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81. 发明公开

EP1015765A2 TEMPERATURE CONTROL SYSTEM IN A HIGH PRESSURE PUMP FOR FAILURE DETECTION OF VALVES AND PLUNGER SEAL 有权
标题翻译：设备和祖先特定组件的状态的高压流体泵诊断
公开(公告)号：EP1015765A2
公开(公告)日：2000-07-05
申请号：EP98948307.8
申请日：1998-09-16
申请人： FLOW INTERNATIONAL CORPORATION
发明人： TING, Edmund, Y. , RAGHAVAN, Chidambaram , TREMOULET, Oliver, L., Jr.
IPC分类号： F04B51/00
CPC分类号： F04B51/00 , F04B49/065 , F04B2201/0801
摘要： A method and apparatus for diagnosing components in high-pressure pumps to indicate when a component of the pump head is malfunctioning and to identify the malfunctioning component. In one embodiment, a high-pressure pump head incorporating a diagnostic system in accordance with the invention has a pressurization chamber and a pressurizing member at least partially received in the pressurization chamber. The pressurizing member moves within the pressurization chamber along an intake action to draw fluid into the pressurization chamber and along a pressurizing action to compress fluid in the pressurization chamber. An inlet fluid control assembly is coupled to the pressurization chamber to allow fluid to enter the pressurization chamber during the intake action, and a pressurized fluid control assembly is coupled between the pressurization chamber and an outlet chamber to selectively allow pressurized fluid into the outlet chamber during the pressurizing action. The pump head may also include a diagnostic system to indicate the operational status of each of the inlet fluid control assembly, the pressurized fluid control assembly and other components of the pump head upstream from the inlet fluid control assembly with respect to a fluid flow through the pump head during the pressurizing action.

82. 发明授权

EP0410545B1 High pressure fluid pump with poppet valve 失效
标题翻译：高压泵提升阀
公开(公告)号：EP0410545B1
公开(公告)日：1996-02-28
申请号：EP90202054.4
申请日：1990-07-26
申请人： FLOW INTERNATIONAL CORPORATION
发明人： Tan, David K.M.
IPC分类号： F04B53/10
CPC分类号： F04B53/1087 , F16K17/0433 , Y10T137/7929

83. 发明公开

EP0391500A2 Abrasivejet nozzle assembly for small hole drilling and thin kerf cutting 失效
标题翻译：喷嘴Abrasivstrahlmittel小口径开孔加工或薄的凹口的切割。
公开(公告)号：EP0391500A2
公开(公告)日：1990-10-10
申请号：EP90200835.8
申请日：1990-04-05
申请人： FLOW INTERNATIONAL CORPORATION
发明人： Hashish, Mohamed A. , Craigen, Steven J.
IPC分类号： B24C5/04
CPC分类号： B24C5/04
摘要： An abrasivejet nozzle assembly is disclosed which is particularly suitable for drilling small diameter holes in a workpiece. Such assemblies include a mixing region (42) wherein abrasive particles are entrained into a high velocity waterjet formed as high pressure water is forced through a jet-forming orifice (18). Among the unique features of the nozzle assembly are an inwardly tapered abrasive path (46a) just upstream of the mixing region, flushing conduits (48,59) immediately upstream and downstream of the mixing region, and a venting passageway (50) upstream of the mixing region which prevents the backflow of abrasive dust towards the jet-forming orifice.
摘要翻译：在磨料射流喷嘴组件游离缺失是所有盘，其特别适用于在工件中钻出小直径的孔。搜索组件包括worin磨料颗粒被夹带进入高速水射流形成为高压水通过喷射成型孔（18）的强制的混合区（42）。间的喷嘴组件的独特特点是在向内锥形的磨料路径（46A）刚混合区域的上游，冲洗导管（48,59）在紧接的上游和混合区的下游，并且一通气通道（50）的上游混合区域这防止磨料粉尘倒流朝向射流形成孔口。

