Rotary Pump Patents (Class 99/476)
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Publication number: 20030010221Abstract: 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.Type: ApplicationFiled: June 21, 2002Publication date: January 16, 2003Inventors: Uwe Berger, Hartmut Dittrich, Thomas Metz
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Patent number: 6497907Abstract: The invention relates to a device (1) for producing bakery products (2). It has an oven (4) closed off by a door (5) and a heating device (7) which heats the oven (4). A delivery device (10,31) is also provided for a fluid (11), along with a discharge element (12) arranged in the oven (4), a storage container (22) and a conveyor device (20) for the fluid (11). A sensor (8, 9) is arranged in the oven (4) for detecting at least one actual value for a temperature in the oven (4) and which is connected to a control device (16). The latter is also connected to the heating device (7), the delivery device (10,31) for the fluid (11) and an energy source (21). At least one other sensor (8, 9) is provided in the oven (4) for detecting an actual value of the humidity and is connected, along with a clock timer (30), to the control device (16).Type: GrantFiled: November 17, 1999Date of Patent: December 24, 2002Inventor: Wolfgang Hofer
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Patent number: 6494131Abstract: A treatment device for subjecting food products to a temperature treatment comprises a housing, at least one conveyor, on which the food products can be conveyed along a helical conveying path, as well as air-circulation throughout the treatment device sufficient for causing conditioned air to circulate through the device, an air-conditioning device, in which device, according to the invention, air-distribution device that will allow for distributing the conditioned air via only part of the inside of the helical conveying path are provided on the inside of the conveying belt, which air-distribution device that will be connected to the air-circulation portion of the treatment device. In the device according to the invention, the conditioned air is blown over the products from a limited open area of the air-distribution device on the inside of the helical conveying path.Type: GrantFiled: May 22, 2001Date of Patent: December 17, 2002Assignee: Stork Titan B.V.Inventors: Henricus J. A. van de Vorst, Henricus F. J. M. van der Eerden
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Patent number: 6494130Abstract: A cooking apparatus comprising a heatable component insulated by a heat insulating material, wherein the heat insulating material comprises a plurality of metal sheets that are spaced apart from each other by a separator.Type: GrantFiled: February 4, 2000Date of Patent: December 17, 2002Assignee: The Garland GroupInventor: George T. Brown
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Patent number: 6474222Abstract: A domestic electrical appliance for cooking with steam, having a steam production device (43) composed of a steam reservoir (45) associated with a heating unit (46), a cooking enclosure (41) supplied with steam by the steam production device, and a steam detector (49) associated with elements for reducing the power of the heating unit, the cooking enclosure (41) having at least one exhaust (61, 61′, 62, 62′) to the outside. The cooking enclosure (41) communicates through a descending conduit (63) with a chamber (64) of the appliance in which the steam detector (49) is disposed.Type: GrantFiled: April 24, 2002Date of Patent: November 5, 2002Assignee: SEB S.A.Inventor: Nicolas Pretre
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Patent number: 6457402Abstract: Apparatus for aiding in the ripening of produce that includes a sealed container having a refrigeration unit for supplying conditioned air for cooling produce stored in a container. A gas generator is arranged to mix a ripening gas with conditioned air within the container. A fresh air exchanger is integrated into the refrigeration unit for venting conditioned air from the container to ambient and exchanging the vented air with outside fresh air. The fresh air exchanger is automatically operated by a controller which coordinates the cycling of the gas generator with the exchange of fresh air so that the ripening process can be closely regulated.Type: GrantFiled: February 27, 2002Date of Patent: October 1, 2002Assignee: Carrier CorporationInventors: Jan M. Parker, Michael E. Davis
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Patent number: 6450085Abstract: Apparatus for cooking foods by heating with heat transmitted from outside to a product to be cooked by a current of hot air, wherein, substantially, a hot-air circuit is formed in an enclosed space and the product to be cooked rests on a receiving element (10) for the product to be cooked forming a receiving base (11), wherein air is flowable through the receiving base (11) of the receiving element (10) for the product to be cooked and the hot air is guided so that it flows through the product to be cooked substantially at right angles to the receiving base (11) of the receiving element (10) for the product to be cooked.Type: GrantFiled: September 7, 2000Date of Patent: September 17, 2002Inventor: Gottfried Riesselmann
