Steam Or Hot Water Patents (Class 126/20)
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Publication number: 20080223352Abstract: In a ceiling part of a heating chamber, a sub-cavity is provided in which a steam-heating heater is housed. Steam generated by a steam generating device is heated by the steam-heating heater inside the sub-cavity to be brought into an overheated state, and is then jetted out through upper jet holes provided in the ceiling part of the heating chamber and through side jet holes provided in lower parts of the side walls of the heating chamber at both sides thereof. Food is supported on a rack to be in a state floating above the floor surface of the heating chamber, and, through the side jet holes, steam is jetted toward under the food.Type: ApplicationFiled: December 8, 2004Publication date: September 18, 2008Inventors: Yuji Ando, Kazuyuki Matsubayashi, Shinya Ueda
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Publication number: 20080223353Abstract: An oven for cooking foods, comprising: a cooking compartment, internally of which a controlled heating cycle can be actuated; one or a plurality of heating elements, predisposed to generate and transmit a determined heat power internally of the cooking compartment; one or a plurality of atomizers, predisposed to controlledly send atomized water onto or in proximity of at least one of the one or the plurality of heating elements; means for control, predisposed to actuate the determined heat cycle internally of the cooking compartment by controlling the one or the plurality of heating elements in a partialisation cycle of the heat power generated and/or transmitted to the cooking compartment by the one or the plurality of heating elements, in which partialisation cycle a temperature of at least one of the heating elements is maintained at a level which is sufficient to cause evaporation of the atomized water.Type: ApplicationFiled: October 5, 2007Publication date: September 18, 2008Applicant: ANGELO PO GRANDI CUCINE S.P.A.Inventor: Corrado Cristiani
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Publication number: 20080148960Abstract: A method for operating a cooking appliance having a cooking appliance control system and a door. The method includes automatically opening the door using the cooking appliance control system when a cooking process is complete, and automatically closing the door when a physical quantity falls below a predetermined threshold value stored in a memory of the cooking appliance control system. In addition, a cooking appliance includes a cooking chamber, a door, a cooking appliance control system having a memory, a sensor disposed in the cooking chamber, a guide device, and a door opening device including a positioning motor and a rod. The cooking appliance control system is configured to actuate the positioning motor as a function of the output signal so as to automatically open the door when a cooking process is complete and automatically close the door when a physical quantity falls below a predetermined threshold value.Type: ApplicationFiled: January 24, 2005Publication date: June 26, 2008Applicant: Miele & Cie. KGInventors: Uwe Berger, Hartmut Dittrich, Ruediger Hoehn
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Patent number: 7368683Abstract: A convection chamber of a cooking device includes a convection fan rotatably installed in a cooking chamber, a convection motor that rotates the convection fan, a convection cover provided in front of the convection fan and having a channel that collects air in the cooking chamber, sucks the air to the convection fan, and discharges the air from the convection fan to the cooking chamber, and a radiating fan provided between the convection fan and the convection motor and rotated by the convection motor.Type: GrantFiled: March 13, 2006Date of Patent: May 6, 2008Assignee: LG Electronics Inc.Inventors: Wan Soo Kim, Yang Kyeong Kim
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Publication number: 20080078371Abstract: A nebulizing device for an oven provided with a cooking chamber and with a fan device, comprises a supplying device for introducing into said cooking chamber a liquid to be nebulized and a rotating nebulizing member, suitable for receiving said liquid from said supplying device, the nebulizing member comprising a plurality of blades arranged for nebulizing at least partially said liquid and for directing said liquid towards said fan device so as to be further nebulized.Type: ApplicationFiled: September 17, 2007Publication date: April 3, 2008Applicant: ANGELO PO GRANDI CUCINE-SOCIETA' PER AZIONIInventor: Luigi Boscaino
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Patent number: 7348520Abstract: An oven with a heat-circulating device includes a housing provided with a chamber for roasting and steaming; a motor fixed on a rear surface of a rear wall of the chamber; a fan; a heater; a separating plate positioned in front of the fan; a steaming device; a tray and a cover. The e annular heater and the fan fixed on an inner surface of the rear wall in front of the motor. The steaming device is composed of a connect tube, a pump motor, an outflow tube and a heating case for heating the water filled in the heating case for producing steam to be blown and circulated by the fan also blowing the hot air to circulate in a balanced condition around the chamber and a food placed to be roasted and steamed synchronously, with the food not losing all water contained.Type: GrantFiled: March 20, 2006Date of Patent: March 25, 2008Inventor: Ching-Hsiang Wang
