| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 219388000 | With means whereby material to be heated may be passed continuously through heated area (e.g., conveyor) | 27 |
| 20080230532 | TORTILLA OVEN - A tortilla oven comprises a housing which encloses upper, center, and lower conveyors. The lengths of the conveyors are individually monitored and adjusted. The interior of the housing is heated by a plurality of the individually regulated burners that extend through the conveyors. Ambient air is directed upwardly along the sides of the housing for temperature control. | 09-25-2008 |
| 20080230533 | Conveyorized oven and method for uniform cooking - A conveyorized oven that provides uniform cooking with control of the heater and/or the conveyor belt speed. The oven includes a controller that monitors power consumption of the heater and uses the power consumption to control the heater and/or the speed of the motor that drives the conveyor belt. The power consumption is monitored by counting the on time cycles of a switch that connects and disconnects the heater to a power main. Changes in the power consumption due to changes in loading are used by the controller to reduce recovery times of the oven temperature to a set temperature by controlling the heater and/or the motor. By using a stepper motor, there is no need for a gear box. | 09-25-2008 |
| 20080296283 | CONTINUOUS INFRARED FURNACE - 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. | 12-04-2008 |
| 20080314892 | RADIANT SHIELD - A radiant shield and a furnace employing a radiant shield for controlled heating and treatment of material using infrared radiation. The furnace is capable of improved temperature control where material treated by the furnace may interfere with the quality of a measured temperature signal and temperature control based on that signal. | 12-25-2008 |
| 20090145890 | Treatment apparatus, treatment method, and storage medium - A treatment apparatus uses an inductive heating method to allow an object to be heated while preventing a treatment chamber from being heated. The treatment apparatus for performing a heat treatment on the object has a treatment chamber and an induction heating coil section. The treatment chamber is capable of accommodating a plurality of objects. The induction heating coil section is wound around an outer circumference of the treatment chamber. The treatment apparatus also has a high frequency power supply and a gas supply unit. The high frequency power supply applies high frequency power to the induction heating coil section. The gas supply unit introduces a necessary gas to the treatment chamber. A holding unit is inserted in and removed from the treatment chamber under the condition that the holding unit holds the object and an induction heating generator adapted to be inductively heated by means of a high frequency wave emitted by the induction heating coil section. | 06-11-2009 |
| 20090184103 | MODULAR PIZZA OVEN KIT, PIZZA OVEN FINGER ASSEMBLY SUPPORT, AND A METHOD OF OPERATING A PIZZA OVEN AT DIFFERENT SPEEDS AND A CONTROL ARRANGEMENT FOR PERFORMING THE METHOD - A modular pizza oven kit, pizza oven finger assembly support, and a method of operating a pizza oven at different speeds and a control arrangement for performing the method. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. ยง1.72( | 07-23-2009 |
| 20100038353 | TRANSVERSE OVEN AND METHOD OF BAKING WORKPIECES - A manufacturing oven for and a method of baking a workpiece presenting a transverse orientation relative to the oven, includes dual radiant and convection heating sources operable to uniformly heat the workpiece by focusing convection heating air towards desirous parts of the workpiece, and preferably includes a chamber, a high emissivity false floor, at least one radiant heating element beneath the floor, at least one reflector beneath each element and configured to redirect radiant heat energy towards the floor, a fresh air heater for delivering fresh heated air into the chamber, an exhaust system for removing heated air and evaporated paint solvents from the chamber, and at least one ceiling fan operable to cause lighter heated air to flow from the ceiling of the chamber and towards the workpiece. | 02-18-2010 |
| 20100301033 | Tunnel Furnace for the Temperature Treatment of Goods - Tunnel kilns serve for the thermal treatment of products in a continuous operation within a production process. The tunnel kilns are usually made up of a number of identical kiln segments, each segment having a blower, heating elements for heating up the fresh air and a common exhaust air line. For the treatment of the products, they are made to pass by either on the suction side or the pressure side of the blower. To reduce the overall volume of such kilns and to save energy, it is proposed to arrange the blower inside the kiln in such a way that it produces a circulatory flow transversely to the direction of continuous transport and to transport the products to be dried through the circulatory flow parallel to one another in the direction of continuous transport both on the pressure side and on the suction side of the blower. These kilns are preferably used in the production of catalytic converters for automotive exhaust for which a catalyst layer applied to monolithic honeycomb bodies has to be dried and calcined. | 12-02-2010 |
| 20110068092 | TRANSPORT APPARATUS - In various embodiments, an apparatus for transporting wafers is provided. The apparatus may include a transport belt configured to transport wafers in a transport direction; wherein the transport belt is provided with supports configured to support the wafers to be transported; wherein the supports are provided with at least one bearing element for compensating for relative movements between the transport belt and the wafer. | 03-24-2011 |