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Patent number: 6443056Abstract: Apparatus for delivering conditioned air from the mixing chamber of a mobile container into a pair of supply air plenums that extend rearwardly along the side walls of the container. A series of fan units are contained within pods located within the mixing chamber adjacent to the front end of each supply air plenum. The pods are stacked in vertical alignment from the floor of the container to about the height of the container ceiling. Each pod includes two fan units that are contained in separate compartments. Each fan unit can be removed easily from the compartment and each pod unit can similarly be removed separately from the stack to facilitate mounting and removal of the pods as well as the individual fan units.Type: GrantFiled: February 27, 2002Date of Patent: September 3, 2002Assignee: Carrier CorporationInventors: David D. Kiefer, Michael E. Davis, David R. Carey
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Patent number: 6431060Abstract: An enclosed container having an air conditioning unit for providing conditioned air to the mixing plenum of an air handling system for circulating conditioned air through a load of perishable goods stored within the container. An open-sided supply duct is connected to the plenum that runs along the center of the length of the container and a pair of spaced-apart, open-sided return ducts pass along the side walls of the container parallel to the supply duct. A load of perishable goods is stacked between the ducts and blower units are mounted within the return ducts for drawing supply air through the load and returning the air into the mixing plenum at an increased pressure. The return air in the plenum is combined with conditioned air from the refrigeration unit and is circulated back into the supply duct for reuse in the system.Type: GrantFiled: February 1, 2002Date of Patent: August 13, 2002Assignee: Carrier CorporationInventor: August William Gutheim
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Patent number: 6418835Abstract: A rotisserie oven structure includes a main body, an oil-collecting plate, an oil-guidance plate, electric heating tubes, turning trays or a rotary basket, a roasting plate, a top cover, steam-tight silicone straps and a heat circulating box. The heat from the electric heating tubes will flow into the lower inner room of the heat circulating box, and the heat is blown upward to the upper inner room by the reversal rotation of the inner fan. Because of the slope formed at the upper part of the housing and the close contact of flanged ribs and grooves, the heat in the upper part of the housing can be prevented from flowing downwardly, and the heat will flow through the upper series of heat circulating perforations into the interior of the main body so as to make the food be roasted evenly and to shorten the roasting time.Type: GrantFiled: January 30, 2002Date of Patent: July 16, 2002Inventor: Ching-Mei Lin
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Patent number: 6412403Abstract: A freestanding cover for a food tray has a flange section and a support section extending downwardly from the flange section. The support section supports the cover independently of the tray, with the flange section positioned above the tray opening. The freestanding is inserted into a heated compartment in a food warming cabinet and is supported on a shelf mounted in the food warming cabinet. A retainer provided on the cover engages the shelf to prevent the cover from moving forward or backward. With the retainer so engaged, a tray containing previously cooked food portions may be inserted into and removed from a receiving space in the cover, leaving the cover inside of the compartment.Type: GrantFiled: February 29, 2000Date of Patent: July 2, 2002Assignee: Prince Castle, Inc.Inventor: Loren J. Veltrop
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Publication number: 20020073852Abstract: An egg roaster for roasting eggs using an electric heater is disclosed. An internal air circulator is provided in an insulation chamber in which is mounted guide shelves for egg loading and forcing circulation and diffusion of an internal air to evenly roast the eggs. An air discharge unit forceably discharges the internal air to prevent egg burning and dewing from moisturel. An external air influx member administers the supply of external air.Type: ApplicationFiled: October 13, 2001Publication date: June 20, 2002Inventor: Gab Soon Kim
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Patent number: 6405644Abstract: The present invention describes an apparatus useful for maintaining perishable products in a controlled environment as a modular unit. This modular unit, or self-contained apparatus, encompasses all the equipment necessary for installation while offering temperature stability, simplified maintenance requirements, and ultimately, precise control of ripening. Designed for efficiency, typical labor and equipment costs and energy consumption of a ripening room are reduced with the palletized ripening cabinet. The present invention may also be easily adapted for the combination of units or for various temperature requirements and otherwise from pre-cooler to freezer.Type: GrantFiled: October 10, 2001Date of Patent: June 18, 2002Inventor: Robert J. Windecker
