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    Pressurized fluid feed system
    1.
    发明授权
    Pressurized fluid feed system 失效
    加压流体供料系统

    公开(公告)号：US5794510A

    公开(公告)日：1998-08-18

    申请号：US617758

    申请日：1996-03-15

    申请人： Toshiro Takano ,  Yoichi Netsu ,  Mitsumasa Akashi

    发明人： Toshiro Takano ,  Yoichi Netsu ,  Mitsumasa Akashi

    IPC分类号： E02F9/22 ,  F15B11/16

    CPC分类号： E02F9/2225 ,  E02F9/2296

    摘要： A pressurized fluid feed system including a pressure compensating valve and directional control valve disposed between a hydraulic pump and a boom cylinder, and a pressure compensating valve and a directional control valve disposed between the hydraulic pump and a turning motor. Each pressure compensating valve comprise a check valve section and a pressure reduction valve section. The check valve section has an inlet port connected to the said hydraulic pump, an outlet port connected to the directional control valve, a spool for establishing and blocking communication between the inlet and outlet ports and a pressure chamber for applying pressure to the spool. The pressure reduction valve section has a first port connected to the said hydraulic pump, a second port connected to a reservoir, and a spool for establishing and blocking communication between the first and second ports. The check valve section of the pressure compensating valve for the turning motor allows a variable flow rate when the turning motor is singly operated and is moved to provide a fixed throttled flow when the boom cylinder and the turning motor are simultaneously operated. There is a check valve (118) connected between the pump and both the pressure chamber (63a) and the first port (42), which prevents communication between the pump and both the pressure chamber and the first port, when the boom cylinder and the turning motor are simultaneously operated.

    摘要翻译： PCT No.PCT / JP94 / 01607 Sec。 371日期：1996年3月15日 102（e）1996年3月15日PCT 1994年9月28日PCT公布。 出版物WO95 / 09282 日期1995年04月6日一种压力流体供给系统，包括设置在液压泵和动臂缸之间的压力补偿阀和方向控制阀，以及设置在液压泵和转向马达之间的压力补偿阀和方向控制阀。 每个压力补偿阀包括止回阀部分和减压阀部分。 止回阀部分具有连接到所述液压泵的入口端口，连接到方向控制阀的出口端口，用于建立和阻断入口和出口之间的连通的阀芯以及用于向阀芯施加压力的压力室。 减压阀部分具有连接到所述液压泵的第一端口，连接到储液器的第二端口和用于建立和阻断第一和第二端口之间的连通的阀芯。 用于转动电动机的压力补偿阀的止回阀部分允许当转动电动机单独操作时可变的流量，并且当动臂液压缸和转动电动机同时操作时移动以提供固定节流。 连接在泵与压力室（63a）和第一端口（42）之间的止回阀（118），当止回阀缸和第一端口（42）处于与压力室和第一端口两者之间的连通时， 转动马达同时运转。

    Hydraulic apparatus for traveling
    2.
    发明授权
    Hydraulic apparatus for traveling 失效
    液压装置

    公开(公告)号：US5701796A

    公开(公告)日：1997-12-30

    申请号：US687444

    申请日：1996-08-14

    申请人： Toshiro Takano ,  Mitsumasa Akashi

    发明人： Toshiro Takano ,  Mitsumasa Akashi

    IPC分类号： E02F9/22 ,  B60K17/10 ,  F15B11/00 ,  F15B11/05 ,  F15B11/16 ,  F15B13/00 ,  F15B13/08

    CPC分类号： F15B13/0839 ,  F15B11/16 ,  F15B13/0896 ,  F15B2211/20553 ,  F15B2211/25 ,  F15B2211/30535 ,  F15B2211/3059 ,  F15B2211/315 ,  F15B2211/351 ,  F15B2211/50527 ,  F15B2211/50563 ,  F15B2211/5151 ,  F15B2211/6051 ,  F15B2211/6058 ,  F15B2211/6355 ,  F15B2211/7058 ,  F15B2211/71 ,  F15B2211/75 ,  F15B2211/78

    摘要： In a hydraulic apparatus for traveling, a left direction switching valve is formed by forming a spool bore having a pump port, an actuator port and a return port in a first valve block, and by disposing a spool within the spool bore for establishing and blocking communication of respective of the ports to another of the ports, a right direction switching valve is formed by forming a spool bore having a pump port, an actuator port and a return port in a second valve block, and by disposing a spool within the spool bore for establishing and blocking communication of respective of the ports to another of the ports, and a switching valve is formed by forming a spool bore having a primary port and a drain port in a third valve block, and by disposing a spool within the spool bore for establishing and blocking communication between respective of the ports and another of the ports. The first and second valve blocks are respectively connected with the third valve block to communicate respective of the return ports and the drain port.

