| Entries |
| Document | Title | Date |
|---|
| 20080217573 | POPPET CARTRIDGE WITH TWO-PIECE POPPET AND PISTON COUPLED BY A FLOATING COUPLER - In an example embodiment, there is described herein a two-piece poppet and piston assembly coupled by a floating coupler for use with a poppet cartridge assembly. The two-piece poppet assembly and floating coupler provide axial and radial tolerance that helps to ensure an effective seal (face contact between poppet and liner/seat) and has self aligning properties that help to ensure even wear on dynamic seals. | 09-11-2008 |
| 20080230735 | Control valve body - A control valve body includes a valve seat containing multiple metal pipes and valve chamber; both ends of each pipe being respectively disposed with a water inlet and a water outlet to connect through those chambers; one or a plurality curvature being provided to the pipe between the water inlet and the water outlet; and the valve seat being clad with an outer layer to provide a hard-wearing and production cost saving control valve body construction due to the inherited heat resisting and durable properties of metal pipe. | 09-25-2008 |
| 20080258097 | TWO-PIECE TRIM FOR USE WITH FLUID REGULATORS - Two-piece trim apparatus for use with fluid regulators are described. In one described example, a fluid regulator has a regulator body and a first seat ring to provide a first flow characteristic disposed within the body and defining a fluid orifice. The first seat ring is interchangeable with a second seat ring that is to provide a second flow characteristic different from the first flow characteristic. The fluid regulator also includes a first cage to provide a third fluid characteristic and removably coupled to the first seat ring. The first cage is interchangeable with a second cage that is to provide a fourth fluid flow characteristic different from the third flow characteristic. The first cage can be selectively coupled to the first seat ring or the second seat ring and the first seat ring can be selectively coupled to the first cage or the second cage. | 10-23-2008 |
| 20090008593 | Seat Ring - An upstream seat ring and an auxiliary seat ring, which improve valve's capability resistant to erosion by the fluid carrying solid particles or containing liquid drops. One end of the auxiliary seat ring passes through bore of the upstream seat ring and the other end is fixed in the pocket of the valve upstream passageway. There are many bar barriers or analogous mechanism with rectangular, tooth-like or any other geometrical shapes cross-section around the circumferential surface of their bores, which are radially concaved inward or projected outward from the circumferential surface, are longitudinally extended an overall distance from one radial end face of the seats to opposite radial end face or a distance from the radial end face next to the upstream surface of the valve closure member towards the opposite radial end face, and spaced each other radially. | 01-08-2009 |
| 20090014678 | Elastomeric Sealing Element for Gas Compressor Valve - This invention relates to the use of elastomers with the sealing element of reciprocating gas compressor valves to increase the reliability of the gas tight seal within the reciprocating gas compressor valve and to increase the useful life of reciprocating gas compressor valve. The elastomeric material is either used as a coating layer on the sealing element of the reciprocating gas compressor valve, or as the entire sealing element. The elastomeric material acts as a cushion to reduce the wear on the sealing element, provides a superior gas tight seal, and is more tolerant of entrained dirt or liquids in the gas stream thereby increasing the operable life of the reciprocating gas compressor valve. Reducing the mean time between reciprocating gas compressor valve failures results in longer reciprocating gas compressor run times for the user, increased revenue generation for the user and safer operation of said equipment. | 01-15-2009 |
| 20090065727 | Seat Block and Valve Device - A seat block capable of maintaining a well-fitted state of a seat portion in a simple and reliable manner regardless of use conditions. A seat portion base body ( | 03-12-2009 |
| 20090173905 | VACUUM VALVE WITH A SEALING RING - A vacuum valve with a seating ring having a generally rectangular cross section. With respect to rectangular edges lying diametrically opposite one another, radii of curvature are arranged in these edges, which radii of curvature come into sealing engagement with sealing seats arranged lying opposite one another on the housing side and the disk side. The sealing surfaces on the sealing seats have approximately the same cone angle. The sealing ring is easy to produce, has a small rolling path and there is no danger of damage to the valve seats by the sealing ring. | 07-09-2009 |
| 20090256101 | Valve Assembly - The present invention is directed to a pressure-responsive valve assembly which functions in the nature of a check valve to control fluid flow across the assembly. The assembly includes a valve body which defines first and second internal flow passages, and includes a valve seat through which at least one flow port extends for joining the first and second passages in fluid communication with each other. A flexible, resiliently deformable valve member is positioned in operative association with the valve seat, and can be deflected, in response to a sufficient pressure differential, to move out of sealing engagement with the valve seat, to thereby permit fluid flow through the valve assembly. In the preferred embodiment, the valve seat of the valve assembly defines a compound sealing surface, including first and second sealing surfaces, which cooperate with the deflectable valve member to provide enhanced resistance to reverse fluid flow, with one preferred form of the present valve assembly further including a retention projection which cooperates with the valve member to further enhance resistance to reverse fluid flow. | 10-15-2009 |
| 20090267014 | Fluid On-Off Valve Device - A check valve (fluid on-off valve device) capable of attaining high sealability in either case where a differential pressure is high or low, comprises a valve body assembly (valve body) contacting and separating from a valve seat portion for communicating and blocking a fluid passage. The valve body assembly comprises a valve body, a low-pressure seal portion constituted out of soft material and a high-pressure seal portion constituted out of harder material than the low-pressure seal portion. In blocking a fluid passage, when a differential pressure between an upstream path and a downstream path in the fluid passage is relatively low, the low-pressure seal portion comes into close contact with a protrusion to block the fluid passage, while when the differential pressure is relatively high, the low-pressure seal portion is compressively deformed by the differential pressure and the high-pressure seal portion comes into close contact with the valve seat body, thus blocking the fluid passage. | 10-29-2009 |