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Patent number: 6401600Abstract: A device for the processing of foods, which has a storage container 1 for receiving foods. The storage container 1 is connected, via an outlet opening 20, to an opening 4 of a preparation container 2 which can be closed by a third closing element 3 during the preparation of the foods. The outlet opening 20 of the storage container 1 can be closed by a first closing element 8, which can be moved into an opened and/or closed position by an actuator 14 as a function of a control variable or an amount of food. Only after the preparation of the foods is the preparation container 2 connected, via at least one opening 4, to a collecting container 7, which can be removed by an operator.Type: GrantFiled: December 3, 1999Date of Patent: June 11, 2002Inventor: Rudolf Schleh
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Patent number: 6393969Abstract: An egg roaster for roasting eggs using an electric heater is disclosed. An internal air circulator is provided in an insulation chamber in which is mounted guide shelves for egg loading and forcing circulation and diffusion of an internal air to evenly roast the eggs. An air discharge unit forceably discharges the internal air to prevent egg burning and dewing from moisture. An external air influx member administers the supply of external air.Type: GrantFiled: October 13, 2001Date of Patent: May 28, 2002Inventor: Gab Soon Kim
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Patent number: 6382088Abstract: Dough products are stored in a fermentation chamber on a rack system in which in each of a multiplicity of horizontal planes located one above the other, the palettes carrying the dough products are substantially contiguous and are pushed from rack to rack section from the upstream side to the downstream side upon the insertion of a palette at the upstream side. The empty palettes are recirculated below the palettes carrying the dough products and the displacement is effected solely by pressing of each upstream palette against the next downstream palette.Type: GrantFiled: April 30, 1999Date of Patent: May 7, 2002Assignee: Backerei Brinker GmbHInventor: Bernd Dittrich
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Patent number: 6382087Abstract: In accordance with the present invention, there is provided a coffee bean roaster with recirculated, filtered exhaust airflow. The coffee bean roaster includes a roasting drum sized and configured to receive coffee beans for roasting therein. The roasting drum has a drum airflow inlet and a drum airflow outlet for exhausting airflow from the roasting drum. The coffee bean roaster further includes a blower configured to blow airflow through the drum airflow inlet for venting the roasting drum. The coffee bean roaster includes a fluid filter having a filter airflow inlet and a filter airflow outlet. The filter airflow inlet is in fluid communication with the drum airflow outlet. The fluid filter is configured to filter airflow from the roasting drum. The filter airflow outlet is in fluid communication with the blower for recirculating airflow into the roasting drum.Type: GrantFiled: July 31, 2001Date of Patent: May 7, 2002Inventor: Sadamu Iiyama
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Publication number: 20020036195Abstract: A convection oven is provided with a fan for circulating air in the cooking chamber of the oven. The food is held in a food holder which is attached to but spaced from the inside surface of the oven door. Heating elements are at the top and the bottom of the cooking chamber. A flue opening is in the bottom of the cooking chamber and the heating elements are positioned above the lengthwise lower ends of the flue opening for inducing external air around the lower heating elements and the lower surface of the food and food holder. A method is disclosed for introducing external air into the bottom of a convection heating oven, to cool the lower surface of the food in the oven and provide turbulence to the circulating air for enhancing the cooking of the food.Type: ApplicationFiled: September 12, 2001Publication date: March 28, 2002Inventor: Gerald Loveless
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Publication number: 20020029698Abstract: A treatment device for subjecting food products to a temperature treatment comprises a housing, at least one conveyor means, on which the food products can be conveyed along a helical conveying path, as well as air-circulation means for causing conditioned air to circulate through the device, and air-conditioning means, in which device, according to the invention, air-distribution means for distributing the conditioned air via only part of the inside of the helical conveying path are provided on the inside of the conveying belt, which air-distribution means are connected to the air-circulation means. In the device according to-the invention, the conditioned air is blown over the products from a limited open area of the air-distribution means on the inside of the helical conveying path.Type: ApplicationFiled: May 22, 2001Publication date: March 14, 2002Inventors: Henricus J. A. van de Vorst, Henricus F. J. M. van der Eerden