84. 发明公开

EP0391489A1 High pressure pump valve assembly 失效
标题翻译： Ventileinheit einer Hochdruckpumpe。
公开(公告)号：EP0391489A1
公开(公告)日：1990-10-10
申请号：EP90200807.7
申请日：1990-04-03
申请人： FLOW INTERNATIONAL CORPORATION
发明人： Tremoulet, Olivier L., Jr.
IPC分类号： F04B21/02
CPC分类号： F04B53/103 , F04B53/1022 , F04B53/109 , Y10T137/5762 , Y10T137/7842
摘要： A high pressure fluid pump having a reciprocating piston (20) which pumps fluid through a central passageway (28) in a valve body (24) of a valve assembly. The valve body (26) forms with an end section of the housing (16) a high pressure fluid chamber (34) axially aligned with the piston (20). The effective pressure area in the valve chamber (34) acting on the valve body (26) is greater than the effective pressure area acting on the valve body (26) from the cylinder chamber in which the piston (20) reciprocates, so that a net rearward force is exerted on the valve body (26). There are forward and rear seal members (50,52) around the valve body (26) which are caused to come into sealing engagement due to fluid pressure in the valve chamber (34).
摘要翻译：一种具有往复式活塞（20）的高压流体泵，该往复活塞通过阀组件的阀体（24）中的中心通路（28）泵送流体。阀体（26）与壳体（16）的端部部分形成有与活塞（20）轴向对准的高压流体室（34）。作用在阀体（26）上的阀室（34）中的有效压力面积大于从活塞（20）往复运动的气缸室作用在阀体（26）上的有效压力区域，使得净向后的力施加在阀体（26）上。由于阀室（34）中的流体压力，使得阀体（26）周围的前后密封构件（50,52）进入密封接合。

85. 发明公开

EP0391487A2 High pressure dynamic seal 失效
标题翻译： Dynamische Hochdruckdichtung。
公开(公告)号：EP0391487A2
公开(公告)日：1990-10-10
申请号：EP90200803.6
申请日：1990-04-03
申请人： FLOW INTERNATIONAL CORPORATION
发明人： Hashish, Mohamed A. , Olsen, John H. , Buchberger, Anton H. , Tremoulet, Olivier L., Jr. , Mordre, Sigurd C. , Tan, David K.M.
IPC分类号： F16J15/56 , F16J15/00
CPC分类号： F16J15/48 , F16J15/56
摘要： A seal assembly (20) having a backup ring (26) through which a piston reciprocates. There is a seal sleeve (58) made of a non-abrading, extrusion resistant material that surrounds the piston at a location forwardly of the backup ring (26). The backup ring (26) has an opening (42) to receive the piston (14), and the opening (42) is formed to define a radially and rearwardly expanding gap (52) between the piston (14) and backup ring (26) to receive and discharge any seal material which may extrude into the gap. There is a positioning flange (36) integral with the backup ring (26) that surrounds the seal sleeve (58) to press the seal sleeve (58) into engagement with the piston (14), and there is an outer seal portion (88) to form a seal between the positioning flange (or the outer portion of the backup ring) and the cylinder.
摘要翻译：具有支撑环（26）的密封组件（20），活塞往复运动。有一个密封套（58），由一个非研磨，耐挤压的材料制成，它在支撑环（26）的前方的一个位置处围绕活塞。支撑环（26）具有用于容纳活塞（14）的开口（42），并且开口（42）形成为在活塞（14）和支撑环（26）之间限定径向和向后扩张的间隙（52））接收和排出可能挤出到间隙中的任何密封材料。有一个与支承环（26）成一体的定位凸缘（36），围绕密封套（58）以将密封套（58）推压到与活塞（14）接合，并且有一个外密封部分）以在定位凸缘（或支撑环的外部）和气缸之间形成密封。

86. 发明授权

EP3781353B1 ABRASIVE FLUID JET CUTTING HEAD AND RELATED METHOD FOR CUTTING SENSITIVE MATERIALS 有权
公开(公告)号：EP3781353B1
公开(公告)日：2024-06-26
申请号：EP19807384.3
申请日：2019-05-13
IPC分类号： B24C7/00 , B24C1/04 , B26F3/00 , B24C5/04
CPC分类号： B24C1/045 , B24C5/04 , B24C7/0076 , B24C7/0084 , B26F3/004

