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| Number | Title | Issue Date |
| 7877877 | Method for manufacturing a solid housing A method for manufacturing a solid housing, in particular a valve housing for an electromagnetically operable valve. The method includes providing at least three flat metal plates side by side, each having different magnetic properties directly adjacent to the other... | 02/01/2011 |
| 7726026 | Powdered metal inlay Hot-isostatic-pressure (HIP) is used to bond a cemented carbide inlay (e.g., an inlay ring) on a metal substrate (e.g., a hull ring). For example, an inlay ring is made from a powdered metal inlay preform typically comprising at least one metal carbide and at least ... | 06/01/2010 |
| 7165756 | Pressure regulating valve for common-rail fuel injection system A pressure regulating valve for regulating the pressure in a common rail, having a pistonlike valve member which is axially displaceably guided in a bore and acts on a closing element that can be pressed against a valve seat, and the valve member forms an armature o... | 01/23/2007 |
| 7048513 | Gas pressure driven fluid pump having compression spring pivot mechanism and damping system A gas pressure driven fluid pump having a pump tank with a liquid inlet and a liquid outlet. A float assembly is carried within the interior of the pump tank and is movable between a low level position and a high level position. A compression spring is connected bet... | 05/23/2006 |
| 6789528 | High pressure fuel supply device having plating layer and manufacturing method thereof In a pressure accumulator vessel of a high pressure fuel supply device, a chamfered section is formed in a connection between an accumulation chamber and a corresponding fuel passage. An inner plated part, which includes a plating layer, is formed along a wall surfa... | 09/14/2004 |
| 6687997 | Method of fabricating and testing a modular fuel injector A method of fabricating a modular fuel injector permits the fabrication of the electrical group subassembly outside a clean room while a fuel group subassembly is fabricated inside a clean room. The method provides for manufacturing a sealed fuel injector... | 02/10/2004 |
| 6643929 | Method of producing ball valve A ball valve includes a valve housing 10 and a ball 20. A pair of mirror-symmetrical housing halves 12, 14 are jointed together along a single weld line to enclose the ball having a through bore and a pair of recessed portions. The through bore 22 is in c... | 11/11/2003 |
| 6601300 | Method of manufacturing fuel injector for internal combustion engine In a fuel injector, a valve unit consisting of a valve body and an injection plate is connected to a bottom end of a cylindrical housing. The valve unit is connected to the fuel injector after other components are assembled to the fuel injector. In the pr... | 08/05/2003 |
| 6446338 | Method of sluice gate valve fabrication An improved method of sluice gate valve fabrication in which a cylindrical rod of an appropriate diameter is first cut and then the cylindrical rod is forged into a blank for a disk-shaped sluice gate body and pivot stems, with the pivot stems respectivel... | 09/10/2002 |
| 6401336 | Resistance welding of spray gun valve assembly A spray gun valve assembly is disclosed together with a method for manufacturing the same, wherein a spray gun valve plug (e.g., made of materials such as a tungsten carbide alloy) is secured to an end of an elongate valve stem (e.g., made of stainless st... | 06/11/2002 |
| 6385848 | Method of setting armature/needle lift in a fuel injector A method of setting a distance between a first body and a second body in a fuel injector is disclosed. The method includes providing an intermediate body having a first end, a second end and a longitudinal axis, the first end being fixedly connected to th... | 05/14/2002 |
| 6334604 | Direct drive valve ball drive mechanism and method of manufacturing the same A direct drive servo-valve wherein rotational motion of a drive motor rotor is converted into linear motion of a spool valve. The drive motor includes a shaft which has affixed to the end thereof a ball which engages the spool valve. The ball is affixed t... | 01/01/2002 |
| 6263569 | Method of manufacturing a standardized fuel injector for accommodating multiple injector customers A method of manufacturing and testing a standardized fuel injector configuration accommodates multiple fuel injector customers. Initially, a fuel injector is molded, the fuel injector having an inlet end and an outlet end. Passage of fuel through the fuel... | 07/24/2001 |
