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7568297 |
Grain drying aeration system
An improved vertical aeration system is provided for a grain bin having a sloped hopper bottom with a discharge opening. A pyramid frame includes legs with lower ends attachable to the hopper...
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7550696 |
Thawing method and apparatus for articles to be thawed
This invention relates to a method of and an apparatus for thawing an object to be thawed. The method of thawing an object to be thawed according to the present invention comprises a step of...
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7365291 |
High voltage input apparatus for magnetron
A high voltage input apparatus for a magnetron, in which first protrusions formed on lead conductors are caught by insulators and an insulating case, a ground metal is bonded to the insulating...
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7230218 |
Microwave or radio frequency device including three decoupled generators
A microwave or radio frequency device including an applicator for receiving an object to be processed, and a plurality of generators supplying power to the applicator via propagation guides....
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7208710 |
Uniform microwave heating method and apparatus
A method and apparatus for creating uniform heating of an microwave absorptive target. A circularly polarized waveguide mode is created that promotes uniform heating of the microwave absorptive...
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7122772 |
Microwave resonator and method of operating microwave resonator
In an even numbered polygonal microwave resonator wherein a high mode microwave mode is formed and in the resonator volume a homogeneous field distribution is established for the thermal processing...
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7119313 |
Apparatus and method for heating objects with microwaves
Apparatus for pasteurizing and/or sterilizing foodstuffs. In one representative embodiment, an apparatus for pasteurizing or sterilizing a packaged foodstuff includes at least one cavity in which...
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7069091 |
Intelligent microwave oven appliance
The invention may be broadly conceptualized as an approach in which a microwave oven ( 120 ) receives a plurality of program recipes from a network that are executed by scanning with a scanner (...
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7022954 |
Microwave cavity resonator for heating printing substance and/or toner
Heating a printing substance and/or toner, in an electrophotographic printer, with a standing microwave formed by at least one cavity resonator, with the printed matter being caused to move through...
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6960747 |
Microwave applicator system
A microwave applicator for heating loads being a waveguide transition between the rectangular TE 10 and TE 20 modes comprising a TE 10 mode section and a TE 20 mode section. The location of the...
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6933482 |
Microwave heating apparatus
Microwave heating apparatus comprising an elongated dielectric microwave applicator with an axial TM type mode, said dielectric applicator is provided with a load chamber for a load to be heated,...
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6888114 |
Microwave heating method
In order to reduce reflected waves and improve heating matching, a microwave heating apparatus is equipped with at least one cone-shaped, bell-shaped, pyramid-shaped or similarly shaped waveguide,...
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6884979 |
Method and apparatus for uniform heating in a microwave oven
A microwave oven and a method for heating a load which is placed therein. According to the invention a predetermined mode in the cavity of a microwave oven is fed by means of an associated feeding...
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6812436 |
Temperature control apparatus for exhaust gas sensor
A temperature control apparatus for an exhaust gas sensor can promptly heat the exhaust gas sensor with an electric heater up to an activation temperature while preventing thermal shock damage...
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6797929 |
Cylindrical reactor with an extended focal region
An elliptical exposure chamber has an extended focal region. A plurality of cylindrical reactors ( 25 ) form the extended focal region. Reducing the size of the opening ( 58 ) to each reactor ( 25...
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6720540 |
Microwave apparatus and methods of performing chemical reactions
The present invention relates to an apparatus and methods for performing chemical reactions. In particular, the present invention relates to an apparatus for heating chemical reaction mixtures. The...
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6693266 |
Microwave heating apparatus and method of heating objects
In order to reduce reflected waves and improve heating matching, a microwave heating apparatus is equipped with at least one cone-shaped, bell-shaped, pyramid-shaped or similarly shaped waveguide,...
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6680467 |
Microwave delivery system with multiple magnetrons for a cooking appliance
A microwave delivery system for a cooking appliance includes an electronic control unit and a plurality of magnetrons arranged in a spaced relationship for the introduction of various energy fields...
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6607920 |
Attenuator system for microwave-assisted chemical synthesis
An instrument for microwave-assisted chemical processes is disclosed that provides greater flexibility in carrying out microwave-assisted chemistry under varying conditions. The instrument includes...
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6463677 |
Method and device for moisture profiling
Method and device for moisture profiling of fibrous material web to be dried in machines for manufacturing and/or refining of fibrous material web. Method includes subjecting fibrous material web...
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6441355 |
Microwave heating using independently controllable internal and external antennae
A microwave heating apparatus including a cavity for heating food, a first antenna, which projects into the cavity and is arranged to pass into or through the food in order to irradiate the food...
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6294772 |
Microwave probe applicator for physical and chemical processes
A microwave heating system is disclosed for enhancing physical and chemical processes. The system includes a microwave source, an antenna having a cable, a receiver for receiving microwaves...
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6274858 |
Bends in a compact circularly polarized microwave feed
A feed that provides circularly polarized microwave energy such as for energizing a microwave oven cavity. The feed includes a transformer to match a linearly polarized rectangular waveguide to a...
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6166361 |
Actuators released by remote microwave radiation
Actuators that generate positional change and external force in response to remote microwave radiation. In a preferred embodiment the actuators remotely release an electrical connector by the...
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6105278 |
Method and apparatus for drying timber
Timber drying apparatus comprises a housing defining a microwave cavity (4) for containing a quantity of timber, a microwave generator (1) coupled to the housing for introducing microwave energy...
