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1.发明授权Hydraulic circuit apparatus for supplying fluid under pressure into hydraulic cylinders for work implement 失效液压回路装置，用于将压力下的液体供给工作液压缸
公开(公告)号：US5279122A
公开(公告)日：1994-01-18
申请号：US38189
申请日：1993-03-29
CPC分类号： F15B11/165 , E02F9/2235 , E02F9/2296 , F15B11/163 , F15B2211/20523 , F15B2211/20553 , F15B2211/20592 , F15B2211/253 , F15B2211/40515 , F15B2211/40569 , F15B2211/41572 , F15B2211/428 , F15B2211/455 , F15B2211/6054 , F15B2211/6058 , F15B2211/6303 , F15B2211/6346 , F15B2211/7052 , F15B2211/71
摘要： This invention aims at providing a hydraulic circuit apparatus for supplying pressurized fluid into cylinders for a work implement arranged such that during normal operation of the work implement the flow rate of fluid discharged by a pump is controlled such that the difference between the discharge pressure of the pump and the load pressure is always kept constant, whilst during inching operation of the work implement the flow rate of fluid discharged by the pump is reduced. This circuit apparatus comprises a large diameter piston (9) for actuating a displacement regulating member (8) of a variable displacement pump (2) in a direction as to reduce the displacement of the pump; a small diameter piston (10) having pressure receiving chamber (10a) connected with discharge passage (2a) of the pump and adapted to actuate discharge regulating member (8) in a direction as to increase the displacement of the pump (2); a load sensing valve (11) for connecting or disconnecting pressure receiving chamber (9a) of the large piston (9) with or from the discharge passage; and apparatus (12, 13, 14) for applying a force to the load sensing valve to push its spool in a direction as to communicate the discharge passage (2a) of the pump with pressure receiving chamber (9a) of the large piston.
摘要翻译： 本发明的目的在于提供一种液压回路装置，用于将加压流体供应到用于工作工具的气缸中，该工作工具被布置为使得在工作的正常操作期间，控制由泵排出的流体的流量，使得排出压力 泵和负载压力始终保持恒定，而在工作的微动操作期间，减少了由泵排出的流体的流量。 该电路装置包括大直径活塞（9），用于在减小泵的排量的方向上致动可变排量泵（2）的排量调节构件（8）; 具有与所述泵的排出通道（2a）连接的压力接收室（10a）的小直径活塞（10），并且适于在增加所述泵（2）的位移的方向上致动排放调节构件（8）。 负载感测阀（11），用于将大活塞（9）的压力接收室（9a）与排出通道或从排出通道连接或断开; 以及用于向负载感测阀施加力以沿着使泵的排出通道（2a）与大活塞的压力接收室（9a）连通的方向推动其阀芯的装置（12,13,14）。
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公开(公告)号：US5212950A
公开(公告)日：1993-05-25
申请号：US882367
申请日：1992-05-06
IPC分类号： F15B13/042
CPC分类号： F15B13/0422
摘要： This invention provides a hydraulic circuit apparatus arranged such that when each of operating valves is operated suddenly, the stability of each of actuators is improved, and when the operating valves are kept at their neutral positions, the flow rate of fluid discharged by a variable displacement pump is increased to improve the response of the hydraulic circuit, and when the actuators are supplied with pressurized fluid, pressure compensation is made by pressure compensating valves. This hydraulic circuit apparatus comprises a bleed-off circuit (11) connecting the discharge passage (1a) of the variable displacement pump (1) with a fluid tank; a bleed-off valve (12) provided in bleed-off circuit (11) and adapted to be kept at its communicating position (I) when the operating valves (2) assume their neutral positions, and also kept at its shut-off position when the operating valves assume either their first fluid supply positions or their second fluid supply positions; and a flow restrictor (13) provided in the bleed-off circuit.
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公开(公告)号：US5209063A
公开(公告)日：1993-05-11
申请号：US877364
申请日：1992-05-04
CPC分类号： F15B11/165 , E02F9/22 , E02F9/2225 , F15B2211/20546 , F15B2211/253 , F15B2211/40569 , F15B2211/428 , F15B2211/455 , F15B2211/50518 , F15B2211/5153 , F15B2211/6054 , F15B2211/6057 , F15B2211/635 , F15B2211/71
摘要： A hydraulic circuit arranged to prevent the load pressure in one of the hydraulic actuators at the time of starting from becoming abnormally high thereby preventing fluid under pressure from being relieved by the safety valve when a plurality of hydraulic actuators are operated at the same time, wherein the function of one of the pressure compensating valves is temporarily enhanced by introducing the load pressure in the hydraulic actuator so as to supply a large quantity of fluid under pressure to the hydraulic actuator connected to the pressure compensating valve so that the operating speed of the hydraulic actuator can be increased. This hydraulic circuit comprises a compensation pressure selecting valve adapted to supply normally the highest load pressure to the spring chambers of the pressure compensating valves, and supply the load pressure in the hydraulic actuator connected to each of the pressure compensating valves to the spring chamber of each of the pressure compensating valves when either one of the operating valves is operated for the full stroke.
