Class 219/683 - Gas burner

Subclass of Class 219 - Electric heating
Definition: Subject matter wherein the convection heating is produced
No. of patents: 25
Last issue date: 10/14/2008

Number	Title	Issue Date
7435931	High-speed cooking oven with optimized cooking efficiency The present invention is directed to improving the conventional high-speed cooking oven based on a combination of hot air impingement and microwave heating by providing a time-dependent spatial variation in the net air impingement and/or net microwave energy applied...	10/14/2008
7325480	Apparatus for treating and preparing food by gas-fired heating and a heat exchange device for such an apparatus The present invention refers to an apparatus for treating and preparing food having a cooking chamber in which the food is treated and cooked. The apparatus further includes a motor-driven ventilation fan which serves to circulate the cooking chamber atmosphere, and...	02/05/2008
7100656	System and method for curing composite material According to one embodiment of the invention, a system for curing a composite material includes an oven having an inner wall defining an inner chamber, an outer wall defining an outer chamber between the inner wall and the outer wall, a hot air distribution manifold...	09/05/2006
7041949	Microwave oven having a toasting cavity Disclosed herein is a microwave oven, which is provided with a toasting cavity in addition to a microwave cooking cavity, thus making well-toasted breads. The microwave oven includes a cabinet which is partitioned into a microwave cooking cavity, a toasting cavity, ...	05/09/2006
6919527	Multi-coil induction plasma torch for solid state power supply An induction plasma torch comprises a tubular torch body, a gas distributor head located at the proximal end of the torch body for supplying at least one gaseous substance into the chamber within the torch body, a higher frequency power supply connected to a first i...	07/19/2005
6568215	Method and apparatus for melting a particulate material Apparatus suitable for vitrifying nuclear waste comprises a tunable microwave cavity connected by a first wave guide to a source of microwave energy; cooling coils for cooling the exterior of the cavity; a hopper for loading particulate fusible material t...	05/27/2003
6376817	Compact quick-cooking oven For residential use primarily, a compact quick-cooking convection oven for cooking a food product at least partially by hot gas flow, includes a housing defining (i) a cooking chamber having a top, a bottom and a support means therebetween and spaced abov...	04/23/2002
5556566	Combined gas-microwave cooking oven with steam operation A microwave oven is combined with gas heating, particularly for cooking foods for groups. The oven includes a cooking chamber, one or more magnetrons for the generation of microwaves, and several hollow heating elements arranged internally or on the walls...	09/17/1996
5272299	Combination microwave and convection oven and method of using A combined microwave and conventionally heated oven includes first and second chambers separated from one another by a partition including first and second spaced panels which define a cavity therebetween. These panels are both metallic, except where the ...	12/21/1993
5166487	Cooking oven with convection and microwave heating An apparatus for cooking an article is provided including a cooking chamber, a heating means for producing heated gases for introduction into said chamber for convective heating without microwave interference, and a source of microwaves for heating with m...	11/24/1992
4937411	Combination microwave and combustion apparatus for incinerating refuse The present invention relates to an electronic incinerating apparatus for incinerating organic matter such as garbage having a high rate of water content. This apparatus is composed of a primary combustion chamber (4) into which garbage to be burned is pu...	06/26/1990
4926837	Cooking ovens A cooking oven, preferably in the form of a gas combination microwave oven comprises a gas burner 8 affording a source of convected heat and an electrical heating element 10 both of which are used to reduce the initial warm-up time of the oven....	05/22/1990
4838915	Method for heating thick-walled glass tubes and apparatus therefore A method for heating thick-walled glass tubes, particularly quartz tubes, in the manufacture of optical fibres while using microwave energy. According to the invention, the tube (5) is pre-heated to a temperature of about 1000° C.-1500° C., preferably i...	06/13/1989
4498453	Cooking appliance A conventional gas oven having exhaust holes in the high air pressure region of a heating chamber has a drawback that when a circulation fan is rotating, hot air is constantly discharged to cause a great heat loss. According to the present invention, exha...	02/12/1985
4431889	Combination microwave and convection oven A combination microwave and convection oven in which a gas burner positioned outside the oven provides heated combustion products which are drawn from the burner area along with vapor from an outlet of the oven by a blower system and the combined output o...	02/14/1984
4430541	Combination microwave gas convection oven A combination microwave gas convection oven having a tubular burner operating in an induced draft environment. A blower system draws air from a combustion chamber forcing it into the heating cavity. The slight pressure created in the combustion chamber dr...	02/07/1984
4392038	Self-cleaning microwave convection oven A microwave convection oven in which a gas burner positioned outside the oven cavity has its combustion products circulated through the oven through screens for preventing escape of the microwave energy from the oven cavity with the burner being of the mu...	07/05/1983
4373504	Gas burner convection oven A convection oven in which vapor is circulated through the oven by a pair of counter rotating blowers positioned in the rear of the oven which draw vapor from the oven along with combustion products from a multi-section ribbon burner which has a secondary...	02/15/1983
4339647	Dual fan means for heating chamber of microwave cooking device A microwave cooking device having a main body provided therein with a heating chamber adapted for receiving foodstuffs to be cooked, a magnetron for irradiating microwave energy onto the interior of the heating chamber, and an air charging and discharging...	07/13/1982
4334137	Arrangement for cooking either with a heat source or a microwave source A cooking apparatus of the type that a heating chamber is provided with a heat source and a magnetron so that cooking by heat of the heat source and cooking by microwave of the magnetron can be carried out. There are provided, on the outer side of the hea...	06/08/1982
4297558	Composite cooking device The present application discloses a composite cooking device of the type having a box-shaped main body provided therein with a heating chamber, a heat source such as a gas burner, a magnetron, and a cooling fan for sending air into a cooling duct, having ...	10/27/1981
4278862	Combination microwave and gas oven A cooking device with a microwave heater and a gas heater as well as a cooling fan for the microwave heater. A first circuit operates the microwave heater and is connected to a source of electric power through a first switching circuit. A second circuit o...	07/14/1981
4211909	Combination microwave and gas oven A combination microwave and gas oven, in which an object to be heated is heat-treated by microwave energy and air heated by a gas burner inside a combustion chamber and forced to be circulated by a fan. A microwave introducing port to the heating cavity i...	07/08/1980
4201796	Method of cooking meat The method of cooking meat comprising the steps of searing just the surface of a cut or patty of meat briefly with a blow torch pencil burner and thereafter storing the meat in a refrigerator or freezer compartment. When the meat is to be served, it is th...	05/06/1980

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Class 219/683 - Gas burner