-
公开(公告)号：US08496449B2
公开(公告)日：2013-07-30
申请号：US12515221
申请日：2007-11-21
申请人： Bruce E. Knuth , Kay Lap Gilbert Chan , Theo H. H. Den Ridder , Frantz D. Stanford , Roger R. Pili
发明人： Bruce E. Knuth , Kay Lap Gilbert Chan , Theo H. H. Den Ridder , Frantz D. Stanford , Roger R. Pili
IPC分类号： F04B35/00
摘要： A rotary air motor driven hydraulic pump has separate pressure and return actuators and first and second stage eccentric driven pistons 180 degrees out of phase and driven by the motor through a gear reduction unit. The pressure and return actuators are on/off/proportional valves and the pump has two pressure relief valves with one adjustable from outside of the pump for a user to set a pressure limit of the pump. Above a certain output pressure limit, a bypass valve shunts flow in excess of that needed to precharge the second stage compression chamber from the first stage piston to an elastic reservoir from which the hydraulic fluid pumped by the pump is drawn. To make the pump stall at a certain output pressure, a pressure limiting valve can be used that cuts off the air supply to the pump at the desired output pressure.
摘要翻译： 旋转气动马达驱动的液压泵具有单独的压力和返回致动器以及180度异相的第一和第二级偏心驱动活塞，并且由马达通过齿轮减速单元驱动。 压力和返回致动器是开/关/比例阀，泵具有两个压力释放阀，一个可从泵的外部调节，用于使用者设定泵的压力极限。 在一定的输出压力极限之上，旁路阀将流过超过将第二级压缩室预先从第一级活塞预充气到由泵泵送的液压流体的弹性容器所需的流量。 为了使泵在一定的输出压力下停止，可以使用限压阀，以期望的输出压力切断泵的空气供应。
-
公开(公告)号：US20100215521A1
公开(公告)日：2010-08-26
申请号：US12515221
申请日：2007-11-21
申请人： Bruce E. Knuth , Kay Lap Gilbert Chan , Theo H. H. Den Ridder , Frantz D. Stanford , Roger R. Pili
发明人： Bruce E. Knuth , Kay Lap Gilbert Chan , Theo H. H. Den Ridder , Frantz D. Stanford , Roger R. Pili
IPC分类号： F04B17/00
摘要： A rotary air motor driven hydraulic pump has separate pressure and return actuators and first and second stage eccentric driven pistons 180 degrees out of phase and driven by the motor through a gear reduction unit. The pressure and return actuators are on/off/proportional valves and the pump has two pressure relief valves with one adjustable from outside of the pump for a user to set a pressure limit of the pump. Above a certain output pressure limit, a bypass valve shunts flow in excess of that needed to precharge the second stage compression chamber from the first stage piston to an elastic reservoir from which the hydraulic fluid pumped by the pump is drawn. To make the pump stall at a certain output pressure, a pressure limiting valve can be used that cuts off the air supply to the pump at the desired output pressure.
摘要翻译： 旋转气动马达驱动的液压泵具有单独的压力和返回致动器以及180度异相的第一和第二级偏心驱动活塞，并且由马达通过齿轮减速单元驱动。 压力和返回致动器是开/关/比例阀，泵具有两个压力释放阀，一个可从泵的外部调节，用于使用者设定泵的压力极限。 在一定的输出压力极限之上，旁路阀将流过超过将第二级压缩室预先从第一级活塞预充气到由泵泵送的液压流体的弹性容器所需的流量。 为了使泵在一定的输出压力下停止，可以使用限压阀，以期望的输出压力切断泵的空气供应。
-
公开(公告)号：US08689823B2
公开(公告)日：2014-04-08
申请号：US12446611
申请日：2007-10-25
CPC分类号： F15B11/072 , F15B2211/20507 , F15B2211/20538 , F15B2211/216 , F15B2211/26 , F15B2211/6051 , F16K31/1221 , Y10T137/7796 , Y10T137/7804 , Y10T137/7922
摘要： A hydro-pneumatic system has an air powered motor driving a hydraulic pump with a pressure limiting valve that turns off air flow to the air motor when a hydraulic pressure output by the pump at a sense port of the valve reaches a certain limit. A valve element of the valve has spring, hydraulic and pneumatic sections, with an unbalanced area of the hydraulic section in a sealed pressure chamber of a cartridge that is part of the valve housing. The pneumatic section extends out one end of the cartridge to fill a bore between the air inlet and outlet ports when the pneumatic section is extended, and allow air to pass when it is retracted.
