Patents Examined by Kevin E Yoon
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Patent number: 11235377Abstract: Provided is a system for casting molten metals. The system includes a mould comprising a casting cavity having an inlet, and a bore between an upper surface of the mould and the inlet. The system further includes a shroud comprising a funnel and a hollow shaft, wherein the funnel is located outside of the mould, adjacent the upper surface, and the hollow shaft is received within the bore and is moveable therein. A lifting mechanism is located on the upper surface of the mould, the lifting mechanism being operable to lift the funnel of the shroud away from the upper surface for bringing the shroud into engagement with a ladle nozzle. Also provided is a method for casting molten metals using the system.Type: GrantFiled: June 14, 2018Date of Patent: February 1, 2022Assignee: FOSECO INTERNATIONAL LIMITEDInventor: David Hrabina
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Patent number: 11224913Abstract: A holding device for holding a casting core in a casting mold, especially in a die-casting mold, includes a plurality of clamping sections which are positioned in relation to each other in such a way that a clamping region for a casting core is formed.Type: GrantFiled: October 29, 2019Date of Patent: January 18, 2022Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Robert Auer, Matthias Hermsdorf, Dominik Schittenhelm
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Patent number: 11219941Abstract: A permanent mold has a base made of metal. The base has a plurality of first mold portions, which are mutually spaced along a longitudinal axis and which are designed to shape a bearing tunnel of a crankcase. Second mold portions are arranged on the first mold portions and consist of a mold material.Type: GrantFiled: October 11, 2019Date of Patent: January 11, 2022Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Christian Motz, Konrad Reitmeier, Andreas Schrattenberger, Thomas Wagner
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Patent number: 11213886Abstract: A socket installation structure of a refractory article is designed to prevent gas leakage therein. A first flange is provided between an outward end and an inward end of a socket, and a face of the first flange on the side of an inward end thereof is bonded to an article body of the refractory article through a sealing material. Further, a face of the first flange on the side of an outward end thereof faces a metal plate disposed around the outward end or a second flange provided on the side of the outward end, through a low thermally-conductive material layer made of a low thermally-conductive material having a thermal conductivity at room temperature of 40 (W/(m·K)) or less.Type: GrantFiled: September 12, 2018Date of Patent: January 4, 2022Assignee: KROSAKIHARIMA CORPORATIONInventors: Yuuya Uchida, Hirotaka Itou, Yuuji Igawa, Hitoshi Nakamura
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Patent number: 11213882Abstract: A tool for reforming a core pattern. A method of reforming a core pattern comprises opening a core reformer tool. The core reformer tool has a first portion and a second portion facing the first portion. The first portion includes a concave member and a first adjustable pin. The second portion includes a convex member and a second adjustable pin. The method includes positioning the core pattern in the core reformer tool and closing the core reformer tool. The method comprises adjusting at least one of the first adjustable pin and the second adjustable pin to alter a surface of the core pattern. The method includes directing cooling air through the core reformer tool to solidify the core pattern and opening the core reformer tool to remove the core pattern.Type: GrantFiled: April 12, 2021Date of Patent: January 4, 2022Assignee: Chromalloy Gas Turbine LLCInventors: Gerald Clement Dodds, Thomas John Molkentin
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Patent number: 11203057Abstract: The present invention provides a mold casting device including a raising and lowering mechanism that raises and lowers the upper mold; a die plate that is fixed to the upper mold; and a base member that is provided on upper end portions of the raising and lowering mechanism and supports the die plate from below.Type: GrantFiled: October 18, 2018Date of Patent: December 21, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Satoshi Matsumoto, Junji Sugimoto, Yohei Shimokawa, Tomoharu Ogawa, Kazuyuki Tsukamoto, Shinsuke Fujiyama, Toshiya Iwamoto
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Patent number: 11203058Abstract: A method for casting a blade, the blade with an airfoil having: a tip having at least one of a tip pocket and a tip shelf. Each said at least one of a tip pocket and a tip shelf having a base surface and a sidewall surface. The method includes forming a shell, the forming of the shell including shelling a pattern having at least one ceramic casting core; and casting in the shell, the shell having a first portion formed by the at least one ceramic casting core and a second potion formed by applied shell material. For at least a first tip pocket or tip shelf of the least one of a tip pocket and a tip shelf, the at least one ceramic casting core molds the base surface and the sidewall surface and an adjacent portion of at least one of the pressure side and the suction side spanwise inboard of the base surface.Type: GrantFiled: November 20, 2020Date of Patent: December 21, 2021Assignee: Raytheon Technologies CorporationInventor: Lea Dynnette Castle
