| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 219698000 | Tunnel furnace | 9 |
| 20150292056 | APPARATUS AND A METHOD FOR TREATMENT OF MINED MATERIAL WITH ELECTROMAGNETIC RADIATION - The present disclosure provides an apparatus for treatment of mined material. The apparatus comprises a source for generating electromagnetic radiation and a microwave inlet region for exposing fragments of the mined material to the electromagnetic radiation. Further, the apparatus comprises a reflective structure adjacent the microwave inlet region and providing, or surrounding, a passage for guiding the fragments of the mined material to the microwave inlet region. The reflective structure is arranged to attenuate penetration of the electromagnetic radiation from the microwave inlet region into the passage during throughput of the fragments of the mined material. | 10-15-2015 |
| 219699000 | With leakage suppression | 1 |
| 20130175261 | MULTI-SLOT MICROWAVE DEVICE AND PROCESSING SYSTEM THEREOF - A multi-slot resonant microwave device comprises a plurality of slot microwave resonator units and at least one microwave emitting source. Each of the plurality of slot microwave resonator unit is defined as a slot resonant cavity. Whenever at least one of the microwave emitting sources emits microwave power into the plurality of slot microwave resonator units, the plurality of slot microwave resonator units resonate simultaneously, and produce an electromagnetic field with the same polarization direction. Therefore, the multi-slot resonator device can deal with large-area microwave heating with greater microwave effect to shorten operating time and accomplish the objective of homogeneous and megathermal microwave heating. | 07-11-2013 |
| 219700000 | Conveyor | 7 |
| 20090206072 | PROCESS AND APPARATUS FOR THE PRODUCTION OF SHORT COOKING TIME RICE - A process for the production of short cooking time rice is characterized by that hulled rice of at least 10% moisture content, if required in packaging suitable for ready cooking, is heat treated for 1 to 30 minutes continuously or interrupted by equal or alternating capacity microwave radiation, to reach maximum 130° C. An apparatus for the production of short cooking time rice comprises a microwave furnace with a tunnel made from a suitable material, wherein the rice packed into packages is movable within the tunnel by a conveyor. Regarding the easy and short process, a remarkable energy safing is possible. | 08-20-2009 |
| 20090283517 | TUNNEL FOR CONDITIONING OF PRODUCTS, ESPECIALLY FOR STERILIZATION OF FOOD IN PREPACKAGED CONTAINERS - Tunnel is provided for conditioning of food products, especially for sterilization of food in containers or vessels of the heat-sealed type, in which the conditioning unit has: 1) an active temperature and pressure control system provided in at least one magnetron supported heating stage, which provides for balancing of the pressure within the heat-sealed vessels or containers; 2) a conveyor which conveys the heat-sealed vessels or containers through the stages along the conditioning unit which contains mechanisms that move the conveyor outside of the conditioning tunnel, and 3) doors operating like check valves that separate the conditioning stages, but still provide for continuous linear feed of products through conditioning tunnel. In preferred embodiment, the conditioning tunnel in includes a plurality temperature sensors, such as linear pyrometers for measuring the temperature of for mapping the temperature of products within the tunnel Moreover, preferably the conveyor is adjustable to move forward and rearward, and the magnetrons, which preferably operate at approximately 915 Mhz and 2400 Mhz, are adjustable to provide a controllable movement and amplitude. A controller is connected to the temperature sensors, conveyor and magnetrons to cause the conveyor to move products forward or rearward, or cause the magnetrons to move the magnetic field relative to the food products to more thoroughly and evenly cook the food products. Movement of the magnetron electromagnetic field and/or conveyor is controlled by software which utilizes the temperature and/or density measurements in a closed loop process to ensure uniform heating of the products. | 11-19-2009 |
| 20100126988 | Apparatus and method for mass sterilization and pasteurization of food products - An apparatus and method for processing food products is provided. The product conditioning system includes an inlet assembly, a pressurizeable tunnel and an outlet assembly. The inlet assembly and outlet assembly include a pair of vertically extending pressure vessels having entry and exit openings which are both sealable by doors to provide liquid and gaseous tight seals. The inlet and outlet assembly pressure vessels further include a pair of vertically extending parallel screws for transporting food products from one end of the pressure vessel to the other. The pressurizeable tunnel includes a heating stage having microwave sources for irradiating food products so as to pasteurize or sterilize prepackaged food. The pressurizeable tunnel further includes a heat maintenance stage and product cooling stage. Both the heat maintenance stage and product cooling stage include vertically extending pressure vessels. Within each pressure vessel, two pairs of parallel rotating screws are positioned for moving food products through a liquid environment at a desired temperature for continued pasteurization or sterilization in the heat maintenance stage, and product cooling within the cooling stage. | 05-27-2010 |
| 20100252550 | High temperature furnace using microwave energy - A microwave furnace that can operate at least 1700° C. having a furnacing chamber within a retaining cavity. The chamber is at least partly surrounded by microwave transparent insulation. At least one susceptor is at least partly between the insulation and the chamber. The susceptor at least in part is a specially formulated sintered coarse grain polycrystalline β alumina capable of absorbing microwave energy from room temperature to its maximum use temperature. The furnace has a power system providing microwave energy to activate the susceptor. A temperature sensor may be provided that has an infrared channeling tube to conduct an infrared signal from the chamber to a pyrometer for converting the infrared signal to an electrical signal proportional to temperature within the microwave chamber. The electrical signal is then used to signal the power supply to control temperature by controlling energy to the susceptor. | 10-07-2010 |
| 20120267360 | ROTARY TYPE MICROWAVE HEATING FURNACE AND HEATING METHOD THEREOF - A rotary type microwave heating furnace of the present disclosure includes a cavity configured to form an airtight space to which the microwave is radiated, a microwave generation apparatus configured to radiate the microwave to the inside of the cavity, a heating element rotatably installed within the cavity in a tilted posture and configured to have the target heating subject received therein, a target heating subject supply apparatus configured to sequentially supply the target heating subjects to the heating element, a heating element rotation apparatus configured to supply power for rotating the heating element, and a control unit configured to control the amount of the target heating subject, supplied from the target heating subject supply apparatus, and the rotary velocity of the heating element performed by the heating element rotation apparatus. | 10-25-2012 |
| 20140103031 | FURNACE SYSTEM HAVING HYBRID MICROWAVE AND RADIANT HEATING - A furnace system for thermal processing of products and materials is disclosed which is particularly useful in processing touch screens for computer tablets and silicon wafers employed in fabricating solar cells. The system employs a hybrid of microwave and radiant heating of workpieces to provide controlled heating of the workpieces. A plurality of susceptors are disposed a furnace chamber. A plurality of microwave sources are arranged to provide microwave radiation in the chamber to uniformly heat workpieces in the chamber and to provide uniform heating of the susceptors. The susceptors are effective upon microwave heating by the microwave sources to provide uniform radiant heating of the workpieces in the chamber. | 04-17-2014 |
| 219701000 | Plural heating zones | 1 |
| 20140166642 | APPARATUS FOR HEATING PLASTICS MATERIAL PRE-FORMS - An apparatus is provided for heating plastics material pre-forms, with a movable carrier on which a plurality of heating devices is arranged; wherein the heating devices are controllable independently of one another and have in each case a heating element as well as at least one regulating element for regulating the heating output; and wherein the heating devices have in each case one heating area inside which the plastics material pre-forms are capable of being heated, as well as a movement device which introduces the plastics material pre-forms into this heating area. Each heating device has associated with it in each case one control device for controlling a heating procedure. | 06-19-2014 |
