| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 137625280 | Dividing into parallel flow paths with recombining | 36 |
| 20090217996 | Fluid Control - A valve trim for a pressure reduction valve containing a plurality of high hydraulic flow resistance flowpaths therethrough. Each flowpath comprises at least two inlets ( | 09-03-2009 |
| 20100163127 | SAMPLING APPARATUS - A sampling apparatus for sampling a fluid from a fluid source includes a first fluid passage device, a second fluid passage device and a fluid by-pass. The first fluid passage device is disposed downstream of and in fluid communication with the fluid source. The second fluid passage device is disposed downstream of and is in fluid communication with the first fluid passage device. The fluid by-pass is disposed downstream of the fluid source and upstream of the second fluid passage device. The fluid by-pass being in fluid communication with and disposed between the fluid source and the second fluid passage device is operative to cause a first portion of the fluid to flow through the first fluid passage device and to cause a second portion of the fluid to by-pass the first fluid passage device and to flow to the second fluid passage device. | 07-01-2010 |
| 20130263952 | OIL PASSAGE CHANGE-OVER VALVE - An oil passage change-over valve allows an alternate communication from a first opening portion in one side a second and a third opening portion provided in another side to be changed over. A first opening portion is formed in one side of a valve body and the second and third opening portions are formed in another side of the valve body; a valve element within a valve hole of the valve body; and a communicating oil passage is formed in the valve element for alternately communicating the three opening portions. Inside the valve body, there are formed a first oil passage for connecting the valve hole with the first opening portion, a second oil passage for connecting the valve hole with the second opening portion, and a third oil passage for connecting the valve hole with the third opening portion deviated by 120 degrees from the first oil passage, respectively. | 10-10-2013 |
| 20160160483 | WATER FAUCET - A water faucet has a housing, an outlet cover, a valve shaft, a valve base, a pushing rod and a linkage rod. By repeatedly pressing a knob, water supply can be switched between the two different outlet portions, which is easy to operate. A valve shaft is only pushed by the spring such that a stopping loop of the valve shaft firmly contacts the divider of the valve base without leakage. | 06-09-2016 |
| 20180023766 | VALVE SYSTEM FOR AN LNG TANK | 01-25-2018 |
| 137625290 | Valve with bypass connections | 3 |
| 20090199916 | BY-PASS VALVE FOR HEAT EXCHANGER - A valve that includes a housing defining first and second bores having a central axis, and a peripheral valve seat. An actuator is located in the first bore and has a reciprocating seal disposed for movement along the central axis for engaging the valve seat and closing the valve. A coiled return spring is mounted in the housing for urging the reciprocating seal towards the chamber to open the valve, the return spring having a first end connected to the reciprocating seal and a second end engaging a spring support in the housing facing the first bore. The return spring may have a larger diameter at its second end than its first end. The housing may include a third bore in communication with the second bore and having a different cross-sectional area than the second bore. The return spring could be supported by a discrete spring support located in one of the bores. | 08-13-2009 |
| 20110061754 | INTEGRATED KITCHEN FAUCET SIDE SPRAY AND DIVERTER - A diverter assembly ( | 03-17-2011 |
| 20130061965 | CROSS-PORTING CONFIGURATION FOR SERIES PROGRESSIVE DIVIDER VALVE - A series progressive divider valve comprises a valve body having pistons. The valve body comprises a fluid inlet, piston bores, outlet bores, porting and bypass passages. The fluid inlet extends into the valve body. The piston bores extend through the valve body from a first end to a second end and include a piston. The outlet bores extend into the valve body, and each comprises first and second sets of outlet bores, wherein the outlet bores in each set are connected in an open-loop flow path. The porting forms passageways connecting the piston bores to each other and with the outlet bores such that when high pressure fluid is applied to the inlet each of the pistons reciprocates from the first end to the second end in sequence. The bypass passages each have a first end penetrating an outlet bore and a second end connected to an adjacent outlet. | 03-14-2013 |
| 137625300 | With metering feature | 7 |
| 20090205728 | Disc Arrangement for Drilling or Production Choke or Valve - A flow adjusting apparatus having a pair of discs can be used for a drilling or production choke or valve. A stationary disc fixedly positions in a flow passage and defines at least one first bore permitting fluid flow. A rotatable disc positions in the flow passage between the stationary disc and the distal end of a stem. The rotatable disc defines at least one second bore permitting fluid flow. Rotation of the rotatable disc adjusts relative orientation between the first and second bores and adjusts fluid flow through the first and second bores. The stationary disc has a greater length than the rotatable disc to control exiting fluid flow beyond the discs and reduce erosion. In addition, the rotatable disc's bore defines a tapered relief at the disc's front face to control inlet of fluid flow and reduce erosion. | 08-20-2009 |
