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71. 发明申请

US20150300330A1 RECIPROCATING PUMPS FOR DOWNHOLE DELIQUIFICATION SYSTEMS AND PISTONS FOR RECIPROCATING PUMPS 有权
标题翻译：用于补充泵的井下脱水系统和活塞的再循环泵
公开(公告)号：US20150300330A1
公开(公告)日：2015-10-22
申请号：US14686920
申请日：2015-04-15
申请人： William Michel
发明人： William Michel
IPC分类号： F04B1/02 , F04B19/22
CPC分类号： F04B1/02 , E21B43/129 , E21B43/38 , F04B9/111 , F04B9/115 , F04B47/08 , F04B53/12 , F04B53/127 , F04B53/129 , F04B53/14 , F15B15/225 , F15B2211/755 , F15B2211/77 , F15B2211/7725 , F15B2211/853
摘要： A piston includes a piston housing and a decompression valve disposed in the piston housing. The decompression valve includes a valve housing seated in the piston housing and a valve member moveably received by the valve housing. The valve member has a radially outer surface including an annular shoulder. In addition, the piston includes an end cap secured to the first end of the piston housing. A radially inner surface of the end cap includes an annular valve seat. The decompression valve has a closed position with the annular shoulder of the valve member engaging the valve seat of the end cap and an open position with the annular shoulder of the valve member axially spaced from the valve seat of the end cap. The piston also includes a biasing member configured to bias the decompression valve to the closed position.
摘要翻译：活塞包括设置在活塞壳体中的活塞壳体和减压阀。减压阀包括位于活塞壳体中的阀壳体和可移动地被阀壳体容纳的阀构件。阀构件具有包括环形肩部的径向外表面。此外，活塞包括固定到活塞壳体的第一端的端盖。端盖的径向内表面包括环形阀座。减压阀具有关闭位置，其中阀构件的环形肩部接合端盖的阀座，并且打开位置，其中阀构件的环形肩部与端盖的阀座轴向间隔开。活塞还包括偏压构件，其构造成将减压阀偏压到关闭位置。

72. 发明授权

US09010234B1 Hydraulic cylinder with piston valve assembly 有权
标题翻译：带活塞阀组件的液压缸
公开(公告)号：US09010234B1
公开(公告)日：2015-04-21
申请号：US14229230
申请日：2014-03-28
申请人： Tim Foster
发明人： Tim Foster
IPC分类号： F01L21/04 , F15B13/04 , F15B15/22 , F01L11/06
CPC分类号： F15B15/225 , F01L11/06 , F01L21/04
摘要： A hydraulic cylinder includes a cylinder assembly having a cylinder, defining an inner hydraulic chamber and being for reciprocating receipt of a piston and piston rod therein; a piston rod extending from the inner hydraulic chamber exteriorly of the cylinder; and a piston head assembly connected with the piston rod and disposed for reciprocation within the cylinder assembly. The piston head assembly includes a piston head and a valve assembly including a passageway defined in the piston head and a valve member having an outer surface and being sized and configured for reciprocation in the passageway between extended and retracted positions therein, the valve member defining at least one flat defined along the outer surface and at least one transition surface between the outer surface and the flat, the transition surface forming an angle with the flat of between about 40 and 50 degrees.
摘要翻译：液压缸包括具有气缸的气缸组件，其限定内部液压室并且用于在其中往复接收活塞和活塞杆; 从气缸外部的内侧液压室延伸的活塞杆; 以及活塞头组件，其与活塞杆连接并设置用于在气缸组件内往复运动。活塞头组件包括活塞头和阀组件，其包括限定在活塞头中的通道和具有外表面的阀构件，该阀构件的尺寸和构造适于在通道中在其中的延伸位置和缩回位置之间往复运动，阀构件限定在至少一个沿外表面限定的平面和外表面与平面之间的至少一个过渡表面，该过渡表面与该平面形成约40度和50度之间的角度。

