Abstract: A furnace of controlled heating and treatment of material using infrared radiation. The furnace is capable of continuous infrared treating of material with consistent radiation being applied to the material, ease of access to the furnace for maintenance cleaning and repair, excellent control of radiant cooling of the material to be treated, and ease of maintenance of a volatile component condenser.

Abstract: Apparatus and method are provided for electric induction heating of a workpiece moving through a chamber that is enclosed by a gas plenum. A fluid flows through the gas plenum and chamber with at least a part of the flow passing through passages in an induction coil that is used to inductively heat the workpiece as it moves through the chamber. The gas plenum and passages are arranged so that gas flow through the passages in the induction coil is directed towards opposing surfaces of the workpiece.

Abstract: A cooking appliance includes a main cavity and a ventilation system. A cavity vent extends between the cooking appliance and the ventilation system such that the ventilation system is in fluid communication with the main cavity to expel an exhaust of gases. A chimney is connected above the cavity vent and includes venturi zone therein, wherein the cavity vent is coupled to the chimney at the venturi zone.

Abstract: In general, this invention involves various improvements relating to food service apparatus, including an energy-compensation feature to compensate for the transfer of heat from one food-holding compartment to another food-holding compartment, and an energy-limit feature for preventing overheating of the apparatus in the event it is incorrectly programmed by an operator, for example.

Abstract: An oven cell defines a heating cavity of an oven, and the oven cell generally has a shape in the form of an octagon. Additionally or alternatively, a tray containing a heating element for heating the heating cavity is supported so that the tray can be slid out of and into the oven.

Abstract: A ventilation panel for a ventilation system of an oven with an air inlet aperture has a first subsidiary air inlet aperture and a second subsidiary air inlet aperture, which are separated from each other by a dividing wall at least partially in the air entry area.

Abstract: An oven door has an outer door panel, an inner door panel, and a viewing panel being disposed intermediate the outer and inner door panels. The oven door is provided with an air deflection assembly disposed intermediate the outer door panel and the viewing panel. The air deflection assembly deflects a first portion of an entry air stream of air from outside the oven into a first branch path extending vertically along a left hand side and deflects a second portion of the entry air stream into a second branch path extending vertically along a right hand side.

Abstract: A bread baking support for a baking appliance, the support having at least one mold of elongated shape having a substantially semicircular cross-section. The longitudinal edges of the support have substantially vertical walls.

Abstract: An electric oven with a hood is provided. An opening/closing member selectively opens and closes a hood exhaust passage to physically open or close a hood exhaust port. Thus, contaminated air detrimental to a hood fan can be prevented from being suctioned. Accordingly, a reduction in the suctioning force of the hood fan and contamination thereof can be prevented.

Abstract: A cooking apparatus is provided. The cooking apparatus includes a cooking cavity, a door, an input selection device provided on an exterior of the door, and a control panel provided in the door and operably coupled to the input selection device. The input selection device may include buttons which are illuminated by a light source provided with the control panel. A guide may be positioned between the control panel and the input selection device to guide the light generated by the light source to the input selection device and concentrate light on the buttons to illuminate the buttons. In this manner, the cooking apparatus may include a selection device on its door including buttons that are effectively illuminated.

Abstract: A cooking appliance is provided. The cooking appliance is coupled to a power supply that includes a first hot wire, a second hot wire and a ground wire. The cooking appliance includes a cabinet and a cavity defined within the cabinet. The cooking appliance also includes at least one heating assembly having two electrical heating elements positioned with respect to the cavity. A first electrical heating element is electrically coupled to the first hot wire and the ground wire. A second electrical heating element is electrically coupled to the second hot wire and the ground wire.

Abstract: A heating system for a cooking appliance includes at least one heating element positioned within a cooking cavity defined by a cabinet of the cooking appliance. The cooking cavity is configured to support a food item therein during a cooking process. A controller is in operational control communication with the at least one heating element. The controller is configured to energize the at least one heating element to operate a slow cook mode for cooking the food item.

Abstract: A batch processing chamber comprising a top plate having at least one opening, and sidewalls, wherein the sidewalls and the top plate define a process volume. At least one removable heater is generally disposed in the process volume, wherein the at least one removable heater can be inserted or removed from the at least one opening of the top plate. In one embodiment, the at least one removable heater is resistive heater constructed in ceramic. In another embodiment, at least one heater container is disposed in the process volume via the at least one opening of the top plate and the at least one heater may operate in atmospheric conditions.

