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1. 发明申请

US20030202888A1 Pump apparatus 有权
标题翻译：泵装置
公开(公告)号：US20030202888A1
公开(公告)日：2003-10-30
申请号：US10422785
申请日：2003-04-25
申请人： TOYODA KOKI KABUSHIKI KAISHA
发明人： Hidetoshi Fujiwara , Yoshinori Suzuki , Kentaro Yamauchi
IPC分类号： F04B049/00
CPC分类号： F04C15/062 , F04C14/26
摘要： In a housing of a pump apparatus having a flow control valve to discharge a part of excess fluid in a deviated slanting way to a bypass pass 11, a pair of suction paths 19, 19null is formed opposite to end portions 119, 119null of the bypass path 11 to send operation fluid to suction ports of the pump apparatus. A dividing wall is equipped at opening portions of said pair of suction paths 19, 19null to distribute the operation fluid to each of suction paths 19, 19null. A cross sectional area of one of said opening portions in a side of a direction of said deviated slanting way is smaller than a cross sectional area of the other of said opening portions in an opposite side of the deviated slanting way to relatively restrict a flow of said operation fluid in said one of opening portions.
摘要翻译：在具有流量控制阀的泵装置的壳体中，其以偏斜的倾斜方式将一部分过量的流体排放到旁路通道11，一对吸入路径19,19'形成为相对于端部119,119'相对旁路路径11将操作流体发送到泵装置的吸入口。在所述一对吸入路19,19'的开口部设有分隔壁，以将操作流体分配到每个吸入路19,19'。所述开口部分中的一个所述开口部分的横向方向的横截面面积小于所述偏离倾斜方向的相对侧中的另一个所述开口部分的横截面面积，以相对地限制所述操作流体在所述一个开口部分中。

2. 发明申请

US20040202565A1 Vane pump 有权
标题翻译：叶片泵
公开(公告)号：US20040202565A1
公开(公告)日：2004-10-14
申请号：US10819290
申请日：2004-04-07
申请人： TOYODA KOKI KABUSHIKI KAISHA
发明人： Hiroyuki Yao , Hidetoshi Fujiwara , Kentaro Yamauchi
IPC分类号： F04C002/00 , F03C002/00
CPC分类号： F04C18/3446 , F01C21/0863
摘要： Disclosed is a vane pump capable of decreasing abrasion at a cam surface at the internal surface of a cam ring, pulsation in pump ejected pressure and noise in pump operation. The vane pump is provided with a vane pump section which includes a cam ring rotatably receiving therein a rotor which has a plurality of slits formed radially. Vanes are radially slidably received respectively in the slits to be rotated bodily with the rotor with radial outermost ends sliding on the cam surface. Axial opposite end surfaces of the vane pump section are closed by side wall members, and a backpressure groove which is supplied with the pump ejection pressure in communication with radial innermost end portions of the slits is formed on an inside end surface of each side wall member to encircle the rotational axis of the rotor. Within an angular area where each vane is moved radially inwardly as the rotor rotates, the outer circumferential edge of the backpressure groove is deflected to be indented toward the rotational axis of the rotor along a locus drawn by the radial innermost end of each vane so that the radial innermost end of each vane being rotated does not protrude radially inwardly beyond a predetermined distance from the indented part of the outer circumferential edge of the backpressure groove.
摘要翻译：公开了一种叶片泵，其能够降低在凸轮环的内表面处的凸轮表面的磨损，泵的喷射压力的脉动和泵操作中的噪声。叶片泵设置有叶片泵部分，该叶片泵部分包括可旋转地接收转子的凸轮环，该转子具有径向形成的多个狭缝。叶片分别可径向滑动地容纳在狭缝中以与转子一起旋转，其中径向最外端在凸轮表面上滑动。叶片泵部的轴向相对端面被侧壁部件封闭，并且在每个侧壁部件的内端面形成有供给泵喷射压力的与该狭缝的径向最内端部连通的背压槽以包围转子的旋转轴线。在转子旋转时每个叶片径向向内移动的角区域中，背压槽的外周边缘沿着由每个叶片的径向最内端拉出的轨迹朝向转子的旋转轴线偏转，使得旋转的每个叶片的径向最内端部不会从背压槽的外周边缘的凹入部径向向内突出超过预定距离。

3. 发明申请

US20040208755A1 Oil pump apparatus 失效
标题翻译：油泵设备
公开(公告)号：US20040208755A1
公开(公告)日：2004-10-21
申请号：US10464561
申请日：2003-06-19
申请人： TOYODA KOKI KABUSHIKI KAISHA
发明人： Kentaro Yamauchi , Atsushi Eto
IPC分类号： F04B049/00
CPC分类号： F04C14/26 , F01C21/10 , F04C2/3446 , F04C15/0038
摘要： In an oil pump apparatus, a drain outlet is positioned outwardly from an inner peripheral surface of a suction passage or from an extended line thereof at a sectional view which takes along an orthogonal direction relative to a central axis of the suction passage and which shows the drain outlet, and/or the drain outlet is positioned at a side of a shaft aperture to be away from an imaginary line connecting a central axis of a discharged passage and a central axis of the suction passage at a sectional view which takes in parallel with the central axis of suction passage and which shows the drain outlet, such that the opening center of the drain outlet is not overlapped on the imaginary line.
摘要翻译：在油泵装置中，排水口从吸入通道的内周面或从其延伸线的外周面向外侧设置，该截面图沿相对于吸入通道的中心轴线的正交方向呈现，排水出口和/或排水出口位于轴孔的一侧，以远离连接排出通道的中心轴线和吸入通道的中心轴线的假想线，剖面图与平行于抽吸通道的中心轴线并且示出排水出口，使得排水出口的开口中心不在假想线上重叠。

4. 发明申请

US20020090312A1 Rotary pump apparatus 有权
标题翻译：旋转泵装置
公开(公告)号：US20020090312A1
公开(公告)日：2002-07-11
申请号：US09993605
申请日：2001-11-27
申请人： TOYODA KOKI KABUSHIKI KAISHA
发明人： Kentaro Yamauchi , Yoshinori Suzuki , Hidetoshi Fujiwara
IPC分类号： F04C002/344
CPC分类号： F04C2/3446 , F01C21/10 , F04C15/0049
摘要： A rotary pump apparatus includes a stator housing, a pump function component, at least two discharge ports, a ring shaped pressure chamber, an outflow passage and an interception wall. The pump function component is contained in the stator housing. The discharge ports discharge the operation fluid from the pump function component, and are opened into the ring shaped pressure chamber. The pressure chamber is formed in the stator housing and defined with an outer wall and an inner wall. The outflow passage is opened in the pressure chamber. The interception wall is formed in the pressure chamber by connecting one portion of the outer wall and one portion of the inner wall.
摘要翻译：旋转泵装置包括定子壳体，泵功能部件，至少两个排出口，环形压力室，流出通道和拦截壁。泵功能部件包含在定子外壳中。排出口从泵功能部件排出操作流体，并且打开到环形压力室中。压力室形成在定子壳体中并限定有外壁和内壁。流出通道在压力室中打开。拦截壁通过连接外壁的一部分和内壁的一部分而形成在压力室中。

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