Patents Examined by Jason Lau
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Patent number: 12031720Abstract: An object of the present invention is to provide a pulverized coal drying system for a pulverizer, a pulverized coal drying method therefor, a pulverized coal drying program, a pulverizer, and an integrated gasification combined cycle capable of stably drying a carbonaceous feedstock irrespective of the type of the carbonaceous feedstock to be used. There is provided a controller (50) of a pulverizer (10) that dries a supplied carbonaceous feedstock by using a drying fluid and includes a flow rate controller that controls the flow rate of the drying fluid within upper and lower limits of the flow rate of the drying fluid that are set to dry a plurality of types of the carbonaceous feedstock having different moisture contents in such a way that the temperature of the drying fluid discharged from the pulverizer (10) approaches a target temperature.Type: GrantFiled: November 19, 2019Date of Patent: July 9, 2024Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Yuichiro Urakata, Koji Nishimura, Jun Kasai
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Patent number: 12029232Abstract: The present invention relates to an apparatus for drying food products, for example fruit or eggs, comprising; •—a tunnel section as dryer compartment (10) with supply unit and discharge unit for dryer gas, with the dryer gas being blown on the products substantially from above, and •—a roller conveyor (1) with at least one row of supply rollers (3) for thereon conveying wet products in a conveying direction T to, through, and away from the dryer compartment (10), wherein the dryer compartment (10) comprises for the row a corresponding at least one ceiling element (14) with a curvature in line with that of the product, while in the ceiling element (14) at least one slit (15) is provided, directed substantially transversely to the conveying direction T, for blowing in the dryer gas.Type: GrantFiled: June 5, 2019Date of Patent: July 9, 2024Assignee: Moba Group B.V.Inventors: Willem Frans Neels, Willem Henri Hanekamp, Johannes Michiel Maria Bekelaar
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Patent number: 12031717Abstract: A method and apparatus for controlling a process in a system comprising pre-processing of a raw material, processing the pre-processed raw material and acquisition of the result of the processing of the pre-processed raw material, comprising the steps of: capturing input and output variables of the pre-processing; capturing output variables of the processing of the pre-processed raw material; creating a first, second and third process model for at least two different time scales, which describes the effects of adapting the pre-processing of raw material, the effects of adapting the processing of the pre-processed raw material, the effects of adapting the pre-processing of raw material and adapting the processing of pre-processed raw material on the output variables of the processing of pre-processed raw material; wherein the process in the system is controlled using the prediction of the process model which currently provides the best predictions for the process in the system.Type: GrantFiled: November 12, 2019Date of Patent: July 9, 2024Assignee: AIXPROCESS GMBHInventor: Martin Weng
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Patent number: 12007059Abstract: A process is for insulating an appliance, in particular a three-dimensional appliance likely in particular to be exposed to high temperatures, such as a domestic oven. The appliance has one or more internal spaces to be insulated. Flakes and/or nodules of wool(s) and/or fibers, in particular mineral wool(s) and/or fibers, are blown into the space(s) to be insulated without adding binder or water.Type: GrantFiled: July 18, 2017Date of Patent: June 11, 2024Assignee: SAINT-GOBAIN ISOVERInventors: Christophe Bareyt, David Gogeon
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Patent number: 12006246Abstract: A method of producing soot, including: combusting a first fuel stream and a first oxidizer at a burner face; combusting a second fuel stream and a second oxidizer at the burner face, wherein the second fuel stream and the second oxidizer are premixed in advance of the burner face and a second equivalence ratio of the second fuel stream and the second oxidizer is less than about 1; and combusting a silicon-containing fuel into a plurality of soot particles, wherein the second fuel stream and the second oxidizer are combusted between the first fuel stream and the silicon-containing fuel. Applying this method of producing soot to deposit a preform suitable for the manufacture of optical fibers.Type: GrantFiled: December 30, 2021Date of Patent: June 11, 2024Assignee: Corning IncorporatedInventors: Manoj Agrawal, Dale Robert Powers, Fei Xia
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Patent number: 12004623Abstract: A hair dryer is provided that may include a main body including a discharge unit configured to discharge fluid, such as air outside of the main body, and a handle provided at one side of the main body. The discharge unit may include a discharge base inserted into the main body and configured to form a plurality of discharge paths which are separated from each other and through which fluid may flow. The discharge unit may be configured to selectively discharge fluid through one discharge path of the plurality of the discharge paths.Type: GrantFiled: October 21, 2020Date of Patent: June 11, 2024Assignee: LG ELECTRONICS INC.Inventors: Kwangwoon Ahn, Hyunjoo Oh
