Abstract: A device for the extraction of a compound from a solid material, which includes a microwave unit enclosing an inner vessel that is configured to hold a solid and that is fluidly sealed within an outer vessel configured to hold a solvent to be vaporized, and a condenser that is arranged to condense the vaporized solvent and deliver the condensed solvent to the inner vessel is described. The inner vessel has a solvent outlet configured to deliver condensed solvent that contains an extracted compound back to the outer vessel. The device includes a stirrer within the outer vessel and a stirrer within the inner vessel to provide agitation during the extraction process.

Abstract: A fermenter, a microwave oven including the fermenter, and a method of controlling the fermenter and microwave oven are provided. The fermenter includes a fermenter casing having one side open and defining a fermenting chamber, a fermenter door that selectively opens or closes the fermenting chamber, a thermoelectric element that applies heat to the fermenting chamber or absorbs heat from the fermenting chamber, and a current switching device that converts current supplied to the thermoelectric element such that the thermoelectric element absorbs or generates heat. The fermenter may be very conveniently employed and a microwave oven with various functions may also be provided.

Abstract: A mechanism for constraining a product package as it is conveyed through a microwave applicator. In one preferred embodiment, the conveyor is provided by a pair of parallel guide belts arranged to travel through a microwave applicator. The guide belts have a series of slots or other guide elements formed therein. The guide elements engage edges of the product packages. In one arrangement, the pair of belts are disposed on either side of a series of packages, and thus constrain the location of the packages in three dimensions.

Abstract: Example embodiments relate to a multiple inputs and multiple outputs (MIMO) analyzer for an accurate control of electromagnetic fields inside a multimode resonant chamber with two or more cavities coupled in an accurate way through a slotted piece with slots or waveguide. The MIMO analyzer may include broadband antennas, different types of lenses, and different stirrers, which may be both metallic and non-metallic. These elements, together with some processes such as precise location of under-test elements out of the lower cavity allow for controlling the electromagnetic fields on its interior. This control permits the emulation of the behavior of wireless communication terminals under different fading scenarios, both indoors and outdoors. Some of the features and procedures of the MIMO analyser may be used in industrial microwave heating processes for drying and curing of materials, also known as microwave ovens, allowing a greater efficiency and homogenization in the processes.

Abstract: A heating unit can reduce the rate of power consumption for heating a vehicle, so that the running distance of the vehicle is increased and hence the battery charging cycle of the vehicle is prolonged. A heating unit of a vehicle heating system includes a casing made of a metal material capable of electromagnetically shielding microwaves, a support arranged in the hollow section of the casing, a plurality of microwave absorbing/heat emitting members arranged at the support and a microwave outputting unit arranged in the casing to output microwaves toward respective microwave absorbing/heat emitting members, blown air being heated by heat generated as a result of absorption of microwaves by the microwave absorbing/heat emitting members at the time for blown air to flow from the upstream side to the downstream side in the hollow sections of the microwave absorbing/heat emitting members.

Abstract: Microwave energy is used to affix an ethylene-vinyl acetate (“EVA”) item to a rubber item by placing an at least partially cured EVA item in contact with a less than cured rubber item forming a bi-component member. The bi-component member is enclosed in a cavity formed from a material having a first dielectric constant less than or equal to a second dielectric constant of the partially cured EVA item. Microwaves and pressure are applied through the cavity to the at least partially cured EVA item and the less than cured rubber item for a predetermined amount of time to cause the affixing of the portions forming the bi-component member.

Abstract: A combination microwave and refrigerator system is constructed having a single plug input supply. The microwave oven is adapted to provide power to a refrigerator, and to auxiliary receptacles adapted for low power operation. The current to the low power receptacles and the refrigerator is controlled by the controller for the microwave oven according to the duty cycles of the connected appliances to avoid overload conditions.

Abstract: A radio frequency (RF) antenna assembly configured to be positioned within a wellbore in a subterranean formation for hydrocarbon resource recovery may include an RF transmission line and an RF antenna coupled to the RF transmission line. The RF antenna assembly may also include an adjustable balun that may include a tubular balun housing surrounding the RF transmission line and defining a space therebetween. The adjustable balun may further include an adjustable shorting body slidably movable within the space and contacting the tubular balun housing and the RF transmission line at an adjustable shorting position.

Abstract: The present invention relates to a new method of extraction of solid compounds by microwaves and to the apparatus used in said method.

