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    • 32. 发明授权
    • Fluid control valve
    • 流体控制阀
    • US5584323A
    • 1996-12-17
    • US483575
    • 1995-06-07
    • Sigeaki Yamamuro
    • Sigeaki Yamamuro
    • B60T15/36F15B13/04F15B13/044F16K31/06F16K31/02
    • F15B13/0402F15B13/0442Y10T137/86622
    • In a fluid control valve, a valve spool doubling as a plunger of a solenoid is slidably installed on a shaft member, i.e., the valve spool and the shaft member are joined by providing therebetween an annular clearance. The shaft member is formed with three or more pressure chambers and radial restriction holes in constant communication with the pressure chambers. The pressure chambers and the radial restriction holes are arranged at equal circumferential intervals and in constant communication with an outside pressure source so that the annular clearance is maintained uniform, i.e., the valve spool is self-centered relative to the shaft member by the effect of the fluid pressure supplied to the pressure chambers at all times.
    • 在流体控制阀中,作为螺线管的柱塞加倍的阀芯可滑动地安装在轴构件上,即阀芯和轴构件通过在其间设置环形间隙而接合。 轴构件形成有三个或更多个压力室和与压力室恒定连通的径向限制孔。 压力室和径向限制孔以相等的圆周间隔布置并且与外部压力源恒定连通,使得环形间隙保持均匀,即,阀芯相对于轴构件自对中心 始终提供给压力室的流体压力。
    • 36. 发明授权
    • Variable displacement vane pump
    • 可变排量叶片泵
    • US07862305B2
    • 2011-01-04
    • US11602274
    • 2006-11-21
    • Sigeaki YamamuroHideo KonishiFusao Semba
    • Sigeaki YamamuroHideo KonishiFusao Semba
    • F04B49/00F01C20/22
    • F04C2/3447F04C14/226
    • A variable displacement vane pump, including a pump body, a driving shaft, a rotor, a cam ring swingable around a swing fulcrum, first and second support members on opposite axial sides of the cam ring, a suction port and a discharge port disposed on at least one of the support members, a seal dividing a space on an outer circumferential side of the cam ring into a first fluid pressure chamber defined in a direction in which the cam ring is swung to cause increase in a flow rate of a working fluid discharged, and a second fluid pressure chamber defined in a direction in which the cam ring is swung to cause decrease in the flow rate of the working fluid discharged, and a plunger biasing the cam ring from a side of the second fluid pressure chamber toward a side of the first fluid pressure chamber.
    • 一种可变排量叶片泵,包括泵体,驱动轴,转子,围绕摆动支点摆动的凸轮环,在凸轮环的相对轴向侧上的第一和第二支撑构件,设置在凸轮环上的吸入口和排出口 所述支撑构件中的至少一个,将所述凸轮环的外周侧上的空间分隔成沿所述凸轮环摆动的方向限定的第一流体压力室的密封,从而导致工作流体的流量的增加 排出的第二流体压力室和沿着凸轮环摆动的方向限定的第二流体压力室,以引起排出的工作流体的流量的降低;以及将凸轮环从第二流体压力室的侧面朝向 一侧的第一流体压力室。
    • 37. 发明申请
    • Variable displacement vane pump
    • 可变排量叶片泵
    • US20070148029A1
    • 2007-06-28
    • US11602274
    • 2006-11-21
    • Sigeaki YamamuroHideo KonishiFusao Semba
    • Sigeaki YamamuroHideo KonishiFusao Semba
    • F01C20/18
    • F04C2/3447F04C14/226
    • A variable displacement vane pump, including a pump body, a driving shaft, a rotor, a cam ring swingable around a swing fulcrum, first and second support members on opposite axial sides of the cam ring, a suction port and a discharge port disposed on at least one of the support members, a seal dividing a space on an outer circumferential side of the cam ring into a first fluid pressure chamber defined in a direction in which the cam ring is swung to cause increase in a flow rate of a working fluid discharged, and a second fluid pressure chamber defined in a direction in which the cam ring is swung to cause decrease in the flow rate of the working fluid discharged, and a plunger biasing the cam ring from a side of the second fluid pressure chamber toward a side of the first fluid pressure chamber.
    • 一种可变排量叶片泵,包括泵体,驱动轴,转子,围绕摆动支点摆动的凸轮环,在凸轮环的相对轴向侧上的第一和第二支撑构件,设置在凸轮环上的吸入口和排出口 所述支撑构件中的至少一个,将所述凸轮环的外周侧上的空间分隔成沿所述凸轮环摆动的方向限定的第一流体压力室的密封,从而导致工作流体的流量的增加 排出的第二流体压力室和沿着凸轮环摆动的方向限定的第二流体压力室,以引起排出的工作流体的流量的降低;以及将凸轮环从第二流体压力室的侧面朝向 一侧的第一流体压力室。