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Patent number: 7341055Abstract: An overheated steam oven which discharges overheated steam to an outside after changing the overheated steam of a high temperature into water. The overheated steam oven includes a cabinet to define a cooking cavity therein, an overheated steam generator to supply overheated steam into the cooking cavity, and an overheated steam discharger to discharge the overheated steam from the cooking cavity to the outside after condensing the overheated steam. The overheated steam discharger includes a cooling water path which is provided on a steam discharging path to exchange heat with the overheated steam discharged from the cooking cavity to the outside.Type: GrantFiled: May 17, 2004Date of Patent: March 11, 2008Assignee: Samsung Electronics Co., Ltd.Inventor: Yun Ic Hwang
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Patent number: 7323662Abstract: A heating apparatus for cooking having a steam-generating device, which is easily cleaned and hygienically used and has improved steam-generating effects. The heating apparatus includes a main body having a cooking chamber; a hot air chamber formed in at least one surface of both side and rear surfaces of the cooking chamber for supplying hot air to the cooking chamber; and a steam-generating device installed in the hot air chamber for supplying steam to the cooking chamber.Type: GrantFiled: May 5, 2005Date of Patent: January 29, 2008Assignee: Samsung Electronics Co., Ltd.Inventors: Pung Yeon Cho, Kobayashi Shozo, Seok Weon Hong, Yun Ic Hwang, Yu Jeub Ha, Cheol Jin Kim
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Publication number: 20080017629Abstract: A steam oven is disclosed. The steam oven includes an oven, a water storing element, a steam generating element, a first conveying element, a second conveying element and a heating element, herein the oven includes an orifice. Both of the water storing element and the steam generating element are disposed adjacent to the oven. The first conveying element used for conveying water from the water storing element to the steam generating element is disposed between the water storing element and the steam generating element. The second conveying element used for conveying steam from the steam generating element to the oven via the orifice connects the steam generating element and the oven. The heating element used for heating steam is disposed adjacent to the second conveying element.Type: ApplicationFiled: July 9, 2007Publication date: January 24, 2008Inventors: Yaosheng Xu, Shengkai Lin, Yingjie Lu
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Patent number: 7317173Abstract: An oven is disclosed having a first food preparation apparatus in the form of a convection heat source and/or a steam production assembly and/or a radiating heat source, and a second food preparation apparatus in the form of a smoking assembly. The oven can operate at least one of the food preparation apparatus simultaneously with the smoking assembly or separately from the smoking assembly.Type: GrantFiled: August 30, 2006Date of Patent: January 8, 2008Assignee: Alto-Shaam, Inc.Inventors: Janus Bartelick, William J. Hansen, Patrick A. Willis
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Patent number: 7307244Abstract: An oven includes a housing forming a cooking compartment defining an interior of the oven. A water supply line extends through the housing to position an end behind a fan within the cooking compartment. The fan is arranged within the cooking compartment near the water supply line to create a low pressure area about the end of the water supply line to draw water through the water supply line and into the fan.Type: GrantFiled: February 17, 2006Date of Patent: December 11, 2007Assignee: Alto-Shaam, Inc.Inventors: William J. Hansen, Janus W. Bartelick
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Patent number: 7304271Abstract: A heating apparatus for cooking using steam and a method of controlling the same. The heating apparatus includes a main body having a cooking chamber; a steam-generating device for supplying steam to the cooking chamber; and a water supply device for supplying water to the steam-generating device, having a water bucket for containing water; a water bucket-supporting device installed on the main body for supporting the water bucket, and including a space for containing an inlet of the water bucket such that the inlet can be soaked in the water when the water bucket is inserted into the water bucket-supporting device such that the inlet of the water bucket faces a bottom of the bucket-supporting device; a water supply pump for supplying the water of the water bucket-supporting device to the steam-generating device; and water supply pipes for guiding the water from the water bucket-supporting device to the steam-generating device.Type: GrantFiled: June 27, 2006Date of Patent: December 4, 2007Assignee: Samsung Electronics Co., Ltd.Inventors: Pung Yeon Cho, Kobayashi Shozo, Seok Weon Hong, Yun Ic Hwang, Yu Jeub Ha, Cheol Jin Kim