| 20110084056 | OVEN AND PROCESS TO CONTROL THE AIR-FLOW AND AIR-LEAKAGES BETWEEN TWO CHAMBERS - The present invention relates to an oven comprising: a first chamber and a second chambers, which are separated by separation means conveyor means for guiding products from the inlet through these chambers to the outlet, temperature control means for controlling the temperature and/or humidity in each chamber individually using a fluid, respectively, and a passage in the separation means through which the conveyor means are directed from the first chamber to the second chamber. | 04-14-2011 |
| 20110210114 | CONVEYOR OVEN AND METHOD FOR HANDLING HEATED AIR - A conveyor oven includes a housing surrounding an oven chamber having an inlet and an outlet. A conveyor belt moves food product through the oven chamber from the inlet to the outlet. A heated air handling device removes heated air from areas proximal to the inlet and the outlet. | 09-01-2011 |
| 20110210115 | CONVEYOR OVEN WITH DUAL HEATER SOURCES - A conveyor oven and method for cooking various food products using a plurality of different heating sources, thereby avoiding costly and lengthy changeover times between different food products. Infrared heating elements and quartz heating elements are independently controlled so that both can be on at the same time or one on and the other off at the same time. | 09-01-2011 |
| 20120103965 | DIRECT ELECTRICAL HEATING FLOW SYSTEM - A direct electrical heating flow system ( | 05-03-2012 |
| 20120138592 | Mixture of graphite and dielectric particles for heat generation and exchange devices - The present application is directed to a composition for generating heat from an applied current, comprising a mixture of graphite particles and dielectric particles. The graphite particles have a diameter from 1 to 1500 microns. The dielectric particles have a diameter from 1 to 1500 microns. The mixture has a resistivity from 0.015 ohm-meters to 2.3 megaohm-meters. The mixture is incorporated into heat generation devices and exchange devices. The devices include at least one pair of electrodes disposed within the mixture to direct an applied current through the mixture to resistively heat the mixture. | 06-07-2012 |
| 20120181265 | FIRING FURNACE CONFIGURATION FOR THERMAL PROCESSING SYSTEM - A thermal processing system for processing work pieces such as silicon wafers for photovoltaic cells. The system include a firing furnace comprised of upper and lower banks for microzones having infrared lamps in each microzone. The microzone are lined with or formed of a reflective insulative material. Some embodiments of the system of the invention can be used as or in a continuous infrared furnace of oven having a drying, burn-off and firing zone. | 07-19-2012 |
| 20120187105 | Dual Independent Transport Systems For IR Conveyor Furnaces and Methods of Firing Thin Work Pieces - Multi-lane, side-by-side, independently driven transport systems particularly useful for transfer on conveyor belts or finger/chains of thin work pieces, such as silicon wafers, through processing equipment for converting the wafers into solar cells, including UV pre-treaters, dopers, dryers, diffusion furnaces and metallization furnaces. The inventive multi-lane transport systems may employ wire mesh belts having a flying bridge wafer support system comprising longitudinally spaced carrier wire elements that support the wafers at their side edges at only point contacts, by means of opposed, inwardly inclined, downwardly slanted segments or wings. Alternately, finger drives comprising spaced-apart chains having inwardly projecting fingers may be used for transport of the wafers by side edge contact. Friction or sprocket drives having tensioner assemblies associa-ted therewith are used to move the transport belts or finger chains through the furnace zones. Each lane may be independently controlled to provide unique thermal profiles along their processing paths. | 07-26-2012 |
| 20120193345 | TORTILLA CONVEYING SYSTEM FOR SEQUENTIALLY CONVEYING A PLURALITY OF TORTILLAS TO BE WARMED - An improved tortilla conveying system, for sequentially conveying a plurality of tortillas to be warmed, is disclosed. The conveying system provides a stack of tortillas and automatically conveys tortillas sequentially through a tortilla warmer. The tortillas are stored in a container. A dragger at least frictionally engages the top side of the top tortilla, dragging the tortilla off of the top of the container for subsequent heating by a heating element of the tortilla warmer. In some embodiments, the tortilla container can automatically elevate the stack of tortillas, so a top tortilla always remains exposed at the top of the container. In other embodiments, an extractor delivers the tortilla outside of the heating system once the tortilla is sufficiently warmed. The tortillas are warmed in sequence by a heating element, via conduction, convection, and/or radiation. In some embodiments, various components of the conveyer are synchronized, via a gearbox for example. | 08-02-2012 |
| 20120298651 | Apparatus for Forming a Conductive Transparent Oxide Film Layer for Use in a Cadmium Telluride Based Thin Film Photovoltaic Device - Methods for forming a TCO layer on a substrate are generally provided and include sputtering a TCO layer on a substrate from a target including cadmium stannate. A cap material (e.g., including cadmium) is deposited onto an outer surface of an indirect anneal system, and the TCO layer can be annealed at an anneal temperature while in contact with or within about 10 cm of the cap material. An anneal oven is also generally provided and includes an indirect anneal system defining a deposition surface and an anneal surface such that a cap material deposited on the anneal surface of the indirect anneal system is positioned to be in contact with or within about 10 cm of a thin film on the substrate. A cap material source can be positioned to deposit the cap material onto the deposition surface such that the anneal surface comprises the cap material. | 11-29-2012 |