| 20100154909 | MULTIRATE TUBING FLOW CONTROL VALVE - A flow control valve includes a stem extending into an interior bore defined by a wall of a flow control member of the valve, the stem and the wall defining therebetween a cylindrical space allowing fluid communication between apertures formed in differing planes of the flow control member. | 06-24-2010 |
| 20110180167 | CAGE VALVE WITH FLOW TRIM FOR REDUCED FRACTURING - Cage valve, flow trim components and methods for reduced fracturing of flow trim. The valve is of the type having flow trim arranged across an inlet bore and aligned with an outlet bore, and including a stationary tubular cage and an external cylindrical flow collar slidable along the side wall of the cage to cover or uncover one or more flow ports in the cage side wall. The tubular cage is formed such that, at least in the ported portion in which the flow ports are formed, the cage includes a tubular outer cage member and a tubular inner cage member, the inner cage member and the outer cage member being formed from a tungsten carbide material, being concentrically aligned, having a length to span at least the ported portion, and being joined together by bonding at an interface formed between the inner cage member and the outer cage member. | 07-28-2011 |
| 20130025723 | VALVE ASSEMBLY - A valve assembly, in particular a reducing valve assembly, comprises a first energy dissipating means with a plurality of apertures, a second energy dissipating means with a plurality of apertures and a valve closing means for opening and closing the valve assembly. The geometry of the plurality of apertures of the first energy dissipating means and the geometry of the plurality of the apertures of the second energy dissipating means is such that independently of the opening state of the valve assembly, the pressure drops at the first and second energy dissipating means are better balanced to be able to reduce the effect of cavitation on the housing of the valve assembly. | 01-31-2013 |
| 20130291974 | FLUID LEAKAGE DETECTION SYSTEM - Fluid-leakage detection system ( | 11-07-2013 |
| 20140130915 | LOW HYSTERESIS FLUID METERING VALVE - A low hysteresis fluid metering valve includes a valve body having an interior portion, an inlet port, an outlet port including a fluid delivery passage, and a shut-off port. A flow control member is arranged in the interior portion. The flow control member includes a first portion and a second portion. The first portion includes a first end extending to a second end through an intermediate portion having a first metered passage, a second metered passage, and a seal element. The first metered passage is configured and disposed to selectively register with the inlet port and the outlet port when the flow control member is arranged in a first position, and the second metered passage is configured and disposed to register with the shut-off port when the flow control member is arranged in a second position. | 05-15-2014 |
| 20140366970 | VALVE SOUND REDUCING TRIM ASSEMBLY WITH PRESSURE RELIEF MECHANISM - A cage for a control valve trim assembly includes a cage body having an opening at one end and a wall extending from the opening, a plurality of cage openings disposed in the wall, and a pressure relief mechanism disposed in the cage wall. | 12-18-2014 |
| 137625310 | Rotary | 3 |
| 20150136258 | SPOOL ASSEMBLY AND A VALVE COMPRISING THE SAME - A spool assembly includes an mounting base, having a upper mounting section and a lower mounting section arranged in axial direction; a first outlet, disposed between the upper mounting section and the lower mounting section; a stationary member, mounted on the lower mounting section, and having a stationary member diversion area; a movable member, one end face of which may be attached to one end face of the stationary member, and having a movable member diversion area located on the same plane with said first outlet; a mandrel, mounted on said upper mounting section and having a blocked upper end and a cavity; the lower end of said mandrel and said movable member have a diversion area located therebetween, which may be in communication with said cavity; the stationary member diversion area communicated or staggered with the mobile diversion area when the mandrel drives the movable member to rotate. | 05-21-2015 |
| 20160040666 | Rotary Injection Valve Systems and Apparatus and Methods for Operating the Same - Implementations described herein comprise fluid rotary injection valve systems and apparatus configured to selectively allow a working fluid to pass from one chamber into another where the fluid flow occurs at predetermined times and flow rates. Such fluid rotary injection valve systems can be useful in connection with rotational equipment and particularly for high speed rotational equipment operating with differential internal and external process pressures. | 02-11-2016 |
| 137625320 | Plug | 1 |
| 20100294387 | CONTROL VALVE FOR A CAMSHAFT ADJUSTER - A control valve for a device for variably setting control times of gas exchange valves of an internal combustion engine. The control valve has a valve housing, which is hollow, and at least one inflow connection, at least one exhaust connection, and at least two working connections, a hydraulic medium conduction insert disposed in the valve housing and implemented as hollow, having hydraulic medium conduction channels, which are disposed in the wall of the hydraulic medium conduction insert and communicate with the working connections; and a control piston, which is disposed in the hydraulic medium conduction insert. The hydraulic medium conduction insert has a guide sleeve, in which the control piston is guided. The guide sleeve has a plastic encapsulation, in which at least two of the hydraulic medium conduction channels are disposed, and a filter fabric is provided between the plastic encapsulation and the guide sleeve. | 11-25-2010 |