| 6226866 | Method of making carbon-carbon composite valve for high performance internal combustion engines The present invention provides a carbon-carbon (C/C) composite valve structure useful for high temperature internal combustion engines comprising (a) a carbon-carbon (C/C) composite valve stem having a flared end and a non-flared end opposite the flared e... | 05/08/2001 |
| 6227825 | Two part reed valve and method of manufacturing Improved membrane valve for transferring fluids or gases in hermetic or semi-hermetic compressors, including a method and system for manufacturing a membrane valve and a membrane valve with applications for use in several motors, particularly in hermetic ... | 05/08/2001 |
| 6185821 | Practical forged flange-type ball valve fabrication method A method for forging a one-piece or two piece flange-type ball valve, including forging the left and right primary elements, the process including the direct forging of the water inlet seat and the ball valve seat for a one-piece flange-type ball valve, t... | 02/13/2001 |
| 6024302 | Cylinder injection type fuel injection valve A cylinder injection type fuel injection valve comprising a valve body of a cylindrical type, a valve seat having an injection nozzle for injecting fuel at the center thereof, a valve capable of abutting on and separating from the valve seat to open and c... | 02/15/2000 |
| 5711343 | Dual plate check valve A dual plate check valve comprises a substantially cylindrical valve body 10 provided with a diametrical cross-member 14 thereby defining a pair of substantially D-shaped apertures, and two substantially D-shaped plates 18, pivotally connected by a hinge ... | 01/27/1998 |
| 5461778 | Gate valve A gate valve comprising a valve body, a gate, a bonnet assembly and an actuator assembly. The gate having a closure area, a flow opening extending through the gate, and a recess circumscribing the flow opening and the closure area having a material dispos... | 10/31/1995 |
| 5390411 | Method for the manufacture of a fuel injection valve A method in which a valve part consisting of a valve seat body and a support body with injection holes is pushed into a longitudinal orifice of a housing and firmly connected to a wall of the housing with the insertion depth determining the presetting of ... | 02/21/1995 |
| 5185508 | Welder locator alignment fixture A machine that resistance welds a valve seat member (14) to a guide member (12) while they are accurately aligned by a locator pin (56). Adjusting mechanism (60) permits limited gimbaling of the locator pin so that replacement and realignment of a new loc... | 02/09/1993 |
| 5178362 | Electromagnetically actuatable valve In electromagnetically actuatable valves having a core, surrounded by a magnet coil, and an armature that acts upon a valve closing body by means of a connecting tube, the connection between the connecting tube and the hard valve closing body is embodied ... | 01/12/1993 |
| 5173339 | Poppet valve manufacture Poppet valves are manufactured by rotating a metal spray deposition nozzle relative to a rod or tube about the longitudinal axis of the rod or tube to deposit metal at a localized region intermediate the ends of the rod or tube so as to form a flange-like... | 12/22/1992 |
| 5060374 | Method for fabricating a valve A method for fabricating a valve includes hardened valve seats and a conventional valve stem which mates with the hardened valve seat. A valve seat support ring is attached to the body of the valve and to the hardened valve seat. HIP bonding is utilized t... | 10/29/1991 |
| 4971101 | Lined structure A structure having a metal body with a plurality of intersecting cavities and a consolidated corrosion resistant powdered metal lining and metallurgically engaging the walls of the intersecting cavities.... | 11/20/1990 |
| 4955522 | Process for the leakproof joining of ceramic sealing disks to metallic attachments A process for the leakproof joining of a ceramic sealing disk, which regulates the passage of a fluid, and metallic attachments which are presented to the disk, wherein a roughly finished ceramic disk is metallized at the points that are to be joined to t... | 09/11/1990 |
| 4899775 | Corrosion-resistant overlay for the edge of butterfly valves An overlay for a valve disk of a butterfly or similar valve is formed from a strip of corrosion-resistant material. The strip is preferably profiled to conform to the edge of the disk and has an overall length less than the circumference of the disk. Both... | 02/13/1990 |