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Patent number: 6354196Abstract: An apparatus for gas treatment of products rises a housing having top, bottom and side walls; a conveyor belt for transporting the products along a first path in the housing; a tunnel having perforated walls and enclosing the conveyor belt along the first path; a gas circulation device communicating with the tunnel via the perforated walls for circulating gas into the tunnel in the form of gas jets impinging upon the products carried by the conveyor belt, and out of the tunnel in a return channel back to the gas circulation device; and a gas conditioning device positioned in the return channel. At least one substantially vertical part of the connecting walls of the high-pressure chamber is removable so as to provide access to the inside of the pressure chamber, and at least one of the side walls of the housing along the high-pressure chamber may be movable so as to widen the space between at least one wall and the high-pressure chamber.Type: GrantFiled: July 19, 2001Date of Patent: March 12, 2002Assignee: Frigoscandia Equipment A/SInventors: Jonny Malmberg, Per Blixt, Jon A Hocker, Rick Wilson
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Patent number: 6342262Abstract: The device includes an oven, the inside of which is a space designed to hold food to be cooked and which is designed to generate saturated steam inside this space. The device also includes a dosing appliance for water which presents a duct which passes through one of the walls of the oven. In this duct, there are valves to control the supply of water into the cooking space. The outlet of this device is directed towards a heating element which is also located in the cooking space. The device also includes a steam condenser which is connected to the cooking space.Type: GrantFiled: December 29, 1999Date of Patent: January 29, 2002Assignee: Menu System AGInventor: Ernst Wuest
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Patent number: 6336299Abstract: A storage floor air vent may comprise at least two vent walls positioned in substantially parallel relation to thereby define a channel; a plurality of angular baffle members, each angular baffle member composed of two segments forming an apex therebetween; the plurality of angular baffle members positioned in between the at least two vent walls in a linear arrangement, with each apex facing upward proximal the top end of each of the at least two vent walls, and each angular baffle member is positioned a distance apart from the adjacent angular baffle member to thereby define an orifice between the segment ends of adjacent angular baffle members.Type: GrantFiled: August 21, 2000Date of Patent: January 8, 2002Inventor: Steven D. Wixom
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Patent number: 6327969Abstract: A device for cooling and/or heating objects, in particular edible cakes and pastries, has a cylinder into which air is blown and flows out of holes. The cylinder is associated to a spiral conveyor upon which the objects can be carried past their holes.Type: GrantFiled: March 20, 2000Date of Patent: December 11, 2001Assignee: KMB Productions AGInventor: Josef Knobel
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Patent number: 6318246Abstract: Disclosed is a steam generating mechanism in a cooking oven equipped with a heater and a fan for blowing a hot air into a chamber of the oven, said steam generating mechanism further comprising: a water-supply receiver guide attached integrally to a fan guard which is detachably mounted in the front face side of said fan; and a water-supply unit for supplying water to the water-supply receiver guide when the need arises, wherein the water supplied into the water-supply receiver guide is guided toward the suction side of the fan, sucked by the fan together with the air inside the chamber, and dispersed toward the heater, so that the water may be heated by the heater to be formed into steam, which is then blown into the chamber of the oven.Type: GrantFiled: April 12, 2001Date of Patent: November 20, 2001Assignee: Fujimak CorporationInventors: Kei Fukushima, Hiroshi Matsuo
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Patent number: 6320165Abstract: Embodiments of the present invention can be used in situations in which heat and mass-transfer modified product, such as individual-sized pizzas, are to be prepared in relatively short periods of time, for example in one to five minutes. Through structural design features and air manipulation, embodiments of the invention provide distinct advantages over the prior art, including improving quality control by increasing uniformity of heating across the oven and within each particular product, decreasing required baking time by increasing the effectiveness of impinging air jets through air pulsation and fluctuation, and maintaining uniformity of air flow to contact the baked product substantially perpendicular to its surface. Tubes or pipes possessing impingement nozzles permit the use of compressed air instead of fans. Embodiments of the invention permit more compact oven design, better control of air jet parameters, and quieter oven operation, and other advantages.Type: GrantFiled: March 23, 2000Date of Patent: November 20, 2001Assignee: Pizza Hut, Inc.Inventor: David Z. Ovadia