Abstract: A heating system for a cooking appliance includes a first upper heating element and a second upper heating element positioned within a cooking cavity defined by a cabinet of the cooking appliance. The cooking cavity is configured to support a food item therein during a cooking process. Each of the first upper heating element and the second upper heating element is positioned with respect to an upper portion of the food item. A lower heating element is positioned within the cooking cavity. The lower heating element is positioned with respect to a bottom portion of the food item. A controller is operatively coupled to the lower heating element and the first and second upper heating elements. The controller is configured to asynchronously energize the first upper heating element and the second upper heating element to heat the upper portion of the food item.

Abstract: A cooking appliance is provided. The cooking appliance is coupled to a power supply that includes a first hot wire, a second hot wire and a ground wire. The cooking appliance includes a cabinet and a cavity defined within the cabinet. The cooking appliance also includes at least one heating assembly having two electrical heating elements positioned with respect to the cavity. A first electrical heating element is electrically coupled to the first hot wire and the ground wire. A second electrical heating element is electrically coupled to the second hot wire and the ground wire.

Abstract: A cooking device includes a cabinet, a cavity installed in the cabinet and having a cooking chamber therein, a door installed at the cabinet to open and close the cooking chamber, a ventilation passage formed to allow external air of the cabinet to pass through between the cavity and the cabinet so as to be discharged, a blower installed in the ventilation passage, and a cooking chamber air discharge unit for discharging air from the interior of the cooking chamber through the ventilation passage. Because the heated air inside the cooking chamber can be cooled by air which passes through the ventilation passage and then discharged, when the door is opened, heated air cannot be directly discharged to a user from the cooking chamber.

Abstract: A cook and hold system having an oven, a food warmer and a metallic food tray. The metallic food tray is used in the oven to hold the food products during cooking and then is rapidly transferred to the food warmer for holding. The food warmer has doors that cover the food warmer inlets so as to retain moisture and heat so that the food products are moist and warm when removed from the food warmer. The food tray has a bottom with parallel ribs that provide grill markings on the food products and a trapping of cook byproducts, such as moisture, grease and particles in the bottom spaces along side the ribs. These byproducts help to preserve heat and moisture when the food tray is transferred from the quick cook oven to the food warmer.

Abstract: In one embodiment of the present invention, an oven having a flexible and retractable door is described. The oven door is adapted to move from a closed position wherein it effectively closes an open side of the oven chamber and an open position wherein the door is retracted into the body of the oven, typically below the oven chamber. In variations, an electric motor is provided to selectively move the oven door between the open and closed positions. In other variations, the oven includes an oven rack that is moveable between extended and retracted positions by way of a second electric motor.

Abstract: A heating cooking device includes a housing having a wall portion; a first base material provided in at least a portion of the wall portion; and optionally a second base material formed on the first base material; a heat ray reflector formed on the conductive base material, including a first transparent conductive film formed on the first base material and a second transparent conductive film that is provided on the first transparent conductive film, where the second transparent conductive film has a higher heat resistance than that of the first transparent conductive film.

Abstract: A convection oven includes an oven body having a heating chamber heated by a heat source, and a vibration unit mounted at one side of the oven body and vibrating heated air so as to be uniformly distributed within the heating chamber. As the vibration unit vibrates, air within the heating chamber can be fluctuated periodically to promote mixing between more heated air and less heated air to make temperature of air uniform. Accordingly, heat can be uniformly distributed to a cooking target or material, quality of cooking can be improved, and in addition, because cooking time can be shortened, the performance of the oven can be enhanced.

Abstract: A baking oven including an oven muffle which includes at least one thermal heating element and which can be heated to various operational temperatures, i.e. a standard baking and roasting temperature and a high cleaning temperature (pyrolysis). The baking oven also includes a cooling fan arranged downstream from a ventilation shaft in order to guide heated air which is formed away from the inside of the baking oven to the outside thereof. According to the invention, at least one part of the ventilation shaft can be automatically adjusted according to various characteristics of the fan to form various cross-section flows by operation of a freely pivotable flap, in order to dispense with cumbersome conventional control measures.

