32results about "Dielectric heating" patented technology

The invention relates to a warming drawer assembly (1) for cooking a cooking product (5), having a housing (2) and a drawer (3) which is movably arranged in the housing (2) by means of guide means. The housing (2) together with the drawer (3) form a cooking chamber (6). According to one aspect of the invention, a first generating means (8.1) for generating an electromagnetic alternating field that passes through the cooking chamber (6) is arranged on at least one first face of the cooking chamber (6), and the first generating means (8.1) is designed in the form of a plate or a flat coil. The invention additionally relates to a drawer (3) for such a warming drawer assembly (1).

Dielectric heating aerosol-generating device with heat sink structure for heat management of switching unit The present invention relates to an aerosol-generating device, and specifically to an aerosol-generating device configured to heat an aerosol-forming substrate by dielectric heating. The present disclosure further relates to an aerosol-generating system comprising an aerosol-generating device and to a method to manufacture an aerosol-generating device. An aerosol-generating device comprises a heating chamber which is arranged to at least partly receive an aerosol-forming substrate, wherein the heating chamber comprises a dielectric heating element, which in operation heats the aerosol-forming substrate by dipole rotation when subjected to an alternating electric field inside the heating chamber, an oscillation circuit comprising a switching unit, wherein the dielectric heating element is fed by the oscillation circuit, a shell forming an inner volume that at least partly encompasses the heating chamber, the shell configured to insulate heat within the inner volume, wherein the switching unit is arranged within the inner volume and in thermal contact with the heating chamber, so that in operation heat losses of the switching unit are for at least a substantial part dissipated into the heating chamber.

The invention provides an apparatus (1000) for heat treating a flowable food product (1), wherein the apparatus (1000) comprises a channel system (200), a radiofrequency treatment system (500), and a temperature holding system (600), wherein: the channel system (200) comprises a system channel (210); wherein the system channel (210) comprises RF heating channel parts (530), one or more cooling channel parts (540), and a temperature holding channel part (630); the radiofrequency treatment system (500) comprises an arrangement wherein at least a first RF heating channel part (531) is configured upstream of a first cooling channel part (541), and wherein the first cooling channel part (541) is configured upstream of a second RF heating channel part (532); wherein the radiofrequency treatment system (500) is configured to (a) provide radiofrequency waves to the flowable food product (1) in the RF heating channel parts (530) and (b) cool the flowable food product (1) in the one or more cooling channel parts (540), according to a temperature distribution wherein a temperature of the flowable food product (1) in a cooling channel part (540) downstream of a RF heating channel part (530) is lower than the temperature of the flowable food product (1) in the RF heating channel part (530) configured upstream of that cooling channel part (540), and wherein a temperature of the flowable food product (1) in a RF heating channel part (530) configured downstream of a set of a RF heating channel part (530) and a cooling channel part (540) is higher than of the flowable food product (1) in the RF heating channel part (530) of that set; the temperature holding system (600) is configured downstream of the radiofrequency treatment system (500) and is configured to maintain the flowable food product (1) in the temperature holding channel part (630) at a holding temperature Th6.

The invention relates to a device (100), a system, and a method for heating and / or drying a material layer, in particular an electrically conductive one, using microwaves. The device (100) comprises: - at least two waveguides (10a, 10b) which are arranged parallel to each other; - at least one microwave source for coupling microwaves into the at least two waveguides (10a, 10b); and - a filter element (20) which forms a guide channel (30) with the at least two waveguides (10a, 10b), wherein the guide channel (30) enables the material layer to be guided through the at least two waveguides (10a, 10b) and the filter element (20) in a guide plane (E), and wherein the filter element (20) has at least one waveguide decoupling filter (25) which is arranged between each pair of adjacent waveguides (10a, 10b) of the at least two waveguides (10a, 10b) and is designed to electromagnetically decouple the adjacent waveguides (10a, 10b). Furthermore, the present invention relates to a filter element (20) and a use of the device (100) according to the invention.