Abstract: A cooking oven system with a master-slave power assembly therebetween to allow for a single power connection to a 30 ampere single phase electrical outlet includes: a first oven which runs on about 15 amperes; and a second oven which runs on about 15 amperes with an electrical power system which includes a power cord that extends from the second oven to the electrical inlet of the first oven, thereby allowing the first oven to act as a power master to the second oven which acts as a slave by obtaining power from the first oven; wherein the heated gas at or near the food product disposed in the cooking chamber of either the first or second oven exhibits a flow rate of at least about 100 CFM at 100 percent velocity.

Abstract: A combination microwave and refrigerator system is constructed having a single plug input supply. The microwave oven is adapted to provide power to a refrigerator, and to auxiliary receptacles adapted for low power operation. The current to the low power receptacles and the refrigerator is controlled by the controller for the microwave oven according to the duty cycles of the connected appliances to avoid overload conditions.

Abstract: Systems for heat treating materials are presented. The systems typically involve a fluidized bed that contains granulated heat treating material. In some embodiments a fluid, such as an inert gas, is flowed through the granulated heat treating medium, which homogenizes the temperature of the heat treating medium. In some embodiments the fluid may be heated in a heating vessel and flowed into the process chamber where the fluid is then flowed through the granulated heat treating medium. In some embodiments the heat treating material may be liquid or granulated heat treating material and the heat treating material may be circulated through a heating vessel into a process chamber where the heat treating material contacts the material to be heat treated. Microwave energy may be used to provide the source of heat for heat treating systems.

Abstract: This invention relates to a microwave oven lighting assembly. The lighting assembly has a LED lamp and one or more light-guiding members to collect and to condense the light of the lamp; the lighting assembly is placed outside of the microwave oven cavity, casting the light into the cavity through holes on the cavity wall. The invention requires significantly less energy consumption and provides greatly enhanced oven cavity illumination.

Abstract: The present invention relates generally to semiconductor wafer fabrication and more particularly but not exclusively to advanced process control methodologies for controlling oxide formation using pressure. The present invention, in one or more implementations, includes a pressure stabilization system to dynamically adjust scavenger pressure in a furnace during wafer fabrication in relation to a pressure formation range, value, or one or more pressure indicators in a wafer fabrication process.

Abstract: A variable frequency microwave (VFM) device and a method for rectifying wafer warpage are provided. The variable frequency microwave (VFM) device includes a heater installed in the top wall of the chamber; and a cooler installed in proximity to the bottom wall of the chamber.

Abstract: An apparatus is provided for heating and processing a product. A mixing bowl includes a rounded base portion, an extended upper portion and two end walls. An agitator is positioned within the base of the bowl for rotation about a rotational axis and in a closely spaced relation with the bowl. The agitator includes a drive shaft having a portion thereof projecting outwardly of the mixing bowl. The agitator having a rotational path closely spaced with the inside wall of the base portion and spaced from the upper portion of the bowl. An outwardly flared transition maybe provided between the base and upper portion of the bowl. A microwave energy source is directed into the bowl for heating the product. A choke surrounds the agitator shaft to form a seal for the bowl to prevent microwave leakage.

Abstract: A microwave source is used in conjunction with a waveguide and microwave window aperture to direct controlled microwave energy into the housing of a filter. The microwave energy will heat and vaporize any fluid present on the filter material, preventing the filter from “wetting” and becoming unusable.

Abstract: An in-shell egg pasteurization installation includes a temperature raising stage having a microwave cavity or microwave cavity portion into which microwaves can be radiated and a pasteurization stage having a microwave cavity or microwave cavity portion into which microwaves can be radiated. The installation is configured so as to provide radiant or conductive heat to an in-shell egg located in the temperature raising stage and to an in-shell egg located in the pasteurization stage, and to provide relative displacement between an in-shell egg and the microwave cavities or microwave cavity portions.

Abstract: An ice and/or frost preventing system for positioning in an airflow tunnel having an air inlet includes a plurality of waveguide passages positioned in the airflow tunnel; an air filter positioned in each waveguide passage; a microwave energy source coupled to each waveguide passage; a first screen positioned in the airflow tunnel upstream of the plurality of waveguide passages; and a second screen positioned in the airflow tunnel downstream of the plurality of waveguide passages. The microwave energy sources and the first and second screens create a guided, standing wave, microwave energy that substantially prevents at least one of ice and frost from forming on the air filters. A turbine system including the ice and/or frost preventing system is also described.

Abstract: A wood treatment method and apparatus that utilizes at least two carts for transporting bundles of wood into, out of, and between at least two wood treatment vessels. In certain situations, each of the carts can move along a dedicated path and can be located exterior to the vessels during treatment. As a result, the process can have a minimal cycle time, while maximizing throughput from the facility.