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Patent number: 11994299Abstract: An oven splatter guard comprising: a flexible screen configured to at least reduce splatter in a working oven wherein the flexible screen is not self-supporting; and a collapsible support means configured to support the flexible screen.Type: GrantFiled: September 27, 2017Date of Patent: May 28, 2024Inventor: Andrew Hood
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Patent number: 11988381Abstract: Apparatus and methods for debinding articles. The apparatus and methods may transform binder from furnace exhaust before the exhaust is discharged to the atmosphere. The apparatus may include a furnace retort and a reactor. The furnace retort may be configured to: exclude ambient air; and receive a carrier gas. The reactor may be configured to: receive from the retort (a) the carrier gas and (b) material removed in the retort from the article; and combust, at a temperature no greater than 750° C., the material. The material may be decomposed binder. The material may be hydrocarbon from binder that is pyrolyzed in the retort. The carrier gas may include gas that is nonflammable gas.Type: GrantFiled: June 10, 2020Date of Patent: May 21, 2024Assignee: Markforged, Inc.Inventors: Michelle Chao, Keith Durand, Rick Bryan Woodruff, Benjamin Hodsdon Gallup
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Patent number: 11976816Abstract: A chemical recovery boilers is described in which the primary air system is reconfigured to provide aggressive charbed control and improved combustion in the lower furnace. The fewest number of primary air ports are used on two opposing walls to generate powerful air jets that penetrate across the boiler providing physical and thermal stability to the charbed while increasing the heat release and combustion stability in the lower furnace, increasing reduction efficiency, and lowering carryover and emissions. Various embodiments are described including operating strategies and multi-level black liquor injection.Type: GrantFiled: March 4, 2021Date of Patent: May 7, 2024Assignee: Sullivan, Higgins, and Brion PPE, LLCInventors: Eugene Sullivan, Daniel R Higgins
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Patent number: 11976822Abstract: A combustion chamber has an inner wall defining an inner chamber. The inner wall is perforated to admit combustion air into the inner chamber. The combustion chamber has an outer wall defining an outer chamber. The outer wall is perforated to admit combustion air from a pressurized air plenum to the inner wall. The inner and outer wall are spaced apart such that air may flow between the inner and outer walls.Type: GrantFiled: February 28, 2020Date of Patent: May 7, 2024Assignee: W.C. Bradley Co.Inventors: Mallik Ahmed, Bruce Roberts, Ramin Khosravi Rahmani, Anthony Hamilton, Sleiman Abdallah
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Patent number: 11971176Abstract: A cooking appliance includes a housing having a cooking compartment, which is surrounded by a bottom surface, a pair of side surfaces, and a back surface of the housing, and has an upper surface and a front surface which are open. A door includes a door upper surface part which covers the upper surface of the housing and a door front surface part which is connected to a front side of the door upper surface part and covers the front surface of the housing and opens and closes the upper surface and the front surface of the housing by rotating about a rear side of the door upper surface part. A heating part is installed in at least one of the housing or the door.Type: GrantFiled: November 7, 2022Date of Patent: April 30, 2024Assignee: LG ELECTRONICS INC.Inventors: Hag Soo Kim, Sung Mun Yoon
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Patent number: 11959639Abstract: The invention is directed to a method for reducing NOx emission from an industrial process furnace comprising a firebox containing a burner and a tube, which method comprises subjecting an oxidant gas and/or a fuel gas (1) to humidification, thereby obtaining a humidified gas; and pre-heating the humidified gas with an external waste heat stream (20) before feeding the gas to the burner.Type: GrantFiled: September 5, 2017Date of Patent: April 16, 2024Assignee: TECHNIP FRANCEInventors: Izaak Jacobus Risseeuw, Johannes Antonie de Jager, Jelle-Gerard Wijnja
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Patent number: 11946643Abstract: An air blowing fan supplies an amount of air corresponding to a fan rotation speed to a burner during operation. A check valve has a biasing force that closes an exhaust vent, and is opened and closed in accordance with a relationship between a gas pressure in an exhaust passage and the biasing force. A controller performs a failure diagnosis for detecting an open failure of the check valve when a phenomenon in which the gas pressure is lower than a predetermined normal pressure range is detected in a case where the fan rotation speed is within a predetermined diagnosis rotation speed region. The diagnosis rotation speed region is set within a rotation speed range in which a degree of opening of the check valve changes with an increase in the fan rotation speed when the check valve is normally opened and closed.Type: GrantFiled: June 19, 2019Date of Patent: April 2, 2024Assignee: NORITZ CORPORATIONInventor: Takahide Hasegawa
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Patent number: 11940153Abstract: A cooking apparatus can include an enclosure defining a heating chamber configured to be heated and used for cooking food, a burn box proximate to the enclosure and which is configured to provide heat to the heating chamber, a hopper fluidly coupled to the burn box and configured to hold fuel, and a fuel conditioner disposed between the hopper and the burner to condition the fuel prior to burning in the burner. The fuel conditioner can be, for example, a wood chipper configured to reduce the size of the fuel.Type: GrantFiled: February 4, 2021Date of Patent: March 26, 2024Assignee: GMG Products, LLCInventors: David Baker, Wang Ping