摘要翻译： PCT No.PCT / JP90 / 00667 Sec。 371日期：1991年4月9日 102（e）日期1991年4月9日PCT提交1990年5月24日PCT公布。 第WO90 / 14519号公报 日本1990年11月29日。一种液压回路，其布置成防止在启动时一个液压致动器中的负载压力变得异常高，从而当多个液压致动器为多个时，防止压力下的流体被安全阀释放 同时操作，其中通过将液压致动器中的负载压力引入到压力补偿阀中的一个压力补偿阀的功能，以便向连接到压力补偿阀的液压致动器供应大量压力流体，从而 可以提高液压执行器的运行速度。 该液压回路包括补偿压力选择阀，该补偿压力选择阀适于向压力补偿阀的弹簧室提供最高的负载压力，并将连接到每个压力补偿阀的液压致动器中的负载压力提供给每个压力补偿阀的弹簧室 的压力补偿阀，当操作阀中的任何一个操作全冲程时。
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4.发明授权
公开(公告)号：US5218897A
公开(公告)日：1993-06-15
申请号：US655351
申请日：1991-02-22
IPC分类号： E02F9/22 , F15B11/024 , F15B13/02
CPC分类号： F15B11/024 , E02F9/2221 , F15B13/021 , F15B2011/0243 , F15B2211/20546 , F15B2211/30505 , F15B2211/3054 , F15B2211/30555 , F15B2211/3058 , F15B2211/3111 , F15B2211/3133 , F15B2211/31529 , F15B2211/31576 , F15B2211/329 , F15B2211/6054 , F15B2211/75 , Y10T137/87185
摘要： This invention provides a hydraulic circuit apparatus for operating a work-implement actuating cylinder arranged such that, during an earth compacting operation using a bucket, a work implement or boom is lowered by its own weight, and during other operations, a part of the fluid under pressure in a lifting chamber of the actuating cylinder is supplied together with pressurized fluid discharged by a pump into a lowering chamber to increase the retracting speed of a piston rod in the work-implement actuating cylinder. The apparatus comprises a spool slidably inserted in a valve bore formed in an operating valve body so that it may be moved between a first actuating position, where a second port connected to the lowering chamber is communicated with a second tank port and a first port connected to the lifting chamber is communicated with a first pump port; and a second actuating position, where the second port is communicated with a second pump port and the first port is communicated with a first tank port. A regenerative fluid passage, including a check valve, is formed in the valve body so as to allow the first and second ports to communicate together.
摘要翻译： PCT No.PCT / JP90 / 00829 Sec。 371日期1991年2月22日 102（e）日期1991年2月22日PCT Filed 1990年6月26日PCT公布。 出版物WO91 / 00431 日本1991年1月10日。本发明提供了一种液压回路装置，用于操作工作台致动筒，其布置成使得在使用铲斗的地球压实操作期间，工件或吊杆由其自重降低，并且在其他 操作中，在致动缸的提升室中的压力下的一部分流体与由泵排出的加压流体一起供应到下降室中，以增加工作机构致动缸中的活塞杆的回缩速度。 该装置包括可滑动地插入形成在操作阀体中的阀孔中的阀芯，使得其可在第一致动位置和连接到下降室的第二端口与第二罐口连通的第一致动位置和连接的第一端口之间移动 所述升降室与第一泵口连通; 以及第二致动位置，其中所述第二端口与第二泵口连通，并且所述第一端口与第一罐口连通。 包括止回阀的再生流体通道形成在阀体中，以允许第一和第二端口连通在一起。
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公开(公告)号：US5477678A
公开(公告)日：1995-12-26
申请号：US839664
申请日：1992-02-14
CPC分类号： E02F9/2214 , F15B11/16 , F15B13/0417 , F15B2211/20546 , F15B2211/3054 , F15B2211/3111 , F15B2211/329 , F15B2211/6054 , F15B2211/71
摘要： In a hydraulic circuit system, when pressurized oil discharged from a single hydraulic pump is supplied to a plurality of actuators: the pressurized oil is supplied to heavily-loaded ones of the actuators at gradually reducing flow rates to reduce a shock, while supplied to lightly-loaded ones of the actuators at gradually increasing flow rates to increase working speeds of these lightly-loaded actuators. The hydraulic circuit system comprises a plurality of directional control valves (2) one of which is provided with pressure-compensated flow control valves (18) each of which is provided with a load lead-in passage having a restriction means (R). In addition, further comprised in the system are: relief valves (22, 22) for relieving the pressurized oil under the influence of load pressure of the actuators (3) operated by the directional control valves (2); a restriction orifice (24) provided in a drain side of each of the relief valves so as to produce pressure therein.
