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8758696 Device for electromagnetic radiation treatment of a reactive medium  
The device for electromagnetic radiation treatment of a reactive medium includes an electromagnetic radiation generator, a reactor containing the reactive medium, and a device for transmitting the...
8729440 Applicator and method for RF heating of material  
A radio frequency heater is disclosed including a vessel for containing material to be heated and a radio frequency radiating surface. The vessel has a wall defining a reservoir. The radio...
8440949 In-line microwave warming apparatus  
Microwave warming apparatus includes a housing defining a heating waveguide with a longitudinal ridge and a heating cavity. A slot extends through the ridge into the heating cavity for receiving a...
8324541 High-frequency heating device  
To attain a more reliable prevention of an electric shock by checking whether the earth states for two circuit boards are good. There is detected a voltage generated at an anode current sensing...
8242421 Dual heating system using microwave energy  
The present invention relates to an apparatus and a method thereof for a dual heating system using microwave energy. The heating system comprises both heating a fluid heating media, and heating...
8038936 Cooking device with deodorization  
A cooking device includes a cooking chamber; a first deodorization region along which air from the cooking chamber flows and in which a plasma discharge is generated for removing odor-producing...
8022342 Microwave source system  
A microwave source system 1 extracts power in a predetermined microwave frequency band out of thermal noise power generated by a resistor (3) by using filter means (4), amplifies the power through...
7989741 In-line microwave warming apparatus  
Microwave warming apparatus includes a housing defining a heating waveguide with a heating cavity. An integral internal electrically conductive ridge projects from one of the longitudinal waveguide...
7842907 Microwave generator  
A microwave generator (10) having a hollow central electrode (12) with a front face including hollow emmission element (18), and having an outer electrode (14), which coaxially surrounds the...
7687749 Magnetron for microwave oven  
It is an object to provide a magnetron for a small-sized microwave oven which takes safety standards and a noise into consideration, in a magnetron 10 for a microwave oven, a pair of choke coils 16...
7432484 Current control for high-frequency heating apparatus  
The invention relates to a high frequency heating apparatus and provides a tracking method of a frequency modulation in order to prevent an extension of the harmonic current component of an...
7405382 System for microwave enhanced chemistry  
According to the present invention, a microwave generator includes a variable voltage provided from a first transformer to a second transformer having a secondary winding split into a filament...
7339146 Low cost microwave over components manufactured from conductively doped resin-based materials  
Microwave oven components are formed of a conductively doped resin-based material. The conductively doped resin-based material comprises micron conductive powder(s), conductive fiber(s), or a...
7235929 Magnetron  
A magnetron 10 is equipped with a helical filament 39, as an element of a cathode assembly, arranged on a central axis of an anode cylindrical body 13. Assuming that a resistance value of the...
7220949 Capacitor of magnetron  
Disclosed herein is a capacitor for a magnetron. The capacitor has dielectric members, which have a converging angle of less than 180° defined between lines extending from both sides of each ...
7122773 Magnetron for microwave ovens and method of forming same  
A magnetron for microwave ovens includes an anode cylinder, a plurality of plate-shaped vanes radially arranged along an inside surface of the anode cylinder, one or more strap rings to...
7067779 Magnetron arrangement  
A magnetron arrangement has a coaxial output terminating in a probe which launches energy from the magnetron along a rectangular waveguide. The coaxial output is arranged in an endfire...
7067782 Magnetron  
A magnetron that includes a choke coil which is connected at one end to a cathode terminal and at the other end to a capacitor to form an LC circuit. The choke coil is made up of a first core type...
7064305 Apparatus and method for controlling output of magnetron of microwave oven  
An apparatus and method for controlling an output of a magnetron of a microwave oven is provided. The method includes setting an initial input current to generate an output higher than rated...
7053556 Magnetron with a specific dimension reducing unnecessary radiation  
In a magnetron 41, when a radius of a flat portion 45b of a pole piece 45 is Rp, a radius of the inner circumference of a large-diameter equalizing ring 51 is Rs2, Rp≧Rs2, a radius of the outer c...
6985042 Magnetron  
The object to the present invention is to provide a magnetron which can reduce spurious oscillation such as the π−1 mode which presents a problem particularly in magnetrons and can reduce sp...
6921890 Low-noise, crossed-field devices such as a microwave magnetron having an azimuthally-varying axial magnetic field and microwave oven utilizing same  
Cost-effective, simple, low-noise, crossed-field devices such as a microwave magnetron, a microwave oven utilizing same, and crossed-field amplifier utilize an azimuthally varying, axial magnetic...
6906301 Mounting structures for a high-frequency heating apparatus  
A high-frequency heating apparatus includes a magnetron (1), a magnetron holding plate (2), a waveguide (3), a heating chamber (4), and screws (5), and the magnetron (1) is attached to the...
6888117 Combination hood and microwave oven  
A combination hood and microwave oven, in which the construction of a drive circuit relating to an exhaust device is simplified, reducing its manufacturing cost, and in which the number of user's...
6867405 Magnetron for microwave ovens  
A magnetron includes a positive polar cylinder, a plurality of vanes, a filament, upper and lower shields, and upper and lower pole pieces. The vanes are disposed in the positive polar cylinder to...
6858824 Microwave heating system to provide radiation heat and domestic hot water  
A microwave heating system is provided which uses a heat conductive medium. The heat conductive medium is heated in a heater. The heater includes a shell which forms an enclosure. The enclosure has...
