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7540316 |
Method for inductive heating and agitation of a material in a channel
Method for inductive heating of a material located in a channel, the material having a melting range between a solidus temperature and a liquidus temperature. The method includes providing an...
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7449663 |
Inductive heating apparatus and method
Apparatus and method for inductive heating wherein an internal inductive heating assembly is provided within a bore of a solid article. The heating assembly includes an interior coil inductively...
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6881934 |
Production of a cylindrical housing for a double screw extruder
A process for producing a barrel for a twin-screw extruder with intermeshing screws from a steel block, wherein the barrel has a wear resistant inner surface, includes producing two partially...
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6713736 |
Method and apparatus for manufacturing cylindrical member
A cylindrical member including a cylindrical substrate and at least one coating layer thereon is formed through an applying step of applying a coating liquid on the cylindrical substrate and a...
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6688650 |
Dry disconnect fluidic coupling
An apparatus and method for a dry disconnect coupling. The dry disconnect coupling includes a first coupling member for coupling to a second coupling member. A circuit provides a first signal based...
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6310334 |
Surface current heating apparatus having spaced-apart hollow heat generating members with conductor extending therethrough
A surface current heating apparatus including a plurality of hollow heat generating members each of which is made of a ferromagnetic material and has a through-hole and which are spaced apart from...
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6285014 |
Downhole induction heating tool for enhanced oil recovery
The tool comprises one or more core-coil assemblies 2 jacketed in an non-magnetic and electrically insulating, tubular outer housing, 10. The housing enables high power transfer efficiency. A...
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6093917 |
High frequency heating coil device
A high frequency heating coil device having sufficient flexibility and heating ability is provided. Coils 2 are contained in outer jacket 1. The coils 2 are made of steel, copper or brass tubing...
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5994682 |
Induction heating device with a quick disconnect terminal and method of use
An induction heating device having a pair of inductors in a sub-assembly connected by fluid conduits to a cooling apparatus and by electrical conductors to an inverter and impedance adjusting...
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5938964 |
High frequency heating method of a bolt with hole
A high frequency heating method of a bolt sets a maximum achievable temperature Tmax in an inner surface of the bolt with hole to a value which is not higher than a final heat treated temperature...
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5919388 |
Flexible high frequency bar type heater
A high frequency bar type heater can be inserted into a hole of an object to be heated even if there is an obstruction above the hole. The high frequency bar type heater has a flexible and slender...
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5902509 |
Method and apparatus for inductively heating a refractory shaped member
A method and an apparatus for inductively heating a refractory shaped member provided with an internal space, particularly for a metallurgical vessel, enable as rapid, uniform heating of the shaped...
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5786054 |
Inductive welding of thermoplastic pipe
Forming a novel double containment polymeric piping assembly by interfitting slidably interfittable polymeric inner pipe components, including a first induction responsive layer therebetween, and...
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5660097 |
Hinge ball for variable capacity wobble plate compressors and hardening coil for hinge ball
A hinge ball for a variable capacity wobble plate compressor includes a central through hole 27 for permitting a shaft 5 to loosely extend therethrough, and an outer peripheral wall 9b in a convex...
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5635094 |
Conformal skate for induction welding
A conformal skate for use in an inductive welding system for creating a fusion bond along a bond line between two thermoplastic parts includes a wheel having a circumferential casing made of fluid...
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5523546 |
Apparatus and method of inductively heating a workpiece with a slender bone
An inductive device can heat a body having a slender bore, with an inductor assembly that includes a coolant system. The assembly has a parallel pair of elongate inductors sized to fit deep inside...
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5488219 |
Induction heating coil assembly and method for hardening inner surface of cylinder by using the same
An induction heating coil for forming a hardened layer in the inner wall of an external cylindrical member to be heated is disclosed. On the inner wall of the conductive induction member, a...
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5468937 |
Impurity removing system for the delivery of high purity gases
A pipe impurity removing apparatus and process is provided, in which moisture adhered on the inner peripheral surface of a supply line can be surely removed, regardless of the pre- or...
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5397876 |
High frequency bolt heater having induction heating coil
A high frequency bolt heater is provided which can heat up the inside of a narrow hole much faster than a conventional bolt heater employing a resistance wire. The high frequency bolt heater...
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5134264 |
Device for the inductive heating of the inside of cylinder liners of reciprocating-piston engines for the purpose of hardening
A device for induction heating of the inside of cylinder liners of reciprocating-piston engines to a transformation temperature, for the purpose of hardening. An inductor head is equipper with an...
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4849594 |
Method and apparatus for shrink fitting metal liner sleeves into inductor heated engine cylinder bores
A method and apparatus for installing steel liner sleeves in the cylinder bores of an aluminum engine block comprises axially sliding the liner sleeves onto slide portions of respective mandrels,...