To provide a mobile hearth furnace that can heat a larger quantity of material to be heated. [Solution] The mobile hearth furnace 1 comprises a mobile hearth 10 on which an object to be heated 3 is placed and moves, a furnace body 20 arranged along the mobile hearth 10 and having a heating space 5 on which the object to be heated 3 placed on the mobile hearth 10 is heated, and a microwave introduction space 6 which is a space along the heating space 5 into which microwaves generated by a microwave generator 40 are introduced, and a partition member 30 that separates the heating space 5 and the microwave introduction space 6 and has microwave transparency.

There is provided an aerosol generating device (1) comprising: a consumable article (100) adapted to be inserted in the aerosol generating device by a user, the consumable article comprising a capacitor (160), the capacitor comprising an electrolyte which when heated generates an aerosol for inhalation by the user; a sensor (40) configured to detect pressure change in the aerosol generating device, and a control unit (10) configured to set a voltage for charging and / or discharging the capacitor to thereby control the heating of the electrolyte, wherein in response to the sensor detecting that the pressure change exceeds a first threshold, the control unit is configured to set the voltage at a first value, and in response to the sensor detecting that the pressure change exceeds a second threshold, the second threshold being higher than the first threshold, the control unit is configured to set the voltage at a second value.

Disclosed is an aerosol-generating device, the aerosol-generating device comprising a body; and a radiation part provided in the main body and formed to provide an insertion space in which an aerosol-generating article is accommodated. The radiation part comprises a sheet-shaped member which extends in the length direction; an antenna surrounding the insertion space, the antenna configured to emit microwaves for dielectrically heating the aerosol-generating article; and a shielding portion surrounding the antenna, the shielding portion being configured to prevent the microwaves from being emitted to the outside of the radiating portion. The radiation portion is configured such that the antenna and the shielding portion are disposed on the sheet so as to be spaced apart from each other in a length direction of the sheet, and the sheet is wound in the length direction.

To provide a heater assembly and an aerosol generation device including the heater assembly.SOLUTION: A heater assembly includes an oscillation part for generating a microwave of a designated frequency band, a resonance part for resonating the microwave to generate an electric field, and a coupler for transmitting the generated microwave to the resonance part. The resonance part includes: a case including a storage space for storing an aerosol product and a first opening into which the aerosol product is inserted; a plurality of plates disposed so as to be separated from each other along a peripheral direction of the aerosol product stored in the storage space; and a connection part for connecting the plurality of plates and the case, which includes a second opening corresponding to the first opening at a position opposed to the first opening.SELECTED DRAWING: Figure 6

An aerosol generating device according to one embodiment includes a housing, an oscillator housed within the housing and generating microwaves of a predetermined frequency, a resonator housed within the housing and generating an amplified electromagnetic field by resonating the microwaves, and a cartridge containing an aerosol-generating substance and insertable into the housing, wherein at least a portion of the electromagnetic field heats the aerosol-generating substance to generate an aerosol, and the housing is provided with a cartridge insertion port into which the cartridge is inserted, and the cartridge insertion port and the mouthpiece do not overlap.

Provided is a heating device and a refrigerator. The heating device includes a cylinder body provided with a pick-and-place opening, a door body configured to open and close the pick-and-place opening, an electromagnetic generating module configured to generate an electromagnetic wave signal, and a radiating antenna. The radiating antenna is configured to be electrically connected with the electromagnetic generating module to generate electromagnetic waves of a corresponding frequency according to the electromagnetic wave signal. The heating device further includes a signal processing and measurement and control circuit for measurement and control processing of the electromagnetic wave signal. The signal processing and measurement and control circuit is configured to be electrically connected with the electromagnetic generating module and is disposed at a rear lower part in the cylinder body.

