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    • 1. 发明授权
    • Relief valve
    • 泄压阀
    • US6142176A
    • 2000-11-07
    • US330403
    • 1999-06-11
    • Toyoaki SagawaMasahiro MatsuoRyo Yamamoto
    • Toyoaki SagawaMasahiro MatsuoRyo Yamamoto
    • F16K17/06F16K17/00F16K17/04F16K17/08
    • F16K17/082F16K17/065Y10T137/785Y10T137/7852
    • A relief valve, including a case having an inner bore, and an opening defining an outlet; a valve seat adjacent to a forward end of the case, the valve seat defining an inlet, a plunger slidably disposed within the case and pressed forward by a spring to shut off fluid communication between the inlet and the outlet, a piston slidably disposed within the case, and slidably receiving the plunger, the piston being configured for pushing forward a rear end of the spring, and which piston moves forward with the increase in the pressure at the inlet to compress the spring, thereby regulating a relief pressure, wherein the piston further comprises a first sliding portion configured for sliding with liquidtightness in the inner bore of case, and a sliding bore formed along a central axis of the piston, a rear portion of the plunger slidably inserted and fitted in the sliding bore formed along a central axis of the piston, and the plunger further comprising a through hole configured for feeding a pressurized liquid from the inlet to the rear of the plunger, and wherein the piston further comprises rearward acting face and a forward acting face, and the piston moves by a difference between the combined rearward acting forces given to a bottom face of the sliding bore and the rearward acting face by the pressurized liquid, and forward acting force given to the forward acting face by the pressurized liquid.
    • 一种安全阀,包括具有内孔的壳体和限定出口的开口; 阀座,其邻近所述壳体的前端,所述阀座限定入口;柱塞,其可滑动地设置在所述壳体内并且被弹簧向前推压以截止所述入口和所述出口之间的流体连通;活塞, 壳体,并且可滑动地接收柱塞,活塞构造成用于向前推动弹簧的后端,并且随着入口处压力的增加,活塞向前移动以压缩弹簧,从而调节释放压力,其中活塞 还包括第一滑动部分,其构造成用于在壳体的内孔中的液密性滑动,以及沿着活塞的中心轴线形成的滑动孔,柱塞的后部可滑动地插入并装配在沿着中心轴线形成的滑动孔中 并且所述柱塞还包括通孔,所述通孔构造成用于将加压液体从所述入口到所述柱塞的后部进给,并且其中所述活塞fu 另外包括向后表面和前向作用面,并且活塞通过由加压液体施加到滑动孔的底面和后向作用面的组合的后向作用力之间的差异移动,并且向 由加压液体向前作用的面。
    • 4. 发明授权
    • Circuit design support device, circuit design support method and program
    • 电路设计支持设备,电路设计支持方法和程序
    • US08990741B2
    • 2015-03-24
    • US13850421
    • 2013-03-26
    • Ryo Yamamoto
    • Ryo Yamamoto
    • G06F17/50
    • G06F17/505
    • A processing part inputs a behavior description code in which a write access array to be accessed to write and a read access array to be accessed to read are used. The processing part analyzes the behavior description code, and determines an order of using each write access address and an order of using each read access address when the behavior description code is executed. Further, the processing part performs either one of a write access order changing process to change the order of using the write access addresses when the behavior description code is executed based on the order of using the read access addresses and a read access order changing process to change the order of using the read access addresses when the behavior description code is executed based on the order of using the write access addresses.
    • 处理部分输入行为描述代码,其中使用要被访问的写访问阵列以进行读访问的读访问阵列。 处理部分分析行为描述码,并且当执行行为描述码时,确定使用每个写访问地址的顺序和使用每个读访问地址的顺序。 此外,当执行行为描述代码时,处理部分执行写访问次序改变处理以改变使用写入访问地址的顺序,其中基于使用读访问地址的顺序和读访问次序改变处理 基于使用写访问地址的顺序来改变执行行为描述代码时使用读访问地址的顺序。
    • 9. 发明申请
    • DRIVE CONTROL METHOD OF OPERATING MACHINE
    • 操作机器的驱动控制方法
    • US20130213026A1
    • 2013-08-22
    • US13823784
    • 2011-09-09
    • Ryo YamamotoMasahiro YamadaYoji Yudate
    • Ryo YamamotoMasahiro YamadaYoji Yudate
    • E02F9/22
    • E02F9/2221B66C23/86E02F9/123E02F9/128E02F9/2095E02F9/2217E02F9/225E02F9/2292E02F9/2296F04B49/002F04B49/06F04B49/22
    • In drive control of an operating machine configured to drive a structure by a hydraulic motor configured to be driven by operating oil supplied from a hydraulic pump an electric motor configured to cooperate with the hydraulic motor, a speed command generated based on a manipulation amount of a remote control valve configured to determine an operation amount of the structure is subjected to speed feedback control performed based on the actual rotation speed of the hydraulic motor and pressure difference feedback control performed based on an operating oil pressure difference between a suction port and discharge port of the hydraulic motor. With this, a tilting angle command is generated such that the operating oil, the amount of which is necessary at the actual rotation speed of the hydraulic motor, is ejected, and the tilting angle of the hydraulic pump is controlled.
    • 在构造成通过液压马达驱动结构的操作机构的驱动控制中,所述液压马达构造成通过从液压泵供给的油的工作来驱动,构成为与所述液压马达配合的电动机,基于所述液压马达的操作量而生成的速度指令 根据液压马达的实际旋转速度来决定结构的运转量的远程控制阀,根据液压马达的实际旋转速度进行速度反馈控制,以及基于在吸入口与排出口之间的工作油压差 液压马达。 由此,产生倾斜角度指令,使得其在液压马达的实际旋转速度下所需的工作油被喷射,并且控制液压泵的倾斜角度。