    摘要翻译： PCT No.PCT / JP95 / 00317 Sec。 371日期：1996年8月14日 102（e）日期1996年8月14日PCT提交1995年2月28日PCT公布。 公开号WO95 / 23260 日期：1995年8月31日在用于行进的液压装置中，通过在第一阀块中形成具有泵口，致动器端口和返回端口的阀芯孔，并且通过在阀芯内设置阀芯来形成左转换切换阀 用于建立和阻止各个端口与另一个端口的通信的孔，右方向切换阀通过在第二阀块中形成具有泵口，致动器端口和返回端口的卷轴孔而形成，并且通过布置 阀芯内的阀芯，用于建立和阻止各端口与另一端口的连通，并且通过在第三阀块中形成具有主端口和排出端口的阀芯孔形成切换阀，并且通过处理 阀芯内的阀芯，用于建立和阻止相应端口与另一端口之间的通信。 第一阀块和第二阀块分别与第三阀块连接，以使回流端口和排放端口相互连通。

    Electric lever device
    3.
    发明授权
    Electric lever device 有权
    电动杠杆装置

    公开(公告)号：US08468909B2

    公开(公告)日：2013-06-25

    申请号：US13130236

    申请日：2009-11-16

    申请人： Shuuji Hori ,  Mitsumasa Akashi ,  Hiroyuki Chikugo

    发明人： Shuuji Hori ,  Mitsumasa Akashi ,  Hiroyuki Chikugo

    IPC分类号： G05G5/06

    CPC分类号： G05G1/04 ,  E02F9/2004 ,  G05G5/04 ,  Y10T74/20612

    摘要： An electric lever device includes a detent mechanism 6 between the rotational center shaft 3 and the handgrip 2. The detent mechanism 6 includes a pressing unit 10 including a through hole 11 formed in an axis C1 direction of the operation lever 1, an extension coil spring 12 inserted into the through hole 11 and balls 13a and 13b provided on both ends of the extension coil spring 12 for generating pressing force in the axis C 1 direction, and a guide unit 20 for guiding movement in a circumferential direction of the axis C 1 and changing the pressing force by changing a guide width in the axis C1 direction to apply a load to the movement of the operation lever 1 together with pulling force of a twisted coil spring 30.

    摘要翻译： 电动杠杆装置包括在旋转中心轴3和手柄2之间的止动机构6.止动机构6包括按压单元10，该按压单元10包括沿操作杆1的轴线C1方向形成的通孔11，延伸螺旋弹簧 插入到贯通孔11中的滚珠13a和13b以及设置在延伸螺旋弹簧12的两端上的滚珠13a和13b，用于在轴线C 1方向上产生加压力;以及引导单元20，用于沿轴线C 1的圆周方向引导运动 并且通过改变沿轴线C1方向的引导宽度来改变按压力，以便与扭转螺旋弹簧30的拉力一起向操作杆1的运动施加负载。

    ELECTRIC LEVER
    5.
    发明申请
    ELECTRIC LEVER 有权
    电动杠杆

    公开(公告)号：US20110226087A1

    公开(公告)日：2011-09-22

    申请号：US13130236

    申请日：2009-11-16

    申请人： Shuuji Hori ,  Mitsumasa Akashi ,  Hiroyuki Chikugo

    发明人： Shuuji Hori ,  Mitsumasa Akashi ,  Hiroyuki Chikugo

    IPC分类号： G05G1/04

    CPC分类号： G05G1/04 ,  E02F9/2004 ,  G05G5/04 ,  Y10T74/20612

    摘要： An electric lever device includes a detent mechanism 6 between the rotational center shaft 3 and the handgrip 2. The detent mechanism 6 includes a pressing unit 10 including a through hole 11 formed in an axis C1 direction of the operation lever 1, an extension coil spring 12 inserted into the through hole 11 and balls 13a and 13b provided on both ends of the extension coil spring 12 for generating pressing force in the axis C 1 direction, and a guide unit 20 for guiding movement in a circumferential direction of the axis C 1 and changing the pressing force by changing a guide width in the axis C1 direction to apply a load to the movement of the operation lever 1 together with pulling force of a twisted coil spring 30.