A heater assembly includes an oscillator configured to generate microwaves in a specific frequency band, a resonator configured to generate an electric field by resonating the microwaves, and a coupler configured to transmit the generated microwaves to the resonator. The resonator includes a case including an accommodating space accommodating an aerosol generating article and a first opening into which the aerosol generating article is insertable, a plurality of plates spaced apart from each other along a circumferential direction of the aerosol generating article accommodated in the accommodating space, and a connector connecting the plurality of plates and the case and including a second opening corresponding to the first opening, at a location facing the first opening.

A radiofrequency treatment system includes a first RF heating channel part upstream of a first cooling channel part, that is upstream of a second RF heating channel part. The radiofrequency treatment system provides radiofrequency waves to the flowable food product in the RF heating channel parts and cools the flowable food product in the cooling channel part, according to a temperature distribution. A temperature of the flowable food product in a cooling channel part downstream of a RF heating channel part is lower than the temperature of the flowable food product in the RF heating channel part upstream of that cooling channel part. Also, a temperature of the flowable food product in a RF heating channel part downstream of a set of a RF heating channel part and a cooling channel part is higher than of the flowable food product in the RF heating channel part of that set.

To provide a mobile hearth furnace that can heat a larger quantity of material to be heated. [Solution] The mobile hearth furnace 1 comprises a mobile hearth 10 on which an object to be heated 3 is placed and moves, a furnace body 20 arranged along the mobile hearth 10 and having a heating space 5 on which the object to be heated 3 placed on the mobile hearth 10 is heated, and a microwave introduction space 6 which is a space along the heating space 5 into which microwaves generated by a microwave generator 40 are introduced, and a partition member 30 that separates the heating space 5 and the microwave introduction space 6 and has microwave transparency.

The present invention pertains to the fields of industry (refrigeration installations, dairy plants, paper factories and asphalt smelting plants), commerce (hotels, warehouses and swimming pools), agriculture (aviaries, pigsties and silos) and / or residences (condominiums and houses) and relates to directly and / or indirectly heating liquid masses, more specifically water, using an electrical process in the production of heat. The electrical induction resistor (1) is formed by four electrodes arranged at 120° on a circumference and a neutral central electrode. The electrodes are surrounded by a metal bushing with a reducer (6), a stainless steel tube (7) and inner layers of insulation (8A), (8B) and (8C), with connections (9) arranged at the exposed ends of the electrodes. Results demonstrate that the heating performance of the electrical induction resistor (1), mainly for water, is greater, more efficient, safer and more effective when compared with conventional systems.

This aerosol-generating device and method for controlling the aerosol-generating device set a power profile in order to perform dielectric heating using microwaves on an aerosol-generating article when a smoking session is initiated, monitor power feedback data for power provided to a source unit for generating a microwave signal while dielectric heating is performed with the power profile during the smoking session, determine, on the basis of the monitored power feedback data when the smoking session is terminated, whether calibration of the power profile is required, and update the power profile on the basis of the monitored power feedback data when it is determined that calibration of the power profile is required.

A humidity protection shield assembly for a carbon nanotube (CNT) fabric composite heater assembly. The humidity protection shield assembly includes a first portion and a second portion. The CNT assembly is disposed between the first portion and the second portion. The first portion includes at least one of one or more first di-electric layers or one or more first thermoplastic / thermoplastic composite di-electric layers; at least one of a first carbon fiber layer or a first composite carbon fiber layer; and at least one of a first metal humidity layer or a first metalized film humidity layer. The second portion includes at least one of one or more second di-electric layers or one or more second thermoplastic / thermoplastic composite di-electric layers; at least one of a second carbon fiber layer or a second composite carbon fiber layer; and at least one of a second metal humidity layer or a second metalized film humidity layer.