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Patent number: 11940149Abstract: An elevated flare system in a synthesis gas production plant for thermal disposal of offgases having at least two different contents of carbon monoxide arising in synthesis gas production and/or synthesis gas treatment.Type: GrantFiled: January 12, 2021Date of Patent: March 26, 2024Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventor: Antonio Coscia
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Patent number: 11933496Abstract: A self-generating movable heat source may include a burner, a heat exchanger, a plurality of sets of thermoelectric power generation modules, a plurality of sets of radiators, a shell, a combustion-supporting cooling fan assembly, a thermoelectric power generation module fixed frame, an integrated graphite pad, a plurality of sets of outer hexagonal stud screws, spring pads, nuts, Y-shaped pressing pieces, I-shaped pressing pieces, L-shaped pressing pieces, a power management system, and a lithium battery pack. In one embodiment, the burner, the heat exchanger, the plurality of sets of thermoelectric power generation modules, the thermoelectric power generation module fixed frame, the integrated graphite pad, and the plurality of sets of radiators are sequentially arranged in the shell from the inside to the outside.Type: GrantFiled: August 31, 2023Date of Patent: March 19, 2024Inventor: Qinglong Gao
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Patent number: 11933501Abstract: A cooking appliance includes a housing with a cooktop thereon. An oven is defined within the housing and is accessible via a door. A console extends upward from the cooktop and includes a front side that has a user interface and a rear side that is opposite the front side. A flue is configured to convey air from the oven cavity to the rear side of the console. A flue cover is coupled to the rear side of the console. The flue cover defines a chamber that has open upper and lower ends. The air conveyed from the oven cavity by the flue is configured to flow out of the rear side of the console into the chamber between the upper and lower ends.Type: GrantFiled: November 17, 2020Date of Patent: March 19, 2024Assignee: Whirlpool CorporationInventors: Jessica Buschman, Timothy Patrick VanAntwerp, James R. Chisholm
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Patent number: 11927345Abstract: A method and device for reducing emissions of nitrogen oxides and for increasing heat transfer in a fired process heater is disclosed herein. The invention relates generally to the combustion of fuel using some proportion of air as the oxidant which leads to the production of oxides of nitrogen, and more particularly to a method and device that reduces the production of nitrogen oxides from combustion, promotes the appropriate distribution of temperature to reduce fouling of the process tubes in a fired heater, and increases the efficiency of heat transfer to the same process tubes.Type: GrantFiled: March 2, 2020Date of Patent: March 12, 2024Inventors: Erwin Platvoet, Matthew Martin
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Patent number: 11920784Abstract: Flare gas is recovered by varying a number of ejector legs that depends on a flare gas flowrate. The ejector legs include ejectors piped in parallel, each ejector has a flare gas inlet and a motive fluid inlet. Flare gas and motive fluid is provided to ejectors by selectively opening or closing valves. The number of ejector legs online is varied to accommodate the amount of flare gas. The controller is also programmed to direct signals to actuators attached to the valves to open or close the valves, or to change the capacity of the ejector legs so they can handle changing flowrates of the flare gas. Included is a flare gas storage system with vessels made with flexible material, when flare gas is evacuated from the vessels, pressure in the vessels is maintained by compressing the vessels with an external force.Type: GrantFiled: May 10, 2021Date of Patent: March 5, 2024Assignee: SAUDI ARABIAN OIL COMPANYInventors: Samusideen Adewale Salu, Mohamed Ahmed Soliman, Nisar Ahmad Ansari
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Patent number: 11913589Abstract: Provided are techniques for operating a pipeline that include: determining, based on observed operational parameters of equipment of an upstream process facility, an indirect quality parameter for processed production fluid output from the process facility and routed into a pipeline; determining, based on characteristics of the processed production fluid output from the facility, a direct quality parameter for the processed fluid; determining a quality parameter for the processed fluid defined as the greater of the indirect and the direct quality parameter for the processed fluid; determining, based on the quality parameter for the processed fluid, a model of the pipeline that includes a cumulative water accumulation of a segment of the pipeline; determining, based on the cumulative water accumulation, a water remediation schedule for the segment; and conducting, in accordance with the schedule, a water remediation operation in the segment of the pipeline.Type: GrantFiled: June 22, 2020Date of Patent: February 27, 2024Assignee: Saudi Arabian Oil CompanyInventors: Khaled Khalifah Al-Yousef, Fahad Nasser Al-Homaid, Alya Usama Al-Musabbeh, Ahmad Hussain Al-Zubail, Saad Mousa, Syed Abrar Ahmed