摘要翻译： 液压气动系统具有驱动液压泵的空气动力马达，该液压泵具有压力限制阀，当在阀的感应端口处的泵输出的液压压力达到一定限度时，该压力限制阀将空气流向空气马达。 阀的阀元件具有弹簧，液压和气动部分，在作为阀壳体的一部分的盒的密封压力室中具有液压部分的不平衡区域。 当气动部分延伸时，气动部分延伸出筒的一端以填充空气入口和出口之间的孔，并允许空气在其缩回时通过。
-
公开(公告)号：US20100104456A1
公开(公告)日：2010-04-29
申请号：US12446611
申请日：2007-10-25
CPC分类号： F15B11/072 , F15B2211/20507 , F15B2211/20538 , F15B2211/216 , F15B2211/26 , F15B2211/6051 , F16K31/1221 , Y10T137/7796 , Y10T137/7804 , Y10T137/7922
摘要： A hydro-pneumatic system has an air powered motor driving a hydraulic pump with a pressure limiting valve that turns off air flow to the air motor when a hydraulic pressure output by the pump at a sense port of the valve reaches a certain limit. A valve element of the valve has spring, hydraulic and pneumatic sections, with an unbalanced area of the hydraulic section in a sealed pressure chamber of a cartridge that is part of the valve housing. The pneumatic section extends out one end of the cartridge to fill a bore between the air inlet and outlet ports when the pneumatic section is extended, and allow air to pass when it is retracted.
摘要翻译： 液压气动系统具有驱动液压泵的空气动力马达，该液压泵具有压力限制阀，当在阀的感应端口处的泵输出的液压压力达到一定限度时，该压力限制阀将空气流向空气马达。 阀的阀元件具有弹簧，液压和气动部分，在作为阀壳体的一部分的盒的密封压力室中具有液压部分的不平衡区域。 当气动部分延伸时，气动部分延伸出筒的一端以填充空气入口和出口之间的孔，并允许空气在其缩回时通过。
-
公开(公告)号：US08171678B2
公开(公告)日：2012-05-08
申请号：US12361011
申请日：2009-01-28
IPC分类号： E02D35/00
CPC分类号： E04G21/142 , E02D35/00 , E04B1/3511 , E04G21/16 , E04G21/163
摘要： The present invention provides a slab lift bracket that includes an collar portion with a center, an upper surface, a lower surface, an outer surface, and an inner surface. The slab lift bracket also includes a plurality of protruding members that are distributed around and fixed to the collar portion. The protruding members extend outwardly and downwardly of the collar portion at spaced apart locations, and have a hook shaped free end.
摘要翻译： 本发明提供了一种平板升降支架，其包括具有中心，上表面，下表面，外表面和内表面的凸缘部分。 平板提升托架还包括分布在套环部分周围并固定到其上的多个突起构件。 突出构件在间隔开的位置处向外和向下延伸凸缘部分，并且具有钩形自由端。
-
公开(公告)号：US20140048760A1
公开(公告)日：2014-02-20
申请号：US14058753
申请日：2013-10-21
申请人： Frantz D. Stanford
发明人： Frantz D. Stanford
CPC分类号： B66F3/46 , B66F3/24 , B66F7/20 , F15B11/12 , F15B11/22 , F15B2211/30505 , F15B2211/329 , F15B2211/405 , F15B2211/40515 , F15B2211/40576 , F15B2211/41527 , F15B2211/423 , F15B2211/71 , F15B2211/761 , F15B2211/782
摘要： A synchronous lifting or lowering system with hydraulic cylinders controlled by parallel-connected lift valves having two fluid passages. Hydraulic fluid for extending or retracting the actuators is delivered by a hydraulic supply system alternating between the two passages. Each time the supply circuit alternates passages, a fixed volume of hydraulic fluid is transferred during lifting or received during lowering by the respective lift or lowering valves to or from the cylinders causing the rods to lift or lower a proportionate amount. All of the rods extend during advancement or retract during lowering by approximately the same increment each time the supply circuit alternates passages. Because the rods all extend or retract the same increment each cycle, the load is lifted or lowered evenly and the need for height sensors or transducers is eliminated.