| 4762143 | Faucet manifold A faucet manifold according to the invention is adapted to be mounted on a countertop over openings through which access can be had to water-conveying conduits. The manifold includes a cover in the form of a plate overlying the openings. The plate is spac... | 08/09/1988 |
| 4719681 | Method of making a fluid flow controlling slide member for a valve body A valve assembly and the manner of making the same of the character which embodies a hollow cylindrical body having fluid inlet and outlet ports and a slide member, or spool, slidable within the body to control fluid flow through the valve. Sealing elemen... | 01/19/1988 |
| 4675966 | Method for manufacturing a guide base of a valve A method for manufacturing the guide base of a valve and assembly of that valve is disclosed. The guide base is made from flat plate. Two similar workpieces are stamped out of plate. Each workpiece comprises two leg members joined by a central portion. Th... | 06/30/1987 |
| 4601087 | Method for cladding interior surfaces with externally prefabricated cladding material A method for cladding a corrosion resistant high alloy material on surfaces of crossed cavities in a vessel of a high strength metallic material forming a valve casing or the like, the method including the steps of prefabricating first and second cladding... | 07/22/1986 |
| 4531272 | Valve assembly method A method of making a replacement valve assembly, and the replacement valve assembly are provided in which an existing valve assembly is removed from the valve and used as a guide to make the replacement valve assembly. A threaded rod is cut to a length in... | 07/30/1985 |
| 4521948 | Method for fabricating a valve A segment is cut off a rotating hexagonal bar by opposed cutting tools which form a raised seat for a sealing gasket. The segment defines a hexagonal valve body into which coaxial larger-diameter and smaller-diameter holes are drilled from oppositely faci... | 06/11/1985 |
| 4505454 | Check valve For providing a minimum dimension and material consumption relative to the respective nominal width and optimal strength and flow conditions, an intermediate housing part of a check valve is composed of two semispherical shell halves connected by beam wel... | 03/19/1985 |
| 4487662 | Electrodeposition method for check valve A check valve for a drop-on-demand pressure pulse ejector for preventing pressure pulse loss to the liquid supply system. The check valve is made by electrodeposition onto the surface of a substrate.... | 12/11/1984 |
| 4344454 | Valve bonnet for high temperature service The object of the invention is to provide means to connect a valve bonnet with a valve that controls the flow of high temperature fluids such that, no leakage occurs and such that removable assembly may be accomplished without the use of large wrenches an... | 08/17/1982 |
| 4319736 | Apparatus and method for manufacturing a metal casing particularly for gate valves used in nuclear reactors and the like, having a large nominal width and a casing manufactured in accordance with the method A method and apparatus of manufacturing a metal casing, particularly for accessories, such as steel casings, and preferably gate valves which can be employed in installations requiring high safety measures and testing with testing heads, the casings havin... | 03/16/1982 |
| 4260134 | Skirted hub with full penetration butt weld to body In a valve structure wherein a cylindrical hub extends through a circular opening in the valve body into the interior, the metal around the opening is swaged outward to form a generally cylindrical weld joint portion and the hub has a skirt around it with... | 04/07/1981 |
| 4243204 | Valve housings made from steel, especially for gate valves A valve housing made from steel, especially for gate valves, has a central housing part provided in opposite walls with frustoconical openings tapering in outward direction and being aligned along a common axis and a pair of connecting sockets having inne... | 01/06/1981 |
| 4235003 | Method of manufacture of a ball valve A hollow valve body having two hubs for connection to a piping system and containing a spherical plug or ball is constituted by two shells cut from pipe sections. Each shell is shaped so as to form a flared-out portion in a spherical zone, the edge of whi... | 11/25/1980 |
