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公开(公告)号：US08591203B2
公开(公告)日：2013-11-26
申请号：US11140738
申请日：2005-06-01
IPC分类号： F04B35/04
CPC分类号： F04B11/0008 , F04C11/008 , F04C15/0049
摘要： In a pump apparatus having a reduction chamber for reducing pulsation of a hydraulic fluid pressurized in a pump section on the way of a discharge channel having an opening in the outer surface of the housing of the pump section, a remaining fluid inflow prevention pipe having one end fitted into and fixed to the discharge channel between the outer surface and the reduction chamber and the other end positioned in the reduction chamber is provided, and a seal lip for fluid-tightly sealing the space between the inner wall of the discharge channel and the one end is provided on the outer circumference of the one end. The seal lip is formed in a shape tapered toward the discharge side. Further, the outside diameter of the other end of the remaining fluid inflow prevention pipe is made larger than the inside diameter of the discharge channel.
摘要翻译： 在具有减压室的泵装置中，在泵部的壳体的外表面具有开口的排出通路的路径上减少在泵部中加压的液压流体的脉动的还原室，具有一个 设置在固定在外表面与还原室之间的排出通道并位于还原室中的另一端的端部，以及用于流体密封排出通道的内壁和 一端设置在一端的外周上。 密封唇形成为朝向排出侧逐渐变细的形状。 此外，剩余的流体流入防止管的另一端的外径大于排出通道的内径。
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公开(公告)号：US20050271533A1
公开(公告)日：2005-12-08
申请号：US11140738
申请日：2005-06-01
CPC分类号： F04B11/0008 , F04C11/008 , F04C15/0049
摘要： In a pump apparatus having a reduction chamber for reducing pulsation of a hydraulic fluid pressurized in a pump section on the way of a discharge channel having an opening in the outer surface of the housing of the pump section, a remaining fluid inflow prevention pipe having one end fitted into and fixed to the discharge channel between the outer surface and the reduction chamber and the other end positioned in the reduction chamber is provided, and a seal lip for fluid-tightly sealing the space between the inner wall of the discharge channel and the one end is provided on the outer circumference of the one end. The seal lip is formed in a shape tapered toward the discharge side. Further, the outside diameter of the other end of the remaining fluid inflow prevention pipe is made larger than the inside diameter of the discharge channel.
摘要翻译： 在具有减压室的泵装置中，在泵部的壳体的外表面具有开口的排出通路的路径上减少在泵部中加压的液压流体的脉动的还原室，具有一个 设置在固定在外表面与还原室之间的排出通道并位于还原室中的另一端的端部，以及用于流体密封排出通道的内壁和 一端设置在一端的外周上。 密封唇形成为朝向排出侧逐渐变细的形状。 此外，剩余的流体流入防止管的另一端的外径大于排出通道的内径。
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公开(公告)号：US20070007069A1
公开(公告)日：2007-01-11
申请号：US10558280
申请日：2004-05-28
CPC分类号： F16F1/3732 , F16F15/08
摘要： An elastic support device (70) has a vibration reduction member (35) for supporting a vibration transmission medium (34). The vibration transmission medium (34) is connected to the vibration reduction member (35) by a connection member (42). The vibration reduction member (35) includes a sleeve (43) made from a rigid body, through which sleeve the connection member (42) is inserted, and an elastic member (45) surrounding an outer periphery of the sleeve (43). The elastic member (45) includes a tubular body (49) firmly fixed on an outer peripheral surface (44) of the sleeve (43) and an annular plate portion (50) projecting radially outward of the body (49). A fitting groove (58) of an outer peripheral edge portion (57) of the annular plate portion (50) is fitted on a peripheral edge (60) of an installation hole (59). A first and a second face (52, 53) of the annular plate portion (50) include recesses (54, 55), respectively. In the annular plate portion (50), a thin-walled portion (56) corresponding to a portion between bottoms of the recesses (54, 55) of the first and the second faces (52, 53) is formed.
摘要翻译： 弹性支撑装置（70）具有用于支撑振动传播介质（34）的减振构件（35）。 振动传播介质（34）通过连接构件（42）连接到减振构件（35）。 减振构件（35）包括由刚性体制成的套筒（43），连接构件（42）插入套筒中，以及围绕套筒（43）的外周的弹性构件（45）。 弹性构件（45）包括牢固地固定在套筒（43）的外周表面（44）上的管状体（49）和径向向外突出于主体（49）的环形板部分（50）。 环形板部（50）的外周边缘部（57）的嵌合槽（58）嵌合在安装孔（59）的周缘（60）上。 环形板部分（50）的第一和第二面（52,53）分别包括凹部（54,55）。 在环形板部分（50）中，形成与第一和第二面（52,53）的凹部（54,55）的底部之间的部分相对应的薄壁部分（56）。
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