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| Number | Title | Issue Date |
| 8030600 | Method of manufacturing a hydrogen separation substrate The hydrogen permeable substrate includes a copper plate, a stainless steel plate, an insulating member, and hydrogen permeable metal. The hydrogen permeable substrate is formed by locating the insulating member between the stainless steel plate and a combined membe... | 10/04/2011 |
| 7741587 | Method for applying an isolation layer to a brazed end of a generator armature winding bar A method of forming a brazed joint between an armature bar and a hydraulic header clip including: assembling free ends of hollow strands and of solid strands of the armature winding bar and positioning the assembly within the hydraulic header clip; interleaving a si... | 06/22/2010 |
| 7414226 | Movable heating method and system having fixed heating source for brazing stator bars A method to heat a stator bar and clip assembly in a brazing chamber including: placing the stator bar and clip assembly in the brazing chamber, wherein the assembly is seated in a heating coil; positioning a conductive mass between a press and the stator bar and cl... | 08/19/2008 |
| 7405379 | System for applying an isolation layer to a brazed end of a generator armature winding bar A method of forming a brazed joint between an armature bar and a hydraulic header clip including: assembling an end of the armature bar, hydraulic header clip and a substantially phosphorus-free braze material; positioning the assembly of the armature bar, hydraulic... | 07/29/2008 |
| 7388177 | Mobile induction brazing and quenching machine An induction brazing and quenching apparatus and related method of coupling components together. ... | 06/17/2008 |
| 7326892 | Process of microwave brazing with powder materials A process for heating a powder material by microwave radiation so that heating of the powder material is selective and sufficient to cause complete melting of the particles. The process entails providing a mass of powder comprising a quantity of filler particles of ... | 02/05/2008 |
| 7293689 | Two tier brazing for joining copper tubes to manifolds A brazing process for joining copper and copper alloy tubes to a fitting which includes first forming a layer of a high melting temperature noble metal on one end of a copper or copper alloy tube. The plated end is then brazed to a metal ferrule to form a copper all... | 11/13/2007 |
| 7211773 | Conveyance and forming apparatus A conveyance apparatus comprises a transformer having a core, a primary coil connected to an alternate power source and a secondary coil connected to an output coil, a holding section including a conductive member for heating fluid by high frequency induction heatin... | 05/01/2007 |
| 7205516 | Bonding of materials with induction heating An apparatus and process are provided for bonding of materials by induction heating of an electrically conductive material upon which a second material is bonded. The electrically conductive material is induction heated between a first induction heating plate, and t... | 04/17/2007 |
| 7199338 | Method and system for applying an isolation layer to a brazed end of a generator armature winding bar A method of forming a brazed joint between an armature bar and a hydraulic header clip including: assembling an end of the armature bar, hydraulic header clip and a substantially phosphorous-free braze material; positioning the assembly of the armature bar, hydrauli... | 04/03/2007 |
| 7170038 | Molding compounds for use in induction heating applications and heating elements molded from these compounds The invention provides molding compounds that are particularly suitable to be molded into an article such as a heating element that will conduct heat and not burn when an electric current is passed through the article. These compounds are generally liquid thermosett... | 01/30/2007 |
| 7143806 | Fine particle generating apparatus casting apparatus and casting method A fine metal particle producing mechanism has a metal holder for housing a body of magnesium, a tube for supplying an argon gas to the body of magnesium, an argon gas flow rate controller for controlling a rate at which the argon gas is supplied to the tube, and an ... | 12/05/2006 |
| 7126096 | Resistance welding of thermoplastics in aerospace structure Rib and spar webs are joined in a composite wingbox to eliminate fasteners by welding the webs along bondlines defined by overlapping sections of the webs. Heat to produce the weld is generally achieved resistively by connecting a multistrip susceptor positioned alo... | 10/24/2006 |
