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    • 2. 发明申请
    • VARIABLE DISPLACEMENT VANE PUMP
    • 可变位移帆泵
    • US20090047141A1
    • 2009-02-19
    • US12188945
    • 2008-08-08
    • Shigeaki YAMAMUROHideo KonishiFusao Semba
    • Shigeaki YAMAMUROHideo KonishiFusao Semba
    • F04B49/00
    • F04C2/3442F04C14/226F04C15/0023
    • A variable displacement vane pump includes a rotor, a swingable annular cam ring receiving therein the rotor, a pump body encasing the cam ring and rotor, and a pressure plate which is disposed between an end wall of the pump body and the rotor and which includes a backup surface and a sliding surface formed with an inlet port, an outlet port and a backpressure groove. The vane pump further includes a seal member which is provided between the backup surface of the pressure plate and the end wall of the pump body, and which includes an inlet-side segment extending on the radial inner side of the inlet port and the radial outer side of the backpressure groove, and an outlet-side segment extending on the radial outer side of the outlet port.
    • 一种可变排量叶片泵,包括转子,其中容纳转子的可摆动环形凸轮环,包围凸轮环和转子的泵体,以及设置在泵体的端壁与转子之间的压力板, 支撑表面和形成有入口,出口和背压槽的滑动表面。 叶片泵还包括密封构件,其设置在压力板的支撑表面和泵体的端壁之间,并且包括在入口的径向内侧延伸的入口侧段和径向外侧 背压槽的一侧和在出口的径向外侧延伸的出口侧段。
    • 3. 发明申请
    • Variable displacement vane pump
    • 可变排量叶片泵
    • US20070224066A1
    • 2007-09-27
    • US11715448
    • 2007-03-08
    • Shigeaki YamamuroHideo KonishiFusao Semba
    • Shigeaki YamamuroHideo KonishiFusao Semba
    • F01C20/18F04C27/00F01C19/00
    • F04C14/226
    • A variable displacement vane pump has a pump body, a driving shaft rotatably supported by the pump body, a rotor rotatably driven by the driving shaft, a plurality of vanes radially extendably installed in respective slots arranged in a circumferential direction in the rotor, a cam ring rockably provided inside the pump body and forming a plurality of pump chambers at an inner circumference side of the cam ring in cooperation with the rotor and the vanes. At an outer circumference side of the cam ring inside the pump body, a seal member is provided and defines a first hydraulic pressure chamber located at a side where a pump discharge amount increases and a second hydraulic pressure chamber located at a side where the pump discharge amount decreases. Then, a control valve controls only a pressure of the second hydraulic pressure chamber.
    • 可变排量叶片泵具有泵体,由泵体可旋转地支撑的驱动轴,由驱动轴可旋转地驱动的转子,沿径向延伸设置在转子中沿周向布置的各个槽中的多个叶片,凸轮 环形摇摆地设置在泵体的内部,并与转子和叶片协作地在凸轮环的内周侧形成多个泵室。 在泵体内的凸轮环的外周侧设有密封部件,并且限定位于泵排出量增大的一侧的第一液压室和位于泵排出侧的第二液压室 数量减少。 然后,控制阀仅控制第二液压室的压力。
    • 4. 发明授权
    • Variable displacement pump including a control valve
    • 可变排量泵包括一个控制阀
    • US06524076B2
    • 2003-02-25
    • US09841250
    • 2001-04-25
    • Hideo Konishi
    • Hideo Konishi
    • F04B4900
    • F04C14/226
    • A pump including a pump chamber 18, formed in a pump body 11, between a cam ring 17 and a rotor 15. The cam ring is formed so as to move in a direction whereby the pump capacity of the pump chamber increases and decreases. First and second fluid pressure chambers 33 and 34 are formed at opposite sides of the cam ring 17. The pump has a spool that is axially moved by a difference in fluid pressure between upper and lower stream sides of a metering throttle 50 connected to a discharge side passage 27 of the pump chamber. The spool is part of a control valve 30 that controls fluid pressure in at least the first fluid pressure chamber. An electronic driving unit, for example, a solenoid 60, applies axial thrust to the spool of the control valve.
