Patents in subclass Electric Heating/Brazing (E.G., Cladding, Etc.)

Parent class: Electric Heating

Number Patent title Issue Date
07405379 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...
07/29/2008
07388177 Mobile induction brazing and quenching machine

An induction brazing and quenching apparatus and related method of coupling components together.
06/17/2008
07326892 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...
02/05/2008
07293689 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...
11/13/2007
07199338 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...
04/03/2007
07126096 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...
10/24/2006
07064304 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...
06/20/2006
07049548 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...
05/23/2006
06884975 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...
04/26/2005
06884976 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,...
04/26/2005
06822204 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),...
11/23/2004
06693263 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...
02/17/2004
06689982 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...
02/10/2004
06649887 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...
11/18/2003
06639194 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...
10/28/2003
06559428 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...
05/06/2003
06476366 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...
11/05/2002
06359267 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...
03/19/2002
06333494 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...
12/25/2001
06270001 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...
08/07/2001
06180932 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...
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.degree. C. is put between the bonding cross section faces of mother material steels...
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...
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...
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...
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...
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...
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...
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....
05/11/1999
5869814 Post-weld annealing of thermoplastic welds

The present invention is a method for improving the strength and quality of thermoplastic welds by annealing the weld following its formation at a temperature of at least about 500.degree. F. (i.e., about 125.degree. F. below the melt)...
02/09/1999
5847375 Fastenerless bonder wingbox

Rib and spar webs are joined in a composite wingbox to eliminate fasteners by welding the webs along bond lines defined by overlapping sections of the webs. Heat to produce the weld is generally achieved resistively by connecting a...
12/08/1998
5831252 Methods of bonding titanium and titanium alloy members by high frequency heating

Target members of titanium or a titanium alloy with melting point M are bonded together by first forming a bonding layer with melting point J lower than M on at least one of the bonding surfaces over which the target members are to be...
11/03/1998
5821506 Superplastically formed part

Multisheet SPF parts with braze joints at selected locations are produced with improved energy efficiency and at lower cost. The parts include a core defined with intermittent welds between two or more core sheets and aerodynamically...
10/13/1998
5808281 Multilayer susceptors for achieving thermal uniformity in induction processing of organic matrix composites or metals

Sesceptor sheets are selected so that their magnetic permeability decreases to unity at approximately the desired operating temperature thereby limiting heating to this "Curie temperature" and providing substantial uniformity of...
09/15/1998
5777299 Induction generator to heat metallic pipes with a continuous process under a controlled atmosphere

An induction heating generator is described for braze-welding metallic pipes with a continuous process under a controlled atmosphere, comprising at least one heating inductor composed of two half-inductors in series whose winding...
07/07/1998
5723849 Reinforced susceptor for induction or resistance welding of thermoplastic composites

A fiber reinforcement fabric contains a metal susceptor strip paired with each warp thread and woven with the weave thread to produce a thermoplastic welding susceptor of separated and electrically isolated, longitudinal metal strips and...
03/03/1998
5705794 Combined heating cycles to improve efficiency in inductive heating operations

Our induction heating workcell permits rapid and controlled heating and cooling of a workpiece within a wide temperature range. The induction workcell allows us to combine manufacturing operations, like SPF, brazing, and annealing, into a...
01/06/1998
5700995 Superplastically formed part

Multisheet SPF parts with braze joints at selected locations are produced with improved energy efficiency and at lower cost by heating the multisheet pack to its superplastic forming range below the melting point of the braze alloy,...
12/23/1997
5688426 Hybrid metal webbed composite beam

A hybrid metal webbed composite beam includes a metal I or T web section and a composite cap formed over and adhered to the I or T web. The beam incorporates advantages of metals and composites in modern aerospace construction allowing...
11/18/1997
5599472 Resealable retort for induction processing of organic matrix composites or metals

For forming or consolidating organic matrix composites, an organic matrix composite panel is placed between sheets of a susceptor material that is susceptible to induction heating. The susceptor sheets enclose the panel and define a...
02/04/1997
5591370 System for consolidating organic matrix composites using induction heating

An apparatus for forming and consolidating organic matrix composites. An organic matrix composite panel comprising laid-up prepegs is placed between sheets of a susceptor material that is susceptible to inductive heating to form a...
01/07/1997