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Patent number: 7261101Abstract: A steam oven which selectively heats food at desired locations includes a cabinet to define a cooking cavity therein, a steam generator to generate steam, a plurality of steam feed pipes to guide and supply the steam generated by the steam generator into the cooking cavity, including outlet ends placed at a plurality of predetermined positions in the cooking cavity so as to evenly distribute the steam into the cooking cavity, and a plurality of steam valves mounted at predetermined portions of the plurality of steam feed pipes. The plurality of steam valves independently control the plurality of steam feed pipes so as to change positions from which the steam is discharged into the cooking cavity. Therefore, the steam oven of the present invention cooks the food in desired directions by allowing the plurality of the steam valves to independently control the plurality of steam feed pipes.Type: GrantFiled: May 21, 2004Date of Patent: August 28, 2007Assignee: Samsung Electronics Co., Ltd.Inventor: Cheol Jin Kim
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Publication number: 20070194033Abstract: A quick opening and closing lid for pig chambers, with safety valve, includes a screw (6) with a needle type seal that traverses the two holes (5) in the clamps (3) and penetrates the hole (5) in the upper part of the mouth (2) of the pressure receptacle, thereby preventing the internal pressure from escaping and locking the clamps (3) that secure the lid (1) that seals the mouth (2). In order to open the pressure receptacle, screw (6) is unscrewed to allow the pressure to escape through the hole (5). With the receptacle depressurized, screw (6) is removed, thereby releasing the clamps (3) and consequently allowing the lid (1) to be opened.Type: ApplicationFiled: December 21, 2006Publication date: August 23, 2007Inventor: Antonio Tadeu Dos Santos Junior
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Patent number: 7241976Abstract: A sub-cavity with an integral steam heater is provided in a ceiling portion of a heating chamber. A gas in the heating chamber is sucked into a blower through a gas suction opening and sent into an external circulation path. The gas passing through the external circulation path sucks steam from a steam producing device by using steam suction ejector. The gas that took the steam in enters into the sub-cavity, as the gas return opening, from the external circulation path. The steam contained in the gas is heated by the steam heater in the sub-cavity to become an overheated state, spouted out downward from spouting holes in the bottom face of the sub-cavity, and collides with an object to be heated. The external circulation path is constructed from a pipe with a circular cross-section.Type: GrantFiled: July 23, 2004Date of Patent: July 10, 2007Assignee: Sharp Kabushiki KaishaInventors: Yuhji Andoh, Toshiyuki Irie, Shinya Ueda, Masami Umemoto, Tadanobu Kimura
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Patent number: 7238922Abstract: A steam cooker, wherein a sub cavity incorporating a steam heating heater is formed at the center of the ceiling part of a heating chamber. Steam in the heating chamber is sucked into an air blow device through a suction port and force-fed into the sub cavity through an external circulating passage. Gas passed through the external circulation passage sucks steam from a steam generator midway in the external circulation passage and enters from the external circulation passage into the sub cavity. The steam heated by the steam heating heater until it is brought into an superheated state is jetted downward from a plurality of upper gas jetting holes formed in the bottom panel of the sub cavity by such a force that makes the steam reach the bottom of the heating chamber so that the steam can be collided with a heated matter. The steam is raised on the outside of downward air flow and the convection of steam occurs in the heating chamber.Type: GrantFiled: July 26, 2004Date of Patent: July 3, 2007Assignee: Sharp Kabushiki KaishaInventors: Yuhji Andoh, Toshiyuki Irie, Shinya Ueda, Masami Umemoto, Tadanobu Kimura
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Patent number: 7157668Abstract: An oven is disclosed having a first food preparation apparatus in the form of a convection heat source and/or a steam production assembly and/or a radiating heat source, and a second food preparation apparatus in the form of a smoking assembly. The oven can operate at least one of the food preparation apparatus simultaneously with the smoking assembly or separately from the smoking assembly.Type: GrantFiled: August 9, 2004Date of Patent: January 2, 2007Assignee: Alto-Shaam, Inc.Inventor: Janus Bartelick
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Patent number: 7143761Abstract: An overheated steam oven designed for home use by simplifying a construction and reducing a size of the overheated steam oven, and effectively reduces heat loss due to an insulating construction thereof, and includes an overheated steam discharging structure to discharge the overheated steam to an outside of the overheated steam oven after changing the overheated steam into low temperature water to prevent the overheated steam from burning a user, thermally deteriorating or damaging items around the overheated steam oven, thus having a safety structure, reducing a size and a noise of the overheated steam discharging structure.Type: GrantFiled: May 13, 2004Date of Patent: December 5, 2006Assignee: Samsung Electronics Co., Ltd.Inventor: Yun Ic Hwang