| 20090289209 | Process For Hardfacing of Bore and Seat Face Intersection on Gate Valve - A method of treating a valve with a coating, such as hardfacing, that includes depositing the coating with a spray stream that is oriented perpendicular to the surface being treated. The method further includes applying a coating of uniform thickness onto lateral surfaces of a valve seat, a portion of the valve seat bore, and the interface between a valve seat lateral surface and the valve seat bore. The valve seat bore can include an annular recess formed to receive a layer of coating. | 11-26-2009 |
| 20100006792 | STEAM VALVE - A steam valve is provided with a valve body, a valve seat, and a valve rod provided for the valve body. The valve body has a bottom portion to which a recessed portion is formed, and the recessed portion has an edge, which is positioned on an upstream side of a place at which a shock wave is generated in steam flowing through a steam path defined by the valve body and the valve seat. | 01-14-2010 |
| 20100117019 | SEAT ARRANGEMENT WITH CAVITY PRESSURE RELIEF FOR A BALL VALVE - A ball valve seat arrangement is provided that permits relief of cavity pressure. The arrangement includes a valve body for receiving a resilient annular seat. First passages in the seat provide communication between the valve cavity, and a space formed between the seat and the valve body. When the cavity pressure reaches a certain level, a sealing point between the seat and the valve body is lost. Communication is thereby provided between the space and the valve passage to achieve cavity pressure relief. | 05-13-2010 |
| 20100133460 | Valve Seat Apparatus Having Positive Retention for Use with Fluid Control Devices - Valve seat apparatus having positive retention for use with fluid control devices are described herein. An example valve seat apparatus includes a metallic ring and an elastomeric ring coupled to the metallic ring and having a sealing surface to sealingly engage a flow control member of the fluid control device. At least a portion of an outer surface of the elastomeric ring includes an annular lip to sealingly engage an annular recess of a body of the fluid control device. | 06-03-2010 |
| 20100140526 | HIGH PRESSURE WATER PUMP VALVE AND SEAL STRUCTURE - A valve seat for use in a high pressure pump comprises an inner portion force fit within an outer portion. The outer portion has a fluid plenum at an outer peripheral surface. Fluid passages extend radially inwardly to communicate with a valve recess in the inner portion. A seal housing for a high pressure pump comprises an outer portion and an inner portion. The inner portion is force fit within the outer portion. The inner portion has an inner bore having a first location to receive seal packings, and a second location to receive valve spring structure. The inner portion has a curved surface that bottoms out against a curved surface within the outer portion. | 06-10-2010 |
| 20100140527 | COATED SEALS - The seal made between two surfaces is enhanced by forming a coating ( | 06-10-2010 |
| 20100219365 | FASTENING SYSTEM FOR DRAINAGE VALVES - The drainage valves have the purpose of removing the water accumulated in the lower part of fuel tanks of an aircraft, said valves being affix in correspondence with a lower skin forming part of said tanks. The lower skin includes recesses for the complementary housing of the heads of the valves that, in combination with some axial fastening nuts, immobilize the said valves to that skin. | 09-02-2010 |
| 20100230627 | NOISE REDUCING POPPET VALVE - A personal valve apparatus may include a nozzle, a valve seat, and a moveable poppet valve. The nozzle may comprise an inner air-flow surface having a nozzle cavity extending through the inner air-flow surface. The valve seat may comprise a seat member disposed at an end of the inner-air-flow surface with the seat member disposed over the nozzle cavity. The moveable poppet valve may be disposed over the seat member and the nozzle cavity. The moveable poppet valve may comprise a convex surface. When the moveable poppet valve is in an open position, the convex surface may be disposed over and apart from the seat member to allow air to flow from the nozzle cavity, against the convex surface, between the seat member and the convex surface, and beyond the seat member. The convex surface of the poppet valve may reduce air turbulence, drag, flow separation, and/or noise within the valve apparatus. | 09-16-2010 |
| 20100314571 | Unitary Flapper Base and Method of Manufacture - A flapper base provides a flapper base body with a hinge portion unitarily formed thereupon and a flapper seat surface formed within the flowbore of the body. The flapper base may be formed from a single section of tubular metallic stock. In a method of forming a base, the stock is gripped by a rotary clamp, and a five-axis milling machine is used to cut away portions of the stock section and to form the seat surface. | 12-16-2010 |
| 20110012046 | SEAL ASSEMBLIES FOR USE WITH FLUID VALVES - Seal assemblies for use with fluid valves are described. An example valve trim assembly for use with fluid valves includes a cage and a seal assembly to be positioned in at least one of the cage, a cage retainer or a plug. The seal assembly includes a first seal and a first scraper. The first seal is to provide a load to the first scraper to prevent the ingress of contaminate to a dynamic sealing surface to be engaged by the first seal. Additionally, the seal assembly includes a second seal and a second scraper. The second seal is to provide a load to the second scraper. Further, the seal assembly includes a spacer between the first and second seals. | 01-20-2011 |
| 20110024665 | VALVE - A valve device ( | 02-03-2011 |
| 20110057139 | THREADED SEAT FITTING FOR BACK SEAT VALVES - A back seating service valve for air conditioning systems is provided wherein the valve includes an insert fitting having a valve seat. The insert fitting is attached to the valve body using a threaded connection that is then brazed to ensure that the insert fitting does not separate from the valve body during use. | 03-10-2011 |
| 20110095222 | Method for the production of valve seats, and valve - Disclosed is a valve comprising a valve seat, the surface of which is provided with several concentric grooves ( | 04-28-2011 |
