Class / Patent application number | Description | Number of patent applications / Date published |
034255000 | Radio or high-frequency energy | 19 |
20100058607 | Wood drying - A process for removing water and solutes from the lumens of green wood, while leaving the cell walls throughout the wood uniformly fully swollen, comprises subjecting the green wood to supercritical carbon dioxide. | 03-11-2010 |
20100088920 | Harvest drying method and apparatus - A multi-stage harvest dryer ( | 04-15-2010 |
20100236088 | TIMBER TREATMENT USING RADIO FREQUENCY ENERGY - An RF timber drying apparatus comprises a pair of capacitor plates within the chamber and spaced from each other across the chamber such that a timber load can be contained into the chamber between the capacitor plates, a resonator circuit, and an RF generating circuit with adjustable power output for adjusting the voltage output from the RF generator to compensate for changes in moisture content as the timber dries. | 09-23-2010 |
20110289791 | CARTRIDGE APPARATUS FOR THREE-DIMENSIONAL OBJECT PRINTING - A material supply apparatus for supplying printing materials to a printing system is provided. The apparatus includes a container to store printing material and a source of electromagnetic radiation to cure remnant printing material within the container. The printing system may be a three-dimensional printing system for producing three-dimensional objects. | 12-01-2011 |
20110308101 | High efficiency heat generator - A method for heating a medium that includes an object having a variable weight is provided. The method comprises (A) placing medium including an object having variable weight into a variable enclosure having adjustable dimensions; (B) initiating a heating process by subjecting the medium including the object to a variable AC electrical field; (C) substantially continuously measuring an impedance of medium including the object during the heating process; (D) adjusting dimensions of said variable enclosure to optimize the heating process; (E) adjusting parameters of the variable AC electrical field to optimize the heating process; and (F) controlling the heating process. | 12-22-2011 |
20120291304 | DIELECTRIC DRYER DRUM - A method for heating an object having a variable weight that includes a medium is provided. The method comprises: (A) placing the object having the variable weight including medium into an enclosure; (B) initiating a heating process by subjecting medium including the object having the variable weight to a variable AC electrical field; and (C) controlling the heating process. The object has substantially absorbed medium in a first “cool” state and therefore includes a maximum weight in the first “cool” state due to absorption of medium. The object is substantially free from medium in a second “heated” state due to substantial release of medium from the object, wherein the released medium is evaporated during the heating process. The heating process is completed when the object is substantially transitioned into the second “heated” state. The method further comprises using an air flow having an ambient temperature inside the enclosure to carry away the evaporated medium from the enclosure. | 11-22-2012 |
20130219737 | RF Energy Application to Rotating Chambers - Some exemplary aspects of the invention may be directed to an apparatus for processing an object by RF energy applied at a plurality of excitation setups. The apparatus may include a controller configured to select one or more excitation setups, from among a plurality of pilot excitation setups, for applying RF energy to a rotating chamber; and cause a source of RF energy to apply RF energy at the one or more selected excitation setups, wherein the controller is configured to both select the one or more excitation setups and cause the source of RF energy to apply RF energy to the one or more selected excitation setups at least twice during a single rotation of the rotating chamber. The apparatus may be a dryer. | 08-29-2013 |
20140283406 | RADIO FREQUENCY DRYING OF HARVESTED MATERIAL - One aspect is a material drying system with a conductive bin at least partially filled with harvested material. A frequency generator is configured to generate radio frequency energy and a controller is coupled to the frequency generator for controlling the radio frequency energy. At least one conductive shape located within the harvested material and coupled to the frequency generator and controller. The frequency generator and controller provide the radio frequency energy to the at least one conductive shape such that a system capacitor is formed by the combination of the at least one conductive shape and the conductive bin and with harvested material forming a dielectric therebetween such that friction of water molecules in the harvested material is induced quickening drying thereof. | 09-25-2014 |
20140283407 | RADIO FREQUENCY DRYING OF HARVESTED MATERIAL - One aspect is a material drying system with a conductive bin at least partially filled with harvested material. A frequency generator is configured to generate radio frequency energy and a controller is coupled to the frequency generator for controlling the radio frequency energy. At least one conductive shape located within the harvested material and coupled to the frequency generator and controller. The frequency generator and controller provide the radio frequency energy to the at least one conductive shape such that a system capacitor is formed by the combination of the at least one conductive shape and the conductive bin and with harvested material forming a dielectric therebetween such that friction of water molecules in the harvested material is induced quickening drying thereof. | 09-25-2014 |
