Class 29/890.131 - Including metallurgical bonding

Subclass of Class 29 - Metal working
Definition: Process wherein the valve or choke is manufactured employing
No. of patents: 36
Last issue date: 03/20/2012

Number	Title	Issue Date
8136247	Method of forming a blowout preventer body A method of manufacturing a blowout preventer body includes the steps of: providing more than one billet; forming a first billet to form a first portion of the blowout preventer body; forming a second billet to form a second portion of the blowout preventer body; an...	03/20/2012
7930825	Blowout resistant weld method for laser welds for press-fit parts A method for reducing “blow-out” of annular welds for attaching press-fit components in a fuel injector assembly is disclosed. The method employs a multi-step welding procedure whereby a first annular weld bead that corresponds to less than 360° of rotation of ...	04/26/2011
7617605	Component geometry and method for blowout resistant welds In a method for reducing “blow-out” of annular welds for attaching components in a fuel injector, a relief region is formed on radially-facing surfaces of the components. The relief region is adjacent to a press-fit region. The components are then pressed togeth...	11/17/2009
7565744	Method of manufacturing a micropump check valve The invention provides a method capable of manufacturing a micropump check valve, inexpensively and without much trouble or time, which does not cause disadvantages even if a material that dissolves an adhesive is contained in the fluid, and which allows bonding wit...	07/28/2009
7125230	Valve with operation parameter set at assembly and pump using same A valve is assembled by telescoping a first body component relative to a second body component until reaching a relative position that corresponds to a predetermined valve operation parameter, such as a valve opening pressure. The first body component is then fixed ...	10/24/2006
6988317	Valve integrally associated with microfluidic liquid transport assembly The present invention discloses a valve integrally associated with a microfluidic transport assembly that is useful for regulating the flow of a liquid sample through an analytical instrument such as, for example, a biosensor. The valve integrally associated with a ...	01/24/2006
6705590	Fuel supply apparatus The present invention provides a fuel supply apparatus which has solved the problem occurring after the welding of a connecting ring, by which a core of an electromagnetic valve and a housing are connected together, finishes of the deformation of the connecting ring...	03/16/2004
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
6595000	Method of assembling a fuel injector for the combustion chamber of a turbomachine An assembly method in which a brazing metal is initially filled into radial wells pierced in an annular injection piece having first injection orifices for discharging a primary fuel, and in a cylindrical endpiece surrounding the annular injection piece a...	07/22/2003
6588102	Method of assembling a fuel injector body An engine fuel injector body is assembled using a furnace brazing method to provide structural and hermetic internal joints at interior locations with minimum size and processing. The method of assembling an injector with such an internal hermetic and str...	07/08/2003
6488263	Valve stem and method of manufacture; improved stem packing A valve stem has a thickness of hardfaced material on its outer diameter in the area contacting the stem packing where the seal is formed which prevents corrosion, erosion and/or scratching of the valve stem, thereby preventing formation of leak paths. A ...	12/03/2002
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
6421913	Retention feature for assembling a pole pieces into a tube of a fuel injector A method is provided for assembling a pole piece into an internal fuel passage of a fuel injector. The assembly method includes the steps of: (a) providing an endoskeletal injector tube, where the injector tube provides the fuel passage for the fuel injec...	07/23/2002
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
6305418	Hydraulic valve In a hydraulic valve (10), the housing (34) is composed of plate-shaped segments (36 to 46). Sections of longitudinal channels (96, 97) are formed by recesses having cross-section with a closed edge which overlap or are flush with corresponding channel se...	10/23/2001
6250604	Valve stem and method of manufacturing, improved stem packing A valve stem has a thickness of hardfaced material on its outer diameter in the area contacting the stem packing where the seal is formed which prevents corrosion, erosion and/or scratching of the valve stem, thereby preventing formation of leak paths. A ...	06/26/2001