| 20110168936 | Microvalve, Micropump and Manufacturing Method - A microvalve, in particular for a micropump, is described, which includes a valve member which is adjustable between an open position and a closed position, in contact with a valve seat in its closed position. The valve seat is made of a polymer material. A micropump and a manufacturing method are also described. | 07-14-2011 |
| 20110198528 | DIRECTIONAL CONTROL FLUID VALVE - A directional control fluid valve for establishing a first throughflow path, with which fluid is sucked in and supplied under pressure to a consumer, and a second throughflow path with which fluid is sucked out of the consumer. The valve has a housing which has a tank port, a pressure port for connecting to a pressure side of a pump, a suction port for connecting to a suction side of the pump, and a consumer port. The valve has at least one valve flap which is arranged within the housing and which can be moved between a first flap position for establishing the first throughflow path and a second flap position for establishing the second throughflow path. The housing has two parts on which are formed in each case at least two valve seats. The housing has a base part on which the tank port, the pressure port, the suction port and the consumer port are formed, and a cover part which has closed ducts. The closed ducts are connected to the associated valve seats. | 08-18-2011 |
| 20110204275 | METHODS AND APPARATUS TO ALIGN A SEAT RING IN A VALVE - Methods and apparatus to align a seat ring in a valve are described. An example fluid valve includes a valve body having a curved internal surface to receive a seat ring and a seat ring having a sealing surface to receive a movable control member and a curved surface opposite the sealing surface to engage the curved internal surface of the valve body. | 08-25-2011 |
| 20110215272 | EXHAUST VALVE STRUCTURE - An exhaust valve structure includes: an inner cylindrical portion that forms an introducing passage of exhaust gas and that has a stay member; a valve element that closes or opens the introducing passage; and a wire mesh that is fixed to the stay member and that contacts the valve element when the introducing passage is closed. The wire mesh is formed in a shape such that a diameter of the wire mesh gradually increases toward a downstream side of the introducing passage and a load exerted on the stay member when the valve element contacts the wire mesh is distributed in a diameter-increasing direction in which the diameter of the wire mesh increases. | 09-08-2011 |
| 20110226977 | FLUSH VALVE - A flush valve has a valve body having an inlet and an outlet, and a piston disposed in the valve body between the inlet and said outlet to regulate flow through the valve body. The piston has a shoulder. A neck depends from the shoulder and has a smaller perimeter than the shoulder. And, a flange depends from the neck and has a larger perimeter than the neck. Better flow characteristics of fluid about the shoulder, neck, and flange minimize noise coming from the valve and increase reliability thereof. | 09-22-2011 |
| 20110233446 | Microfluidic Purge Valve - A microfluidic purge valve in a microfluidics system includes a notch defined in the valve seat of a microfluidic valve. The notch is sized so that gas entrained within a liquid pumped through the microfluidics system can pass freely therethrough but the liquid cannot. The notch is sized so that the resistant force generated by the surface tension of the liquid is equal to or greater than the force generated by the fluid pressure. | 09-29-2011 |
| 20110272617 | Seat and Valve Systems for Use in Delayed Coker System - The present invention provides more efficient, cost effective coke drum valve devices and system as well as more efficient, cost effective methods for isolating the flow of matter in a delayed coker unit operation. Specifically, embodiments of the invention relate to various seat systems used in valves for delayed coking operations. | 11-10-2011 |
| 20110278490 | VALVES HAVING HIGH WEAR-RESISTANCE AND HIGH CORROSION-RESISTANCE - The invention provides a valve which suppresses a continuous corrosion of a chemical compound phase such as an eutectic carbide or the like in a valve seat, and improves a corrosion resistance, an impact resistance and an erosion resistance of the valve seat. The invention disperses a chemical compound phase such as the eutectic carbide or the like crystallizing in a dendrite gap as a granular shape or a blocky shape which is equal to or less than about 100 μm, by moving a tool rotating in a crimped state by a load application to a vertical direction to a surface of the valve seat so as to carry out a friction stir processing, and forming a weld metallographic structure of a surface layer portion of the valve seat as a cubic. | 11-17-2011 |
| 20110297868 | STEAM VALVE - It is intended to provide a steam valve, which can reduce vibrations of each part of the steam valve, can suppress pressure loss and can cut off the steam rapidly. The steam valve | 12-08-2011 |
| 20110303865 | CLADDING ALLOY POWDER, ALLOY-CLAD MEMBER, AND ENGINE VALVE - A cladding alloy powder consisting of: 0.7 to 1.0 mass % C; 30 to 40 mass % Mo; 20 to 30 mass % Ni; 10 to 15 mass % Cr; and a balance including Co and unavoidable impurities, or consisting of: 0.2 to 0.5 mass % C; 30 to 40 mass % Mo; 20 to 30 mass % Ni; and a balance including Co and unavoidable impurities. | 12-15-2011 |
| 20110309285 | DOUBLE SEAT VALVE AND SEALING OF A DOUBLE SEAT VALVE - A double seat valve having a seat for cooperation with two valve disks which are linearly adjustable relative to each other and together relative with respect to the seat, for a seat valve function and a sliding valve function, each of the valve disks containing a ring seal with an elastic sealing ring in a ring groove, both sealing rings being manufactured with the same shapes and dimensions, each sealing ring being positioned in the ring groove with a backup ring, and both sealing rings being arranged in rotational positions differing with respect to the respective sealing function relative to the direction of adjustment of the valve disks. | 12-22-2011 |
| 20120018661 | WATER-SAVING VALVE ASSEMBLY - A water-saving valve assembly has a base, a control valve device and a buffer device. The control valve device is mounted in the base. The water-saving valve assembly is mounted on an exit of a water pipe. Users can control the flowing out or stopping of water in the water pipe via the control valve device. The buffer device provides a gradual effect of switching off and can effectively reduce positive and negative pressure waves generated in the water pipe. Noises and damage to the water pipe are also prevented. | 01-26-2012 |
