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Class 219/749 - Rotating


Subclass of Class 219 - Electric heating
Definition: Subject matter wherein the radiator (antenna) moves about
No. of patents: 83
Last issue date: 05/15/2012


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NumberTitleIssue Date
8178824Cooking device
A cooking device that cooks food and drink by using heat generation of a heater, or a heat source such as microwaves. A cooking device is provided in which the radiation of microwaves can be varied depending on load, such as cooking objects, when microwaves are used...
05/15/2012
7388180Microwave oven having a driving unit for moving and rotating an antenna
A microwave oven includes a cooking chamber; a magnetron for generating a microwave; a waveguide for guiding the microwave from the magnetron toward the cooking chamber; an antenna between the cooking chamber and the waveguide for propagating the microwave guided by...
06/17/2008
7276679Microwave oven
A microwave oven including: a main casing forming a component compartment and a cooking compartment and formed with a component compartment through portion communicating with the component compartment; a fan assembly coupled to the main casing, and including an exha...
10/02/2007
7269996Method for dynamic diagnosis of an exhaust gas analyzer probe
A method for the dynamic diagnosis of an exhaust gas analyzer probe situated in an exhaust-gas system having at least one exhaust-gas catalytic converter, of an internal combustion engine, a measuring signal (lambda-actual) of the exhaust gas analyzer probe being co...
09/18/2007
7252402Lighting device for baking oven
A lighting device for illuminating the inside of a baking oven containing an oven muffle and a front flap or door including a viewing window. The lighting device having a light beam path inside of the front flap and at least one mirror arranged in the front flap for...
08/07/2007
7199341High-frequency heating apparatus
A high-frequency heating apparatus comprises a heating chamber, a high-frequency generator, a waveguide, an antenna, a motor for rotating the antenna, and a stage (6) provided above and near the antenna to partition the heating chamber and made of dielectric....
04/03/2007
7189950Electric oven
An electric oven capable of cooking food in a cook-top way. The electric oven according to the present invention includes a cabinet which forms an appearance of the electric oven, a cooking cavity defined inside the cabinet and having an opening front part to contai...
03/13/2007
7145119Microwave cooker having antenna in cooperation with movable stirrer
A microwave cooker includes a body having a cooking chamber therein, a microwave source disposed at the body for generating a microwave, a wave guide for guiding the microwave generated from the microwave source into the cooking chamber, a rotation antenna installed...
12/05/2006
7116204Leakage transformer
A leakage transformer capable of preventing occurrence of a short-circuit of a secondary winding and is also capable of restraining a distance between terminals from becoming wide is provided. A leakage transformer (10) has a structure such that a secondary w...
10/03/2006
7067779Magnetron 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 configuration with respect to the waveguide, giving a compact arrangement compare...
06/27/2006
7049566Cooking device
A cooking device includes a first waveguide portion to make a microwave emitted into a heating chamber propagate radially in the directions almost parallel with the bottom face of the heating chamber and to guide the microwave propagated in the almost parallel direc...
05/23/2006
7030347Microwave oven with mode stirrer
A microwave oven, which has a circular polarized wave stirrer for uniformly heating food, is disclosed. The microwave oven includes a magnetron generating electromagnetic waves, a waveguide guiding the electromagnetic waves generated from the magnetron to a cavity, ...
04/18/2006
6933482Microwave 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, said load chamber is located in a centered axial position inside the a...
08/23/2005
6909077Microwave ovens
A microwave oven has an oven cavity in which a launch site for delivering microwave energy into the oven cavity is provided by a hole (6) in a wall (2) of the cavity and a match plate (10). In order to improve the distribution of microwave energ...
06/21/2005
6861632Microwave oven
A microwave oven includes a motor for a stirrer and a motor mounting unit. The motor is provided at an outer circumferential surface thereof with a first flange having a hole. The motor mounting unit is provided on an outer surface of a wave guide, and includes a se...
03/01/2005
6812443Microwave oven capable of changing the way to supply microwaves into heating chambers
A microwave oven has a heating chamber formed inside a body frame. A radiation antenna is provided below the heating chamber. The radiation antenna is structured in such a way that a member housed in an antenna drive box appropriately operates to change the distance...
11/02/2004
6720541High frequency heating apparatus with temperature detection means
A high-frequency heating apparatus capable of simultaneously heating different kinds of objects to appropriate temperatures includes: a power feed portion provided on a right side wall forming a heating chamber; a mounting table on which to mount objects to be heate...
04/13/2004
6698657Method and apparatus for data interpretation
An interactive interpreter of synchronous or asynchronous selective data from an annular indicia. The annular indicia has data contained thereon that is formatted into bit-cells. The bit-cells are angularly positioned about the circumference of the annula...
03/02/2004
6689994Antenna radiation heater for heating a material by using resonance
Disclosed is an antenna radiation heater (2) to heat material using molecular resonance. A plurality of surface antenna elements (3), each having a carrier surface material (11) and a radiation coating (10) applied thereon are connected by two spaced apar...
02/10/2004
6614011Microwave oven including antenna for properly propagating microwaves oscillated by magnetron
An opening is formed in a right side of a heating chamber. The opening is covered by a protection cover. A waveguide is connected to the opening. A magnetron is connected to the waveguide. The magnetron has a magnetron antenna. An emission antenna is arra...
09/02/2003
6590192Microwave oven with temperature-dependent automatic stop
A microwave oven determines an appropriate time to stop heating even if multiple food items are placed in the heating chamber. After any position on the bottom surface of the microwave oven reaches 75 deg C., a search is made for any other position having...
