公开(公告)号：US20080232978A1

公开(公告)日：2008-09-25

申请号：US12048773

申请日：2008-03-14

申请人： Shigeaki YAMAMURO ,  Fusao Semba ,  Shigeyuki Miyazawa ,  Kuzuyoshi Uchino ,  Hideo Konishi

发明人： Shigeaki YAMAMURO ,  Fusao Semba ,  Shigeyuki Miyazawa ,  Kuzuyoshi Uchino ,  Hideo Konishi

IPC分类号： F04B49/00

CPC分类号： F04C14/226 ,  F04C2/3442

摘要： A variable displacement vane pump, including a pump body, a driving shaft, a rotor, a cam ring swingable on a swing support surface, first and second plate members on opposite sides of the cam ring, a suction port and a discharge port on a side of at least one of the first and second plate members, a seal cooperating with the swing support surface to divide a space on an outer circumferential side of the cam ring into first and second fluid pressure chambers, a fluid pressure control valve, a stop disposed on the pump body on a side of the first fluid pressure chamber and restricting a swing movement of the cam ring, and a detent disposed between the cam ring and the pump body on a side of the second fluid pressure chamber and preventing a rotational movement of the cam ring around the driving shaft.

摘要翻译： 一种可变排量叶片泵，包括泵体，驱动轴，转子，可在摆动支撑表面上摆动的凸轮环，在凸轮环的相对侧上的第一和第二板构件，吸入口和排出口 所述第一和第二板构件中的至少一个的一侧，与所述摆动支撑表面配合的密封件，以将所述凸轮环的外周侧上的空间分成第一和第二流体压力室，流体压力控制阀，止动件 设置在第一流体压力室一侧的泵体上并限制凸轮环的摆动运动，以及设置在第二流体压力室一侧的凸轮环与泵体之间的止动件，并防止旋转运动 凸轮环围绕驱动轴。

公开(公告)号：US20110097231A1

公开(公告)日：2011-04-28

申请号：US12983485

申请日：2011-01-03

申请人： Shigeaki YAMAMURO ,  Fusao Semba

发明人： Shigeaki YAMAMURO ,  Fusao Semba

IPC分类号： F01C1/02

CPC分类号： F04C2/3442 ,  F01C21/0863 ,  F01C21/108 ,  F04C14/223 ,  F04C2250/10

摘要： A variable displacement vane pump having various construction arrangements, including a low pressure supply passage constantly connecting an inlet passage and an other of a first fluid pressure chamber and second fluid pressure chamber; a low pressure introduction port formed in the other of the pump body and the rear body, and opened in an other of the first fluid pressure chamber and the second fluid pressure chamber; and a low pressure introduction passage formed in the other of the pump body and the rear body, the low pressure introduction passage connecting the low pressure introduction port and the inlet ports.

摘要翻译： 一种具有各种结构布置的可变排量叶片泵，包括不断连接第一流体压力室和第二流体压力室的入口通道和另一个的低压供应通道; 所述低压引入口形成在所述泵体和所述后体中的另一个中，并且在所述第一流体压力室和所述第二流体压力室中的另一个中开口; 以及形成在所述泵体和所述后体中的另一个中的低压引入通道，所述低压引入通道连接所述低压引入口和所述入口。

公开(公告)号：US20090047141A1

公开(公告)日：2009-02-19

申请号：US12188945

申请日：2008-08-08

申请人： Shigeaki YAMAMURO ,  Hideo Konishi ,  Fusao Semba

发明人： Shigeaki YAMAMURO ,  Hideo Konishi ,  Fusao Semba

IPC分类号： F04B49/00

CPC分类号： F04C2/3442 ,  F04C14/226 ,  F04C15/0023

摘要： 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.

摘要翻译： 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。

公开(公告)号：US20090180904A1

公开(公告)日：2009-07-16

申请号：US12351140

申请日：2009-01-09

申请人： Shigeaki YAMAMURO ,  Hideo Konishi

发明人： Shigeaki YAMAMURO ,  Hideo Konishi

IPC分类号： F04B39/08

CPC分类号： F04C14/26 ,  F04C2/3442 ,  F04C14/226

摘要： A pump apparatus includes a drive shaft supported rotatably in a pump body; a power transmission member attached to the drive shaft, and configured to transmit power to the drive shaft; a pump element configured to pressurize and discharge working fluid; a discharge passage formed in the pump body, and configured to introduce the pressurized working fluid-discharged from the pump element to an external of the pump body; a control valve configured to control an amount of working fluid to be discharged through the discharge passage to the external, by controlling a movement of a valving element of the control valve on the basis of the pressurized working fluid; and an electromagnetic valve provided between the power transmission member and the control valve, and configured to control the control valve or a fluid pressure acting on the valving element of the control valve based on the pressurized working fluid.