| 20120025123 | High Capacity Air Admittance Valve for Sanitary Waste Pipe System - The valve is designed to be connected to a sanitary waste pipe system for admitting atomospheric air into the waste pipe towards the valve function elements in response to a pressure reduction in the system in order to protect the water traps in the system and to prevent discharge of contaminated air from the system to the atmosphere. It includes an oblong bowl-shaped valve housing ( | 02-02-2012 |
| 20120037832 | MULTI-PIECE VALVE DISK - A multi-piece valve disk of a sliding and/or seat valve, a ring seal with an elastic sealing ring with an external sealing zone is placed in a ring groove of the valve disk onto a dimensionally stable backup ring, and where an elastic restoring region effectively positioned between the backup ring and the external sealing zone is arranged in the backup ring, the restoring region being embodied in one piece with the sealing ring of its material adjacent to the external sealing zone of the sealing ring. | 02-16-2012 |
| 20120043490 | PRE-OXIDATION OF ENGINE VALVES AND SEAT INSERTS FOR IMPROVED LIFE - A valve seat insert operable with a valve to selectively open and close a passage to a cylinder in an internal combustion engine. The valve seat insert includes a cobalt alloy base including at least about 40 wt % Co and at least about 5 wt % Cr. An oxide scale coating is disposed on at least a wear face of the valve seat insert adapted to engage the valve and optionally on a portion of the valve. | 02-23-2012 |
| 20120074344 | FLUID PASSAGE VALVE - A fluid passage valve is equipped with a valve body which is disposed rotatably through first and second shafts, a movable seat having a communication hole therein, and an elastic member that urges the movable seat toward a side opposite from the valve body. The first and second shafts are assembled and installed on the valve body such that an axis thereof is disposed at a position offset from a center of curvature of a spherical surface portion of the valve body. The fluid passage valve is placed in a valve-closed condition by the spherical surface portion abutting against a seating surface and closing the communication hole, and is placed in an open condition by the valve body separating away from the movable seat and thereby opening the communication hole. | 03-29-2012 |
| 20120074345 | VALVE ASSEMBLY - The present invention is directed to a pressure-responsive valve assembly which functions in the nature of a check valve to control fluid flow across the assembly. The assembly includes a valve body which defines first and second internal flow passages, and includes a valve seat through which at least one flow port extends for joining the first and second passages in fluid communication with each other. A flexible, resiliently deformable valve member is positioned in operative association with the valve seat, and can be deflected, in response to a sufficient pressure differential, to move out of sealing engagement with the valve seat, to thereby permit fluid flow through the valve assembly. | 03-29-2012 |
| 20120091385 | PROCESS VALVE HAVING A FLEXIBLE SEALING EDGE - Process valve for controlling and shutting off a fluid stream comprising a valve seat ( | 04-19-2012 |
| 20120097881 | VALVE SEAT STRUCTURE OF FLUID CONTROL VALVE - In a valve seat structure of a fluid control valve comprising a valve element, a body formed with an inlet port and an outlet port, and a valve seat member provided in the body, the fluid control valve being configured to bring the valve element into or out of contact with the valve seat member to control the flow of a fluid, the valve seat member is formed in a ring shape and includes a valve seat portion with which the valve element will come into our out of contact. Assuming that a thickness of the valve seat portion in a radial direction of the valve seat member is a first thickness t | 04-26-2012 |
| 20120132842 | Metal Seat Seal With Flexible Sealing Edge - A gate valve seat has structure formed on it to provide a sealing edge or lip which flexes when loaded. The lip forms a dual seal against portions of the gate valve body when the seat is placed under load. | 05-31-2012 |
| 20120193565 | HIGH-PRESSURE FACE SEAL - Described is a valve face seal assembly. The assembly includes a moveable member, such as a poppet, and a seal having a sealing portion carried by the moveable member. A seat opposite the sealing portion of the seal has a transaxial seat face and an axial seat face extending axially toward the moveable member at an obtuse angle from the transaxial seat face. When the seal of the moveable member is brought into contact with the seat, a seal is formed with the transaxial seat face and with the axial seat face. | 08-02-2012 |
| 20120199780 | REINFORCED UNITARY SEAT RING FOR VALVE ASSEMBLY - A unitary valve seat has a mesh ring with an extensible annular collar connected to the mesh ring, and a resilient layer made of polyurethane which is external to the mesh ring. | 08-09-2012 |
| 20120205570 | VALVE FOR INTERRUPTING A FLOW PATH IN A SUBSTANTIALLY GAS-TIGHT MANNER - The invention relates to a valve for interrupting a flow path in a gas-tight manner. The valve has a valve housing, a valve plate, and a drive by means of which the valve plate can be shifted between an open position and a closed position. According to the invention, the valve has a seal support which, in a coupling position, can be coupled to and decoupled from a first seat of the valve plate on the latter and, in a parked position, can be coupled to and uncoupled from a second seat of a parking section in said section of the valve housing. A first seal is arranged on the seal support such that the first seal contacts a valve seat in a gas-tight manner in the coupling position and in the closed position, a gas-tight connection being formed between the first seal and a closing surface that lies on the valve plate. The seal support can be detachably coupled to the first seat of the valve plate in the coupling position by means of first coupling means. The seal support can be detachably coupled to the second seat of the parking section in the parked position by means of second coupling means. | 08-16-2012 |
