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7909079 |
Radio frequency welding system for flexible work pieces and apparatuses for same
A radio frequency welding system for flexible work pieces having a top-side and an underside. The welding system includes a fixed weld platform, a mobile radio frequency welder adapted to move over...
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7883609 |
Ice modification removal and prevention
An alternating electric field is applied to ice (530) to generate a resistive AC having a frequency greater than 1000 Hz in interfacial ice at interface (554). A first electrode (510) and a second...
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7795563 |
Method for the design of 3-D RF-welding electrodes
A technique for the design of 3-D RF welding electrodes by first modeling the surface of the welded part perimeter as a spline in a 3-D CAD program, and then dividing the spline up into multiple,...
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7781702 |
Cooking apparatus
A cooking apparatus is disclosed. The cooking apparatus includes a housing having a cooking chamber and a heating unit. The heating unit includes a partition plate detachably installed in the...
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7531771 |
Heat treatment apparatus of light emission type
A reflector is so provided as to entirely cover a plurality of flash lamps arranged in parallel with one another. The reflector reflects flash light emitted from the flash lamps. A plurality of...
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7470878 |
High-frequency thawing apparatus and thawing method with electrodes
Thawing is achieved by applying high-frequency power to a frozen material (R) sandwiched between opposing electrodes. A thawing section of a thawing apparatus (10) includes unit electrodes (302)...
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7368685 |
Oven and heating unit of oven
An oven and a heating unit of the oven are provided. The oven includes a cavity, a heater, a food container, and an ohmic heater. A high temperature environment is formed in the cavity. The food...
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7342209 |
Microprocessor controlled tube apparatus having reduced radio frequency emanations
A tube apparatus is provided to detect successful or failed tube operations. The tube apparatus includes jaws mounted for movement with respect to one another between (1) a first position spaced...
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7326898 |
Method and apparatus for closing or severing a tube using a controllable closure force
FIG. 1 depicts a full view of the picnic table backrest. It shows the backrest, the bars that wrap around the bench to keep the back rest stable and the latch on the back of the rest that keeps the...
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7095000 |
Radio-frequency driven dielectric heaters for non-nuclear testing in nuclear core development
Apparatus and methods are provided through which a radio-frequency dielectric heater has a cylindrical form factor, a variable thermal energy deposition through variations in geometry and...
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7087876 |
High-frequency melting of interfacial ice
An alternating electric field is applied at an ice interface to generate a resistive AC current having a frequency greater than 1000 Hz in interfacial ice. Typically, a first electrode and a second...
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7012232 |
RF welding device
An RF welder is disclosed that has circuitry that automatically affects system impedance so that, throughout the welding or embossing cycle, a generator is capable of sending energy through die and...
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6995345 |
Electrode apparatus for stray field radio frequency heating
An RF heating system for generating precision stray RF fields that can be used to heat materials. The RF heating system includes an RF power supply for generating RF signals and an electrode...
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6914226 |
Oven for heating a product with RF energy
RF energy provided by electrodes positioned between a product is used to heat a product that exhibits a variable impedance during the heating process. As the product's impedance changes during the...
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6607583 |
Method and apparatus for controlled heating of adsorbent materials
A method and apparatus for controlling the heating of adsorbent materials in a vessel including the utilization of electrodes in direct contact with the adsorbent material to induce a current in...
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6559432 |
Apparatus and methods for welding flexible material
A fixture for use with a radio-frequency welding press includes an independent electrode that is not attached to a platen of the press and which is used to register directly on flexible material...
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6423955 |
High frequency dielectric heating system
A method and apparatus for dielectric drying is disclosed wherein a load to be heated positioned on a carrier the bottom of which provides a secondary electrode is moved with the carrier a...
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6346693 |
Selective heating of agricultural products
A grain containment vessel equipped with one or more antennas and a vapor extraction system is disclosed. An electromagnetic heating pattern is established throughout the grain volume elevating the...
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6323473 |
Packed food pasteurizing device and pasteurizing method
A prepackaged food sterilizing apparatus for sterilizing a prepackaged food P has a high frequency generator 71. A high frequency is supplied from the high frequency generator 71 to the prepackaged...
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6247395 |
High-frequency thawing apparatus
An object of a high-frequency thawing apparatus is to uniformly thaw an entirety of an article with high efficiency and high-speed, particularly an article having a relatively large thickness. The...
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6246040 |
Solid state RF generator for dielectric heating of food products
A solid state radio frequency (RF) generator for dielectric heating of food products. In the preferred embodiment, a distributed oscillator comprising an array of solid state devices (e.g.,...
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6225612 |
Electrode structure for dielectric heating
A dielectric heating or drying system incorporating an electrode structure, which is provided with wings that projects toward the opposite electrode along each side of a planar central portion of...
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6080978 |
Dielectric drying kiln material handling system
A dielectric drying kiln material handling system includes a bottom electrode incorporating a conveyor system for moving material along said bottom electrode for moving material on and off of the...
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6030490 |
Apparatus for radio-frequency bonding of thermoplastic members
A bonding apparatus for bonding a thermoplastic pad having a predetermined peripheral shape to a first surface of a carpet using radio frequency energy includes a die electrode and a backing...
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6023055 |
Apparatus for heating prepackaged foods utilizing high frequency heating with electrodes in a sealed chamber
A heating apparatus for heating a prepackaged food, is provided with a heater which heats a prepackaged food, an enclosure which defines an airtight chamber operable to accommodate the prepackaged...