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4683361 |
Brazing apparatus having a dual function heating and eddy current probe coil
A brazing apparatus and process which utilizes a dual function heating and eddy current probe coil is disclosed herein. The apparatus generally includes a radiant heater assembly having a coil...
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4628167 |
Apparatus for inductively hardneing the interior surface of objects
An induction heating device is provided which can be easily and inexpensively modified to inductively heat and quench harden workpiece bores of various diameters. The device consists of a...
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4625090 |
Apparatus for inductively heat treating workpiece bore walls
A method and apparatus of quench hardening to a desired depth the full axial extent of the wall surface, or selected portions of the wall surface, of an axially extending bore in an elongated...
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4590347 |
Induced current heating probe
An induced current heating probe is of thimble form and has an outer conducting sheath (30) and a water flooded flux-generating unit formed from a stack of ferrite rings (10) coaxially disposed in...
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4574172 |
Brazing wand with fiber optic temperature sensor
The brazing wand comprises a hollow helically wound electrically conductive tubular member for conducting an electrical current and for conducting a coolant therethrough. The electrical current is...
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4538041 |
Rotating induction heating apparatus
Apparatus for inductively heating a non-rotating workpiece includes a rotatable spindle of insulating material having a split-ring secondary mounted thereon for rotation therewith and which...
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4532396 |
Flexible induction brazing wand for hollow tubes
The brazing wand comprises a hollow helically wound electrically conductive tubular member for conducting an electrical current and for conducting a coolant therethrough. The electrical current is...
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4531036 |
Apparatus and method for inductively hardening small bores
A method and apparatus for hardening a small internal passage in a workpiece wherein the workpiece is indexed into coaxial alignment between axially spaced inductor coils and an actuator...
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4449281 |
Method of producing multiple-wall, composite tubular structures
A double-wall composite pipe is produced by inserting an inner pipe in an outer pipe, filling the inner pipe with cold water under pressure to cause the inner pipe to expand plastically into tight...
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4418258 |
Method for heat treating metal
A method for relieving stress in the microstructure welds and the heat affected zone in the adjacent base metal in low alloy steel by induction heating in a second post-weld heat treatment. The...
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4375997 |
Method of inductively heat treating a thin-walled workpiece to control distortion
In a preferred embodiment a surface layer of a thin-walled, hollow, cylindrical steel body is hardened while controlling thermal distortion by first heating with an inductor and quenching in one...
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4309583 |
Heat-treating apparatus for prolonging the life of a pressure vessel, especially a reactor pressure vessel
Heat-treating apparatus for prolonging the life of a pressure vessel formed of thermally resistant material subject to time-dependent structural changes due to neutron flux includes a heating...
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3901224 |
Thermal control of body functions
A method and device for thermally controlling body functions. A thermally conductive element is situated in the interior of the body at a location where a change in temperature will regulate a body...
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3823927 |
METHOD AND APPARATUS FOR HARDENING IRREGULAR INTERNAL SURFACES
Method and apparatus are disclosed for induction hardening the inside surface of Wankel engine housings. The apparatus includes a rotatable, open top support container in which an engine housing to...
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3816938 |
METHOD AND DEVICE FOR DRYING ENAMEL SLIP ON INNER SURFACES OF PIPES
A method and device for drying enamel slip on the inner surface of pipes by induction heating wherein the vapours generated during drying of the slip are sucked out from inside the pipe.
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3666869 |
METHOD AND APPARATUS FOR SETTING UP A TEMPERATURE GRADIENT
A method and apparatus for setting up a temperature gradient across a hollow member which is a good conductor of heat such as uranium carbide testpiece of simulate the thermal conditions of fuel...
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3644696 |
MEANS FOR SMOOTHING THE INSIDE SURFACE OF PLASTIC HOSE
The interior surface of thermoplastic hose may contain small crevices, patterns and undercuts which serve to increase the frictional resistance to flow of material through the hose, and which...
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3612806 |
INDUCTOR FOR INTERNAL HEATING
An inductor for internal induction heating wherein the outer working surface only is made of a high electrically conductive material, and the remainder thereof defining a water-cooling passage is...
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3492453 |
SMALL DIAMETER INDUCTION HEATER HAVING FLUID COOLED COIL
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3376403 |
Bottom-hole electric heater
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3301990 |
Work coil for induction heating
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3171940 |
Tube welding by use of induction heating
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3119917 |
Induction heating device
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3097282 |
Casing heater
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3036186 |
H.f. station for wave tube exhaust machine
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2948797 |
Annealing furnace
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2947841 |
Antenna deicing
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2912551 |
Method and apparatus for bonding laminated structures
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2829227 |
Heating device
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