| 20120241663 | SEALING APPARATUS AND METHOD - A sealing apparatus and method is disclosed, particularly for sealing around an elongate member which passes through a throughbore of a valve device, the apparatus having an upper sealing element and a lower sealing element, each being adapted to change configuration from an open configuration to a sealed configuration within the valve device to seal the throughbore of the valve device around the elongate member. The upper and lower sealing elements are separate and moveable independently from one another, and are configured to be actuated between open and sealed configurations by a common actuator. This actuation reduces the stack height and the weight of the valve, and reduces the number of well seals. | 09-27-2012 |
| 20120286184 | FLAT GASKET - A flat gasket for a valve has a substantially plate-like base body, which corresponds substantially to the contour of a valve housing to be connected thereto and which is provided with at least one first through-bore for leading through a connecting element of the valve, with at least one second and with at least one third through-bore for leading through fastening means. The second through-bore has a diameter which is different from the diameter of the third through-bore. | 11-15-2012 |
| 20120292550 | VALVE SEAT AND VALVE - A valve including a valve seat having an annular body having a first annular end opposite a second end and an annular groove formed on the first annular end. At least one sealing member is within the groove, and at least a seat face insert is fitted to the sealing member for interfacing with a valve obturator and with the sealing member. | 11-22-2012 |
| 20120298904 | VACUUM VALVE - A vacuum valve, including a valve housing, which has a passage having an axis, a seat that surrounds the passage and that lies in a first plane, and a counter seat that surrounds the passage and that lies in a second plane that forms a wedge shape with the first plane, and including a closure device, which can be moved between an open position in which the passage is released and a closed position in which the passage is sealed and which has a closure plate parallel to the first plane and a counter plate parallel to the second plane, and including a valve rod, which has a longitudinal axis and which carries the closure device and which can be moved in a straight line. In order to spread apart the closure plate and the counter plate, the closure device includes a spreading unit, which lies between the closure plate and the counter plate and which can be moved in the closing direction of the valve rod relative to the closure plate and the counter plate, and a support part, which is movably guided relative to the spreading unit and which is connected to the closure plate and/or the counter plate. | 11-29-2012 |
| 20120298905 | FLUID FLOW CONTROL MEMBERS FOR USE WITH VALVES - Fluid flow control members for use with valves are described herein. An example fluid flow control member for use with a valve includes a body having a seat to control a fluid flow through the valve. The body defines a seating surface, an aperture to receive a stem of the valve and a plurality of substantially flat surfaces to enable gripping an exterior surface of the body. | 11-29-2012 |
| 20120305824 | Valve Device Having a Valve Closing Member Guided by Means of a Cardan Joint - A valve device of a device of a vehicle, actuated by a pressure medium has at least one valve closing member that can be brought by a valve member into an open or a closed position with respect to a valve seat for releasing or closing a flow cross section for the pressure medium. The valve closing member is connected to the valve member by at least one Cardan joint, such that the valve closing member can pivot spatially relative to the valve member. | 12-06-2012 |
| 20120319026 | VALVE SEAT - In a valve seat made of an iron-based, composite sintered alloy having hard particles and a solid lubricant dispersed therein to have high wear resistance and good machinability, which is usable in high-power fuel direct injection engines with improved fuel efficiency and low emission, relatively coarse solid lubricant particles in such an amount as not to drastically reduce the strength of a sintered body are dispersed to provide self-lubrication, and as fine solid lubricant particles as not hindering the bonding of matrix particles are dispersed to improve machinability. | 12-20-2012 |
| 20120319027 | VALVE SEAT APPARATUS FOR USE WITH FLUID VALVES - A valve seat apparatus for use with fluid valves is described. An example valve seat apparatus includes a seat ring having an outer surface that includes a first annular recess and a second annular recess adjacent the first annular recess to form a stepped profile. A seal assembly is disposed within the first groove and a retainer is disposed in the second annular recess to retain the seal assembly in the first annular recess of the seat ring. | 12-20-2012 |
| 20130015387 | VALVE SYSTEM WITH CIRCUMFERENTIALLY ORIENTED FLOWAANM Biwanski; Tomasz WaldemarAACI WarsawAACO PLAAGP Biwanski; Tomasz Waldemar Warsaw PLAANM Wojciechowski; Wiktor JanAACI WarsawAACO PLAAGP Wojciechowski; Wiktor Jan Warsaw PLAANM Zreda; Robert JacekAACI WarsawAACO PLAAGP Zreda; Robert Jacek Warsaw PL - A valve system is provided including a valve seat, an outlet passage and a stop valve. The valve seat has a crenulated portion. The crenulated portion has an annular recess and a plurality of teeth that are separated by a plurality of circumferential gaps. At least one of the teeth has an angled surface that borders between one of the plurality of circumferential gaps and the respective one of the plurality of teeth. The angled surface is oriented at an angle with respect to an axis that extends radially outwardly from a central axis of the valve seat. The outlet passage is located downstream of the valve seat for directing flow out of the valve assembly. The stop valve is located within the annular recess of the crenulated portion. | 01-17-2013 |
| 20130015388 | VALVE FOR INTEGRATING INTO A SANITARY APPLIANCEAANM Keller; HansAACI ZurichAACO CHAAGP Keller; Hans Zurich CH | 01-17-2013 |
| 20130032746 | GASKET STRUCTURE FOR FLOOR DRAIN VALVES - An improved gasket for floor drain valve for buildings, basements, exterior paved areas, and the like. The invention provides a gasket positioned around the outside of check valves providing sealing engagement and support for said drain valve within a conduit. The gasket provides outwardly directed vanes for some four and sealing of the valve to the interior of the conduit. In one embodiment the vanes are connected together form an inflatable chamber extending about the periphery of the gasket which cavity is accessed by an inflation needle from the upper surface of said gasket so that air or other gases under pressure may be forced into the inflatable cavity causing the wall of said cavity to engage the interior surface of the conduit thereby sealing and supporting the drain valve. Provision is made for locking the drain valves in operative position within said conduit. | 02-07-2013 |