6247679	Valve stem and method of manufacture; improved stem packing A valve stem has a thickness of hardfaced material on its outer diameter in the area contacting the stem packing where the seal is formed which prevents corrosion, erosion and/or scratching of the valve stem, thereby preventing formation of leak paths. A ...	06/19/2001
6131880	Microvalve and method for manufacturing a microvalve The microvalve includes an electromagnetic drive and of a multilayer lower valve part, which are permanently bonded to one another and are manufactured separately from one another. The lower valve part includes at least one armature and a valve-closure el...	10/17/2000
6068018	Valve stem and method of manufacture A valve stem has a thickness of hardfaced material on its outer diameter in the area contacting the stem packing where the seal is formed which prevents corrosion, erosion and/or scratching of the valve stem, thereby preventing formation of leak paths....	05/30/2000
6058965	Low-temperature flow-control valve A flow-control valve has an outer housing assembly including an outer housing member, a tube fixed to the member and having an inner end remote from the member, and an end collar of high-alloy steel welded on the tube end. An inner housing member is forme...	05/09/2000
6029685	Cage assembly for ball check valves An improved cage assembly for ball check valves includes an insert comprising a unitary structure formed from STELLITE.RTM. having a passageway therethrough. A ball is positioned in the passageway of the insert for movement between two positions one of wh...	02/29/2000
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
5884651	Valve and associated soldering method A valve, which has heat-sensitive parts, has at least one connecting tube to which a pipe is arranged to be soldered using local heating. The connecting tube consists of a material of such low thermal conductivity that the heat-sensitive parts remain belo...	03/23/1999
5826336	Process for the production of series-produced valves used in heating, ventilating and air-conditioning systems The invention relates to a process for the production of series-produced valves which are used in heating, ventilating and air-conditioning systems and which comprise a cast-iron valve body, at least one stainless steel valve seat disposed in a flow restr...	10/27/1998
5775356	Method for assembling the control valve of a single-handle faucet Alignment between a valve stem and the water outlet of a control valve for a single-handle faucet is maintained by fitting a threaded end of the stem within a hole in an upper semispherical housing of the valve and securing the stem to the housing with a ...	07/07/1998
5727443	Method of balancing a hydraulic valve for a power steering gear Hydraulic valves subjected to a pressure medium in power steering gear include a sleeve journalled on an input shaft, with the sleeve having a torsion bar connected thereto via a driven member. A method of balancing the hydraulic valve includes the steps ...	03/17/1998
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
5285951	Gate valves and methods of connecting same A method of connecting pipes to a gate valve assembly includes the steps of turning a wedge-shaped valve member having a heat sensitive sealing disc to a fully open position so that the disc is further away from a weld seam than when the disc is in a clos...	02/15/1994
5016349	Method for manufacture or repair of a globe valve Method for the manufacture or repair of a globe valve. The valve housing (1) is assembled by welding out of two or more parts around a closing member (4) shaped as a part of the face of a globe and provided with a flow opening (3), and the shaft (5) of ro...	05/21/1991
4703545	Method for assembling a sealed type motor-operated flow control valve A sealed type motor-operated flow control valve comprises a valve body including two passages and a valve port connecting the two passages and formed with a valve seat, a valve member provided on the body so as to be movable between a closed position and ...	11/03/1987
4416409	Method for manufacturing a metal casing for gate valves used in nuclear reactors and the like 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...	11/22/1983
4286364	Method of orifice fitting mechanism for pipelines An orifice fitting mechanism for pipeline flow measurement systems includes a fabricated body structure that is so fabricated that internal and external body plate connection welds may be effectively utilized in order that the body structure will have suf...	09/01/1981
4199850	Method of making a diaphragm valve The method of producing a cage unit for mounting a metal diaphragm in a hermetically sealed diaphragm globe valve having a valve body and bonnet of forged austenitic stainless steel in which the diaphragm unit consists of 8 to 12 very thin (0.006"-0.008")...	04/29/1980

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Class 29/890.131 - Including metallurgical bonding