| 20130146580 | HEATER UNIT, FIRING FURNACE, AND METHOD OF MANUFACTURING SILICON-CONTAINING POROUS CERAMIC FIRED BODY - A heater unit includes a power source, a plurality of heaters, and a power supply position-switching device. The power source includes a first power source terminal and a second power source terminal. The plurality of heaters are each connected to one another in series and include a first heater and a second heater. The power supply position-switching device is configured to switch between a first state and a second state. In the first state, the first power source terminal is connected with a first heater terminal of the first heater, and the second power source terminal is connected with a third heater terminal of the second heater. In the second state, the first power source terminal is connected with a second heater terminal of the first heater, and the second power source terminal is connected with a fourth heater terminal of the second heater. | 06-13-2013 |
| 20150048074 | APPARATUS AND METHOD FOR HEATING PREFORMS WITH CHANGED PITCH ON PREFORM DELIVERY - An apparatus for heating plastic preforms comprises a transport device, which transports the plastic preforms along a predefined transport path. The transport device comprises a first circulating transport device and a second transport device; a plurality of first holding elements constructed and arranged on the first transport device for holding the plastic preforms; at least one heating device along the transport path that heats the plastic preforms during a movement of the plastic preforms along the transport path, wherein the transport path has at least one first portion with a first curvature and at least one second portion with a second curvature which differs from the first curvature; and a plurality of second holding elements constructed and arranged on the second transport device for holding the plastic preforms. | 02-19-2015 |
| 20150122794 | TARGETED HEATING OF SUBSTRATE - Systems and methods are provided for applying targeted heat to a web of print media to improve the consistency of the web prior to printing. The system comprises a heater, a sensor, and a controller. The heater is able to apply targeted heat to a web of print media before the web travels through a continuous-forms printer. The sensor is able to measure a level of tension in at least one region of the web. The controller is able to direct the heater to apply a level of heat to the at least one region based on the level of tension. | 05-07-2015 |
| 20150364351 | POST-PROCESSING APPARATUS OF SOLAR CELL - A post-processing apparatus of a solar cell is discussed. The post-processing apparatus carries out a post-processing operation including a main period for heat-treating a solar cell including a semiconductor substrate while providing light to the solar cell. The post-processing apparatus includes a main section to carry out the main period. The main section includes a first heat source unit to provide heat to the semiconductor substrate and a light source unit to provide light to the semiconductor substrate. The first heat source unit and the light source unit are positioned in the main section. The light source unit includes a light source constituted by a plasma lighting system (PLS). | 12-17-2015 |
| 20160060794 | Method and Device for Processing Carbon Fiber Strands - A method and a device are disclosed for heating carbon fiber strands. The method heats a carbon fiber strand by supplying an electric current to the carbon fiber strand. The device is designed to carry out the method. | 03-03-2016 |
| 20160130733 | DISCHARGE NOZZLE PLATE FOR CENTER-TO-ENDS FIBER OXIDATION OVEN - One embodiment is directed to an oven for heating fibers. The oven comprises a supply structure disposed within the oven between first and second ends of the oven. The supply structure comprises a plurality of plenums stacked one above each other with gaps therebetween. The plenums are in fluid communication with a heating system. At least one plenum comprises at least one side wall comprising a plurality of passages formed therein, said at least one plenum configured to direct at least a portion of the heated gas into an interior of the oven from the plurality of passages. Each of the plurality of passages formed in said at least one plenum has a respective tapered cross-sectional shape. | 05-12-2016 |
| 20160150910 | Volumetric Heating Device for Beverage or Food Preparation Machine | 06-02-2016 |
| 20160185529 | SPROCKET DRIVEN CONVEYOR BELT LINK AND CONVEYOR BELT ASSEMBLY - A conveyor belt link that can form a substantially flat, continuous conveyor belt surface when coupled with multiple, identical conveyor belt links. In one embodiment, the conveyor belt link for a conveyor belt assembly comprises a base for carrying an item, the base having a first end, a second end, a first linking member projecting from the base, and a second linking member projecting from the base. The first end of the base terminates at a first angle (relative to a horizontal axis), the second end terminates at a second angle (relative to the horizontal axis), and the first and second angles of the ends are substantially supplementary. The first linking member comprises one of a cylinder and a channel and the second linking member comprises the other of the cylinder and the channel. | 06-30-2016 |
| 20160185530 | EXTRUDED SLAT/LINK CONVEYANCE CHAIN - A conveyor belt system that provides a continuous flat support surface for a food item that grips the food item when compressed against a reactive surface. The conveyor belt system comprises a conveyor belt and a reactive surface, the conveyor belt having a top side and a bottom side, the top side being parallel to the reactive surface and facing the reactive surface. The conveyor belt further comprises a plurality of spaced rods and a plurality of flat metal slats, each slat having a leading edge and a trailing edge relative to a direction of conveyance travel of the conveyor belt, the leading edge of the slat coupled to one of the plurality of rods to provide a hinged joint at the leading edge of the slat. | 06-30-2016 |