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Patent number: 7113695Abstract: The present invention provides a heat treatment system, which includes a treatment chamber having an input port and a discharge port for charging and discharging materials to be treated. A heating system including a plurality of pipe-like heaters positioned one after another in serial arrangement is provided so that the heating temperature is gradually increased for heating the steam or the atomized water introduced from the water feeding system into the heaters by applying voltage on the heaters to turn the steam and the atomized water to superheated steam, and for performing heat treatment on the materials to be treated by injecting the superheated steam into the treatment chamber.Type: GrantFiled: August 23, 2004Date of Patent: September 26, 2006Assignees: Aoki Kogyo KabushikikaishaInventor: Tatsumi Ono
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Patent number: 7102105Abstract: An electric oven including lower heaters arranged under a cooking chamber thereof. The electric oven includes an outer case defining the appearance of the electric oven, an inner case inwardly spaced apart from the outer case by a predetermined distance, and lower heaters arranged between bottom walls of the outer and inner cases. The inner case internally defines a cooking chamber, and a blowing fan is installed near the lower heaters to circulate air existing in the cooking chamber toward the lower heaters. With the electric oven configured as stated above, heat generated by the lower heaters is transferred to the cooking chamber in the form of conductive heat and convective heat, resulting in fast and efficient heat transfer and even cooking of food.Type: GrantFiled: July 7, 2005Date of Patent: September 5, 2006Assignee: Samsung Electronics Co., Ltd.Inventor: Keun Seuk Oh
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Patent number: 7093592Abstract: A steam oven having a steam distributing unit which is installed in the steam oven and evenly distributes steam generated by a steam generator into a cooking cavity, which is defined in a cabinet of the steam oven. The steam oven has the steam generator, the cooking cavity, a steam feed pipe to feed the steam generated by the steam generator into the cooking cavity, and a steam distributing pipe to distribute the steam from the steam feed pipe into the cooking cavity. The steam oven additionally has a sectional area control part provided in the steam feed pipe, to control a flow speed of the steam in the steam feed pipe.Type: GrantFiled: January 16, 2004Date of Patent: August 22, 2006Assignee: Samsung Electronics Co., Ltd.Inventor: Pung Yeun Cho
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Patent number: 7087864Abstract: A cooking device is provided which blows most of the air blown from a circulation fan in a heater room to a heater, such that the heating of air by the heater is facilitated and the volume of the rear side of a heater case is reduced to permit manufacture of the cooking device in a small size. The cooking device includes a heater case provided to form a heater room in an inner case, a circulation fan installed in the heater room, a heater installed outside of the circulation fan in the heater room, a motor mounted outside the heater case and driving the circulation fan, and a first sunken part formed such that a portion of the heater case, on which the motor is mounted, is sunken inward with respect to the heater room by a predetermined depth.Type: GrantFiled: June 17, 2005Date of Patent: August 8, 2006Assignee: Samsung Electronics Co., Ltd.Inventors: Keun Seuk Oh, Hyang Ki Kim, Kyoung Ho Kim
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Patent number: 7076324Abstract: An embodiment of the present invention uses an on-board microcontroller of a household appliance to receive signals from a directionless encoder attached to a knob for receiving user input and processing the signals from the direction encoder according to a control algorithm. The microcontroller may increase the output to an electric heating element on the appliance based on a variety of criteria, including either direction of rotation, current heating element setting, or a change in directional rotation. Alternatively, or in addition, the microcontroller may provide various types of graduated visual or audible feedback to the user.Type: GrantFiled: August 12, 2004Date of Patent: July 11, 2006Assignee: K.G.O. North America, Inc.Inventors: Alton Harkcom, Craig E. Bryan, Joerg Clemens
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Patent number: 7066168Abstract: A batch-type convection oven for bakery goods of the type having a front wall, a back wall, a pair of opposed side walls, a floor, a top and an opening in the front wall for permitting at least one multi-layer wheeled cart to be pushed into and removed from the oven. The oven includes a fan for circulating heated air in a closed path to the interior of the oven; a plenum attached to one wall of the oven, the plenum having at least one row of vertically arranged air outlets; an air return located in one wall of the oven for receiving the heated air after it has passed through the interior of the oven and for returning the air to the inlet of the fan and an air flow control system.Type: GrantFiled: November 9, 2004Date of Patent: June 27, 2006Assignee: Friedrich Metal Products Co., Inc.Inventors: Robert J. Friedrich, Jennifer Friedrich-Prago