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Patent number: 6318245Abstract: A cooking device has a cooking chamber, a ventilation device in the form of a ventilating fan wheel or the like and a heating device plus a catalyst. Air from the cooking chamber, including greasy vapors, odor particles, and/or hydrocarbons, can be directed in a finely-atomized form onto the catalyst by the ventilation device. The catalyst purifies the air directed thereon and releases energy in the form of heat during purification, which heat can be distributed inside the cooking chamber by the ventilation device.Type: GrantFiled: June 13, 2001Date of Patent: November 20, 2001Assignee: Rational AGInventors: Wilfried Durth, Peter Wiedemann, Gerd Funk
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Publication number: 20010032549Abstract: Disclosed is a steam generating mechanism in a cooking oven equipped with a heater and a fan for blowing a hot air into a chamber of the oven, said steam generating mechanism further comprising: a water-supply receiver guide attached integrally to a fan guard which is detachably mounted in the front face side of said fan; and a water-supply unit for supplying water to the water-supply receiver guide when the need arises, wherein the water supplied into the water-supply receiver guide is guided toward the suction side of the fan, sucked by the fan together with the air inside the chamber, and dispersed toward the heater, so that the water may be heated by the heater to be formed into steam, which is then blown into the chamber of the oven.Type: ApplicationFiled: April 12, 2001Publication date: October 25, 2001Inventors: Kei Fukushima, Hiroshi Matsuo
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Patent number: 6299922Abstract: An apparatus for puffing granular material, in particular cereals and legumes, has a heating apparatus for preheating the granular material and a puffing reactor for puffing the material. For effective, fast, and uniform heating of the material, it is proposed that: the heating apparatus have a free jet fluidized bed without a flow impact floor in which a batch of the material to be heated can be acted upon, in a preheating operation synchronized with the puffing process and proceeding batchwise, by a heat-carrying gaseous medium.Type: GrantFiled: October 19, 1999Date of Patent: October 9, 2001Inventor: Rudolf Bichsel
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Publication number: 20010025571Abstract: Dough products are stored in a fermentation chamber on a rack system in which in each of a multiplicity of horizontal planes located one above the other, the palettes carrying the dough products are substantially contiguous and are pushed from rack to rack section from the upstream side to the downstream side upon the insertion of a palette at the upstream side. The empty palettes are recirculated below the palettes carrying the dough products and the displacement is effected solely by pressing of each upstream palette against the next downstream palette.Type: ApplicationFiled: April 30, 1999Publication date: October 4, 2001Applicant: BERND DITRICHInventor: BERND DITTRICH
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Patent number: 6279464Abstract: A cooking appliance (100) comprising a housing (10) providing a cooking chamber (12), a cooking mechanism associated with the cooking chamber (12) for cooking food therein, and a peltier unit (20) arranged to alter the temperature of the interior of the cooking chamber (12). The peltier unit (20) comprises a peltier device (30) having first and second metal parts which form a junction therebetween and are associated with the interior and exterior of the cooking chamber (12) respectively. In a cooling mode, the peltier device (30) is operable to, upon the passage of an electrical current across the junction in one direction, absorb heat by the first metal part and liberate heat by the second metal part, such that the interior temperature of the chamber (12) may be lowered to facilitate the storage of perishable food.Type: GrantFiled: September 26, 2000Date of Patent: August 28, 2001Assignee: Front Direction Industrial LimitedInventors: Hou On Lo, Yee Koo Chen
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Publication number: 20010015140Abstract: A housing of a device for the treatment of gases hotter than the ambient temperature, in particular flue gases, comprises an exterior frame made of supports. At the interior side of said frame an insulating wall is arranged which comprises an interior side metal sheet and an exterior side metal sheet, wherein insulating material having an extremely low heat conductivity is arranged between said metal sheets.Type: ApplicationFiled: February 20, 2001Publication date: August 23, 2001Inventor: Klaus-Dieter Buck
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Patent number: 6267046Abstract: There is provided an apparatus for steaming food contained within a perforated food basket. The apparatus includes a convector that urges steam upward and having an exit that permits steam to pass therethrough and out of the apparatus, a removable lid for sealing the exit, a steam chamber defined within at least one perforated food basket for receipt of food. The at least one perforated food basket is positioned below the convector and above a heater for providing steam to the steam chamber. The apparatus also comprises a receiving portion for receiving a water reservoir, a timer, and a tilt top housing.Type: GrantFiled: February 28, 2000Date of Patent: July 31, 2001Assignee: Conair CorporationInventor: David J. Wanat