A liquid heater is described including a chamber for receiving a liquid, pairs of electrodes located within the chamber for applying electric current to the liquid, input terminals for connection to a power supply, a plurality of bridge arms connected in parallel to the input terminals, and a control unit for controlling switches of the bridge arms. The plurality of bridge arms includes a respective bridge arm for each pair of electrodes and a common bridge arm, and each bridge arm includes a pair of switches and a node located between the switches. A first electrode of each pair of electrodes is connected to the node of the respective bridge arm, and a second electrode is connected to the node of the common bridge arm. The switches have a plurality of different states for selectively connecting pairs of electrodes to the input terminals in one of a plurality of electrode configurations, the electrodes having a different total electrical resistance in each electrode configuration.

The present invention relates to an electrostatic chuck heater having a bipolar structure, the electrostatic chuck heater comprising: a heater body having an internal electrode and an external electrode for selectively performing any one of an RF grounding function and an electrostatic chuck function according to a semiconductor process mode; and a heater support mounted below the heater body so as to support the heater body.

To provide a power supply device and a magnetic field generation system capable of applying an appropriate alternating magnetic field.SOLUTION: A cancer treatment device includes a magnetic field generation unit that generates an alternating magnetic field, and a control unit that controls the magnetic field generation unit, in which the alternating magnetic field includes a plurality of different frequency spectra, and the control unit temporally changes an intensity of at least one of the plurality of different frequency spectra to temporally change an intensity of the alternating magnetic field to be applied to cancer cells.SELECTED DRAWING: Figure 1

The present invention relates to an electrostatic chuck heater having a bipolar structure, the electrostatic chuck heater comprising: a heater body having an internal electrode and an external electrode for selectively performing any one of an RF grounding function and an electrostatic chuck function according to a semiconductor process mode; and a heater support mounted below the heater body so as to support the heater body.

The present invention relates to a transparent dielectric heater composition and a thermochromic dielectric heater. One embodiment exhibits high performance and high flexibility by addition of PC and EC. A dielectric heater composition according to an embodiment of the present invention comprises: a polymer resin; a main plasticizer; propylene carbonate (PC); and ethylene carbonate (EC).

Disclosed is an aerosol-generating device. The aerosol-generating device of the present disclosure comprises: a body; and a radiation unit disposed on the body and providing an insertion space in which an aerosol-generating article is accommodated. The radiation unit comprises: a single sheet elongated in one direction; an antenna surrounding the insertion space and emitting microwaves for dielectrically heating the aerosol-generating article; and a shielding unit surrounding the antenna and blocking the microwaves from being emitted to the outside of the radiation unit. The radiation unit may be formed by arranging the antenna and the shielding unit on the sheet so as to be spaced apart from each other in the longitudinal direction of the sheet, and rolling the sheet in the longitudinal direction.

An aerosol-generating apparatus and a method of controlling the aerosol-generating apparatus set a power curve to perform dielectric heating with microwaves on an aerosol-generating article at the beginning of a smoking phase; monitoring power feedback data for power supplied to a source part that generates a microwave signal while performing the dielectric heating with the set power curve during the performing of the smoking phase; under the condition that the smoking phase is ended, judging whether the power curve needs to be calibrated or not based on the monitored power feedback data; and updating the power curve based on the monitored power feedback data when it is determined that the calibration of the power curve is required.

A heater assembly includes an insulative core, at least one resistive heating element wound around the insulative core along a length of the insulative core, an inner layer of dielectric medium surrounding the at least one resistive heating element and the insulative core, and insulation members arranged longitudinally along the heater assembly and surrounding the inner layer of dielectric medium. The inner insulation members defining a respective inner gap between adjacent inner insulation members. At least one coupling is disposed within at least one of the respective inner gaps between the adjacent inner insulation members, and corresponding outer insulation members are arranged longitudinally along the heater assembly and surround the inner insulation members. The corresponding outer insulation members define a respective outer gap between adjacent outer insulation members, and a portion of the at least one coupling extends within the respective outer gap between the adjacent outer insulation members.