| 20130032747 | FACE SEALING ANNULAR VALVE FOR A FLUID-WORKING MACHINE - A face sealing annular valve ( | 02-07-2013 |
| 20130048900 | HYDRAULIC SEAL ASSEMBLY FOR A THERMOPLASTIC MATERIAL DISPENSING VALVE ASSEMBLY - A seal assembly, for use within a hot melt adhesive or other thermoplastic material dispensing valve assembly, comprises a sealing cartridge comprising a first primary seal, a secondary seal, and a viscous incompressible silicone grease disposed internally within the sealing cartridge. The viscous silicone grease effectively distributes the pressure forces such that internal pressure forces within the silicone grease are substantially equal to the external pressure forces of the hot melt adhesive whereby a pressure differential across the primary seal member is effectively eliminated thereby effectively eliminating the tendency for leakage of the hot melt adhesive or other thermoplastic materials. | 02-28-2013 |
| 20130068986 | ENGINE VALVE SEAT AND MANUFACTURING METHOD THEREOF - Disclosed herein is an engine valve seat, including: iron (Fe) as a main component; about 0.6˜1.2 wt % of carbon (C); about 1.0˜3.0 wt % of nickel (Ni); about 8.0˜11.0 wt % of cobalt (Co); about 3.0˜6.0 wt % of chromium (Cr); about 4.0˜7.0 wt % of molybdenum (Mo); about 0.5˜2.5 wt % of tungsten (W); about 1.0˜3.0 wt % of manganese (Mn); about 0.2˜1.0 wt % of calcium (Ca); and other inevitable impurities. | 03-21-2013 |
| 20130068987 | VALVE TRIM APPARATUS HAVING A CAVITY TO RECEIVE CONTAMINATES FROM A SEALING SURFACE - A valve trim apparatus comprises a valve seat ( | 03-21-2013 |
| 20130075644 | VALVE SEAT BODY AND VALVE DEVICE - A valve device includes a valve body and a valve seat body. The valve seat body has a thick cylindrical shape extending in an axis line direction. The valve seat body includes a seal groove on an outer periphery thereof, the seal groove extending in a circumferential direction. The valve seat body includes a large-diameter portion and a small-diameter portion on an inner periphery thereof, the large-diameter and small-diameter portions connected to each other in the axis line direction. The valve seat body includes a valve seat portion between the large-diameter and small-diameter portions, the valve body being seated on the valve seat portion. The position of the seal groove in the axis line direction coincides with the position of the valve seat portion in the axis line direction or is located on a high-pressure side of the position of the valve seat portion in the axis line direction. | 03-28-2013 |
| 20130153808 | ANTI-CAVITATION VALVE SEAT - An anti-cavitation seat which is disposable between an inlet and an outlet of a pressure reducing valve, and including a plurality of inlets causing fluid to flow into a converging pathway to reduce pressure of the fluid. The inlets form a tortuous path for a portion of the fluid flowing into the anti-cavitation seat, so as to further reduce the pressure of the fluid. A standard stem assembly is used in conjunction with the anti-cavitation seat to alter the flow of fluid through the valve. | 06-20-2013 |
| 20130221259 | FLUID PRESSURE CONTROL DEVICE HAVING A THROTTLING ELEMENT SEAL - A fluid flow control device includes a body defining an inlet, an outlet, and a fluid flow path extending from the inlet to the outlet. A valve seat ring is coupled to the body and defines an orifice through which the fluid flow path passes. A cage is also coupled to the body and defines an interior bore, wherein the cage includes at least one passage through which the fluid flow path passes. A throttling element is sized for insertion into the cage interior bore and movable along an axis between open and closed positions. The throttling element defines a sealing surface oriented substantially parallel to the axis. A seal is positioned to engage the sealing surface when the throttling element is substantially in the closed position, thereby to restrict fluid flow through the valve seat ring orifice. | 08-29-2013 |
| 20130248751 | CONTROL VALVE SEAL ASSEMBLY ENERGIZED BY SHAPE MEMORY ALLOYS AND FLUID VALVES COMPRISING SAME - A fluid valve includes a valve body having a fluid inlet and a fluid outlet connected by a fluid passageway. A valve seat is disposed within the fluid passageway. A fluid control member is movably disposed within the fluid passageway, the fluid control member cooperating with the valve seat to control fluid flow through the fluid passageway. A seal assembly is disposed within the valve body, the seal assembly preventing fluid from leaking through the valve body when the fluid control member is in a closed position. The seal assembly is made, at least in part, from a shape-memory alloy. | 09-26-2013 |
| 20130292598 | VALVE AND METHOD OF SUPPORTING A SEAL OF A VALVE - Disclosed herein is a valve. The valve includes a first member having a first port therethrough, a second member in operable communication with the first member having a sealing surface thereon and a second port therethrough that is movable relative to the first member. The valve also has a seal sealingly engaged with the first member and slidably sealingly engagable with the second member, and a support member movably disposed relative to the first member and the second member. The support member has a support surface dimensioned similarly to the sealing surface, and is movable with the second member relative to the first member so that upon such movement the seal is continuously supported by at least one of the sealing surface and the support surface. | 11-07-2013 |
| 20130327974 | Curved Flapper Seal with Stepped Intermediate Surface - A recess is provided at the periphery of the flapper so that a corner that defines this recess engages an o-ring seal in a seat for the flapper. A reduced contact area of the flapper on the o-ring seal results in increased pressure over the actual contact area. The pressure applied over the contact area also forces a distortion in the o-ring that has a part of the o-ring not restrained due to the presence of the recess moving out of the surrounding o-ring groove so that the corner on the flapper pinches the o-ring that now is partly in and partly extending from its surrounding groove. Sealing is obtained at lower differential pressures and the o-ring is better fixated as a result of the pinch effect of the corner on the flapper. | 12-12-2013 |
| 20140001393 | DROP-IN CONTAINMENT SLEEVE | 01-02-2014 |