摘要翻译： 具有由具有两个流体通道的并联连接的升降阀控制的液压缸的同步提升或降低系统。 用于延伸或缩回致动器的液压流体由两个通道之间交替的液压供应系统输送。 每当供应回路交替通道时，固定量的液压流体在升降过程中被转移或在下降期间被相应的升降机或下降阀传送到或来自气缸，导致杆升高或降低成比例的量。 在每次供电电路交替通路时，所有的杆在提升或缩回期间在降低期间延伸大致相同的增量。 因为杆全部在每个循环中延伸或缩回相同的增量，所以负载被均匀地升高或降低，并且消除了对高度传感器或换能器的需要。
-
公开(公告)号：US20110283882A1
公开(公告)日：2011-11-24
申请号：US13106949
申请日：2011-05-13
申请人： Frantz D. Stanford
发明人： Frantz D. Stanford
CPC分类号： F15B15/1428 , F15B2215/305 , Y10T29/4927 , Y10T29/49272
摘要： A linear actuator includes an actuator wall, and the actuator wall includes a first wall layer having an inner surface that defines an actuator chamber. The actuator chamber is configured to accommodate an actuator fluid. The first wall layer is also subjected to a pre-load such that the first wall layer is compressively pre-stressed. The actuator wall further includes a second wall layer disposed outwardly from the first wall layer. The linear actuator further includes a piston supported within the actuator chamber, and the piston is movable in response to the actuator fluid entering and exiting the actuator chamber.
摘要翻译： 线性致动器包括致动器壁，并且致动器壁包括具有限定致动器室的内表面的第一壁层。 致动器室构造成容纳致动器流体。 第一壁层也经受预加载，使得第一壁层被压缩预应力。 致动器壁还包括从第一壁层向外设置的第二壁层。 线性致动器还包括支撑在致动器室内的活塞，并且活塞响应于致动器流体进入和离开致动器室而可移动。
-
公开(公告)号：US07544902B2
公开(公告)日：2009-06-09
申请号：US10549716
申请日：2004-03-26
申请人： Frantz D. Stanford
发明人： Frantz D. Stanford
摘要： A lift measurement system is provided for determining a position of a load during a lift operation. The system includes a display that includes a scale and encloses a movable indicator that moves relative to the scale. A linkage is in communication with the load and the scale, such that movement of the load is translated to movement of the indicator relative to the scale to provide an indication of the position of the load. A plurality of displays and linkages may be installed at various load support zones such that the relative position of the corresponding indicators provides feedback related to the orientation of the load.
摘要翻译： 提供了一种电梯测量系统，用于在升降操作期间确定负载的位置。 该系统包括显示器，其包括刻度并且包围相对于刻度尺移动的可移动指示器。 联动装置与负载和秤相通，使得负载的移动被转换为指示器相对于秤的运动，以提供负载位置的指示。 多个显示器和连杆可以安装在各种负载支撑区域，使得相应指示器的相对位置提供与负载的取向相关的反馈。
-
公开(公告)号：USD635278S1
公开(公告)日：2011-03-29
申请号：US29358162
申请日：2010-03-23
申请人： Frantz D. Stanford
设计人： Frantz D. Stanford
-
公开(公告)号：US20100186313A1
公开(公告)日：2010-07-29
申请号：US12361011
申请日：2009-01-28
CPC分类号： E04G21/142 , E02D35/00 , E04B1/3511 , E04G21/16 , E04G21/163
摘要： The present invention provides a slab lift bracket that includes an collar portion with a center, an upper surface, a lower surface, an outer surface, and an inner surface. The slab lift bracket also includes a plurality of protruding members that are distributed around and fixed to the collar portion. The protruding members extend outwardly and downwardly of the collar portion at spaced apart locations, and have a hook shaped free end.
摘要翻译： 本发明提供了一种平板升降支架，其包括具有中心，上表面，下表面，外表面和内表面的凸缘部分。 平板提升托架还包括分布在套环部分周围并固定到其上的多个突起构件。 突出构件在间隔开的位置处向外和向下延伸凸缘部分，并且具有钩形自由端。
-
-
-
-
-
-
-
-
-
搜索结果
11 条记录 (耗时 0.027 秒)