A non-lethal animal shepherding active denial system of directed electromagnetic energy having at least one emitter to provide low-energy radiation to deter and shepherd birds and other species away from dangerous areas such as airports or wind turbines. The directed electromagnetic energy may be emitted in a conical shape to target a precise area and to define at least one denial zone and at least one shepherding zone. The shepherding zone may create a pathway to shepherd animals away from the denial zone to allow the birds to safely escape from the denial zone. Objects within a shepherding zone are subjected to dielectric heating, such that the radiation penetration is very shallow, only heating the surface of the skin or fur. By employing a large spatial swath, lower energies (<1 kW), and time-varying intensity, birds and other species can be shepherded away from regions of interest.

An aerosol generation device according to one embodiment comprises: a housing; an oscillator, which is accommodated in the housing and generates microwaves of a preset frequency; a resonator, which is accommodated in the housing and causes resonance of the microwaves so as to generate an amplified electromagnetic field; and a cartridge, which includes an aerosol generating material and can be inserted into the housing, wherein at least a portion of the electromagnetic field heats the aerosol generating material so that an aerosol is generated, the housing includes a cartridge insertion part into which the cartridge is inserted, and the cartridge insertion part and a mouthpiece cannot overlap.

An apparatus and method for electromagnetic heating of a hydrocarbon formation. The method involves providing a producer well, which defines a longitudinal axis, between at least a first and second transmission line conductor. At a reference location along the length of the longitudinal axis, the first and second transmission line conductors are laterally spaced from the producer well by a first and second reference distance, respectively. At a second location, the first and second transmission line conductors are laterally spaced from the producer well by a third and fourth distance, respectively. At least one of the third and fourth distances are greater than the first and second reference distances, respectively. Excitation of the transmission line conductors generates an electromagnetic field having a reference shape and a reference position at the reference location and at least one of a more elongated shape and a different position at the second location.

An aerosol generating system using a multi-caloric coupling giant caloric effect, and a heating medium. The heating medium comprises a first heating medium (0113, 0213), which is suitable for an alternating electromagnetic field response frequency in a range of 0.3 to 300 MHz, and a second heating medium (0313), which is suitable for an alternating electromagnetic field response frequency in a range of 0.3 to 30 GHz. A heating medium, which is obtained by means of performing mesoscale composition on components that are correspondingly used and have a high dielectric loss, a high hysteresis loss and a high conductivity loss, meets a material configuration requirement of multi-field coupling generating a multi-caloric giant caloric effect, and has a strong coupling effect and a high heating efficiency. In an aerosol generating system (01, 02, 03), the heating medium serves as heating particles, which are blended with an aerosol substrate or are doped for restituting tobacco sheets, in an aerosol generating substrate (0112, 0212, 0312); alternatively, the heating medium, as a foil-sheet-shaped film composite heating medium (0114, 0214, 0314), serves as an auxiliary enhanced heating medium in an aerosol generating stage; and the heating medium also serves as a block heating medium (0235, 0332) of a heating cavity and a particle coating heating medium (0123, 0223, 0323) of a pre-heating housing, thereby realizing a multi-source cooperative enhanced heating effect.

The aerosol generating system and heating medium using the giant caloric effect by multi-caloric coupling, the heating medium includes a first heating medium with an alternating electromagnetic field response frequency of 0.3-300MHz and a second heating medium with an alternating electromagnetic field response frequency of 0.3-30GHz. The heating medium obtained by combining components with high dielectric loss, high hysteresis loss, and high conduction loss meets the structural requirements of the material of the giant caloric effect by multi-caloric coupling in multiple external fields, has a strong coupling effect, and has high heating efficiency. The heating medium of the aerosol generating system is blended with the mist substrate in the aerosol generating substrate, or is used as heating particles doped in tobacco thin sheet papermaking, or is used as a foil sheet membrane composite heating medium as a reinforcing heating medium in the aerosol generating segment. The heating medium also functions as a heating medium for both the heating chamber and the preheating housing particle coating layer, and exerts a synergistic effect of improving heating by using multiple elements in combination.