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    • 33. 发明申请
    • VALVE
    • US20140367599A1
    • 2014-12-18
    • US14241582
    • 2012-07-09
    • Michael Thomas DennisLee Jason Hardman
    • Michael Thomas DennisLee Jason Hardman
    • F16K31/524F16K39/02
    • F16K31/52425F16K1/14F16K39/022Y10T137/7782
    • A valve has a valve member (17) that is moveable along a first axis in a valve chamber ( ) between an open position and a closed position. In the open position the valve member is displaced from the valve seat such that a fluid inlet (pi) is connected to a fluid outlet (p2). In the closed position the valve member (17) is sealed against the valve seat so that the fluid path is closed. First (12) and second (46) opposed stacks of disc spring apply unequal loading resulting in a biasing force that biases the valve member towards the closed position. A first piston member (15) is movable in a first bore (14) relative to the valve member (17) and for moving the valve member in a first direction along the first axis. A second piston member (16) is movable in a second bore relative to the valve member (17) for moving the valve member along the first axis in a second direction opposite to the first direction. A first pressure compensation passage (71) extends between the fluid inlet (pi) and the first bore (14) such that the first piston member (15) is actuable by the fluid pressure in the fluid inlet (pi). A second pressure compensation passage (70) extends between the fluid outlet (p2) and the second bore such that the second piston member (16) is actuable by the fluid pressure in the fluid outlet. An actuator moves the valve member from the closed position to the open position.
    • 阀具有阀构件(17),该阀构件可在阀室()中在打开位置和关闭位置之间沿着第一轴线移动。 在打开位置,阀构件从阀座移位,使得流体入口(pi)连接到流体出口(p2)。 在关闭位置,阀构件(17)被密封抵靠阀座,使得流体路径关闭。 第一(12)和第二(46)相对的盘形弹簧堆叠施加不相等的加载,导致偏压力使阀构件偏向关闭位置。 第一活塞构件(15)可相对于阀构件(17)在第一孔(14)中移动,并且沿着第一轴沿第一方向移动阀构件。 第二活塞构件(16)可相对于阀构件(17)在第二孔中移动,用于沿与第一方向相反的第二方向沿着第一轴线移动阀构件。 第一压力补偿通道(71)在流体入口(pi)和第一孔(14)之间延伸,使得第一活塞构件(15)可通过流体入口(pi)中的流体压力致动。 第二压力补偿通道(70)在流体出口(p2)和第二孔之间延伸,使得第二活塞构件(16)可通过流体出口中的流体压力致动。 执行器将阀构件从关闭位置移动到打开位置。
    • 38. 发明授权
    • Hitch-mounted telescopic rack and method of use
    • 搭接式伸缩架及使用方法
    • US08777074B2
    • 2014-07-15
    • US13280324
    • 2011-10-24
    • Michael Thomas DeMersJames Kevin Redmond
    • Michael Thomas DeMersJames Kevin Redmond
    • B60D1/00B60R9/042B60R9/045
    • B60R9/08B60D1/00B60R9/042B60R9/045B60R9/06
    • One possible embodiment of the invention could be a hitch-mounted telescopic rack and its operation, the rack could be comprised of a vertical telescopic tube assembly having an inner tube movably received within a hollow outer tube, the hollow outer tube having a hitch attachment end while the inner tube has an attachment end that connects to a top tube assembly that movably supports one or more rollers perpendicularly to the vertical telescopic tube assembly; wherein the hitch attachment end is reversibly received by a trailer hitch of an automotive vehicle to vertically orient the vertical telescopic tube assembly and place the rollers in a horizontal position distal from the trailer hitch, the one or more rollers moving an object relative to a rear edge of a top of the automotive vehicle as well as supporting the rear overhanging portion of the object that is placed on the top.
    • 本发明的一个可能的实施例可以是搭接安装的伸缩架及其操作,所述齿条可包括具有可移动地容纳在中空外管内的内管的垂直伸缩管组件,所述中空外管具有搭接连接端 而内管具有连接到垂直于垂直伸缩管组件可移动地支撑一个或多个辊的顶管组件的附接端; 其中,所述搭接附接端由机动车辆的挂车挂钩可逆地接收,以垂直地定向所述垂直伸缩管组件,并将所述辊放置在远离所述拖车搭接的水平位置,所述一个或多个辊相对于后部移动物体 汽车顶部的边缘以及支撑放置在顶部上的物体的后悬垂部分。