| 137625330 | Reciprocating | 18 |
| 20080314463 | CONTROL VALVE WITH INTEGRATED INSERT PROVIDING VALVE SEAT AND PLUG GUIDES - A control valve for regulating flow of fluids has an actuator located in a control chamber connected to a valve body. The valve body defines a flow passageway passing through an opening. A plug is associated with the actuator such that movement of the actuator from a retracted position towards an extended position displaces the plug towards the opening. The valve also includes a guide-and-seat insert which provides a valve seat interconnected with an attachment collar via a number of plug guides. When the plug is displaced by the actuator, the plug slides in contact with at least two of the plug guides. When the actuator moves to its extended position, the plug closes against the closure surface of the valve seat so as to block the passage of fluid from an inlet to an outlet of the valve. | 12-25-2008 |
| 20090065080 | BI-DIRECTIONAL ADJUSTABLE ENERGY DISSIPATING NEAR ZERO LEAKAGE HEAD LOSS VALVE - A bi-directional adjustable energy dissipating near zero leakage head loss valve comprising a valve body including and actuation shaft housing and a guide shaft mount disposed in opposition along the transverse valve actuation axis; a fixed plate having downstream orifices parallel to the flow axis; a mobile plate having upstream orifices parallel to the flow axis adapted to move along the transverse valve actuation axis: from a fully open position, wherein the upstream and downstream orifices are aligned to allow flow communication to a fully closed position, wherein the orifices are blocked by the mobile plate; a self adjusting taper ring located about the upstream inner perimeter of the valve body, the self adjusting taper ring having an inner surface engagingly biased against and parallel to the upstream side of the mobile plate, and having an outer surface engagingly biased against an upstream pipe gasket flange. | 03-12-2009 |
| 20110108146 | Flow Restricted Seat Ring for Pressure Regulators - A control device includes a valve body, a seat ring, and an actuator. The valve body defines a flow-path for a fluid. The seat ring is disposed within the flow-path. The actuator is coupled to the valve body and includes a control member. The control member is adapted for displacement relative to the seat ring for regulating a flow of the fluid through the flow-path. The control member includes a sealing disk adapted to sealingly engage the seat ring and close the flow-path. The seat ring includes a plurality of orifices disposed within the flow-path such that the seat ring prevents at least a portion of the flow of the fluid from substantially perpendicularly impacting the sealing disk. | 05-12-2011 |
| 20120175001 | LIQUID CHEMICAL DISCHARGE VALVE AND LIQUID CHEMICAL SUPPLY SYSTEM - A liquid chemical discharge valve which includes a diaphragm valve having a contact portion for varying that varies a flow condition between the liquid chemical supply port and the liquid chemical discharge port by manipulating a lift amount, which is a distance between the contact portion and one of the liquid chemical supply port and the liquid chemical discharge port, between a closed valve condition and a maximum lift amount. The liquid chemical discharge valve includes an actuator unit for driving the contact portion in accordance with a supply pressure of the operating gas supplied from the operating gas supply port, to thereby manipulate the lift amount. The actuator unit includes a lift amount limiting unit for limiting the maximum lift amount adjustably. | 07-12-2012 |
| 20140332103 | DEVICE FOR REDUCING PRESSURE AND VELOCITY OF FLOWING FLUID - The present invention relates to a device for reducing the pressure and velocity of a flowing fluid. According to the present invention, a cage has discs having through holes which come into close contact with an outer surface of a plug. The discs are stacked in a direction of a central shaft of the cage. Flow passage portions are formed on the stacked discs, wherein the flow passage portions communicate with the outer surfaces of the discs, and the inner surfaces which correspond to the through-holes so as to form flow passages between the stacked discs, and the direction of the flow passages changes to a circumferential direction and a vertical direction on the stacked discs. Additionally, the discs are stacked by applying one or more flow passage portions based on the number of times of the direction of the flow passage changes and the number of flow passage portions to the discs so as to control the increasing velocity of the flow rate of the fluid according to the degree of opening formed upon upward movements of the plug. | 11-13-2014 |
| 20150330531 | VALVE SOUND REDUCING TRIM ASSEMBLY WITH PRESSURE RELIEF MECHANISM - A cage for a control valve trim assembly includes a cage body having an opening at one end and a wall extending from the opening, a plurality of cage openings disposed in the wall, and a pressure relief mechanism disposed in the cage wall. | 11-19-2015 |
| 20150337972 | TWO-STAGE PILOT SOLENOID VALVE - There is provided a two-stage pilot solenoid valve of which the size is reduced as a whole and which is excellent in mountability. | 11-26-2015 |
| 137625340 | Spool | 7 |