摘要翻译： 在液压回路系统中，当从单个液压泵排出的加压油被供给到多个致动器时：在逐渐减小流量的同时向加载的致动器供应压力油，以减少冲击，同时供给轻度 在逐渐增加的流量下执行器中的一个，以增加这些轻载驱动器的工作速度。 液压回路系统包括多个方向控制阀（2），其中一个方向控制阀设置有压力补偿流量控制阀（18），每个阀都设置有具有限制装置（R）的负载引入通道。 此外，该系统还包括：用于在由方向控制阀（2）操作的致动器（3）的负载压力的影响下释放加压油的安全阀（22,22）; 设置在每个安全阀的排水侧的限制孔（24），以在其中产生压力。
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公开(公告)号：US6152013A
公开(公告)日：2000-11-28
申请号：US194946
申请日：1998-12-07
申请人： Shigeru Shinohara , Mitsuru Arai , Takayuki Muto , Naoki Ishizaki
发明人： Shigeru Shinohara , Mitsuru Arai , Takayuki Muto , Naoki Ishizaki
CPC分类号： B25D9/16
摘要： A hydraulically actuated breaker with a lost-motion preventing device includes a cylinder portion (26) defining a first chamber (23) constantly communicated with a hydraulic pressure source (47) and having a small pressure receiving area for upwardly moving a piston (22) and a second chamber (24) having a large pressure receiving area for downwardly moving the piston, by inserting the piston into a piston bore (21) of a breaker main body (20); a chisel (28) inserted within a chisel insertion hole (27) of the breaker main body in opposition to the piston; a main switching valve (40) being switched between a first position (E) communicating the second chamber with a tank (48) and a second position (F) communicating the second chamber with the hydraulic pressure source; and a valve mechanism (30) placing the main switching valve at the first position when the piston is in an effective lower stroke end position, placing the main switching valve at the second position when the piston is in an effective upper stroke end position, and maintaining the main switching valve at the second position when the piston is lowered beyond the effective lower stroke end position.
摘要翻译： PCT No.PCT / JP97 / 02577 Sec。 371 1998年12月7日第 102（e）日期1998年12月7日PCT 1997年7月24日PCT公布。 公开号WO98 / 04387 日本1998年2月5日具有防漏运动装置的液压致动断路器包括限定与液压源（47）恒定连通的第一腔室（23）的气缸部分（26），并且具有小的压力接收区域用于向上移动 通过将活塞插入到断路器主体（20）的活塞孔（21）中，具有用于向下移动活塞的大的压力接收区域的活塞（22）和第二室（24）。 插入在与所述活塞相对的所述断路器本体的凿子插入孔（27）内的凿子（28） 主切换阀（40）在连通第二腔室的第一位置（E）与罐（48）之间切换，以及将第二腔室与液压源连通的第二位置（F）; 以及阀机构（30），当所述活塞处于有效的下行程末端位置时，将所述主切换阀置于所述第一位置，当所述活塞处于有效的上冲程终点位置时，将所述主切换阀置于所述第二位置，以及 当活塞下降超过有效下冲程终点位置时，将主切换阀保持在第二位置。
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公开(公告)号：US5884713A
公开(公告)日：1999-03-23
申请号：US860741
申请日：1997-06-12
申请人： Shigeru Shinohara , Naoki Ishizaki
发明人： Shigeru Shinohara , Naoki Ishizaki
摘要： A vibration generating apparatus comprises a cylinder assembly (6) having a cylinder and a piston (3) slidably inserted in a cylindrical bore (2) of the cylinder for defining a first pressure receiving chamber (4) with a small pressure receiving area and a second pressure receiving chamber (5) with a large pressure receiving area. The piston (5) is selectively movable in one direction and in the other direction responsive to pressures in the pressure receiving chambers. A switching valve (9) has a first pressure chamber (13) with a large diameter, a second pressure chamber (14) with a small diameter, a pump port (10), an auxiliary port (23), a principal port (11) and a tank port (12). The switching valve (9) takes a first position under a pressure within the first pressure chamber and takes a second position under a pressure within the second pressure chamber. When the switching valve (9) is in the first position, the pump port is allowed to communicate with the auxiliary port and the principal port is allowed to communicate with the tank port. When the switching valve (9) is in the second position, the pump port is allowed to communicate with the principal port and the auxiliary port is allowed to communicate with the tank port. A servo valve (19) is responsive to a movement of the piston for establishing a communication of the first pressure chamber with a fluid pressure source (21) or a tank.