73. 发明授权

US08683910B1 Hydraulic cylinder with piston valve assembly 有权
标题翻译：带活塞阀组件的液压缸
公开(公告)号：US08683910B1
公开(公告)日：2014-04-01
申请号：US12861809
申请日：2010-08-23
申请人： Tim Foster
发明人： Tim Foster
IPC分类号： F01L21/04 , F15B13/04 , F01B31/00
CPC分类号： F15B15/225 , F01L11/06 , F01L21/04
摘要： A hydraulic cylinder includes a cylinder assembly having a cylinder, defining an inner hydraulic chamber and being for reciprocating receipt of a piston and piston rod therein; a piston rod extending from the inner hydraulic chamber exteriorly of the cylinder; and a piston head assembly connected with the piston rod and disposed for reciprocation within the cylinder assembly. The piston head assembly includes a piston head and a valve assembly including a passageway defined in the piston head and a valve member having an outer surface and being sized and configured for reciprocation in the passageway between extended and retracted positions therein, the valve member defining at least one flat defined along the outer surface and at least one transition surface between the outer surface and the flat, the transition surface forming an angle with the flat of less than 90 degrees.
摘要翻译：液压缸包括具有气缸的气缸组件，其限定内部液压室并且用于在其中往复接收活塞和活塞杆; 从气缸外部的内侧液压室延伸的活塞杆; 以及活塞头组件，其与活塞杆连接并设置用于在气缸组件内往复运动。活塞头组件包括活塞头和阀组件，其包括限定在活塞头中的通道和具有外表面的阀构件，该阀构件的尺寸和构造适于在通道中在其中的延伸位置和缩回位置之间往复运动，阀构件限定在至少一个沿外表面限定的平面和外表面与平面之间的至少一个过渡表面，该过渡表面与该平面形成小于90度的角度。

74. 发明申请

US20100139475A1 CUSHIONING SYSTEM FOR PNEUMATIC CYLINDER OF DIFFERENTIAL ENGINE 有权
标题翻译：差速发动机气缸冲洗系统
公开(公告)号：US20100139475A1
公开(公告)日：2010-06-10
申请号：US12532491
申请日：2008-04-10
申请人： Gennady Plavnik
发明人： Gennady Plavnik
IPC分类号： F01B23/00
CPC分类号： F15B15/225 , E05F3/102 , E05F15/53 , E05Y2900/132 , F15B15/065 , Y10T16/56
摘要： A cushioning system for a pneumatic cylinder powered differential engine door opening and closing device for use in passenger transportation vehicles wherein the cushioning initiation point can be adjusted. This cushioning initiation point is adjusted through the use of a linearly adjustable slider member within the large cylinder. The slider is linearly adjustable through the use of an adjustment screw located outside of the pneumatic cylinder and allows one to adjust the time and the mode of the opening/closing of power doors, without disassembly of the cylinder, and significantly improve the safety of the passenger.
摘要翻译：一种用于乘客运输车辆中的用于气缸动力的差速发动机门开闭装置的缓冲系统，其中可以调节缓冲起始点。该缓冲起始点通过在大气缸内使用线性可调的滑块构件来调节。滑块通过使用位于气缸外部的调节螺钉可线性调节，并且允许调节动力门的打开/关闭的时间和模式，而不会拆卸气缸，并且显着提高了气缸的安全性乘客。

75. 发明授权

US07717025B2 Fluid actuator with limit sensors and fluid limit valves 有权
标题翻译：带限位传感器和流体极限阀的流体致动器
公开(公告)号：US07717025B2
公开(公告)日：2010-05-18
申请号：US11691482
申请日：2007-03-26
申请人： Timothy David Webster , Ashu M. G. Solo , Joe Zhou
发明人： Timothy David Webster , Ashu M. G. Solo , Joe Zhou
IPC分类号： F15B15/18 , F01B31/00
CPC分类号： F15B15/1409 , F15B15/149 , F15B15/204 , F15B15/225
摘要： A fluid actuator with fluid limit valves (550, 551) and adjustable mechanical limits enables the construction of fluid linkages which are able to completely replace mechanical linkages. In a fluid circuit comprising of two or more fluid actuators, the pistons (102) of the fluid actuators can become uncorrelated when fluid leakage occurs. At the piston (102) extension and retraction limits, fluid limit valves (550, 551) open. The open fluid limit valves (550, 551) allow fluid to bypass pistons (102) and/or allow fluid from an external source to compensate the fluid leakage. The fluid bypassing pistons (102) at their extension or retraction limit and/or externally supplied fluid forces the uncorrelated pistons (102) to reach their extension or retraction limit as well. The fluid actuator with adjustable mechanical limits have one or more additional pistons (686, 688), which have an adjustable separation from the main piston (102) or end of cylinder. The fluid actuator with fluid limit valves (550, 551) and adjustable mechanical limits enables mechanical linkages to be replaced by fluid circuits composed of the fluid actuators.
摘要翻译：具有流体限制阀（550,551）和可调节的机械限制的流体致动器使得能够完全替代机械连接的流体连杆的构造。在包括两个或更多个流体致动器的流体回路中，当发生流体泄漏时，流体致动器的活塞（102）可能变得不相关。在活塞（102）延伸和缩回极限时，流体限制阀（550,551）打开。打开的流体限制阀（550,551）允许流体旁路活塞（102）和/或允许来自外部源的流体补偿流体泄漏。在其延伸或缩回极限和/或外部供应的流体旁路活塞（102）迫使不相关的活塞（102）达到其伸出或缩回极限。具有可调机械限制的流体致动器具有一个或多个附加的活塞（686,688），其具有与主活塞（102）或气缸端部的可调分隔。具有流体限制阀（550,551）和可调节的机械限制的流体致动器使机械连杆更换为由流体致动器组成的流体回路。