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Patent number: 7069109Abstract: Multiple microcontrollers are used in controlling operation of an appliance thereby providing enhanced safety. User input deactivating the appliance is received and processed by a first and second microcontrollers, which separately and independently act to remove power from the appliance upon receipt of user input. Failure of one microcontroller in processing user input does not result in the appliance entering into an unsafe mode. Further, a third processor in a power supply module is used to control power into, and out of, the power supply module, so that under certain conditions, power may be remove from the system entirely or to certain components.Type: GrantFiled: November 9, 2004Date of Patent: June 27, 2006Assignee: E.G.O. North America, Inc.Inventor: Jeff Huffington
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Patent number: 7049551Abstract: A natural convection steam cooking device with a cooking cavity having a floor defining a lower boundary thereof and a sidewall defining a side boundary thereof, the floor having a plurality of first holes therein, the sidewall having a plurality of second holes therein; a steam chamber disposed below the cooking cavity and along the sidewall, the steam chamber having a pool disposed below the floor; wherein the steam enters the cooking cavity from the steam chamber via both the first holes and the second holes; and wherein the steam circulates within the device in an unforced manner by natural convection. The first holes and the second holes may have a ratio of cross-sectional areas of approximately 2:3. And method(s) of providing steam to, and design of steam flow for, a cooking cavity of a commercial steam cooking device.Type: GrantFiled: September 30, 2004Date of Patent: May 23, 2006Assignee: Middleby Marshall, Inc.Inventors: Rafe T. Williams, Joseph J. Saunders, Phillip D. Knott, Robert Van Murray
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Patent number: 6995341Abstract: The apparatus for the treatment of substances, in particular foods, has a condensation device which is constructed within the cooking chamber (2) and comprises an injector nozzle (16) and a condensation chamber (23) which is constructed as a recess (12) in the cooking chamber bottom. The injector nozzle (16) is further situated within the pressure region (13) of a circulation fan (5). The recess (12) which acts as condensation chamber leaves from the pressure region (13) of the circulation fan (4) and extends into the cooking chamber (2).Type: GrantFiled: June 4, 2004Date of Patent: February 7, 2006Assignee: Convotherm Elecktrogeraete GmbHInventors: Lutz Riefenstein, Guenther Wurdinger, Rainer Lammerskitten
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Patent number: 6992268Abstract: A steam oven including an outer casing to define an appearance of the steam oven, an inner casing provided in the outer casing to define a cooking cavity to cook food therein. The inner casing includes an inner wall and an outer wall, with a space defined between the inner wall and the outer wall and maintained in a vacuum state, thus insulating the cooking cavity from an outside of the inner casing. The steam oven further includes a steam generator to supply steam into the inner casing. Therefore, the steam oven accomplishes the desired insulating effect without using any insulating material while the space defined between the inner wall and the outer wall reduces conductive and convective heat transfer.Type: GrantFiled: July 20, 2004Date of Patent: January 31, 2006Assignee: Samsung Electronics Co., Ltd.Inventor: Hyung Min Kim
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Patent number: 6987246Abstract: A combination oven for the preparation of food has a cooking chamber containing heating elements, a fan and an atomizer for radiant, convective or steam cooking. The humidity within the cooking chamber is controlled by a water valve and either by forcing dry air into the cooking chamber and venting the humid air or by using a pressure box. Without any moving parts, the pressure box controls air exchange of the cooking chamber according to the level of water within the pressure box and the pressure in the cooking chamber. The oven has a condensate tank to collect condensation drained from the cooking chamber. The pressure box and condensate tanks form water barriers effectively isolating the cooking chamber from the vent and drain during cooking until venting is required.Type: GrantFiled: September 6, 2002Date of Patent: January 17, 2006Assignee: Alto-Sham, Inc.Inventors: William J Hansen, Jan Bartelick
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Patent number: 6972397Abstract: A heating cooker which prevents leakage of water even when an inlet of the water feed pipe is placed in any direction, and in which a water feed tank is removably coupled to the water feed pipe in any direction. The heating cooker includes a steam generator to supply steam into a cooking cavity defined in the heating cooker, a water feed tank to supply water into the steam generator, a water feed pipe to supply the water from the water feed tank into the steam generator, with the water feed tank removably coupled to the water feed pipe, a first valve to control an outlet provided on the water feed tank to discharge the water from the water feed tank, and a second valve to control an inlet provided on the water feed pipe to draw the water discharged from the water feed tank into the water feed pipe.Type: GrantFiled: August 23, 2004Date of Patent: December 6, 2005Assignee: Samsung Electronics Co., Ltd.Inventor: Yu Jeub Ha