Abstract: A system for reducing discharges from an oven prior to opening an oven door. In particular, the system includes a housing forming a cooking compartment arranged within the oven. The system also includes a purge passage extending through the housing into the cooking compartment and a cover arranged over a portion of the purge passage to removeably block the purge passage. An expelling port is included that extends from the cooking compartment through the housing. A controller is configured to remove the cover from blocking the purge passage to inject air into the cooking compartment through the purge passage and displace substances within the cooking compartment through the expelling port.

Abstract: In the present invention, a plurality of heat treatment units are arranged side by side in a linear form and a substrate transfer mechanism for transferring the substrate between the heat treatment units is provided in a heat treatment apparatus. The substrate is sequentially heat-treated in the arrangement order, whereby one heat treatment as a whole is dividedly and successively performed in the plurality of heat treatment units. This allows substrates to be heat-treated along the same route and uniforms the thermal history among the substrates. At the time when heat-treating a plurality of substrates the present invention causes less variation in thermal history among the substrates as compared to the case of parallel heat treatments.

Abstract: An apparatus for cooking a food item therein is disclosed. The apparatus has a housing defining an interior and includes at least first and second opposed walls. A rotating member is positioned between the first and second walls of the housing, and the rotating member is capable of engaging and rotating the food item. A drive mechanism is mounted on the apparatus for rotating the rotating member. A heating element is positioned adjacent the second wall of the housing, and a blackbody radiator is positioned between the rotating member and the heating element. The heating element heats a first side of the blackbody radiator and a second side of the blackbody radiator emits radiation in a highly effective wavelength spectrum toward the food item. The apparatus also includes a self cleaning system for cleaning the interior.

Abstract: The present invention provides a cooking heater which continues cooking without apparently stopping the operation of the cooking heater when a door switch is momentarily turned OFF due to a shock during operation of the cooking heater though the door is not actually opened as far as continuation of the OFF-state is within a predetermined range. Upon receiving a door opening signal, a timer of control means starts counting and when a first period lapse judgment section judges that the count time exceeds a first period T1, a central control section instructs a heating means control section to stop the operation of heating means. Then, before the count time is judged to exceed a second period T2, when a second period lapse judgment section receives a door closing signal, the central control section restarts the operation of the heating means and continues the operation of the cooking heater.

Abstract: An electric oven with a door cooling structure includes a cavity formed in the case to provide a high temperature environment, a door for selectively opening and closing the cavity, inner, intermediate and outer panels provided in the door; an airflow shielding panel for blocking a space formed below the intermediate panel to guide introduced air upward; a door cover for blocking a top of the door, which is defined between the inner and outer panels, and a fan for applying negative pressure to gaps defined between the inner, intermediate and outer panels so that the panels can be cooled by the air flowing upward and downward in the gaps.

Abstract: In one embodiment of the present invention, an oven having a flexible and retractable door is described. The oven door is adapted to move from a closed position wherein it effectively closes an open side of the oven box and an open position wherein the door is retracted into the body of the oven, typically below the oven box. In variations, an electric motor is provided to selectively move the oven door between the open and closed positions. In other variations, the oven includes an oven rack that is moveable between extended and retracted positions by way of a second electric motor.

Abstract: An oven includes a baking space lighting system switched off automatically after a predetermined period of operation but automatically switched on again upon actuation of a manually actuated oven element.

Abstract: A switching device for controlling an industrial cooking apparatus having a cooking chamber that can be closed by means of a door having a movable door handle with a movable door latch attached to it, with a switch fixed to the housing and with a magnet for actuating the switch, the magnets being arranged in the movable door latch at a position that is positioned adjacent to the switch in a latched state of the door.

Abstract: An oven has a housing defining a cooking chamber. Guides in the chamber carrying a slidable rack. A door hinged on the housing and pivotal between an open position and a closed position. A linkage between a side wall of the cooking chamber and the housing for automatically ejecting the frame on movement of the door into the open position. The linkage is oriented in a vertical plane and has a lever pivoted in the housing outside the chamber, a link connecting the lever to the door such that the lever pivots when the door is moved between its positions, and a thruster element pivoted between the housing and the chamber and having a first outer part outside the cooking chamber and slidably engaged in a slot of the lever and a second inner part inside the cooking chamber and slidably engaged in an opening of the rack.