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5981930 |
Canister for preventing the emanation of a vaporized fuel gas
A canister is provided for preventing the emanation of a vaporized fuel gas. The canister is capable of quickly heating the activated carbon through the resistance thereof up to a required...
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5942146 |
Dielectric drying kiln electrode connector
A dielectric drying kiln having a moveable electrode permanently electrically connected with a source of power via an electrical connector formed by a plurality of discrete interconnected...
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5834746 |
Method and apparatus for heating products by means of high-frequency electromagnetic waves
The invention relates to a method for the heat treatment of meat products in a feeding element (4) by means of high-frequency electromagnetic waves, and an apparatus for the execution of the...
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5736719 |
Method and apparatus for heat sealing of packaging materials employing RF electric energy
Method and apparatus employing radio frequency electric energy for heat sealing of laminated packaging materials, particularly aseptic packaging materials, that include facing contiguous layers of...
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5712469 |
Method of curing inaccessible thermoset adhesive joints using radio frequency dielectric heating
Method of curing inaccessible thermoset adhesive joints, comprising: forming structures to be bonded at mating surfaces when assembled, the shortest distance from the mating surfaces to the...
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5695671 |
System and process for controlling dielectric ovens
A control system for controlling the heating of a product in a dielectric oven comprises at least one dielectric heating circuit including an electromagnetic energy source, such as a triode vacuum...
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5651907 |
Product tray for dielectric oven
A removable tray holds a product for heating in a dielectric oven. The tray comprises at least one wall defining an interior, wherein the at least one wall is made from a non-electrically...
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5621845 |
Apparatus for electrode heating of earth for recovery of subsurface volatiles and semi-volatiles
Improved methods and apparatus are disclosed for confining ohmic heating currents to a subsurface formation in the use of in situ ohmic heating for recovery of volatile and semi-volatile materials,...
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5536378 |
Apparatus for manufacture of oxygen from lunar ilmenite
A reactor apparatus for production of Lunar oxygen uses feed stocks comprising a particulate hydrogen-reducible enriched feed in the size range from about 20-200 microns, containing 80-90% Lunar...
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5512737 |
Oven liner for dielectric oven
A dielectric oven for heating a product with a tray includes a housing having an access, wherein the housing defines a heating cavity. The oven includes an oven liner which substantially conforms...
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5488221 |
Slot interlock connectors for RF welding electrodes
Slot interlock connectors for RF welding electrodes include an electrode having a working edge, at least two ends and an integral mounting block which has ends which overshadow the ends of the...
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5484985 |
Radiofrequency ground heating system for soil remediation
An in-situ method of extracting contaminants from a soil volume comprises applying a radiofrequency (RF) excitation signal to heat the soil with an array of electrodes. The electrodes are inserted...
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5420402 |
Methods and apparatus to confine earth currents for recovery of subsurface volatiles and semi-volatiles
Improved methods and apparatus are disclosed for confining ohmic heating currents to a subsurface formation in the use of in situ ohmic heating for recovery of volatile and semi-volatile materials,...
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5420404 |
Apparatus and continuous process for drying of dielectric materials
An apparatus and method for drying, by heating, a continuous supply of dielectric material. A terminated, quarter-wavelength transmission line is used as a "traveling wave" applicator for...
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5270016 |
Apparatus for the thermal conversion of methane
Apparatus suitable for the thermal conversion of methane to hydrocarbons of higher molecular weight, comprising an elongated reactor 1 provided with an inlet 5 for supplying a gas mixture...
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5223684 |
Method and apparatus for dielectrically heating an adhesive
The present invention provides for a method of dielectrically heating an adhesive between first and second members by first placing an adhesive bead between mating surfaces of the first and second...
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5175406 |
Resonant high-frequency or micro-wave applicator for thermal treatment of continuously moving flat material
A resonant high-frequency or micro-wave applicator for the thermal treatment of a flat material is disclosed. This applicator comprises a flat capacitor between the plates of which the material...
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5162629 |
Radio-frequency veneer dryer
A continuous radio frequency dryer that includes a dryer housing and a conveyor extending through the housing. The conveyor is made up of a series of conveyor rolls spaced from each other, and a...
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5101085 |
High dielectric constant material to shape electric fields for heating plastics
Apparatus for heating a plastic sheet uses a high dielectric constant material (HDCM) to shape an RF electric field to be either concentrated or uniform as desired depending upon the object to be...
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5093546 |
Method of connecting plastic tubes using high frequency dielectric heating
A method of connecting plastic tubes by high-frequency heating comprising preparing an electrode block having at least two electrode members each having annular bores aligned with each other, the...
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5074055 |
Apparatus for heating a dielectric web or sheet material or for decreasing its moisture content
The invention concerns equipment for drying of a web material (1) or for equalization of its moisture content by means of induction heating. The web is passed between the rolls in two or more pairs...
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5055312 |
Electric conduction cooking package
The invention relates to a package for electrical conduction cooking of a food product contained therein wherein the electrodes include a raised portion of the bottom wall and a planar top...
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5052997 |
Diathermy coil
A short but large apertured coil of the sloped-helix type allows deep heating of a part of the human body by RF waves, for example with a three-turn coil having a central part wherein parts of a...
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4980530 |
Dielectric high frequency fryer
A heating device, particularly for food products, includes a housing containing at least a pair of electrodes connected to supply dielectric high frequency heating. The product, contained within a...
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4971819 |
Method of preparing foods by utilizing electric heating
In order to prepare foods by utilizing electric heating, a container (1) having an open upper surface is prepared, with a moisture permeable film body (8) disposed inside the container in such a...
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