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Patent number: 6965094Abstract: An automatically operated steamer for cooking and warming food products is described. The steamer uses three operating thermostatic controls, a housing with a reservoir in the bottom thereof, and an electrical heat source disposed below said reservoir to heat the same. When cold water is admitted to the reservoir a thermostat closes to generate heat to warm the water and as the water warms, the flow of the water into the reservoir ceases. When the reservoir water reaches a temperature slightly above its boiling point, a second thermostat operates to control the temperature to keep the water boiling until it completely evaporates. When the water evaporates the heat within the device steamer increases, and another thermostat opens at a predetermined elevated temperature to signal for the addition of water to the reservoir.Type: GrantFiled: November 30, 2004Date of Patent: November 15, 2005Inventor: Nitai Friedman
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Patent number: 6930286Abstract: A heating cooker capable of evenly supplying steam from a steam generator into a cooking cavity. The heating cooker includes a cooking cavity, a steam generator to supply steam into the cooking cavity, and food racks installed in the cooking cavity to support food thereon. Each of the food racks is fabricated with a pipe having a plurality of steam discharging holes so that the steam is fed into each of the food racks. Thus, the heating cooker allows the steam to be distributed through entire portions of the food racks to allow the steam to be evenly discharged into the cooking cavity.Type: GrantFiled: August 20, 2004Date of Patent: August 16, 2005Assignee: Samsung Electronics Co., Ltd.Inventor: Jong Gun Kim
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Patent number: 6927364Abstract: A heating cooker produces hot steam by boiling water in a cooking cavity thereof, and cooks food by use of the hot steam to prepare steamed food. The heating cooker has a cabinet to define a cooking cavity therein. A steaming vessel to contain food and water therein, is laid on a bottom wall of the cooking cavity. A heater is provided at the bottom wall of the cooking cavity to heat the bottom wall of the cooking cavity on which the steaming vessel is laid. Thus, the heater heats the water contained in the steaming vessel, so that the water is boiled to produce the hot steam.Type: GrantFiled: January 2, 2004Date of Patent: August 9, 2005Assignee: Samsung Electronics Co., Ltd.Inventor: Yeong Cheol Ko
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Patent number: 6911626Abstract: An overheated steam oven including a cabinet to define a cooking cavity therein, and an overheated steam generator to supply overheated steam into the cooking cavity. The overheated steam generator includes a steam generating vessel of which an outlet is connected to and communicates with the cooking cavity, with a predetermined amount of water contained in the steam generating vessel. A first heater is installed in the steam generating vessel to be immersed in the water contained in the steam generating vessel so as to generate steam, and a second heater is mounted to an upper portion in the steam generating vessel so as to overheat the steam generated by the first heater.Type: GrantFiled: April 22, 2004Date of Patent: June 28, 2005Assignee: Samsung Electronics Co., Ltd.Inventor: Kobayashi Shozo
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Patent number: 6909070Abstract: A steamer apparatus for steaming bread-type food products includes a housing defining a steam chamber having a heated platen therein. A water conduit delivers water onto the heated platen to convert the water into steam in the steam chamber. The water in the conduit is preheated by the heated platen, itself, prior to delivering the water to the heated platen.Type: GrantFiled: June 28, 2002Date of Patent: June 21, 2005Assignee: Prince Castle Inc.Inventors: Loren J. Veltrop, Lawrence G. Banovez
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Patent number: 6904903Abstract: A convection steam cooking device utilizes forced recirculation of gases along a primary recirculation path that extends through a steam chamber so that gases from the cooking cavity flow through the steam chamber and are subjected to a “steam bath” that alters the gases by adding heat and/or moisture. The cooking device includes a cooking cavity, a fan, a steam chamber disposed beneath the cooking cavity with a lower pool area for holding water and an upper steam collecting area disposed directly above the pool area, and a removable baffle disposed between the cooking cavity and the steam chamber with a perforated section remote from the fan and disposed at an upward angle. The primary forced recirculation path extends from the main cooking cavity, through the baffle, substantially across the steam collecting area, through a duct to the fan, and back to the main cavity.Type: GrantFiled: July 22, 2002Date of Patent: June 14, 2005Assignee: Middleby-Marshall, Inc.Inventor: Robert C. Vroom