Abstract: A cooking device including a cooking area, a door for closing the cooking area and a lighting system for lighting the cooking area. The lighting system includes a light source and at least one reflector arranged in the internal space of the door, which reflects light from the light source into the cooking area. In order to reduce mechanical strain applied to the light source, it is arranged outside the door and emits light towards the reflector inside the door to be reflected into the cooking area.

Abstract: A high altitude oven that includes a baking compartment that includes a pressure maintenance mechanism for maintaining the baking compartment at sea level atmospheric pressure during operation of the oven.

Abstract: A self-supporting removable box-like liner for use in an electric oven that has a heating element supported in a plane and extending across a cooking chamber from one said side wall to the other. The liner has an open the front, a pair of liner side walls and a back wall, and an elongate aperture extending across the back wall and continuing along each liner side wall toward the front to pass over and receive the heating element such that the liner can be inserted into the chamber for use and completely removed for cleaning, without removal of the heating element from the oven.

Abstract: A cooking apparatus, in which lamps are conveniently and quickly replaced, including a lamp assembly having a lamp casing accommodating lamps and covering an irradiation hole formed in a front panel, and a transparent plate completely covering the irradiation hole. The lamp casing is screwed to the front panel, or is hinged to the front panel to allow rotation of the lamp casing. An open bottom of the lamp casing is covered with a lamp cover screwed or hooked to the lamp casing. A front cover is screwed to the front panel to cover the lamp assembly, or is hinged to the front panel to allow rotation thereof.

Abstract: A rack assembly includes a pair of laterally spaced inner rails, wherein each inner rail includes a coating layer configured to withstand a self clean oven temperature, and a pair of laterally spaced outer rails, wherein each outer rail is slidably coupled to a corresponding inner rail, and each outer rail includes a coating layer configured to withstand a self clean oven temperature. The rack assembly also includes a plurality of bearings positioned between the inner rails and the outer rails, a lubricant to facilitate movement between the plurality of bearings and at least one of the inner rails and the outer rails, wherein the lubricant is configured to withstand a self clean oven temperature, and a cooking rack coupled to each inner rail.

Abstract: 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.

Abstract: In one embodiment of the present invention, an oven having a flexible and retractable door is described. The oven door is adapted to move from a closed position wherein it effectively closes an open side of the oven box and an open position wherein the door is retracted into the body of the oven, typically below the oven box. In variations, an electric motor is provided to selectively move the oven door between the open and closed positions. In other variations, the oven includes an oven rack that is moveable between extended and retracted positions by way of a second electric motor.

Abstract: An apparatus for cooking a food item therein has a housing defining an interior and includes at least first and second opposed walls. A rotating member is positioned between the first and second walls of the housing, and the rotating member is capable of engaging and rotating the food item. A drive mechanism is mounted on the apparatus for rotating the rotating member. A heating element is positioned adjacent the second wall of the housing, and a blackbody radiator is positioned between the rotating member and the heating element. The heating element heats a first side of the blackbody radiator and a second side of the blackbody radiator emits radiation in a highly effective wavelength spectrum toward the food item. The apparatus also includes a self cleaning system for cleaning the interior.

Abstract: An oven assembly that includes a first oven cavity including a self-cleaning feature, a first pair of opposing walls, and a second pair of opposing walls, wherein the walls are coupled together to define a first volume within the first oven cavity, and a second oven cavity coupled to the first oven cavity, wherein the second oven cavity includes a first pair of opposing walls and a second pair of opposing walls coupled together to define a second volume within the second oven cavity, each of the first walls includes a slide rail coupled thereto, and a drawer frame slidably coupled to the slide rails and selectively sized to receive a drawer such that the drawer is removable from the second oven cavity and positionable within the first oven cavity to facilitate cleaning the drawer utilizing the self-clean feature of the first oven cavity.

Abstract: A system and method for reflowing lead-free solder to interconnect a plurality of electronic components to a substrate is disclosed. The system includes an oven for preheating the substrate and the plurality of electronic components disposed thereon, and a supplemental heat source disposed in the oven for providing additional heat energy to reflow the solder.

Abstract: The disclosure is directed to a method for cleaning an oven. The method includes placing an oven liner in an oven. The oven liner has a first major surface formed of silicone elastomer and has a second major surface formed of fluorinated polymer. The method further includes cooking food items in the oven and over the oven liner and removing the oven liner.