Abstract: A wood treatment system that includes at least one wood treatment vessel and a bundle lift system for loading and unloading a bundle of wood from a cart used to transport the bundle into and/or out of the treatment vessel. The lift system vertically disengages the bundle of wood from the cart within the interior of the vessel, thereby allowing the cart to be removed from the vessel prior to initiating treatment. The lift system, which can be physically separate from or physically coupled to the cart, is entirely disposed within a lower portion of the interior volume of the wood treatment vessel.

Abstract: A wood treatment method and apparatus employing a bundle support structure to support a bundle of wood during transportation and treatment of the bundle. The bundle support structure rests on a movable cart during transportation of the bundle, but is detached from the movable cart during treatment of the bundle.

Abstract: A wood treatment method and apparatus that includes a cart drive system for enabling the movement of at least one wood-transporting cart into and/or out of a wood treatment vessel. The wood-transporting cart can have a length greater than the maximum internal dimension of the wood treatment vessel. The cart drive system can include at least one active drive component and at least one passive drive component. The active drive component can be physically separate from the cart and permanently fixed outside the interior of the wood treatment vessel. The passive drive component can be physically coupled to the cart and operable to move with the cart as it transports the bundle of wood into and/or out of the wood treatment vessel.

Abstract: An apparatus has a first structure, a second structure, and an activated seal. The second structure has a first position adjacent to the first structure such that the first structure is not in contact with the second structure. The activated seal is attached to at least one of the first structure and the second structure. The activated seal has a variable stiffness that may be changed in response to a stimuli such that the activated seal is capable of being deformed when at least one of the first structure and the second structure are moved relative to each other.

Abstract: A wall-mounted microwave oven includes a body comprising a lower case; and a hood mover movable with respect to the body. The hood mover includes a hood plate, a frame member to separably support the hood plate, and a moving member to move the frame member with respect to the body. The hood plate has an inlet formed at a bottom portion of the hood plate, to receive exhaust gas, and an exhaust passage defined in an interior of the hood plate.

Abstract: A system and process for cooking a consumable food product for an accelerated time period is described. The a system and process for cooking a food product comprising selectively heating primarily the interior of a food product, and searing the exterior of the food product using a radiative oven, wherein the radiative oven operates at greater than 900° Fahrenheit and reaches the operating temperature from an ambient temperature in a duration that is less than 30 seconds. A vending machine including the system and process of cooking is also described.

Abstract: An instrument for carrying out controlled microwave assisted chemical processes is particularly useful for handling relatively small samples. The instrument includes a needle, and a needle seal adjacent the needle and having a shaft coaxial with the needle and in communication with the needle. A pressure transducer is opposite the needle seal from the needle and in communication with the shaft. A housing holds the needle to the needle seal and the needle seal to the transducer. A chamber is formed between the housing and the needle seal. A lateral shaft goes through the needle seal from the coaxial shaft to the chamber in the housing, and a valve is in communication with the chamber.

Abstract: The portable microwave oven with protective frame is a microwave oven adapted for use in rugged environments, such as a construction site. The portable oven includes a microwave oven and an outer protective frame mounted to the microwave housing. A plurality of connector members are provided, with each connector being mounted on a respective corner of the microwave housing. Each connector is formed from a shock absorbing material. A plurality of support members are further provided, with each support member being mounted to, and joining, a respective adjacent pair of connectors. The support members form the protective frame about the microwave oven and provide a shock-absorbing shield for the microwave oven housing.

Abstract: A device is introduced for preparation of milk and other beverages in bar or restaurant environments. The device has the unique ability to generate a micro-foam which imparts a sweet taste to the beverage without use of sugar, that sweet taste being equivalent to adding a flat teaspoon of sugar to a traditional cup of cappuccino. The computerized device consists of sensors and a fine mesh that is pushed through the beverage by means of an actuator adapted for this purpose while imparting quantitative heat through the process.

Abstract: A device for the extraction and collection of volatiles from soil or planetary regolith. The device utilizes core drilled holes to gain access to underlying volatiles below the surface. Microwave energy beamed into the holes penetrates through the soil or regolith to heat it, and thereby produces vapor by sublimation. The device confines and transports volatiles to a cold trap for collection.

Abstract: A system for heat-treatment of large metallic samples including a microwave heating apparatus with a wave guide, means for monitoring and measuring temperature, holding means for holding the metallic sample. The holding means comprises a casket configuration made of low density alumina fiber board and wrapped with low density alumina fiber material to define a cavity and provided with susceptors along the inner walls of the cavity.