6787744 Microwave device for de-icing, or keeping hollow bodies free from ice and method for the operation of the device  
A microwave device for de-icing and keeping areas of hollow body structures free from ice keeps atmospherically exposed leading edges and adjacent areas free of ice by means of a coolant circuit....
6717122 Wall-mounted microwave oven and structure for removing magnetron  
A wall-mounted microwave oven includes a body partitioned into a cooking cavity and a machine room, a magnetron detachably installed in the machine room, and a control panel detachably mounted on...
6649892 Microwave oven system  
In a microwave oven system comprising at least one magnetron of a given operating frequency and a mains unit for the at least one magnetron, the at least one magnetron of a given operating...
6642490 Compact millimeterwave system for De-icing and for preventing the formation of ice on the outer surfaces of shell structures exposed to meterological influences  
In a millimeter wave de-icing system for the front areas of exposed shell structures, at least one independently operable millimeter wave generator is disposed in each shell structure closely...
6610969 Compact microwave system for de-icing and for preventing icing of the outer surfaces of hollow or shell structures which are exposed to meterological influences  
In a microwave de-icing system for the front areas of exposed shell structures, at least one independently operable microwave generator is disposed in each shell structure closely adjacent the...
6172322 Annealing an amorphous film using microwave energy  
A system and method for annealing a film on a substrate in a processing chamber, including a microwave generator disposed to provide microwaves to an area within the interior of the chamber. The...
6169277 Apparatus for the selective heating of foods disposed on a tray using a gyrotron for microwave heating of the foods  
In an apparatus for the selective heating of foods disposed on a serving tray to serving temperature by means of a microwave oven having a gyrotron as a heat source, individual guide means are...
6114678 Microwave oven abnormal state detecting device and method of detecting abnormal state of microwave oven  
A device of detecting an abnormal state of a microwave oven having relays, a high voltage transformer, and a magnetron, including a voltage sensing part connected between the high voltage...
5998773 Liquid heating in interaction region of microwave generator  
A microwave heater (22) which uses electromagnetic radiation for heating liquid flowing from a liquid source to a liquid receiver. The microwave heater (22) includes a microwave generator having an...
5961871 Variable frequency microwave heating apparatus  
A variable frequency microwave heating apparatus (10) designed to allow modulation of the frequency of the microwaves introduced into a multi-mode microwave cavity (34) for testing or other...
5914067 Microwave oven equipped with a structurally simple microwave generating apparatus  
A microwave oven includes a microwave generating apparatus having a cathode, a first grid for controlling the flow of electrons from the cathode, the first grid having holes for converting...
5883369 Structurally simple apparatus for generating a microwave frequency energy  
An apparatus for generating a microwave frequency energy includes a cathode for emitting electrons, a first grid for controlling and focusing the flow of electrons from the cathode, a choke...
5883368 Microwave frequency energy generating apparatus provided with a voltage converting means  
An apparatus for generating a microwave frequency energy includes a cathode for emitting electrons, a first grid for controlling and focusing the flow of electrons from the cathode, a choke...
5883367 Microwave oven equipped with a structurally simple apparatus for generating a microwave frequency energy  
A microwave oven includes a cooking chamber, a waveguide, and an apparatus for generating a microwave frequency energy. The apparatus includes a cathode for emitting electrons, a first grid for...
5850074 Microwave oven equipped with a microwave generating apparatus designed to reduce secondary electron emission  
A microwave oven includes a microwave generating apparatus having a cathode, a first grid for controlling the flow of electrons from the cathode. The first grid has holes for converting electrons...
5841114 Microwave oven equipped with a microwave output controlling apparatus  
A microwave oven includes a microwave generating apparatus having a cathode, a first grid for controlling the flow of electrons from the cathode, the first grid having holes for converting...
5804801 Adhesive bonding using variable frequency microwave energy  
Methods of facilitating the adhesive bonding of various components with variable frequency microwave energy are disclosed. The time required to cure a polymeric adhesive is decreased by placing...
5721470 Microwave generator apparatus comprising controller for automatically adjusting filament power of a magnetron  
In a microwave generator apparatus including a magnetron having a filament and an anode and generating a microwave, a filament power source supplies a filament power to the filament of the...
5686007 Microwave oven magnetron with slit filament terminal  
This invention relates to a magnetron of a microwave oven is disclosed including a lead for supporting a filament, and a filament terminal for electrically connecting the lead and a choke coil,...
5676873 Microwave oven and magnetron with cold cathode  
There is provided a magnetron comprising a cold cathode having an electron emitting member which is formed linearly or as a plane on a substrate to emit electrons a subdivided anode disposed...
5604405 Magnetron with feed-through capacitor having a dielectric constant effecting a decrease in acoustic noise  
A magnetron provided with a filter circuit for suppressing leaking of the electromagnetic wave of the magnetron. First and second choke coils have their respective first ends serially connected to...
5600531 Capacitor for magnetron of microwave oven  
A capacitor for the magnetron of a microwave oven is disclosed, in which the structure is relatively simple, so that the material cost would be saved, and that the productivity would be improved....
5575943 Microwave oven with a single thermostat to sense temperature of both the magnetron and the microwave cavity  
This invention discloses an improved safety device for microwave oven having one thermostat commonly preventing possible overheat of the cavity and magnetron of the microwave oven. The thermostat...
5571439 Magnetron variable power supply with moding prevention  
A power supply for a magnetron varies a power output level and prevents moding of the magnetron. To provide a variable power output, a microprocessor senses an anode current and voltage of the...
Matches 1 - 50 out of 112 1 2 3 >