87. 发明授权

EP3089849B2 ABRASIVE SLURRY DELIVERY SYSTEMS AND METHODS 有权
公开(公告)号：EP3089849B2
公开(公告)日：2024-02-21
申请号：EP14806482.7
申请日：2014-10-31
发明人： HASHISH, Mohamed, A. , NIBLOCK, Robert , CRAIGEN, Steven, J. , SCHUMAN, Bruce, M.
IPC分类号： B24C5/02

88. 发明授权

EP1597482B1 APPARATUS AND METHOD FOR DETECTING MALFUNCTIONS IN HIGH-PRESSURE FLUID PUMPS 有权
公开(公告)号：EP1597482B1
公开(公告)日：2018-12-19
申请号：EP04709918.9
申请日：2004-02-10
申请人： FLOW INTERNATIONAL CORPORATION
发明人： PEARSON, Larry, G. , TANUMA, Aki , WAKEFIELD, Charles, M.
IPC分类号： G05B23/02
CPC分类号： G05B23/0235
摘要： A fluid pump system includes a pump having a plurality of cylinders, each having an outlet port coupled to a high-pressure manifold. A pressure transducer is coupled to the manifold and configured to convert pressure levels of fluid in the manifold to a voltage signal at an output of the transducer. The system further includes a digitizer configured to convert the voltage signal from the transducer to a digital signal at a digitizer output, such that when a value of the voltage signal is less than a selected reference voltage a first digital value is produced, and when the voltage level exceeds the selected reference voltage a second digital value is produced. A diagnostic circuit having an input coupled to the digitizer output is configured to detect malfunctions of the pump based upon characteristics of the digital signal.

89. 发明公开

EP3365136A1 CONTOUR FOLLOWER APPARATUS AND RELATED SYSTEMS AND METHODS 有权
公开(公告)号：EP3365136A1
公开(公告)日：2018-08-29
申请号：EP16791193.2
申请日：2016-10-20
申请人： Flow International Corporation
发明人： ROMANOFF, Ethan, E. , CLAEYS, Kenneth, E. , EIDE, Kirby, J.
IPC分类号： B24C1/04 , B23Q17/22 , B26F3/00
摘要： Systems and related methods are provided for maintaining a spatial relationship between a tool of the multi-axis machine (e.g., fluid jet nozzle of a fluid jet cutting machine) and a workpiece to be processed by the tool. An example system includes a contour follower apparatus having a sensor and a gimbal assembly operable with the sensor to sense a deviation between a machine focal point and a gimbal assembly focal point defined by the gimbal assembly as the gimbal assembly rides upon the surface of the workpiece during operation. The system may further include a gimbal mount assembly configured to sense a collision event of the gimbal assembly with another object.

90. 发明公开

EP3322567A1 METHODS OF CUTTING FIBER REINFORCED POLYMER COMPOSITE WORKPIECES WITH A PURE WATERJET 有权
公开(公告)号：EP3322567A1
公开(公告)日：2018-05-23
申请号：EP16742132.0
申请日：2016-07-11
申请人： Flow International Corporation
发明人： HASHISH, Mohamed, A. , BURNHAM, Charles, D. , CRAIGEN, Steven, J.
IPC分类号： B26F3/00 , B26D7/08 , B26D5/06 , B26F1/38
CPC分类号： B26F3/004 , B26D5/06 , B26D7/08 , B26F1/3806 , B26F1/3813
摘要： Methods of trimming fiber reinforced polymer composite workpieces are provided which use a pure waterjet discharged from a cutting head in liquid phase unladened with solid particles at an operating pressure of at least 60,000 psi and in combination with other cutting parameters to provide a final component profile without delamination, splintering, fraying or unacceptable fiber pullout or fiber fracture.

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