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    • 4. 发明授权
    • Vane type rotary machine
    • 叶片式旋转机
    • US06629829B1
    • 2003-10-07
    • US09786561
    • 2001-03-07
    • Masao ShinodaChishiro YamashinaShimpei Miyakawa
    • Masao ShinodaChishiro YamashinaShimpei Miyakawa
    • F01C1344
    • F04C2/3442F01C21/02F04C15/0023F04C15/0088F04C2210/14F04C2240/54F04C2240/56
    • The present invention relates to a vane rotary machine such as a vane pump or a vane motor. The vane rotary machine has a rotor (15) supporting vanes (60) thereon and housed in a cam casing (10), and a main shaft (40) attached to the rotor (15) and rotatably supported by a bearing assembly (200, 250). A working fluid from a discharge port (13) is branched and led to the bearing assembly (200, 250) by a fluid path (180). The main shaft (40) has a working fluid introduction recess (220) defined in a region thereof in which the bearing assembly (200, 250) is disposed, and the main shaft has a reduced diameter in the working fluid introduction recess. The working fluid is introduced into the working fluid introduction recess (220).
    • 叶片式旋转机技术领域本发明涉及一种叶片式旋转机械,例如叶片泵或叶片式马达。 叶片旋转机具有在其上支撑叶片(60)的转子(15),并容纳在凸轮壳体(10)中,主轴(40)安装在转子(15)上,并由轴承组件(200, 250)。 来自排出口(13)的工作流体被分流并通过流体路径(180)引导到轴承组件(200,250)。 主轴(40)具有限定在其中布置有轴承组件(200,250)的区域中的工作流体引入凹部(220),并且主轴在工作流体引入凹部中具有减小的直径。 将工作流体引入到工作流体导入凹部(220)中。
    • 5. 发明授权
    • Vane type rotary machine
    • 叶片式旋转机
    • US07056107B2
    • 2006-06-06
    • US10492631
    • 2002-10-15
    • Masao ShinodaChishiro YamashinaShimpei Miyakawa
    • Masao ShinodaChishiro YamashinaShimpei Miyakawa
    • F03C2/00F04C2/00
    • F01C21/104F01C1/344F01C21/006F01C21/106F01C21/18F04C2/344F04C2/3446F04C2240/50F04C2250/10
    • The present invention relates to a vane-type rotary machine suitable for use in applications where a low-viscosity fluid such as water is used as a working fluid. According to the present invention, a vane-type rotary machine having a rotor (11) mounted with vanes and rotatably housed in a cam casing (10) includes a motor supply opening (or pump discharge opening) (30) for a working fluid, a motor return opening (or pump suction opening) (20) formed in the cam casing for a working fluid, and branch flow passages (23, 25, 33 and 35) branched from the motor supply opening (or pump discharge opening) and the motor return opening (or the pump suction opening) and communicating with vane chambers (22, 24, 32 and 34). The distances of the branch flow passages are identical to each other.
    • 本发明涉及一种适用于低粘度流体如水作为工作流体的应用中的叶片式旋转机。 根据本发明,具有安装有叶片并可旋转地容纳在凸轮壳体(10)中的转子(11)的叶片式旋转机械包括用于工作流体的马达供给开口(或泵排出口)(30) 形成在用于工作流体的凸轮壳体中的电动机返回开口(或泵吸入口)(20)以及从电动机供给开口(或泵排出口)分支的分支流路(23,25,33,35)和 电动机返回开口(或泵吸入口)并与叶片室(22,24,32和34)连通。 分支流路的距离相同。
    • 7. 发明授权
    • Hydraulic servovalve
    • 液压伺服阀
    • US5697401A
    • 1997-12-16
    • US678769
    • 1996-07-11
    • Masao ShinodaChishiro YamashinaShimpei MiyakawaYuichi Usami
    • Masao ShinodaChishiro YamashinaShimpei MiyakawaYuichi Usami
    • F15B13/043
    • F15B13/0438Y10T137/86598Y10T137/8671
    • A hydraulic servovalve controls the direction of flow of a working fluid and a flow rate of a working fluid between a plurality of ports. The hydraulic servovalve includes a spool axially movably disposed in a valve body for changing a direction of a working fluid and varying a flow rate of the working fluid, a sleeve disposed in the valve body and having a spool hole for housing the spool, a pair of hydrostatic bearings disposed in the sleeve around respective opposite end portions of the spool, and a plurality of windows defined in the sleeve as control orifices for controlling a flow rate of a working fluid. The hydraulic servovalve further includes a fluid passageway communicating between the supply port and the control port through one of the windows, and a fluid passageway communicating between the control port and the return port through the other of the windows.
    • 液压伺服阀控制工作流体的流动方向和多个端口之间的工作流体的流量。 液压伺服阀包括轴向可移动地设置在阀体中的阀芯,用于改变工作流体的方向和改变工作流体的流量,套筒设置在阀体中并具有用于容纳阀芯的阀芯孔,一对 设置在套管中的静压轴承围绕阀芯的相应的相对端部分,以及限定在套筒中的多个窗口,作为用于控制工作流体的流量的控制孔。 液压伺服阀还包括通过一个窗口在供给口和控制口之间连通的流体通道,以及通过另一个窗口在控制口与返回口之间连通的流体通路。