| 20090266432 | SPOOL SEAT WITH A POSITIONING STRUCTURE - The present invention provides a spool seat with a positioning structure, which resolves the shortcomings of the assembly of a typical spool ceramic disc and spool seat. The spool seat of the present invention is provided with a chamber space for locating the fixed ceramic disc. The chamber space is provided with an internal locating portion which comprises an internal locating flange and external locating flange. An external locating portion is protruded from the chamber space. The chamber space is divided into inlet space and outlet space via the arrangement of internal locating portion. It is possible to eliminate the space restrictions for the fixed ceramic disc, and also prevent the rotation and slide or displacement when the fixed ceramic disc is assembled into the chamber space of the spool seat. | 10-29-2009 |
| 20140352825 | CONTROL VALVE WITH CONTACT SURFACE HARDENED END CAPS - An end cap assembly configured for use in a control valve and in combination with a spool includes a stater, the stater having a spool stop having a hardened surface. | 12-04-2014 |
| 20150377369 | PRESSURE BALANCED PORTS FOR HYDRAULIC VALVES - A valving arrangement is provided with a specially designed second fluid port which equalizes lateral forces induced upon a spool valve to greatly reduce or eliminate such forces and thereby virtually eliminate laterally induced ware upon the spool valve or a valve port. | 12-31-2015 |
| 20160153566 | Valve | 06-02-2016 |
| 137625350 | With internal passage | 3 |
| 20100229983 | FLOW FORCE REDUCTION BY INCREMENTAL PRESSURE DROP - A fluid flow control device for improving, for example, valve operation by reducing “error forces” occurring due to fluid communication between ports of a valve having two or more ports. Incremental pressure drop passages bleed incrementally the flow of fluid between first an second ports as the valve spool is moving between the first and second positions to decrease the pressure differential generated force exerted on the spool whereby the energy required to be applied to the spool for moving the spool between the first and second positions is decreased. | 09-16-2010 |
| 20140166139 | SPOOL VALVE - A spool valve includes a valve housing and a spool. The valve housing includes a spool hole, a first oil passage, and a second oil passage. The first oil passage has a first port, a second port and a third port that are open to the spool hole. The second oil passage has a fourth port, a fifth port and a sixth port that are open to the spool hole. The spool includes a first oil groove, a second oil groove, a third oil groove, a fourth oil groove, a first communication passage, and a second communication passage. The spool is slidable in the spool hole to switch communication of the third oil groove with the second port and the third port and to switch communication of the fourth oil groove with the fifth port and the sixth port. | 06-19-2014 |
| 20150129069 | CONTROL VALVE FOR A CAMSHAFT ADJUSTER - A control valve ( | 05-14-2015 |
| 137625370 | Piston | 4 |
| 20090056820 | Controllable pressure-reducing valve and device for the generation of pressure change signals - The invention is directed to a controllable pressure reducing valve ( | 03-05-2009 |
| 20130276924 | MULTI-STAGE FLUID FLOW CONTROL DEVICE - A control valve which includes a uniquely configured seat ring outfitted with flow passages adapted to operatively interact with a valve plug in a manner providing prescribed pressure reduction characteristics in a fluid flowing through the flow passages. The seat ring of the control valve of the present invention is preferably fabricated through the use of a direct metal laser sintering (DMLS) process. The use of the DMLS process to facilitate the fabrication of the seat ring in the control valve allows for the creation of more intricate and complex flow passages therein. Such increased intricacy/complexity provides better flow range/rangeability within the control valve. | 10-24-2013 |
| 20150020903 | CASCADE TRIM FOR CONTROL VALVE - A cascade type trim for integration into control valve and having a valve stem and a valve cage which cooperate with each other to define a plurality of fluid passageway columns, each of which extend between a valve inlet and a valve outlet. Each fluid passageway column is collectively defined by a plurality of stem passageways and a plurality of cage passageways. The stem and cage passageways are brought in and out of alignment as a result of axial movement of the stem relative to the cage. In a first position, a first fluid passageway is open, while a second fluid passageway remains closed. In a second position, both the first and second fluid passageways are open, and yet in a third position, the first fluid passageway is closed and the second fluid passageway is open. | 01-22-2015 |
| 137625380 | With internal flow passage | 1 |
| 137625390 | Sequential opening or closing of serial ports in single flow line | 1 |
| 20080264504 | Control Valve Having "C" Seal - A control valve having a shiftable valve plug includes a valve body having an inlet, an outlet, a flow passage extending between the inlet and the outlet, and defining a longitudinal axis, a generally cylindrical valve cage disposed within the valve body and sized to receive the valve plug, with the valve cage including at least one aperture comprising at least a portion of the flow passage, a portion of the valve cage disposed adjacent a portion of the valve body at an interface. A seal having a C-shaped cross section is provided and is disposed at the interface between the valve cage and the valve body, and a retainer is disposed adjacent the interface and positioned to secure the seal against movement along the longitudinal axis. | 10-30-2008 |