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Patent number: 6267045Abstract: The invention relates to a cooking device with a cooking chamber, a heating device, a circulating system, an energy storage and extraction system and a measuring and regulating system connected to the heating device, the circulating system and the energy storage and extraction system.Type: GrantFiled: January 9, 2001Date of Patent: July 31, 2001Assignee: Rational AGInventors: Peter Wiedemann, Peter Kohlstrung
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Patent number: 6260479Abstract: Control of the roasting fluidized bed of coffee. It is governed by determining when the pyrolysis of the roasted batch is at its peak. The roasting is then stopped after a predetermined period of time. The following of the commencement of pyrolysis accurately and uniformly determines the starting period for the timing of the stoppage of the process to obtain uniform roasting result. The process is not vulnerable to variations in roasting such as moisture, temperature of the roasting air etc. Air circulation control conduit is provided with a vent port for gases and an inlet port for fresh air, the two ports can be simultaneously opened or closed while the control conduit is simultaneously closed or opened, respectively. Additional air circulation and discharge systems are disclosed and claimed.Type: GrantFiled: March 30, 2000Date of Patent: July 17, 2001Inventors: Jaromir Friedrich, Raymond Lemaire
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Patent number: 6250207Abstract: A chamber serving for a heat treatment of a particular food product, which for example can be pre-processed potato pieces which are to be prepared as French fried potatoes, and therefore have a content of evaporable substances, such as fat. In the chamber is a grid for, during operation, carrying the product, and one or more quartz lamps for generating heat for the process. The chamber is furthermore fitted with an exhaust channel which via a filter device connects the chamber to the open. Above the grid is placed a cabinet which is open at the bottom, for mounting the quartz lamps. The cabinet is via an inlet duct connected to the open. In the inlet duct is placed a ventilator for sending an air flow into the cabinet via the inlet duct. The air acts as a shield which keeps for example fat vapors at a distance so that they cannot come into contact with the quartz lamps and disintegrate in the high temperature of these.Type: GrantFiled: November 12, 1999Date of Patent: June 26, 2001Assignee: PLF International A/SInventor: Ejner Björn Hansen
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Patent number: 6250215Abstract: An ingredient housing system with entry window includes operating elements for providing an evenly heated humid air supply to food products, especially food ingredients, and utilizes any combination of air curtain fans, dry heating elements, water temperature probes, air temperature probes, air humidity probes, and a control computer. A source of vaporizing or hot moisture may include a water tank, inlet water lines, water inlet valves, wet heating elements, water level sensors, lower drain valves and the control computer. A connector and vane enables control of moist vapor within the ingredient housings, and distributed control of the vapor source and one or more housings and other component users of hot vapor may be had.Type: GrantFiled: January 16, 2001Date of Patent: June 26, 2001Inventor: Eric Walter Brenn
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Patent number: 6244168Abstract: A treatment device for subjecting food products to a temperature treatment comprises a housing, at least one conveyor, on which the food products can be conveyed along a helical conveying path, as well as air-circulation throughout the treatment device sufficient causing conditioned air to circulate through the device, and an air-conditioning device, in which device, according to the invention, air-distribution device that will allow for distributing the conditioned air via only part of the inside of the helical conveying path are provided on the inside of the conveying belt, which air-distribution device that will be connected to the air circulation portion of the treatment device. In the device according to the invention, the conditioned air is blown over the products from a limited open area of the air-distribution device on the inside of the helical conveying path.Type: GrantFiled: April 27, 1999Date of Patent: June 12, 2001Assignee: Stork Titan B.V.Inventors: Henricus J. A. van de Vorst, Henricus F. J. M. van der Eerden