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Patent number: 6900414Abstract: A static deck oven has a flat conducting element (17) located between a cooking shelf (13) and lower heaters (15) The conducting element is connected to and in heat transfer relationship with a water-containing trough (18) inside the oven space Heat passes through the element to the trough and converts the water into steam, which provides a beneficial surface effect to the products being cooked. A computerised controller (22) determines extra energy required to convert a particular dose of water into steam, and controls the energy input to the heaters accordingly.Type: GrantFiled: November 1, 2001Date of Patent: May 31, 2005Assignee: Aga Foodservice Equipment LimitedInventor: David Simon Fisher
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Patent number: 6880544Abstract: A rack oven having an oven interior, an access door, a baking chamber, a passive steam generator, and a heat exchanger. The heat exchanger includes a chamber containing burners, an undivided exhaust collection plenum positioned above the burner chamber, and a plurality of straight heat exchange tubes extending upwardly between and communicating with the burner chamber and the collection plenum. A blower circulates air within the oven interior among the heat exchange tubes, the steam generator and the baking chamber, and the steam generator produces steam using the circulating air heated by the heat exchange tubes.Type: GrantFiled: December 10, 2002Date of Patent: April 19, 2005Assignee: Lang Manufacturing CompanyInventors: Stephen B. Hegge, Bradley J. Miner, Michael R. Anderson, Michael K. Roff, Christopher D. Steely
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Patent number: 6860261Abstract: An oven construction wherein the oven wall forms an oven cavity containing in a lower portion thereof a HTA producing device, wherein a steam generator is provided in the cavity in physically isolated relationship to the device, wherein the steam generator contains a plurality of metal balls which act as a heat sink, and wherein a water reservoir is provided on the outside of the oven and is in water flow communication with the steam generator thru a water feed line.Type: GrantFiled: September 15, 2003Date of Patent: March 1, 2005Inventor: Robert S. Hines, Jr.
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Patent number: 6854457Abstract: A rack oven includes a cooking air flow path that, in one embodiment, is generally horizontal and/or that flows along an axial length of a plurality of heat exchange tubes. Air flow may be driven by a plurality of vertically spaced axial fans.Type: GrantFiled: April 15, 2003Date of Patent: February 15, 2005Assignee: Premark FEG L.L.C.Inventors: Jiri Rabas, Paula Schmitz, Nigel Mills
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Patent number: 6854456Abstract: A batch-type convection oven for bakery goods of the type having a front wall, a back wall, a pair of opposed side walls, a floor, a top and an opening in the front wall for permitting at least one multi-layer wheeled cart to be pushed into and removed from the oven. The oven includes a fan for circulating heated air in a closed path to the interior of the oven; a plenum attached to one wall of the oven, the plenum having at least one row of vertically arranged air outlets; an air return located in one wall of the oven for receiving the heated air after it has passed through the interior of the oven and for returning the air to the inlet of the fan and an air flow control system.Type: GrantFiled: September 4, 2002Date of Patent: February 15, 2005Assignee: Friedrich Metal Products Co., Inc.Inventors: Robert J. Friedrich, Jennifer Friedrich-Prago
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Patent number: 6833534Abstract: A steaming oven having a collector plate disposed in an oven chamber. A collector plate is disposed above a boiling water reservoir in the oven chamber. The collector plate has drain tube inserted into an overfill tube disposed in the reservoir. Waste material from the steam and food droppings is conveyed from the oven chamber via the drain tube and the overfill tube.Type: GrantFiled: April 22, 2003Date of Patent: December 21, 2004Assignee: Cleveland RangeInventors: Joseph S. Bellassai, John E. Richnafsky, Jason D. Schreiner
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Patent number: 6772751Abstract: A cooking appliance includes a heater, a blower, a steam generator, a cooking chamber, a cooking chamber drain, a steam condenser and a cooking appliance drain, and the steam condenser is arranged between the cooking chamber drain and the cooking appliance drain. A fluid from the steam generator and from a washing liquid reservoir, which fluid includes water, a cleaning agent, a rinsing agent, a wetting agent, a decalcification agent and/or waste products arising when cooking a product in the cooking chamber can be distributed in the cooking chamber for the cleaning of the chamber.Type: GrantFiled: October 25, 2002Date of Patent: August 10, 2004Assignee: Rational AGInventors: Martin Deuringer, Hubert Brunner, Elmar Junker, Manfred Breunig, Michael Herner, Judith Imgram, Peter Wiedemann