Abstract: An oven has an insulator placed between an inner cavity and an outer housing. The inner cavity is a one-piece clay pot with the top and bottom having equal inside diameters while the middle portion is larger in diameter, to facilitate heat circulation. The heating elements are connected to an electric circuit and are controlled by a control panel. The control panel has a power switch, a thermostat, a timer, an indicator lamp, and a temperature indicator. The heating elements are circular in shape and are located around the bottom inside of the inner cavity. The oven may be accompanied with accessories for baking and for removing baked dough.

Abstract: A baking system for a plasma display panel which comprises a clean room 1 and a baking furnace having an upper passage 11 for conveying a plasma display panel glass substrate 5 during baking from an inlet 15 of the furnace 3, and a lower passage 13 for conveying the baked substrate 5 in the upper passage 11 towards an outlet of the furnace 3, both of the inlet and the outlet being provided at the same end of the furnace 3, characterized in that only the inlet 15 and the outlet 17 are connected to a clean room 1, while keeping a body thereof outside the clean room 1. Also, there is disclosed a layout method for such a baking system.

Abstract: 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.

Abstract: A cooking appliance includes an exhaust system that substantially eliminates potential smoke generating byproducts carried by oven gases. The cooking appliance includes an oven cavity having a top wall including a recessed portion within which is mounted a broil element. A plurality of openings are formed in the recessed portion that allow exhaust gases to pass into a smoke elimination chamber. Heat generated by the broil element and in the smoke elimination chamber removes substantially all combustion byproducts contained in the exhaust gases. To further remove combustion byproducts, the exhaust gases are passed through a ceramic catalyst prior to being directed into a vent duct. From the vent duct, the exhaust gasses are directed past a blower into an exhaust duct that, ultimately, guides the exhaust gases from the appliance.

Abstract: This invention discloses an electric oven with detachable liners includes a front door, a control panel and a rear shell; inside the rear shell is an inner chamber where an electric heater and a baking rack are installed; wherein, said electric oven further includes at least one piece of detachable liners, each detachable liner is in the shape of plane plate and is detachably installed at the inner side of said inner chamber. By adding the detachable liners, the inner chamber of the electric oven can be always kept clean and new. Besides, it is convenient to put the detachable liners into conventional dish washing troughs or dish washing machines for soaking and cleaning. The present invention is widely applicable to conventional electric ovens by modification of the existing ovens and addition of the detachable liners.

Abstract: A processing system and method for chemically treating a substrate, wherein the processing system comprises a temperature controlled chemical treatment chamber, and an independently temperature controlled substrate holder for supporting a substrate for chemical treatment. The substrate holder is thermally insulated from the chemical treatment chamber. The substrate is exposed to a gaseous chemistry, without plasma, under controlled conditions including wall temperature, surface temperature and gas pressure. The chemical treatment of the substrate chemically alters exposed surfaces on the substrate.

Abstract: A high temperature resistive coating composition includes a pigmenting component, a binder component, and a hardening agent. The pigmenting component includes a spinel of the formula AB2O4, in which A is selected from the group consisting of Mg, Fe, Zn, Mn, Cu and Ni, or a combination thereof, and B is selected from the group consisting of Al, Fe and Cr, or a combination thereof. The binder component of the high temperature resistive coating is preferably a polysiloxane material, such as a silicon resin. Moreover, the hardening agent of the high temperature resistive coating includes a finely powdered material selected from the group consisting of diamond powder, BN, WC, SiC, Al2O3, AlN and SiO2. The resistive coating may be advantageously used for coating the interior of a self-cleaning oven, an oven rack, burner grates, and the like, particularly due to its ability to withstand high temperatures.

Abstract: A safety device of an electric oven is disclosed, which is provided to prevent a door from being open when a temperature inside an oven cavity is high. The safety device includes a hole provided in a front part of an oven cavity forming a cooking room therein; a latch protruding from an inner side of a door opening/closing the oven cavity, for being inserted into the hole when the door is closed; a rotation motor provided in an upper part of the oven cavity; a lever rotatably coupled with an axis of the rotation motor; and a temperature sensor measuring a temperature inside the oven cavity.

Abstract: 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.