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Patent number: 6237469Abstract: A gas powered pressureless steam cooker comprises at least one cooking compartment having a steam inlet, at least one steam generator located in close proximity to the cooking compartment, and a connector device means connecting a steam outlet of the steam generator to the steam inlet of the cooking compartment. The steam generator comprises at least one inshot gas burner, and an integrated heat exchanger unit/firebox within a water reservoir, the integrated heat exchanger unit/firebox being in heat exchange relationship with water within the water reservoir to create steam from water. The heat exchanger unit comprises a substantially S-shaped tube having a lower horizontal leg, a middle horizontal leg, an upper horizontal leg, a lower vertical web spacing the lower horizontal leg below the middle horizontal leg, and an upper vertical web spacing the middle horizontal leg below the upper horizontal leg.Type: GrantFiled: May 3, 2000Date of Patent: May 29, 2001Assignee: Crown Food Service Equipment Ltd.Inventors: Josef Stritzl, Alexander Abidor, Edward A. Mueller
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Patent number: 6201217Abstract: A counter-top electric oven is provided that includes a number of features that prevent overheating of the components of the oven. These features include an actively cooled fan chamber, a hot gas vent, a cooling manifold that directs cooling air to cool the cooking enclosure and hot gas vented from the hot gas vent, and a base with thermally insulated supports for a metallic oven pan of the cooking enclosure.Type: GrantFiled: April 12, 1999Date of Patent: March 13, 2001Assignee: Heartware Home Products, Inc.Inventors: Jung S. Moon, Rong Liu, Alan R. Kelley
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Patent number: 6198076Abstract: A non-recirculating convection oven includes an upper housing portion defining a food heating chamber. The upper housing portion includes a removable lid, to access the food heating chamber. At least one exhaust air outlet allows air to exhaust to an exterior of the upper housing portion. A food supporting tray is positioned in the food heating chamber, with the tray including a solid food supporting portion. A lower housing portion below the upper housing portion includes an intake air inlet for intake air, and a blower assembly for heating the intake air and delivering it to the food heating chamber wherein the intake air enters the lower housing portion at the intake air inlet, and the intake air is then heated to a temperature of at least 250° F. The heated air exits the food heating chamber at the at least one exhaust air outlet, wherein none of the heated air is recirculated within the oven to the blower assembly.Type: GrantFiled: November 17, 1999Date of Patent: March 6, 2001Assignee: National Presto Industries, Inc.Inventors: Vernon D. Moen, Matthew J. DeWitte, Lawrence J. Tienor
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Patent number: 6182558Abstract: A bagel making apparatus for making bagels at home either by baking or boiling the dough.Type: GrantFiled: July 7, 2000Date of Patent: February 6, 2001Inventor: Richard Marchione
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Patent number: 6125737Abstract: A baking pot comprises a casing, an inner pot, an electric heating tube, a fan, a protecting disk and a web type pot body. The casing has an opening at top thereof and is installed with an upper cover. The inner pot is installed within the casing. The electric heating tube is fixed within the inner pot. The fan is installed within the inner pot; and is driven by a proper dynamic force. The protecting disk is fixed within the inner pot, and is positioned atop the electric heating tube and the fan The web type pot body installed on the protecting disk. By above structure, a baking pot is formed, which is suitable for baking potato strips, potato blocks, chicken blocks, or other freezing foods.Type: GrantFiled: February 17, 2000Date of Patent: October 3, 2000Inventor: Kwei Tang Chang
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Patent number: 6123014Abstract: Disclosed is a disassemblable oven roaster. The disassemblable oven roaster comprises a geared motor having a main shaft to a free end of which a fan is mounted and a reduction shaft to a free end of which a roasting spit is connected; a motor housing for accommodating the geared motor; an intermediate supporting member detachably and horizontally coupled to the motor housing for supporting a roasting heater and the roasting spit which are disposed therein in a manner such that they are spaced apart from each other by a predetermined distance, the intermediate supporting member having opened upper and lower ends; and upper and lower oven elements covering the opened upper and lower ends, respectively, of the intermediate supporting member, the upper and lower oven elements being configured so that they can be separated from the intermediate supporting member.Type: GrantFiled: January 6, 2000Date of Patent: September 26, 2000Assignees: Jong-Yeon Jo, Sang-Hun ParkInventor: Jong-Yeon Jo