20140325865 | DIELECTRIC DRYER DRUM - Methods and apparatus for heating an object | 11-06-2014 |
20140345152 | DRYING APPARATUS AND METHODS AND ACCESSORIES FOR USE THEREWITH - A clothes dryer includes a cavity adapted to receive at least one item of clothing, at least one RF feed which feeds RF energy into the cavity, and a spectral imaging module adapted to provide a spectral image comprising input efficiency to the cavity as a function of frequency. A controller controls one or more characteristics of the RF energy to heat a liquid within and/or on fibers of the at least one item of clothing, in which the controller reduces amounts of energy directed to problem areas in the spectral image. | 11-27-2014 |
20150020403 | METHOD FOR DRYING ARTICLES - A method for drying an article with a radio frequency (RF) applicator having anode elements and cathode elements includes capacitively coupling the anode elements, capacitively coupling the cathode elements, capactively coupling an anode element to a cathode element, and energizing the RF applicator to generate an RF field between anode and cathode elements wherein liquid residing within the field will be dielectrically heated. | 01-22-2015 |
20150047218 | APPLIANCE FOR DRYING ARTICLES - An RF laundry dryer includes, amongst other things, an RF generator, an RF applicator having a perforated body supporting anode and cathode elements, a fan arranged relative to the perforated body to flow or draw air through the perforated body and an electromagnetic shield protecting the fan from the e-field. Both anode and cathode elements are operably coupled to the RF generator to generate an e-field between the anode and cathode upon the energizing of the RF generator. | 02-19-2015 |
20150052774 | METHOD FOR DRYING ARTICLES - An improved method of drying operation for an article using a field of electromagnetic radiation (e-field) generated between an anode element and a cathode element by a radio frequency (RF) applicator between the anode and cathode elements such that liquid in the article will be heated to effect a drying of the article. | 02-26-2015 |
20150052775 | APPLIANCE FOR DRYING ARTICLES - A radio frequency (RF) laundry dryer includes, amongst other things, an RF generator, a drying surface and a Faraday cage enclosing the drying surface. The drying surface on which textiles are supported further includes an RF applicator having an anode and cathode coupled to the RF generator. At least a portion of the cathode substantially encompasses the anode to electrically shield the anode from the Faraday cage ensuring the formation of an e-field between the anode and cathode instead of the anode and the Faraday cage upon energizing the RF generator. | 02-26-2015 |
20150089829 | METHOD AND APPARATUS FOR DRYING ARTICLES - A method and apparatus for drying textile material with a radio frequency (RF) applicator and a controller, the method includes energizing the RF applicator to generate a field of electromagnetic radiation (e-field), measuring a parameter related to the energization of the RF applicator, determining a drying cycle of operation in the controller based on the measured parameter, and controlling the energization of the RF applicator according to the determination of the drying cycle of operation, wherein the textile material is dried. | 04-02-2015 |
20150101207 | METHOD AND APPARATUS FOR DRYING ARTICLES - A method for drying laundry with a radio frequency (RF) applicator having a plurality of baffles on a drum rotatable on a non-vertical axis, an anode element in at least one first baffle and a cathode element in at least one second baffle, the method including capacitively coupling the anode element to the cathode element, and energizing the RF applicator to generate a field of electromagnetic radiation (e-field) between the anode element and the cathode element, wherein liquid in the laundry residing within the e-field will be dielectrically heated to effect a drying of the laundry. | 04-16-2015 |
034256000 | Having additional heating means | 1 |
20140215843 | DRYING PROCESS AND APPARATUS FOR CERAMIC GREENWARE - A method and system for drying a honeycomb structure having an original liquid vehicle content includes exposing the honeycomb structure to a first electromagnetic radiation source until the liquid vehicle content is between about 20% and about 60% of the original liquid vehicle content, exposing the honeycomb structure to a second electromagnetic radiation source different from the first electromagnetic radiation source until the liquid vehicle content is between about 0% and about 30% of the original liquid vehicle content, and exposing the honeycomb structure to convection heating until the liquid vehicle content is between about 0% and about 30% of the original liquid vehicle content. | 08-07-2014 |
034257000 | Having pressure reducing means | 1 |
20140041248 | WOOD DRYING - A process for removing water and solutes from the lumens of green wood, while leaving the cell walls throughout the wood uniformally fully swollen, comprises subjecting the green wood to supercritical carbon dioxide. | 02-13-2014 |