76. 发明授权

US5914023A Actuator 失效
标题翻译：执行器
公开(公告)号：US5914023A
公开(公告)日：1999-06-22
申请号：US106116
申请日：1998-06-29
申请人： Ronald Keith Roy , Peter Jones
发明人： Ronald Keith Roy , Peter Jones
IPC分类号： C25C3/14 , F15B11/064 , F15B13/04 , F15B15/14 , F15B15/22 , F15B15/24 , F15B15/26 , F15B21/14
CPC分类号： F15B15/149 , C25C3/14 , F15B15/1433 , F15B15/225 , F15B21/14
摘要： An actuator assembly comprises a piston within an actuating cylinder, and a valve for controlling the flow of actuating fluid to the first side of the piston. When the valve is actuated the flow of fluid to the first side of the piston is stopped and the pressure of the actuating fluid on the piston is sufficient to maintain the piston in a predetermined position along the stroke path. Also disclosed is a method of actuating the crust breaker of a smelter pot using the apparatus described. Fluid leakage through the piston rod sealing assembly is reduced; the volume of compressed air used by the smelter is reduced; and the working life of the actuator is improved.
摘要翻译：致动器组件包括在致动缸内的活塞，以及用于控制致动流体流到活塞的第一侧的阀。当阀被致动时，流动到活塞第一侧的流动停止，并且活塞上的致动流体的压力足以将活塞沿着行程路径保持在预定位置。还公开了使用所述装置来致动熔炉的外壳的破碎机的方法。通过活塞杆密封组件的流体泄漏减少; 冶炼厂使用的压缩空气体积减少; 并且致动器的工作寿命得到改善。

77. 发明授权

US5623861A Pneumatic cylinder and control valve therefor 失效
标题翻译：气动缸及其控制阀
公开(公告)号：US5623861A
公开(公告)日：1997-04-29
申请号：US480532
申请日：1995-06-07
申请人： Allan Ward , David J. Trimmer
发明人： Allan Ward , David J. Trimmer
IPC分类号： B23K11/31 , F15B11/036 , F15B15/22 , F15B11/08 , F15B13/04
CPC分类号： B23K11/31 , B23K11/314 , F15B11/0365 , F15B15/222 , F15B15/225 , F15B2211/40515 , F15B2211/41536 , F15B2211/7056 , Y10T137/7847
摘要： A pneumatic cylinder, especially for a spot-welding machine, has a sleeve valve mounted on the piston rod. The sleeve valve provides a venting valve for dumping pressure from a return chamber at the end of the forward stroke, and a progressive restrictor to close off a forward chamber and provide cushioning at the end of the return stroke.
摘要翻译：特别适用于点焊机的气缸具有安装在活塞杆上的套筒阀。套筒阀提供排气阀，用于在前行程结束时从返回室倾倒压力，以及渐进式限制器，用于关闭前室并在回程结束时提供缓冲。