Abstract: A method for curing a resin contained in a liner of an underground pipe or passageway by use of a mobile magnetron module. The module navigates the length of the passageway of pipe via air pressure which also keeps the liner inflated. A winch attached to the module regulates the rate at which the module traverses the passageway or pipe. As the module makes its way through the passageway or pipe, the magnetron emits microwaves which cures the resin. Additionally, a thermal imaging camera can be utilized in the module or trailing the module to monitor the status of the curing of the resin in its entirety.

Abstract: The present invention concerns a method and a device for uniformly heating a sample by microwave radiation. According to the invention, at least one stirring element is immersed at least partly in a sample to be heated, said stirring element comprising a magnetic or magnetisable material. A rotating or oscillating magnetic field interacting with said stirring element is generated in a cavity adapted to receive the sample to be heated in order to impart a rotational or translational movement to said stirring element. The rotational or translational movement of said stirring element is contactlessly detected while applying microwave radiation to said sample.

Abstract: A speed cooking oven is disclosed comprising a cooking cavity, thermal heating source, air movement and directing means, air delivery means, and a vent assembly. Hot gas is circulated to and from the oven cavity via air delivery means such that turbulently mixed glancing, conflicting and colliding gas flow patterns mix at and about the surfaces of the food product. The turbulently mixed gas flows are spatially averaged over the surface area of the food product producing high heat transfer, thereby optimizing speed cooking of the food product.

Abstract: A cooking appliance includes a recirculating airflow which is directed through particularly configured air plenum and nozzle structure that synergistically combine to enhance an overall cooking efficiency and effectiveness. In particular, the configuration of the air plenum, as well as the sizing and distribution of oven cavity entry nozzles, provides for an enhanced flow of heated air to the food product, thereby resulting in short cooking times due to high heat transfer while also providing an even browning and crisping of the food item being cooked. In addition, the cooking appliance incorporates an exhaust system wherein cooling air and a percentage of the recirculating airflow are mixed prior to being exhausted from an angled exhaust mixing tube.

Abstract: Extraction apparatus and method for obtaining essential oils, essence, and pigments from odorous raw materials (e.g., plant materials and Chinese medicinal herbs) by microwave radiation heating have advantages of easy operation, higher extracting temperature and efficiency. The microwave chamber has a power level of 100 W to 1,500 W and its microwave radiation has a frequency at 915 MHz or 2,450 MHz. The extraction process can be performed without any preheating necessary. A condenser is operated at temperatures between ?20° C. and 15° C. for cooling the gas flowing out of the extraction cartridges. Because both volatile fragrant compounds and pigments of the odorous raw materials can be extracted successfully by the top-down extraction fashion, the extracted essence is colorful. Since the extraction process by microwave heating is free from adding any organic solvent and/or any artificial chemical compound, the extraction apparatus and method are environmentally friendly.

Abstract: The invention describes a process for reducing an organic-containing material into lower molecular weight gaseous hydrocarbons, liquid hydrocarbons and solid carbon constituents, by using out-of-phase microwaves which enter the applicator through at least one applicator diffuser matrix. The matrix includes essentially parallel beveled entry channels.

Abstract: A microwave filter for use with a microwave brazing system having a brazing chamber, a vacuum line, and a pressure gauge located proximate the vacuum line. The microwave filter comprises a baffle plate configured to be mounted in an opening between the brazing chamber and the pressure gauge, and a plurality of hollow pipes configured to substantially prevent the transmission of microwaves from the brazing chamber to the pressure gauge, and further configured to allow gas to flow between the brazing chamber and the vacuum line.

Abstract: The time/temperature history of a food tray or pouch heated by microwave energy applied through a waveguide can be accurately assessed on positioning and stabilizing a shielded data logger in an orientation where the base of the data logger is located generally close to zero depth (near the side wall) and the tip projects to the cold spot in the tray or pouch. A frame can be used to assure stability of orientation in a pouch while bracing can be used to assure stability in a tray. The properly configured food tray or pouch can serve as an accurate witness device for food items being processed in a similar manner under microwave heating for, e.g., sterilization or pasteurization.

Abstract: A microwave unit comprising a motherboard and a package adapted to be assembled automatically in, e.g., a Surface Mounted Device, SMD, machine is disclosed. The microwave unit preferably comprises a connecting component interconnecting the motherboard and the package, and operable to make the signal ways on a same level at both the motherboard and at the package. Furthermore, the microwave unit preferably comprises a micro-strip adapted soldering tag for soldering on two sides.

Abstract: A heat insulation material for microwave heating with excellent heating efficiency is provided. A heat insulation material for microwave heating includes a base material formed of an inorganic oxide, and fine carbon particles are dispersed in the heat insulation material. Preferably, the heat insulation material includes the carbon in an amount of 0.001 to 6 wt% . Preferably, the heat insulationmaterial has a density of 2 to 6 g/cm3.