| 20140014869 | Valve for Controlling Fluids - The disclosure relates to a valve for controlling fluids, including a valve body defining a passage opening, a tapering valve seat formed on the valve body, a closing element configured to open up and to close off the passage opening at the tapering valve seat, and a protruding region adjoining the tapering valve seat. The protruding region extends over only part of a circumference of the tapering valve seat. | 01-16-2014 |
| 20140054489 | VALVE ELEMENT - An apparatus is presented comprising a first part comprising a sealing structure, a membrane being attached to said first part and a second part being attached to said membrane, wherein said second part comprises a valve area with a first opening and a second opening, wherein said valve area is located in the area of said sealing structure, wherein said valve area is configured to allow for a fluidic communication between said first opening and said second opening and wherein said sealing structure is configured to allow for an interruption of said fluidic communication between said first opening and said second opening. | 02-27-2014 |
| 20140070127 | Fluid End with Carbide Valve Seat and Adhesive Dampening Interface - A tungsten carbide seat for high-pressure oilfield well service pumps is disclosed. A bonding agent, in conjunction with an interference tapered fit between the valve seat and fluid end housing eliminates stresses created in prior art interference fits. Three interface embodiments are disclosed: a shallow taper combined with a shoulder, a steep taper without a shoulder, and a compound surface in which the seat has an external concave surface and the housing surface that mates with the seat has a convex surface. | 03-13-2014 |
| 20140070128 | Valve Element and Fluid Control Valve - The present invention is directed a valve element which is intended to improve a sealing property at a time of closing a fluid control valve and to improve stability while maintaining durability for a long time period, wherein the valve element constitutes one of a valve seat surface or a seating surface and the valve element includes a concave portion formed in an opposing surface facing the valve seat surface and a resin coating film which is formed in the concave portion and contacts the valve seat surface. | 03-13-2014 |
| 20140084202 | SEAL DISK WITH A PLURALITY OF HARDNESSES - A seal disk for a fluid flow control valve, such as a fluid regulator, has a body formed of elastomeric material having a first hardness at a seal face and a second hardness spaced apart from the seal face along the thickness. The elastomeric material is softer at the seal face and harder spaced away from the seal face. | 03-27-2014 |
| 20140097374 | EXCESS FLOW VALVE WITH FLEXIBLE DIAPHRAGM MEMBER - An assembly for limiting excess flow includes a seat and a disc. The seat has an inner ring, an outer ring having a top surface tapering in a downstream direction from outer ring towards the inner ring, and a plurality of legs attaching the inner ring to the outer ring. The disc attaches to the inner ring and extends radially outwardly therefrom. The disk has an axially downstream surface that flexes into contact with the outer ring if the flow exceeds a limit around the disc, and a shoulder spacing the axially downstream surface from the inner ring to space the disc axially from the outer ring. | 04-10-2014 |
| 20140124693 | Rotary Servo Pulser and Method of Using the Same - A servo pulser used to actuate a pulser valve and create pressure pulses in downhole measurement while drilling tools is described. An electric gearmotor is used to rotate a shaft which in turn operates a servo valve. A facing portion of the shaft is compressed onto the face of a servo seat having passages connected to the inside of a drill collar and the rotating action is used to open and/or obstruct a fluid path through those passages. The shaft may include wear-resistant tips to obstruct the fluid path. Part of the torque-transmitting apparatus between the gearmotor and the shaft can be hydrostatically compensated, and part sealed against the operating environment. A magnetic torque coupler may be used as part of the torque-transmitting apparatus between the gearmotor and the shaft. The servo pulser is coupled to a pulser valve, a power source and a sensor package all of which reside inside a short section of drill pipe near the bottom of well bore being drilled. | 05-08-2014 |
| 20140191151 | SOLIDS-HANDLING EQUIPMENT - A seat component ( | 07-10-2014 |
| 20140264135 | VALVE SEAT APPARATUS FOR USE WITH FLUID VALVES - A valve seat apparatus for use with fluid valves is described herein. An example valve seat apparatus includes a seat ring having a central passage therethrough and an outer wall. The outer wall comprises a threaded portion, having a first diameter, to engage a cage of a fluid valve. The outer wall also includes a sealing portion to capture a seal assembly between the sealing portion and a surface of a body of the fluid valve. The sealing portion has a second diameter greater than the first diameter. The outer wall of the example valve seat apparatus further includes a flange portion to capture the seal assembly between the cage and the flange portion. The flange portion extends toward the surface of the body and the sealing portion is to be positioned between the flange portion and the threaded portion. The flange portion has a third diameter greater than the second diameter. | 09-18-2014 |
| 20140264136 | Crankcase Explosion Relief Valve Using Porous Metal - A crankcase explosion relief valve with an external flame trap made from compressed and sintered porous metal powder. Should an explosion take place, the valve plate will lift, allowing the flame front and exhaust gasses to enter the device. The exhaust gasses exit the valve though a circular flame trap made of porous metal. The circular flame trap is of a ribbon shape as to increase the amount of permeable area on the component. Due to the narrow interconnected porosity, flames will not be able to propagate past the porous material, while the exhaust gasses are able to freely pass through. In another embodiment, the porous material component is in the form of a plurality of cups. | 09-18-2014 |
| 20140264137 | Two-Stage Seal for a Valve - A two-stage seal, such as a ring seal for use in a pressurized process fluid line, has a dynamic sealing member and a static sealing member. The dynamic sealing member is arranged to continuously sealingly engage against a seal surface that slides along the dynamic sealing member. The static sealing member is arranged to sealingly engage against the seal surface in response to an increased process fluid pressure within the process fluid line to increase static seal pressure against the seal surface. The static sealing member is also arranged to release from the seal surface to minimize friction with the seal surface when the process fluid pressure drops and/or in response to movement of the seal surface. The two-stage seal may be used in arrangements requiring both dynamic sealing and static sealing, such as in some process control valves. A process control valve having the two-stage seal is disclosed. | 09-18-2014 |