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6104018 |
Uniform bulk material processing using multimode microwave radiation
An apparatus for generating uniform heating in material contained in a cylindrical vessel is described. TE 10 -mode microwave radiation is coupled into a cylindrical microwave transition such that...
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6054700 |
Process and apparatus for joining thick-walled ceramic parts
A process for joining ceramic parts comprises autoclaving a powdered ceramic composition to increase its hydrogen form contents to a concentration that serves to increase the composition's...
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6008483 |
Apparatus for supplying microwave energy to a cavity
A microwave oven excitation system comprising a cylindrical microwave launcher for radiating microwave energy into a heating cavity of a microwave oven which is mounted adjacent to the heating...
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5892208 |
Apparatus and method for microwave curing of resins in engineered wood products
An apparatus, system, and method, for using circular mode magnetic microwave energy to heat the interior regions of a work piece of wood fiber and glue. The microwaves are generated and transmitted...
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5844217 |
Appratus for liquid thermosetting resin molding using radiofrequency wave heating
A method and apparatus for liquid thermoset resin or polymer molding using electromagnetic waves (particularly radiofrequency waves or microwaves), is described. The method and apparatus uses a...
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5834744 |
Tubular microwave applicator
An assembly for applying microwave irradiation to a load having a generally circular cross-section. The applicator supports a dominant TM 120 mode and the load is aligned with a central axis in...
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5825000 |
Wave guide system of a microwave oven
Disclosed is a wave guide system of a microwave oven which has a partition wall for separating a cavity in which food to be cooked is placed from a control room in which a magnetron for generating...
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5824133 |
Microwave treatment of metal bearing ores and concentrates
The present invention provides a new and useful method for bringing about a metallurgical effect in a metal-containing ore or concentrate comprising treating said ore in a resonant microwave cavity...
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5796080 |
Microwave apparatus for controlling power levels in individual multiple cells
A microwave processing system is disclosed. The system is particularly useful for concurrently controlling a plurality of chemical reactions from a single microwave source. The system comprises a...
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5750966 |
Plant for pasteurizing or sterilising solid or liquid food products using microwaves
A plant for pasteurizing or sterilising solid or liquid food products subjects the previously packaged products to heat treatment using microwaves in a pressurized chamber, in order to guarantee...
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5728310 |
Microwave waste sterilizer and method of use
There is provided a microwave waste sterilizer comprising an upper outer shell, a lower outer shell, an upper means for guiding microwave energy, a lower means for guiding microwave energy, an...
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5632921 |
Cylindrical microwave heating applicator with only two modes
A microwave applicator including a generally cylindrical microwave containment chamber, a microwave energy source, and a feed structure connecting the microwave energy source to the containment...
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5567339 |
Wave guide system of a microwave oven
A wave guide system of a microwave oven is provided, comprising a cavity containing a food to be cooked and having a pair of microwave feed openings formed in one wall thereof; a magnetron having...
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5552583 |
Microwave applicator device for continuous heat treatment of elongate products
A microwave applicator device for continuous heat treatment of elongate products comprises an applicator housing that defines a generally rectangular waveguide cavity and at least one excitation...
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5536921 |
System for applying microware energy in processing sheet like materials
A microwave processing system is provided wherein the material to be processed is in the form of a web type quantity configuration with a thickness that is small in relation to the wavelength of a...
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5521360 |
Apparatus and method for microwave processing of materials
A variable frequency microwave heating apparatus (10) designed to allow modulation of the frequency of the microwaves introduced into a furnace cavity (34) for testing or other selected...
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5254822 |
Electronic combustion furnace
An electronic combustion furnace includes a heating element comprising a heat proof vessel and a mixture of carbon powder and aluminum powder vacuum sealed within the vessel. When the heating...
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5237139 |
Microwave oven, a method for excitation of the cavity of a microwave oven, and a wave guide device for carrying out the method
This invention provides a microwave oven that is supplied with microwave energy through upper and lower feed openings in a side wall of the cavity. A wave guide is provided to feed those openings...
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5205050 |
Apparatus for drying powdered or granular materials
The invention is directed to an apparatus for drying powdered or granular materials comprises a drying tank (1) including a transversely extending drying room (7) adapted to be applied with heating...
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5180895 |
Microwave heating apparatus
A microwave heating apparatus comprises a heating chamber with a hemispherical reflecting cover (24). Microwave energy is thereby focussed onto foodstuff (34) contained in the chamber from at least...
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5049362 |
Apparatus for treatment of objects with UHF-energy
The invention relates to an apparatus for treating objects with UHF-engergy comprising an elongated treating chamber, which is provided with UHF traps at entrance and exit ends, through which a...
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5015813 |
Power feeding port arrangement for a microwave heating apparatus
A microwave heating apparatus is provided with a waveguide, a heating chamber and a plurality of power feeding ports for communicating the waveguide and the heating chamber, and is adapted to...
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4962298 |
Machine for thermally treating and sterilizing pre-packaged food articles by means of microwaves
A machine for thermally treating and sterilizing pre-packaged food articles using microwaves, which is of a type comprising a treatment tunnel having inlet and outlet ports, a conveyor laid...
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4954681 |
Drying and crystallizing apparatus for granules, which employs a microwave device
A drying and crystallizing apparatus for granules, which is provided in a heating tank formed in the shape of a rectangular parallelepiped with a plurality of spaced-apart disc-like partitions...
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4952763 |
System for heating objects with microwaves
A system is provided for heating sealed packages with microwaves, in particular under enhanced pressure. At least two microwave frequency radiators are employed for obtaining a controlled heat...
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