摘要翻译： PCT No.PCT / JP96 / 01029 Sec。 371日期：1997年6月12日 102（e）日期1996年6月12日PCT提交1996年4月12日PCT公布。 出版物WO96 / 32228 日期：1996年10月17日一种振动发生装置包括一个气缸组件（6），其具有一个气缸和一个活塞（3），可滑动地插入气缸的圆柱孔（2）中，用于限定一个小的第一压力接收室（4） 压力接收区域和具有大的压力接收面积的第二压力接收室（5）。 活塞（5）可以响应于压力接收室中的压力而在一个方向和另一个方向上选择性地移动。 切换阀（9）具有大直径的第一压力室（13），小直径的第二压力室（14），泵口（10），辅助口（23），主要端口（11） ）和罐口（12）。 切换阀（9）在第一压力室内的压力下采取第一位置，并且在第二压力室内的压力下进行第二位置。 当切换阀（9）处于第一位置时，允许泵口与辅助口连通，允许主阀与罐口连通。 当切换阀（9）处于第二位置时，允许泵口与主端口连通，并且允许辅助口与罐口连通。 伺服阀（19）响应于活塞的运动，用于建立第一压力室与流体压力源（21）或罐的连通。
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8.发明授权System for monitoring a period of an operation clock signal of a CPU and stopping operations of the CPU when the period is out of a predetermined allowable range 失效用于监视CPU的操作时钟信号的周期的系统，并且当该周期在预定的允许范围之外时停止CPU的操作公开(公告)号：US07080001B2
公开(公告)日：2006-07-18
申请号：US10372970
申请日：2003-02-26
CPC分类号： G06F21/77 , G06F21/55 , G06F21/755
摘要： There is provided a technology for preventing disabling of function of a clock monitoring circuit by a hacker in a microcomputer for IC card provided with a clock monitoring circuit as a countermeasure for a hacker. In the microcomputer for IC card provided with the clock monitoring circuit, the clock monitoring circuit is given the function to perform the detecting operation twice during one cycle, namely at the timings of rise and fall of the clock.
摘要翻译： 提供了一种技术，用于防止在设置有时钟监视电路的IC卡的微型计算机中的黑客对时钟监控电路的功能的禁用作为黑客的对策。 在设置有时钟监视电路的IC卡的微计算机中，时钟监视电路具有在一个周期内即时钟上升和下降的定时进行两次检测操作的功能。
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公开(公告)号：US06868918B2
公开(公告)日：2005-03-22
申请号：US10780741
申请日：2004-02-19
申请人： Shigeru Shinohara
发明人： Shigeru Shinohara
摘要： A power tool includes a linear motor and a maximum reciprocal movement amount setting unit. The linear motor has a movable member driven to move reciprocally and a tool connector for connecting work bits to the movable member. The maximum reciprocal movement amount setting unit is for setting maximum reciprocal movement amount at which the linear motor drives movement of the movable member to a selected one of a plurality of maximum reciprocal movement amounts. Also, a position information region is provided on the movable member. A movable member region detector detects the movable member position information region of the movable member and a control unit sets, as the initial position of the movable member, position of the movable member at the time the movable member region detector detects the movable member position information region.
摘要翻译： 电动工具包括线性电动机和最大往复移动量设定单元。 线性电动机具有被驱动以往复移动的可动构件和用于将工作钻头连接到可动构件的工具连接器。 所述最大往复移动量设定单元用于设定所述直线马达将所述可动构件的移动驱动到多个最大往复移动量中的选定的最大往复移动量的最大往复移动量。 此外，位置信息区域设置在可动构件上。 可动构件区域检测器检测可动构件的可动构件位置信息区域，并且控制单元将可动构件区域检测器检测到可动构件位置信息时的可动构件的位置设定为可动构件的初始位置 地区。
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公开(公告)号：US5677615A
公开(公告)日：1997-10-14
申请号：US386628
申请日：1995-02-10
申请人： Nobuhiro Takano , Shigeru Shinohara
发明人： Nobuhiro Takano , Shigeru Shinohara
CPC分类号： G01R31/3693 , G01R19/16542 , G01R31/3648 , H01M10/48 , H02J7/0081
摘要： To discriminate that a rechargeable battery has reached an end of life, the maximum battery voltage detected during a preliminary charge time is compared with a predetermined reference voltage. When the comparison results indicate that the battery voltage is above the predetermined reference voltage, it is determined that the battery has reached the end of life.
摘要翻译： 为了区分可再充电电池的寿命终止，将在初步充电时间期间检测到的最大电池电压与预定的参考电压进行比较。 当比较结果表示电池电压高于预定的参考电压时，确定电池已经达到寿命的终点。
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