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Patent number: 6773738Abstract: A steam cooking apparatus with a steam generator and several cooking planes in a common cooking chamber in which there are arranged a steam input opening connected to the steam generator and a steam outlet opening whereby a temperature measuring device is associated with the cooking chamber and is connected to a control device. For providing an energy-saving steam cooking apparatus for effectively controlling the temperature in the individual cooking planes there are associated with the cooking planes one or more steam input openings and/or one or more steam outlet openings and separate temperature measuring devices are arranged in at least two cooking planes.Type: GrantFiled: June 21, 2002Date of Patent: August 10, 2004Assignee: Imperial-Werke oHG.Inventors: Uwe Berger, Hartmut Dittrich, Thomas Metz
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Publication number: 20040107953Abstract: A rack oven having an oven interior, an access door, a baking chamber, a passive steam generator, and a heat exchanger. The heat exchanger includes a chamber containing burners, an undivided exhaust collection plenum positioned above the burner chamber, and a plurality of straight heat exchange tubes extending upwardly between and communicating with the burner chamber and the collection plenum. A blower circulates air within the oven interior among the heat exchange tubes, the steam generator and the baking chamber, and the steam generator produces steam using the circulating air heated by the heat exchange tubes.Type: ApplicationFiled: December 10, 2002Publication date: June 10, 2004Inventors: Stephen B. Hegge, Bradley J. Miner, Michael R. Anderson, Michael K. Roff, Christopher D. Steely
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Publication number: 20040065311Abstract: An oven construction wherein the oven wall forms an oven cavity containing in a lower portion thereof a HTA producing device, wherein a steam generator is provided in the cavity in physically isolated relationship to the device, wherein the steam generator contains a plurality of metal balls which act as a heat sink, and wherein a water reservoir is provided on the outside of the oven and is in water flow communication with the steam generator thru a water feed line.Type: ApplicationFiled: September 15, 2003Publication date: April 8, 2004Inventor: Robert S. Hines
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Publication number: 20040000541Abstract: A steamer apparatus for steaming bread-type food products includes a housing defining a steam chamber having a heated platen therein. A water conduit delivers water onto the heated platen to convert the water into steam in the steam chamber. The water in the conduit is preheated by the heated platen, itself, prior to delivering the water to the heated platen.Type: ApplicationFiled: June 28, 2002Publication date: January 1, 2004Inventors: Loren J. Veltrop, Lawrence G. Banovez
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Patent number: 6635854Abstract: An oven includes a food chamber with an access door which houses a water evaporator chamber in fluid communication with the food chamber. By sensing the temperature of the water in the evaporator and the dry bulb temperature within the food chamber and by controlling a dry heat source that heats the air and a wet heat source that heats the water, the cook can control both the final food temperature and the degree of browning of the food.Type: GrantFiled: February 20, 2002Date of Patent: October 21, 2003Assignee: Carton Drive EnterprisesInventor: Winston Shelton
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Patent number: 6626190Abstract: In a method and an apparatus for automatically cleaning at least the cooking chamber of a cooking device upon use of a fluid, the fluid is selected from a first fluid comprising cleaning agent, rinse agent, decalcification agent, water and/or the like, and/or from a second fluid that is acquired from the third fluid discharging from the cooking chamber during cleaning on the basis of at least partial cleaning thereof. At least one spray head is provided to which the first fluid from at least a first reservoir and/or the second fluid can be supplied via a line system from a processing unit connected to the discharge conduit of the cooking chamber. The processing unit has at least a second reservoir, a cleaning unit, and a pump unit.Type: GrantFiled: December 14, 2000Date of Patent: September 30, 2003Assignee: Rational AktiengesellschaftInventors: Wilfried Durth, Peter Wiedemann
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Patent number: 6619189Abstract: An apparatus is disclosed in the form of a cabinet having doors and interior side walls with supports for receiving trays of food products to be rapidly rethermalized and held. The apparatus can also condition the rethermalized food product, as well as act as a cooking oven. A steam generator is provided for supplying steam to the cabinet interior where it is continuously mixed with air. Thermocouples control both the steam and air mixture temperature for rethermalizing cooking and holding the food products and an air heater for conditioning the food products prior to use.Type: GrantFiled: December 9, 2002Date of Patent: September 16, 2003Assignee: Thermodyne Food Service Product, Inc.Inventors: Edward Tippmann, Barry Tippmann