摘要翻译： 泵装置包括可旋转地支撑在泵体中的驱动轴; 传动构件，其附接到所述驱动轴，并且被配置为将动力传递到所述驱动轴; 构造成对工作流体进行加压和排出的泵元件; 排出通道，其形成在所述泵体中，并且构造成将从所述泵元件排出的加压工作流体引导到所述泵体的外部; 控制阀，其构造成通过基于所述加压工作流体控制所述控制阀的阀元件的运动来控制通过所述排出通道排出到外部的工作流体的量; 以及设置在所述动力传递构件和所述控制阀之间并且构造成基于所述加压工作流体来控制所述控制阀或作用在所述控制阀的阀元件上的流体压力的电磁阀。

公开(公告)号：US20120224956A1

公开(公告)日：2012-09-06

申请号：US13472812

申请日：2012-05-16

申请人： Shigeaki YAMAMURO ,  Hideo KONISHI

发明人： Shigeaki YAMAMURO ,  Hideo KONISHI

IPC分类号： F03B11/02

CPC分类号： F04C14/26 ,  F04C2/3442 ,  F04C14/226

摘要： A pump apparatus includes a drive shaft supported rotatably in a pump body; a power transmission member attached to the drive shaft, and configured to transmit power to the drive shaft; a pump element configured to pressurize and discharge working fluid; a discharge passage formed in the pump body, and configured to introduce the pressurized working fluid discharged from the pump element to an external of the pump body; a control valve configured to control an amount of working fluid to be discharged through the discharge passage to the external, by controlling a movement of a valving element of the control valve on the basis of the pressurized working fluid; and an electromagnetic valve provided between the power transmission member and the control valve, and configured to control the control valve or a fluid pressure acting on the valving element of the control valve based on the pressurized working fluid.

摘要翻译： 泵装置包括可旋转地支撑在泵体中的驱动轴; 传动构件，其附接到所述驱动轴，并且被配置为将动力传递到所述驱动轴; 构造成对工作流体进行加压和排出的泵元件; 排出通道，其形成在所述泵体内，并且构造成将从所述泵体排出的加压工作流体引导到所述泵体的外部; 控制阀，其构造成通过基于所述加压工作流体控制所述控制阀的阀元件的运动来控制通过所述排出通道排出到外部的工作流体的量; 以及设置在所述动力传递构件和所述控制阀之间并且构造成基于所述加压工作流体来控制所述控制阀或作用在所述控制阀的阀元件上的流体压力的电磁阀。

公开(公告)号：US20090129960A1

公开(公告)日：2009-05-21

申请号：US12273814

申请日：2008-11-19

申请人： Shigeaki YAMAMURO ,  Fasao Semba

发明人： Shigeaki YAMAMURO ,  Fasao Semba

IPC分类号： F04C18/00

CPC分类号： F04C2/3442 ,  F04C14/223 ,  F04C2250/00

摘要： A variable displacement pump including a rotor, a plurality of vanes, a swingable cam ring, a suction port and a discharge port, wherein a dynamic radius of the vane which extends from a center of the rotor to a leading edge of the vane is gradually decreased in a closed section that is defined between a terminal end of the suction port and an initial end of the discharge port, along with rotation of the rotor, and a port timing defined as a position of the terminal end of the suction port or a position of the initial end of the discharge port with respect to a rotational position of the vane varies along with a swing motion of the cam ring.

摘要翻译： 一种可变排量泵，包括转子，多个叶片，可摆动凸轮环，吸入口和排出口，其中从转子的中心延伸到叶片的前缘的叶片的动态半径逐渐 限定在吸入口的终端和排出口的初始端之间的封闭部分以及转子的旋转以及定义为吸入口的终端的位置的端口正时或 排出口的初始端部相对于叶片的旋转位置的位置随着凸轮环的摆动而变化。