Abstract: There is provided a microwave irradiation apparatus capable of independently controlling a temperature of a target object while irradiating microwave to the target object. The microwave irradiation apparatus 2 includes a processing chamber 4 configured to be vacuum-evacuated; a supporting table 6 configured to support the target object; a processing gas introduction unit 106 configured to introduce a processing gas into the processing chamber; a microwave introduction unit 72 configured to introduce the microwave into the processing chamber; a heating unit 16 configured to heat the target object; a gas cooling unit 104 configured to cool the target object by a cooling gas; a radiation thermometer 64 configured to measure a temperature of the target object; and a temperature control unit 70 configured to adjust the temperature of the target object by controlling the heating unit and the gas cooling unit based on the temperature measured by the radiation thermometer.

Abstract: A micromechanical device includes a micromechanical functional structure and an electromagnetic radiation heating associated with the micromechanical functional structure, which is formed to cause a spatially and temporally defined temperature or a spatially and temporally defined temperature course in the micromechanical functional structure.

Abstract: A method and apparatus is provided for the continuous microwave depolymerization of high molecular weight organic feedstock material, such as waste plastics and includes intermittent or continuous feeding of the processing material on the surface or into the bulk of the sensitized hot bed located under microwave irradiation. As a result of the interaction of electromagnetic field with processed materials, sensitizer is heated by microwave energy and feedstock material undergoes the depolymerization reactions. The reaction zone can be localized on the surface of the hot bed or distributed in the bulk of the reaction mass depending on the agitation conditions of the reaction mass, such as stirring, or other agitation means, for example by re-circulated gas. Products of the reactions are vaporized and transported to the collection system, which may include a combination of a scrubber, a condenser and a settler.

Abstract: An apparatus for heat treating manufactured components using microwave energy and microwave susceptor material is disclosed. The system typically includes an insulating vessel placed within a microwave applicator chamber. A moderating material is positioned inside the insulating vessel so that a substantial portion of the exterior surface of each component for heat treating is in contact with the moderating material.

Abstract: The disclosure relates to a plant for extracting hydrocarbons contained in an underground formation including: hydrocarbon tapping; at least one generator; at least one electromagnetic heating well in the underground formation, including an electromagnetic heating device connected to the generator; wherein the electromagnetic heating device includes a radiating coaxial line. The disclosure also relates to a method for extracting hydrocarbons from an underground formation able to be implemented using the plant.

Abstract: In an apparatus for microwave-assisted preparation of specimens with a microwave generator (1), a microwave chamber for receiving specimens (5) to be processed, and a container arrangement (11) for a number of containers (9) for liquids, the microwave chamber is realized as a waveguide (2) that includes a first opening (7a) for introduction of a specimen (5) and a second opening (8a), preferably arranged at the bottom, through which a liquid container (9) is reversibly introduced into the microwave chamber while the specimen (5) is held stationary, until the liquid container thus introduced into the microwave chamber, and the liquid contained therein, surround the specimen (5).

Abstract: A method of brazing a top loading cutter into a cutter pocket is disclosed, wherein the method includes placing at least one braze disc between an inner wall of the cutter pocket and a portion of the top loading cutter and heating the at least one braze disc to a temperature above the melting temperature of the braze disc.

Abstract: An instrument and method for high pressure microwave assisted chemistry are disclosed. The method includes the steps of applying microwave radiation to a sample in a sealed vessel while measuring the temperature and pressure generated inside the vessel and until the measured pressure reaches a designated set point, opening the vessel to release gases until the pressure inside the vessel reaches a lower set point, closing the vessel, and repeating the steps of opening the vessel at designated pressure set points and closing the vessel at designated pressure set points to the sample until the sample reaction reaches a designated high temperature. Microwave energy can be applied continuously or intermittently during the opening and closing steps. Among other items, the instrument includes pressure and temperature sensors and means for opening and closing the vessel at the set points.

Abstract: Technologies are described herein for providing sensory feedback to users of microwave oven or other thermal process stream device indicating operation in an interpretive language architecture mode. An indication is received through a device data entry mechanism that the interpretive language architecture mode of the device is to be initiated. Sensory feedback is provided indicating that the device is operating in the interpretive language architecture mode and that input data comprising a predetermined code for interpretation by the interpretive language architecture is expected. The sensory feedback may comprise flashing or illumination of specific keys on a keypad of the device data entry mechanism and may continue through entry of the input data comprising the predetermined code until completion of the resulting thermal process in the device.