    • 泵包括形成在泵体11中的泵室18,位于凸轮环17和转子15之间。凸轮环形成为沿着泵室的泵容量增大和减小的方向移动。 第一和第二流体压力室33和34形成在凸轮环17的相对侧。泵具有一个阀芯,该阀芯通过连接到排出口的计量节流阀50的上下侧之间的流体压力的差异轴向移动 泵室的侧通道27。 阀芯是在至少第一流体压力室中控制流体压力的控制阀30的一部分。 电子驱动单元,例如螺线管60,向控制阀的阀芯施加轴向推力。
    • 5. 发明授权
    • Oil pump
    • 油泵
    • US06267566B1
    • 2001-07-31
    • US09337711
    • 1999-06-21
    • Hideo KonishiToyoji Takebuchi
    • Hideo KonishiToyoji Takebuchi
    • F04B4900
    • F04C14/26
    • An oil pump includes pump constituent elements, a pump body, and a driving shaft. The pump constituent elements define a pump chamber between a rotor and a cam ring that houses the rotor. The pump body is constituted by a front body and a rear body. The front body defines a housing space for housing the pump constituent elements. The driving shaft extends through and is axially supported by the front body to rotatably drive the rotor. An annular space is formed around the driving shaft in the front body, between a bearing for rotatably driving the driving shaft of the front body, and the pump chamber of the pump constituent elements. A flow control valve is placed in the annular space to return part of a pump discharge fluid from the pump chamber to a pump suction side.
    • 油泵包括泵构成元件,泵体和驱动轴。 泵构成元件在转子和容纳转子的凸轮环之间限定泵室。 泵体由前体和后体构成。 前身体限定用于容纳泵构成元件的容纳空间。 驱动轴延伸穿过并由前体轴向地支撑以可旋转地驱动转子。 在前身体的驱动轴周围,用于可旋转地驱动前身体的驱动轴的轴承与泵构成部件的泵室之间形成环状空间。 流量控制阀被放置在环形空间中,以将泵排出流体的一部分从泵室返回到泵吸入侧。
    • 6. 发明授权
    • Vane pump with annular groove in rotor which connects undervane chambers
    • 叶轮泵,带转子的环形槽,连接底座室
    • US5154593A
    • 1992-10-13
    • US665677
    • 1991-03-07
    • Hideo KonishiJunkichi Odai
    • Hideo KonishiJunkichi Odai
    • F04C2/344F01C21/08
    • F01C21/0872
    • A device for improving the starting response of a vane pump and for reducing the power loss during a high speed operation of the pump. The vane pump includes a rotor formed with slits, in which slits vanes are slidably disposed. To drive the respective vanes into abutment against a cam ring, a pair of plates which hold the rotor and the cam ring sandwiched therebetween are formed with a plurality of arcuate grooves, into which a discharged oil is introduced. Rather than providing a narrow groove formed in the same plate as that in which the arcuate grooves are formed to provide a communication therebetween, an annular groove is formed in the lateral surface of the rotor to replace the narrow groove or in addition to the narrow groove, and is constructed so that the narrow groove is interrupted by the vanes as the vanes retract, the annular groove providing a communication between the arcuate grooves when a respective vane is driven radially outwardly.
    • 一种用于改善叶片泵的启动响应并且用于在泵的高速运行期间降低功率损耗的装置。 叶片泵包括形成有狭缝的转子,其中狭缝叶片可滑动地设置。 为了驱动相应的叶片抵靠凸轮环,保持转子和夹在其间的凸轮环的一对板形成有多个弓形槽,排出的油被引入到其中。 不是提供形成在与形成弧形槽的同一板中的窄槽以提供其间的连通,而是在转子的侧表面中形成环形槽以替换窄槽或除了窄槽 并且被构造成使得当叶片缩回时窄叶片被叶片中断,当各个叶片被径向向外驱动时,环形槽在弓形槽之间提供连通。
    • 7. 发明授权
    • Variable capacity vane pump
    • 可变容量叶片泵
    • US08579598B2
    • 2013-11-12
    • US12678056
    • 2007-09-20
    • Hideo KonishiFusao SembaShigeaki Yamamuro
    • Hideo KonishiFusao SembaShigeaki Yamamuro
    • F04B49/00F04B1/06F04B17/00F01C21/18
    • F04C2/3442F04C14/10F04C14/226F04C15/0034F04C15/0049
    • A variable capacity vane pump has a plurality of vanes radially extendably installed in their respective slots that are arranged in a circumferential direction in a rotor, a cam ring rockably provided on a supporting surface in a pump body and forming a plurality of pump chambers at an inner circumference side of the cam ring in cooperation with the rotor and the vanes, and a seal member provided at an outer circumference side of the cam ring and defining a first hydraulic pressure chamber located at a side where a pump discharge amount increases and a second hydraulic pressure chamber located at a side where the pump discharge amount decreases in a space outside the outer circumference of the cam ring. A center of the cam ring is offset to an inlet port side from a center of a driving shaft.
    • 可变容积叶片泵具有径向延伸地安装在其各自的狭槽中的多个叶片,所述多个叶片沿圆周方向布置在转子中,凸轮环可摇动地设置在泵体中的支撑表面上并形成多个泵室 与转子和叶片协调的凸轮环的内周侧,以及设置在凸轮环的外周侧并限定位于泵排出量增加的一侧的第一液压室的密封构件和第二 液压室位于泵排出量在凸轮环的外周外的空间内减少的一侧。 凸轮环的中心偏离驱动轴的中心的入口侧。