical bore, a sealed annular space defined by an annular recess formed in the peripheral surface of the cylindrical bore of the valve body and an outer peripheral surface of one of the lands of the spool valve member, a piston member integrally connected to the outer periphery of the one of the lands of the spool valve member and extending radially outwardly therefrom into the annular space to divide the same into two pressure chambers, and passages for communicating the two pressure chambers with the pilot servo valve assembly. An actuating pressurized fluid is introduced alternately into one or the other of the two pressure chambers from the pilot servo valve assembly so as to cause the spool valve member connected to the piston member to move in axial reciprocatory movement in the cylindrical bore.
摘要翻译： 一个由先导伺服阀组件驱动并具有形成在其中的阀体的流体压力伺服阀组件，其中圆柱形孔，在圆柱孔中开口的输入端口和输出端口，安装在用于轴向往复运动的圆柱形孔中的滑阀构件， 包括轴向间隔开的平台，用于当所述滑阀构件在所述圆柱形孔中沿轴向往复运动时，将所述输入端口与所述输出端口连接和断开;密封环形空间，其由形成在所述圆柱形孔 阀体和滑阀构件的一个平台的外周面;活塞构件，其与滑阀构件的一个凸台的外周一体地连接并从其向径向向外延伸到环形空间中， 相同的两个压力室，以及用于使两个压力室与先导伺服阀连通的通道 mbly 致动压力流体从先导伺服阀组件交替地引入到两个压力室中的一个或另一个中，以使得连接到活塞构件的滑阀构件在圆柱孔中轴向往复运动。
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