| 7073247 | Method of brazing a liquid-cooled stator bar A method for metallurgically bonding a stator bar to a coupling to reduce the incidence of leak paths resulting from corrosion. The stator bar comprises strands through which a liquid coolant can flow. Adjacent ends of the strands are received in an interior cavity ... | 07/11/2006 |
| 7064304 | Method and installation for manufacturing a metallic component and component obtained by said method A heat exchanger is manufactured by assembling a bundle of pipes to a pair of header tanks by inserting the ends of the pipes into corresponding holes in the header tanks. The ends of the pipes include a brazing material. The assembled heater core is placed into an ... | 06/20/2006 |
| 7060951 | Apparatus for the clamping of a rotary tool in a tool holder To set the length of a rotary tool (1a), to be thermally shrunk in place in a tool holder (7a), by means of an inductive heating device (15a), a setting device is provided with a positioning holder (61) for the rotary... | 06/13/2006 |
| 7049548 | System and method for processing a preform vacuum vessel to produce a structural assembly A system and method for processing a preform in a vacuum vessel to produce a structural assembly are provided. The system includes a heated die set defining a cavity in which the preform can be formed, bonded, or otherwise processed. The die set is disposed in a cav... | 05/23/2006 |
| 7048175 | Friction welded structural assembly and preform and method for same Expanded structural assemblies and preforms and methods therefor are provided. Each preform can include at least two structural members in a stacked relationship, defining cells that can be inflated to expand the preform. Elongate members can be disposed between the... | 05/23/2006 |
| 6906300 | Consolidation device and method An apparatus and method for consolidating a composite workpiece are provided. The apparatus includes an electromagnetic field generator for inducing a current and thereby heating a susceptor in thermal communication with the workpiece. The workpiece is supported by ... | 06/14/2005 |
| 6884975 | Localized stress relief by induction heating A system and method inductively heats and stress relieves a weld joint area having a stress induced zone. A susceptor assembly is positioned over the stress induced zone. The susceptor assembly includes susceptor sheets manufactured to operate at different, preselec... | 04/26/2005 |
| 6884976 | Induction heating for localized joining of structural members An apparatus and a method for forming a localized joint in at least one structural member are provided. The apparatus includes a tool that corresponds to a joint portion of the structural member. An induction coil is disposed in the tool, and a power source is confi... | 04/26/2005 |
| 6822204 | Thermal seat and thermal device dispensing and vending system employing RFID-based induction heating devices An RFID-based induction heating/vending system for quickly and efficiently heating, vending, and recollecting stadium seats (10) or other objects. The system includes a plurality of objects each including an induction-heatable body (22), a charging/ven... | 11/23/2004 |
| 6693263 | Convection type brazing apparatus for metal workpieces The invention provides a convection type brazing apparatus for metal workpieces such as aluminum, copper, iron and so forth that enables uniform heating of the metal workpieces to prevent deformation of the workpieces and can shorten a heating time to ach... | 02/17/2004 |
| 6689982 | Apparatus and method for welding aluminum tubes An apparatus and method for welding members that are formed at least in part of aluminum. A welding assembly is constructed and arranged to position a welding material in electrically conductive relation between exterior surface portions of first and seco... | 02/10/2004 |
| 6649887 | Apparatus and method for protective atmosphere induction brazing of complex geometries Apparatus for controlled-atmosphere brazing of parts or components having cross-sectional dimensions of up to twenty-four inches. The apparatus maintains the components or parts at a uniform temperature during the brazing cycle. The apparatus includes a s... | 11/18/2003 |
| 6639194 | Method for manufacturing a multiple walled tube A method for manufacturing a multiple walled tube comprising a rolling of a plated metal strip through at least two complete revolutions to form a tube having at least a double wall which has a plated layer on the inside of the tube, said rolling being fo... | 10/28/2003 |