78. 发明授权

US5562018A Hydraulic valve 失效
标题翻译：液压阀
公开(公告)号：US5562018A
公开(公告)日：1996-10-08
申请号：US561378
申请日：1995-11-21
申请人： Raymond K. Foster
发明人： Raymond K. Foster
IPC分类号： F15B15/22 , F01B15/04
CPC分类号： F15B15/225 , F15B15/222
摘要： A check valve (10) for a hydraulic actuator (14), wherein the check valve (10) includes a valve seat (72) and a displaceable valve component (62) for controlling the flow of hydraulic oil through valve seat (72). Check valve (10) also includes a cylindrical body portion (50) and a cap (54). A slot (70) is formed in the sidewall of the cylinder (22) of the hydraulic actuator. A valve stem (66) of valve component (62) extends through slot (70) into the working chambers of cylinder (22) and into the path of movement of piston (16). Springs (80, 94) bias valve component (62) into its seated position. Engagement of piston (16) with the lower end (90) of valve stem (66) pivots valve component (62) and unseats the plug member of the valve to allow fluid communication between the working chambers of cylinder (22) and passageway (56).
摘要翻译：一种用于液压致动器（14）的止回阀（10），其中所述止回阀（10）包括阀座（72）和用于控制通过阀座（72）的液压油流动的位移阀部件（62）。止回阀（10）还包括圆柱体部分（50）和盖（54）。在液压致动器的气缸（22）的侧壁中形成有槽（70）。阀部件（62）的阀杆（66）延伸穿过槽（70）进入气缸（22）的工作室并进入活塞（16）的运动路径。弹簧（80,94）偏压阀部件（62）进入其就座位置。活塞（16）与阀杆（66）的下端（90）的接合使阀部件（62）枢转并且使阀的插塞部件脱离接头以允许气缸（22）的工作室和通道（56）之间的流体连通）。

79. 发明授权

US4189983A Servomotor pressure control responsive to piston travel 失效
标题翻译：伺服电机压力控制响应活塞行程
公开(公告)号：US4189983A
公开(公告)日：1980-02-26
申请号：US756794
申请日：1977-01-04
申请人： Rolf Fassbender , Armin Lang
发明人： Rolf Fassbender , Armin Lang
IPC分类号： F15B15/22
CPC分类号： F15B15/225
摘要： An arrangement in the dropping of pressure in either chamber of a double acting booster steering servomotor is provided, such pressure drop starting at a predetermined point toward the end of travel of the servomotor piston in either direction. The invention is characterized by a respective bypass valve in each chamber, spring biased to closed position, and engageable by the piston, to be opened gradually. The piston force is exerted on the bypass valves through a respective spring so as to effect the gradual opening instead of the abrupt opening effected in the prior art. Opening of the bypass valves effects connections which shunt the servopump output to the system oil tank via a differential pressure valve as taught in Lang U.S. Pat. No. 3,878,763 to prevent strong mechanical stresses on the steering linkages at the ends of steering movement. Shunt control takes place through desirably small flow lines and bypass valves which heretofore have been found to produce undesirably abrupt operation.
摘要翻译：提供了在双作用助力转向伺服电动机的任一室中降低压力的布置，这种压力从在任一方向上朝着伺服电机活塞的行进终点的预定点开始。本发明的特征在于每个室中的相应的旁通阀，弹簧偏压到关闭位置，并且可被活塞接合，以逐渐打开。活塞力通过相应的弹簧施加在旁通阀上，以便实现逐渐打开，而不是现有技术中的突然开启。旁路阀的打开影响通过差压阀将伺服泵输出分流到系统油箱的连接，如Lang美国专利。 3,878,763号，以防止在转向运动两端的转向连杆上产生强烈的机械应力。分流控制通过期望的小流量管线和旁通阀进行，其迄今已被发现产生不期望的突然操作。

80. 发明授权

US3877344A Cushioned hydraulic actuator 失效
标题翻译：缓冲液压执行机构
公开(公告)号：US3877344A
公开(公告)日：1975-04-15
申请号：US33753173
申请日：1973-03-02
申请人： ALLIS CHALMERS
发明人： LANGLAND HERBERT Z
IPC分类号： F15B15/22
CPC分类号： F15B15/225 , Y10T137/87241
摘要： A hydraulic cylinder having a reciprocating piston and cushioning means on the end of the cylinder to decelerate the piston as it comes to the end of its stroke. The decelerating means includes a valving means and orifice means to restrict the flow and produce throttling of the hydraulic fluid as the piston nears the end of its stroke.
摘要翻译：液压缸，具有往复运动的活塞和缓冲装置，在气缸的端部使活塞在行程结束时减速。减速装置包括阀门装置和孔口装置，用于在活塞接近其行程末端时限制流动并产生液压流体的节流。

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