| 20140291567 | INDUSTRIAL COMPONENT COMPRISING A SILICON EUTECTIC ALLOY AND METHOD OF MAKING THE COMPONENT - An industrial component comprising a Si eutectic alloy comprises a body having a wear surface, where both the body and the wear surface comprise a eutectic alloy including silicon, one or more metallic elements M, and a eutectic aggregation of a first phase comprising the silicon and a second phase of formula MSi | 10-02-2014 |
| 20140339453 | COMPRESSOR VALVE SEAT RECONDITIONING LIMIT INDICATOR - A compressor valve may include a guard and a seat affixed thereto. The seat may have an inlet surface and an outlet surface opposite the inlet surface. A reconditioning limit indicator may be defined by or adjacent the outlet surface. The reconditioning limit indicator may be indicative of a maximum amount of material of the seat removable from the outlet surface during reconditioning of the seat. The reconditioning limit indicator may be a groove defined by the outer cylindrical surface of the seat, a portion of the outer cylindrical surface of the seat adjacent the outlet surface and having an outer diameter smaller than the outer diameter of the seat, or a predetermined shape of a predetermined depth machined on the outlet surface of the seat. | 11-20-2014 |
| 20150060718 | VALVE DIFFUSER FOR A VALVE - A valve diffuser ( | 03-05-2015 |
| 20150144826 | VALVE SEATS FOR USE IN FRACTURING PUMPS - A valve seat at least partially formed of a ceramic material for use in a fracturing pump includes a first body and a second body. The first body is configured to be inserted into a fluid passageway of the fracturing pump. The first body has an outer diameter, D1. The second body extends radially from the first body and has an outer diameter, D2, greater than the outer diameter, D1, of the first body. The second body is at least partially formed of the ceramic material. | 05-28-2015 |
| 20150292628 | HIGH PRESSURE VALVE - The high pressure valve ( | 10-15-2015 |
| 20150300505 | SEAL ARRANGEMENT FOR A CONTROL VALVE - A seal arrangement for a control valve ( | 10-22-2015 |
| 20150300514 | FLUID CONTROL DEVICES INCLUDING SELF-HEALING MATERIALS AND RELATED METHODS - Fluid control devices including self-healing materials and related methods are disclosed. An example apparatus includes a valve body, a seat ring; a plug movable relative to the seat ring to control fluid flow through the valve body and a self-healing material on one of the plug or the seat ring. The self-healing material to self-heal without an external stimulus. | 10-22-2015 |
| 20150300515 | Material Suitable for the Manufacture of Valve Shutters for the Cylinders of the Reciprocating Compressors, and Valves Thus Obtained - Material suitable for the manufacture of valve shutters for the cylinders of the reciprocating compressors comprising a thermoplastic matrix consisting of polyether ether ketone (PEEK) or polyether imide (PEI) or mixtures thereof filled with glass and/or carbon fibers, characterized by comprising, in percentages by weight at least one of the following inorganic nano-particles, or a mixture thereof: 4-30% of wollastonite, 4-30% of metal oxide, 4-30% of carbon nano-fibers, 4-30% of sepiolite, 4-30% of mixtures of silica and alumina, 4-30% of fluoro-mica for a total quantity of 4-30% of nano-particles. | 10-22-2015 |
| 20150300517 | FLUID DISPENSING AND RECIRCULATION VALVE - A fluid recirculation and dispenser valve unit of a fluid comprises a fluid recirculation and dispenser valve and a cartridge in which an axial valve seat is made which at least partially houses said valve. Said valve comprises a valve body and a valve rod which extends partially in said valve body and which is axially movable between a closed rearward position of the valve and an open forward position of the valve. The axial valve seat comprises a proximal recirculation portion, which communicates fluidically with a recirculation duct, and a distal dispenser portion in fluidic communication with a dispenser duct. | 10-22-2015 |
| 20150368766 | COBALT-FREE, GALLING AND WEAR RESISTANT AUSTENITIC STAINLESS STEEL HARD-FACING ALLOY - A strain-hardenable stainless steel alloy includes hard secondary phases dispersed in an austenitic primary phase, the alloy including 0.3-0.6% nitrogen by weight. | 12-24-2015 |
| 20160076653 | VALVE SEAT APPARATUS FOR USE WITH FLUID VALVES - A valve seat apparatus for use with fluid valves is described herein. An example valve seat apparatus includes a seat ring having a central passage therethrough and an outer wall. The outer wall comprises a threaded portion, having a first diameter, to engage a cage of a fluid valve. The outer wall also includes a sealing portion to capture a seal assembly between the sealing portion and a surface of a body of the fluid valve. The sealing portion has a second diameter greater than the first diameter. The outer wall of the example valve seat apparatus further includes a flange portion to capture the seal assembly between the cage and the flange portion. The flange portion extends toward the surface of the body and the sealing portion is to be positioned between the flange portion and the threaded portion. The flange portion has a third diameter greater than the second diameter. | 03-17-2016 |
| 20160101458 | PUNCHING DEVICE FOR IMPROVING SURFACE ROUGHNESS, PATTERN PROCESSING METHOD USING SAME, AND PATTERN THEREOF - A punching device for forming a predetermined pattern ( | 04-14-2016 |
| 20160161006 | PLUG HEAD ASSEMBLIES - In accordance with various embodiments, a plug head assembly is provided comprising a ceramic plug head having a frustroconical geometry, wherein the ceramic plug head has a proximal terminus and a distal terminus, wherein the ceramic plug head has a first coefficient of thermal expansion (CTE), a sleeve having a frustroconical geometry conforming to the ceramic plug head and a second CTE, wherein the second CTE is greater than the first CTE, a distal retainer having a frustroconical geometry conforming to the sleeve, the distal retainer having a first engagement portion for engaging the a proximal retainer, the proximal retainer having a second engagement portion for engaging the distal retainer, and a base that couples with the proximal retainer. In addition, thick banded plug heads are provided | 06-09-2016 |
| 20190145352 | FUEL SUPPLY DEVICE WITH INLET VALVE | 05-16-2019 |