07/08/2003
6576879Microwave oven with wave distributing device
A microwave oven having a wave distributing device. A motor-operated rotor is installed inside a cooking cavity to distribute high-frequency electromagnetic waves ("microwaves") generated by the oscillation of a magnetron. The wave distributing device inc...
06/10/2003
6563097Microwave oven with food search and localized heating
A microwave oven heats all food in an appropriate manner even if food items are simultaneously placed at multiple locations in a heating chamber. An auxiliary antenna is periodically stopped at an orientation corresponding to a position where a lowest tem...
05/13/2003
6444966Microwave oven with a rotational antenna
A rotational antenna has a circular portion having a disc-like shape and a cylindrical portion connected to the central portion of the circular portion, and rotates in a direction perpendicular to the sheet with the cylindrical portion serving as an axis....
09/03/2002
6425190Method and device for moisture profiling
A method and device for moisture profiling of a fibrous material web to be dried in machines for manufacturing and/or refining this web that includes subjecting the fibrous material web to electromagnetic waves in the form of microwaves and/or high-freque...
07/30/2002
6274859High frequency heating apparatus for selective heating of a desired portion of an object
A high frequency heating apparatus for heating an object to be heated is provided with an electromagnetic wave emission device for emitting electromagnetic waves, a local heating device capable of heating an optional portion of the object by the electroma...
08/14/2001
6239416Apparatus and method for microwave heating using chaotic signals
An apparatus and method for heating a microwave oven using a deterministic chaotic signal. The microwave oven includes a heating compartment, a magnetron for generating microwaves, a waveguide for directing the microwaves into the heating compartment and ...
05/29/2001
6211503Device and method of heating components made of microwave absorbing plastic
With a device for heating parts 8 made of a microwave absorbing plastic and having a microwave generator 1 that generates microwaves of a certain wavelength, an antenna 4 to which the microwaves are conducted, having at least one free end 5 and a device 6...
04/03/2001
6118112Choke knob for coaxial microwave feed
A microwave apparatus includes a coaxial feed connected to a microwave waveguide and extended into a rotating antenna applicator in a microwave cavity, wherein a gap between the ceiling of the microwave cavity and the top of the rotating antenna applicato...
09/12/2000
6097015Microwave pressure vessel and method of sterilization
A novel method and apparatus for sterilizing, disinfecting or otherwise heating materials, objects, liquids and the like under pressure is disclosed. The invention utilizes the generation and transmission of single-mode, non-interfering coaxial microwaves...
08/01/2000
5986249High frequency heating apparatus for providing a uniform heating of an object
A high frequency heating apparatus for heating an object to be heated is provided with an electromagnetic wave emission means for emitting electromagnetic waves, a local heating means capable of heating an optional portion of the object by the electromagn...
11/16/1999
5981928Microwave dispersing apparatus of microwave oven
A microwave dispersing apparatus of a microwave oven having a dispersing unit for evenly dispersing into a cooking chamber through first and second waveguides the microwaves generated by oscillation of a magnetron, the apparatus comprising: a rotary motor...
11/09/1999
5869817Tunable cavity microwave applicator
A microwave applicator (10) including a tunable cavity (12) having by an elongated casing formed from a transition section (14) axially secured between upstream and downstream end sections (16) and by first and second end assemblies (28) each axially mova...
02/09/1999
4937418Microwave oven fitted with a wave spreader
A microwave oven comprising an enclosure (1) in which a receptacle (2) is disposed, at least one source (3) of microwaves disposed above the receptacle, and a wave spreader (5) mounted to rotate between the microwave source and the inside of the receptacl...
06/26/1990
4896005Method and apparatus for the continuous heating, pasteurization or sterilization of foodstuffs or the like by microwave energy
An appliance for the continuous treatment of foodstuffs or the like by means of microwaves in a treatment chamber, which allows individual adaptation to different product-pack heights and geometrical product forms, while at the same time ensuring the best...
01/23/1990
4849592Feeding arrangement for a microwave oven
An arrangement for feeding microwave energy from a microwave source (14) to the oven cavity (10) of a microwave oven comprises an elongated groove-shaped recess (16) in one of the conductive cavity walls (17), into which recess (16) microwave energy is fe...
07/18/1989
4804812Microwave oven with combined rotary heater and wave guide plate
A microwave oven with heater has a wave guide plate between a rotary heater and a wall of a heating chamber on which a bearing for the rotary heater is provided, for controlling microwave to improve distribution thereof, and further, preventing adhesion o...
02/14/1989
4673783Compact high-frequency heating apparatus with stepped waveguide
A high-frequency heating apparatus includes an inner casing defining a heating chamber therein, and an outer casing surrounding the inner case. A fixed waveguide is fixed on a top wall of the inner casing to guide high-frequency waves fed from a magnetron...
06/16/1987
4642435Rotating slot antenna arrangement for microwave oven
An improved excitation system for a microwave oven employing a circular rotating disk antenna configured to radiate peripherally from its outermost edge to provide backgound radiation in the oven cavity. Primary microwave energy radiation is emitted from ...
02/10/1987
4641006Rotating antenna for a microwave oven
A rotating antenna is provided for use in a microwave oven having drive apparatus for rotating the antenna, a heating cavity, a source of microwave energy and a waveguide between the heating cavity and the source of microwave energy. A probe extends into ...
02/03/1987
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