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Patent number: 6116154Abstract: A system is provided for manually manipulating a food pan in a food warming apparatus having an open front end communicating with an interior warming compartment. A wire form pan holder cradles the food pan and moves the pan into and out of the warming compartment through the open end of the warming apparatus. A wire form grate is provided in the warming compartment for guiding the pan holder into and out of the compartment. The pan holder has a handle projecting forwardly thereof. First complementary interengaging stops between the wire form grate and the wire form pan holder define an inner position of the pan holder. Second complementary interengaging stops between the grate and the pan holder define an outer position of the pan holder.Type: GrantFiled: August 10, 1999Date of Patent: September 12, 2000Assignee: Prince Castle Inc.Inventor: Dennis J. Vaseloff
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Patent number: 6112644Abstract: A coffee bean roaster having an annular coffee bean receptacle, an air passageway extending from a source of outside air to the annular coffee bean receptacle, and a fan positioned in the air passageway operative to draw air from the outside source through the air passageway and into the annular coffee bean receptacle. An air heater is positioned in the air passageway so as to heat air propelled through the air passageway by the fan prior to entering the annular coffee bean receptacle. A chaff receptacle is positioned adjacent the annular coffee bean receptacle so as to receive chaff from beans roasted in the annular coffee bean receptacle and an air exhaust passageway extends from the annular coffee bean receptacle to a region proximate to the chaff receiving receptacle and is operative to establish an exhaust air flow that carries the chaff to the chaff receptacle.Type: GrantFiled: November 30, 1998Date of Patent: September 5, 2000Inventor: Eugene Song
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Patent number: 6101925Abstract: A humidity device for an oven is composed of a reservoir in the oven having connected at its bottom to one end of a heating piper, the other end of the heating pipe is connected to a first end of a universal coupling which has a second end connected to the top of the reservoir, respectively, while a third end of the universal coupling is connected to a nozzle pipe, wherein the heating pipe is capable of vaporizing water flow in the pipe and the vapor goes through third end of the universal coupling into the nozzle pipe and spreading into the oven, whereas the water drops are collected by the reservoir through the second end of the heating pipe.Type: GrantFiled: October 12, 1999Date of Patent: August 15, 2000Assignee: Lundar Electric Industrial Co., Ltd.Inventor: Tony Hsu
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Patent number: 6090423Abstract: A method for roasting legumes such as soybeans to enhance their nutritional properties. Raw legumes are introduced to a roaster having an oven section and a steeping section downstream of the oven section. The raw legumes are heated to a selected roasting temperature in the oven section as they are moved through the oven section to and through the steeping section. Throughout the passage of the legumes through the oven and steeping sections the legumes are mixed continuously.Type: GrantFiled: May 6, 1999Date of Patent: July 18, 2000Inventor: Clifford C. Wetzel
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Patent number: 6089145Abstract: The invention concerns an apparatus for cooking food. There is a plastic housing with air flow holes, heating elements, a metal conductive pan with additional holes to allow airflow to enter the cooking chamber, a cylindrical riser, and a lid.Type: GrantFiled: July 26, 1999Date of Patent: July 18, 2000Inventor: Lance Watson
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Patent number: RE37238Abstract: The present invention relates to an apparatus for roasting raw coffee beans which apparatus can instantly roast a small quantity of raw coffee beans according to personal taste and provide a unique taste and fragrance of coffee, and in particular to an apparatus suitable for home use. The apparatus has a roasting vessel for containing raw coffee beans to be roasted. A plurality of air openings are provided for creating a whirling vertical motion to a heated airstream ascending therethrough, whereby the raw beans are roasted and also caused to have their hulls separated and caused to ascend upwardly with the airstream to a hull-receiving vessel.Type: GrantFiled: October 14, 1998Date of Patent: June 26, 2001Assignee: Hearthware Home Products, Inc.Inventor: Eugene Song
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Patent number: RE36941Abstract: The oven of the present invention is a low profile, dual .[.conveyer.]. .Iadd.conveyor .Iaddend.oven including an oven cabinet, two closely spaced .[.conveyers.]. .Iadd.conveyors .Iaddend.and an air heating and circulation system. The .[.conveyers.]. .Iadd.conveyors .Iaddend.and the oven cabinet are adapted so that the .[.conveyers.]. .Iadd.conveyors .Iaddend.can be easily removed .[.from the.]. from the front or side of the oven cabinet. The oven cabinet houses the .[.conveyers.]. .Iadd.conveyors.Iaddend., ducts and manifolds which all can be easily removed for cleaning or other maintenance. Each of the .[.conveyers.]. .Iadd.conveyors .Iaddend.include separately controlled drive motors capable of driving .[.the.]. each of .[.conveyers.]. .Iadd.conveyors .Iaddend.at different speeds and in different directions.Type: GrantFiled: July 13, 1999Date of Patent: November 7, 2000Inventors: Ronald D. Wolfe, Dwane D. Wolfe