Hydraulic system having a variable delivery pump
    1.
    发明授权
    Hydraulic system having a variable delivery pump 有权
    液压系统具有可变输送泵

    公开(公告)号:US06162022A

    公开(公告)日:2000-12-19

    申请号:US434410

    申请日:1999-11-04

    摘要: A variable delivery liquid pump system includes a housing defining an inlet, an outlet and a plunger bore. A rotating shaft includes a cam that defines a fixed displacement distance with each rotation of the shaft. A plunger is slidably positioned in the plunger bore. A supply of liquid at a supply pressure is attached to the inlet by a supply passage. An output control mechanism includes an electronically-controlled flow restriction valve positioned in the supply passage. The plunger retracts less than the fixed displacement distance of the cam during each rotation of the shaft when the flow restriction valve is at least partially closed. The variable delivery pump is particularly suited for use in a hydraulically-actuated fuel injection system.

    摘要翻译: 可变输送液体泵系统包括限定入口,出口和柱塞孔的壳体。 旋转轴包括凸轮,该凸轮在轴的每个旋转中限定了固定的位移距离。 柱塞可滑动地定位在柱塞孔中。 供给压力的液体供应通过供给通道附接到入口。 输出控制机构包括位于供给通道中的电控流量限制阀。 当流量限制阀至少部分关闭时,柱塞在轴的每次旋转期间缩回小于凸轮的固定位移距离。 可变输送泵特别适用于液压致动燃料喷射系统。

    Pump and hydraulic system with low pressure priming and over pressurization avoidance features
    3.
    发明授权
    Pump and hydraulic system with low pressure priming and over pressurization avoidance features 有权
    泵和液压系统具有低压起动和过加压避免功能

    公开(公告)号:US06901911B2

    公开(公告)日:2005-06-07

    申请号:US10212136

    申请日:2002-07-31

    IPC分类号: F04B1/28 F04B49/22 F02M37/04

    CPC分类号: F04B1/28 F04B49/225

    摘要: A hydraulic system, such as a fuel injection system, includes a fixed displacement pump with at least one pump piston. A sleeve surrounds each pump piston and provides the method by which fluid displaced by the pumping stroke of the pump piston is directed either to a high pressure area in the pump or a low pressure area. The sleeves are a portion of an electro-hydraulic controller that includes a mechanical bias to bias the pump to a high output position when a pressure differential between the outlet area and the inlet area is relatively low, such as at cold start up. This aspect facilitates priming of the system. In addition, the controller includes a biasing hydraulic surface in opposition to the mechanical biaser that serves to bias the pump to its low output position when the pressure differential between the outlet area and the inlet area is relatively high. This aspect prevents over pressurization in the event that electric current to the controller is disrupted.

    摘要翻译: 诸如燃料喷射系统的液压系统包括具有至少一个泵活塞的固定排量泵。 套管围绕每个泵活塞,并提供了通过泵活塞的泵送冲程移位的流体被引导到泵或低压区域中的高压区域的方法。 袖子是电液控制器的一部分,其包括当出口区域和入口区域之间的压力差相对较低(例如在冷启动时)的泵将其偏压到高输出位置的机械偏置。 这方面促进了系统的启动。 此外,控制器包括与机械偏压器相对的偏压液压表面,当偏压出口区域和入口区域之间的压差相对较高时,该液压表面用于将泵偏压到其低输出位置。 在这种情况下,在控制器的电流中断的情况下,可防止过度加压。

    Hydraulically-actuated system having a variable delivery fixed displacement pump
    4.
    发明授权
    Hydraulically-actuated system having a variable delivery fixed displacement pump 有权
    具有可变输送固定排量泵的液压致动系统

    公开(公告)号:US06216670B1

    公开(公告)日:2001-04-17

    申请号:US09414798

    申请日:1999-10-08

    IPC分类号: F02M3704

    摘要: A hydraulically-actuated system includes a fixed displacement pump with at least one piston that reciprocates in a pump housing that defines a high pressure area and a low pressure area. A control valve is attached to the pump housing and moveable between a first position in which the piston displaces fluid in a first proportion between the high pressure area and the low pressure area, and a second position in which the piston displaces fluid in a second proportion between the high pressure area and the low pressure area. At least one hydraulically-actuated device is connected to the high pressure area of the pump. A source of low pressure fluid is connected to the low pressure area of the pump. An electronic control module is in communication with and capable of controlling the position of the control valve.