    摘要翻译： 电动杠杆装置包括在旋转中心轴3和手柄2之间的止动机构6.止动机构6包括按压单元10，该按压单元10包括沿操作杆1的轴线C1方向形成的通孔11，延伸螺旋弹簧 插入到贯通孔11中的滚珠13a和13b以及设置在延伸螺旋弹簧12的两端上的滚珠13a和13b，用于在轴线C 1方向上产生加压力;以及引导单元20，用于沿轴线C 1的圆周方向引导运动 并且通过改变沿轴线C1方向的引导宽度来改变按压力，以便与扭转螺旋弹簧30的拉力一起向操作杆1的运动施加负载。

    Differential pressure sensor
    6.
    发明授权
    Differential pressure sensor 有权
    差压传感器

    公开(公告)号：US07930943B2

    公开(公告)日：2011-04-26

    申请号：US12449025

    申请日：2008-01-11

    申请人： Masato Kageyama ,  Mitsumasa Akashi

    发明人： Masato Kageyama ,  Mitsumasa Akashi

    IPC分类号： G01L13/02

    CPC分类号： G01L13/025

    摘要： In order to reduce hysteresis and other noise components included in the output signal characteristic of a differential pressure sensor, an elastic reaction member which operates together with a diaphragm provided in a chamber of the differential pressure sensor includes a contact portion which contacts the diaphragm, and a plurality of springs which are arranged symmetrically about the contact portion. Each of the springs is a plate shaped or linear shaped spring which is bent into the form of a letter C, U, J, or V, and has one of its ends fixed to a wall which defines the chamber, while its other end is connected to the contact portion. When the contact portion shifts together with the diaphragm, the deformations of the plurality of springs are mutually balanced, so that rotation and horizontal deviation of the contact portion with respect to the diaphragm is suppressed.

    摘要翻译： 为了减小包含在差压传感器的输出信号特性中的滞后和其他噪声分量，与设置在差压传感器的腔室中的隔膜一起工作的弹性反作用件包括接触隔膜的接触部分和 多个弹簧，其围绕接触部分对称地布置。 每个弹簧都是一个板状或线状的弹簧，它被弯曲成一个字母C，U，J或V的形式，并且其一端固定在限定腔室的壁上，而另一端是 连接到接触部分。 当接触部分与隔膜一起移动时，多个弹簧的变形相互平衡，从而抑制接触部分相对于隔膜的旋转和水平偏移。

    Pressure compensation valve
    7.
    发明授权
    Pressure compensation valve 失效
    压力补偿阀

    公开(公告)号：US5738134A

    公开(公告)日：1998-04-14

    申请号：US765193

    申请日：1997-01-03

    申请人： Naoki Ishizaki ,  Mitsumasa Akashi

    发明人： Naoki Ishizaki ,  Mitsumasa Akashi

    IPC分类号： F15B11/00 ,  E02F9/22 ,  F15B11/05 ,  F15B11/16 ,  F15B13/04

    CPC分类号： E02F9/2267 ,  E02F9/2221 ,  F15B11/163 ,  F15B13/0417 ,  F15B2211/30535 ,  F15B2211/3111 ,  Y10T137/2665 ,  Y10T137/87169

    摘要： A pressure compensation valve has a check valve portion with a check valve bore with an inlet port and an outlet port in a valve body, a valve in the check valve bore for establishing and blocking communication between the inlet port and the outlet port, a pressure reduction valve portion constructed by forming a pressure reducing valve bore having a first port, a second port and a third port and being coaxial with the check valve bore in the valve body, a spring-biased spool in the pressure reduction valve bore to define a first pressure chamber communicating with the first port and a second pressure chamber communicating with the third port at both sides, making the second port communicate with the third port by a pressure of the first pressure chamber, and blocking communication between the second port and the third port by the pressure in the second pressure chamber.

    摘要翻译： PCT No.PCT / JP95 / 01378 Sec。 371日期1997年1月3日 102（e）日期1997年1月3日PCT提交1995年7月11日PCT公布。 公开号WO96 / 01952 日期1996年1月25日压力补偿阀具有止回阀部分，止回阀孔具有阀体中的入口和出口，止回阀孔中的阀门用于建立和阻止入口和入口之间的连通 出口端口，通过形成具有第一端口，第二端口和第三端口并与阀体中的止回阀孔同轴的减压阀孔构成的减压阀部分，减压阀中的弹簧偏压阀芯 阀孔以限定与第一端口连通的第一压力室和在两侧与第三端口连通的第二压力室，使得第二端口通过第一压力室的压力与第三端口连通，并阻止第二压力室 第二端口和第三端口通过第二压力室中的压力。