| 6559428 | Induction heating tool An induction brazing tool includes a pair of induction coil components each having a linear extension and a semi-circular coil at one end. A distal end of each component remote from the semi-circular coil includes a flange for connecting the tool to an in... | 05/06/2003 |
| 6476366 | Device for degassing and brazing preassembled vacuum interrupters using inductive heating A device for degassing and brazing preassembled vacuum interrupters in only one brazing operation includes a base plate having at least one brazing site which features an opening of the base plate for connecting a suction pump and a bell which covers the ... | 11/05/2002 |
| 6359267 | Induction heating system An induction heating system that can be used to braze metals and that overcomes many of the disadvantages of conventional brazing systems. The induction heating system improves quality and lowers production cost for many brazing requirements. The system i... | 03/19/2002 |
| 6333494 | Method of induction brazing transformer strands to base plate A method of brazing a plurality of copper strands to a buss bar includes: a) cleaning the buss bar and the copper strands; b) positioning a filler shim on the surface of the buss bar; c) placing a copper strand on the filler shim, the filler shim and the ... | 12/25/2001 |
| 6270001 | Method of manufacturing a pulley with integral bearing A method is disclosed of manufacturing a pulley with integral bearing comprising a sheet metal pulley mounted on the outer race of a bearing. The pulley is a close sliding fit on the outer race. The interstice between the pulley and the race is at least p... | 08/07/2001 |
| 6180932 | Brazing honeycomb panels with controlled net tooling pressure An induction brazing uses a multisheet, diaphagm retort having isolated pressure zones to control the net tooling pressure at a level that avoids core crush. The isolated chambers in the multisheet diaphragm allow us to apply controlled pressure to the br... | 01/30/2001 |
| 6156134 | Bonding method of dual phase stainless steel In a method of bonding ferric and austenitic dual stainless steels, an insert material made of a Ni base alloy having a melting point below 1290° C. is put between the bonding cross section faces of mother material steels comprising a dual phase stainles... | 12/05/2000 |
| 6087640 | Forming parts with complex curvature Capitalizing on the unique feature of our induction heating workcell that permits rapid and controlled heating and cooling of a workpiece within a wide temperature range permits combining several manufacturing operations into a single heating cycle to sav... | 07/11/2000 |
| 6078031 | Method and device for joining oilfield tubulars A method for joining well and other oilfield tubulars by amorphous bonding comprises the steps of positioning a body of amorphous material (16) between adjacent and surfaces of a pair of oilfield tubulars (3, 4) that are to be joined and using induction h... | 06/20/2000 |
| 6050473 | Brazing apparatus A first electromagnetic induction pump system includes a first plurality of electromagnetic induction pumps, arranged in the direction parallel to the width of workpiece. The first plurality of electromagnetic induction pumps extend vertically along a fir... | 04/18/2000 |
| 5981922 | Brazing apparatus having electromagnetic induction pumps for moving a brazing filler metal in contact with a workpiece A single reservoir contains brazing filler metal. A first electromagnetic induction pump extends vertically along a vertical plate portion at a workpiece inlet side. A second electromagnetic induction pump extends vertically along a vertical plate portion... | 11/09/1999 |
| 5977527 | Changeover fixture for induction brazing work station A fixture for an induction brazing station includes a removable front plate on which is mounted a work piece holder. The base of the induction unit mounts to a back plate lying coplanar with the front plate on the work surface. The coil of the induction u... | 11/02/1999 |
| 5914064 | Combined cycle for forming and annealing Capitalizing on the unique feature of our induction heating workcell that permits rapid and controlled heating and cooling of a workpiece within a wide temperature range allows us to combine manufacturing into a single heating cycle to save time, energy, ... | 06/22/1999 |
| 5902507 | Closed loop temperature control of induction brazing A method and apparatus for induction brazing wherein the induction coil's power is controlled by a closed loop temperature controller which is provided a temperature signal from a temperature sensor located proximate the brazed joint. Power is supplied to... | 05/11/1999 |