    摘要翻译: 液压致动系统包括具有至少一个活塞的固定排量泵,其在限定高压区域和低压区域的泵壳体中往复运动。 控制阀安装在泵壳体上,并可在第一位置和第二位置之间移动,在第一位置,活塞以高压区域和低压区域之间的第一比例排出流体,在第二位置,活塞以第二比例排出流体 在高压区域和低压区域之间。 至少一个液压致动装置连接到泵的高压区域。 低压流体源连接到泵的低压区域。 电子控制模块与控制阀的位置通信并且能够控制控制阀的位置。

    Hydraulically-actuated system having a variable delivery fixed
displacement pump
    5.
    发明授权
    Hydraulically-actuated system having a variable delivery fixed displacement pump 失效
    具有可变输送固定排量泵的液压致动系统

    公开(公告)号:US6035828A

    公开(公告)日:2000-03-14

    申请号:US38121

    申请日:1998-03-11

    摘要: A hydraulically-actuated system includes a fixed displacement pump with a plurality of parallel disposed pistons that reciprocate in a pump housing that defines a high pressure area and a low pressure area. A control valve is attached to the pump housing and moveable between a first position in which the pistons displace fluid in a first proportion between the high pressure area and the low pressure area, and a second position in which the pistons displace fluid in a second proportion between the high pressure area and the low pressure area. A high pressure common rail is connected to the high pressure area of the pump. At least one hydraulically-actuated device is connected to the high pressure rail. A source of low pressure fluid is connected to the low pressure area of the pump. An electronic control module is in communication with and capable of controlling the position of the control valve.

    摘要翻译: 液压致动系统包括具有多个平行设置的活塞的固定排量泵,其在限定高压区域和低压区域的泵壳体中往复运动。 控制阀连接到泵壳体上,并可在其中活塞以高压区域和低压区域之间的第一比例位移流体的第一位置和第二位置之间移动,其中活塞以第二比例置换流体 在高压区域和低压区域之间。 高压共轨连接到泵的高压区域。 至少一个液压致动装置连接到高压轨道。 低压流体源连接到泵的低压区域。 电子控制模块与控制阀的位置通信并且能够控制控制阀的位置。

    SELF-CONTAINED MATERIAL HANDLER
    6.
    发明申请
    SELF-CONTAINED MATERIAL HANDLER 审中-公开
    自包装材料处理

    公开(公告)号:US20130129457A1

    公开(公告)日:2013-05-23

    申请号:US13301629

    申请日:2011-11-21

    摘要: A self-contained material handler for lifting and manually moving a load includes a deck portion configured to be positioned beneath a load and a plurality of air casters secured on a bottom surface of the deck portion. An air source is secured to the deck portion, and the air source is in selective fluid communication with the plurality of air casters. A power source is secured to the deck portion for supplying power to the air source.

    摘要翻译: 用于提升和手动移动负载的独立的材料处理器包括构造成定位在负载下方的甲板部分和固定在甲板部分的底部表面上的多个空气脚轮。 空气源固定到甲板部分,并且空气源与多个空气脚轮选择性地流体连通。 电源固定到甲板部分以向空气源供电。

    Viewing multi-dimensional data in two dimensions
    8.
    发明申请
    Viewing multi-dimensional data in two dimensions 有权
    以二维方式查看多维数据

    公开(公告)号:US20080049040A1

    公开(公告)日:2008-02-28

    申请号:US11508001

    申请日:2006-08-22

    IPC分类号: G09G5/00

    摘要: Various technologies for visualizing a multi-dimensional view object in a two-dimensional format are described. In accordance with one described embodiment, an interface for visualizing a multi-dimensional view object in two dimensions includes a surface selection tree panel, a view object information panel, and a visualization panel. The surface selection tree panel displays a surface selection tree associated with the multi-dimensional view object. A number of other surface selection trees associated with the multi-dimensional view object also exist and can be displayed if selected. The surface selection trees include one or more surfaces associated with the multi-dimensional view object. The view object information panel complements the surface selection tree panel by displaying information associated with the multi-dimensional view object. Furthermore, the visualization panel displays an image or a spreadsheet-like numeric representation of the surface area that corresponds to a currently selected surface.

    摘要翻译: 描述用于以二维格式可视化多维视图对象的各种技术。 根据一个描述的实施例,用于在二维中可视化多维视图对象的界面包括表面选择树面板,视图对象信息面板和可视化面板。 表面选择树面板显示与多维视图对象相关联的表面选择树。 与多维视图对象相关联的多个其他表面选择树也存在,如果选择,则可以显示。 表面选择树包括与多维视图对象相关联的一个或多个表面。 视图对象信息面板通过显示与多维视图对象相关联的信息来补充表面选择树面板。 此外,可视化面板显示对应于当前选择的表面的表面区域的图像或电子表格样数字表示。

    Seal assembly with an interlocking load ring
    10.
    发明授权
    Seal assembly with an interlocking load ring 有权
    具有联锁装载环的密封组件

    公开(公告)号:US06186511B1

    公开(公告)日:2001-02-13

    申请号:US09193344

    申请日:1998-11-17

    IPC分类号: F16J1510

    CPC分类号: F16J15/344

    摘要: A face seal assembly comprises a pair of confronting seal rings having mutually-engaging seal faces. The seal faces are maintained in sealing engagement by a pair of resilient load rings that are positioned between the seal rings and a pair of housings that are positioned on opposing sides of the seal rings. The load rings are received within a recess defined by the respective housings and are adapted to interfit with one another to thereby resist relative rotation therebetween.

    摘要翻译: 面密封组件包括一对具有相互接合的密封面的面对的密封环。 密封面通过位于密封环之间的一对弹性负载环和位于密封环的相对侧上的一对壳体保持密封接合。 负载环被容纳在由相应壳体限定的凹部内,并且适于彼此相互配合,从而抵抗它们之间的相对旋转。