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Patent number: 11203059Abstract: Provided is a molten material treatment apparatus including: a container having an upper portion, on which a molten material injection part is disposed, and a bottom part in which a hole is formed; a gas injection part attached to the bottom part between the molten material injection part and the hole; a chamber part formed on the upper portion of the container so as to face the gas injection part and having an inside open downward; and a plurality of vertical members disposed so as to cross a plurality of positions of a rotary flow region formed between the chamber part and the bottom part, wherein an inclusion removal efficiency can be improved while maintaining the molten material surface by a method in which a plurality of mutually different rotary flows are generated in a plurality of sections within the rotary flow region and are partially overlapped.Type: GrantFiled: July 12, 2018Date of Patent: December 21, 2021Assignee: POSCOInventors: Hyun Jin Cho, Ju Han Choi, Sang Woo Han, Tae In Chung, Jang Hoon Kim
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Patent number: 11198175Abstract: A casting method includes: forming a seed, the seed having a first end and a second end, the forming including bending a seed precursor; placing the seed second end in contact or spaced facing relation with a chill plate; contacting the first end with molten material; and cooling and solidifying the molten material so that a crystalline structure of the seed propagates into the solidifying material. The forming further included reducing a thickness of the seed proximate the first end relative to a thickness of the seed proximate the second end.Type: GrantFiled: October 2, 2020Date of Patent: December 14, 2021Assignee: Raytheon Technologies CorporationInventors: Dilip M. Shah, Shiela R. Woodard, Steven J. Bullied, Ryan C. Breneman
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Patent number: 11198176Abstract: A method for casting aluminum on a rotor, comprising: installing casting equipment on a casting workbench and storing enough molten aluminum in the casting equipment, wherein the casting equipment comprises an heat preserving furnace and an electromagnetic pump arranged at a side of the heat preserving furnace; assembling a plurality of rotor iron cores with a plurality of dies respectively and preheating outside the casting workbench; installing the plurality of preheated dies on a plurality of liquid outlet gates at a top end of the electromagnetic pump, wherein each liquid outlet gate is matched with a liquid inlet gate of the dies; heating and keeping the installed die in a multi-stage heating mode; controlling the pressurizing pressure of the electromagnetic pump in time-period when the electromagnetic pump is used for casting; and after completing casting, moving the plurality of dies out of the casting workbench to be cooled.Type: GrantFiled: July 15, 2019Date of Patent: December 14, 2021Assignees: FUJIAN PUHUI TECHNOLOGY DEVELOPMENT CO., LTDInventors: Jibo Hou, Hongbin Zhen, Songling Shi
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Patent number: 11192178Abstract: The present disclosure relates to a mold improved to tune the position of an insert pin for forming a hole in a molded article. The mold includes a core forming a cavity corresponding to a molded article, a forming plate accommodating the core, and an insert pin configured to penetrate the forming plate and the core in a first direction to form a hole in the molded article inside the cavity and be movable along the first direction.Type: GrantFiled: September 14, 2018Date of Patent: December 7, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventor: Sang Baek Kim
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Patent number: 11192174Abstract: A side sealing device for a twin-roll continuous casting apparatus, which supplies molten metal to a molten metal pool portion formed by a pair of rotating mold rolls and a pair of side weirs through an immersion nozzle and causes solidified shells to be formed and to grow on peripheral surfaces of the mold rolls to manufacture a cast strip, seals end surface sides of the mold rolls by each side weir. The side sealing device includes a side weir pressing unit that presses the side weir against end surfaces of the mold rolls, and a side weir lifter that pulls the side weir at least upward in a vertical direction.Type: GrantFiled: May 8, 2018Date of Patent: December 7, 2021Assignee: NIPPON STEEL CORPORATIONInventors: Masafumi Miyazaki, Takashi Arai, Kazuya Maruyama, Shuji Wakida, Naoki Kamachi, Masanobu Hayama
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Patent number: 11192176Abstract: A method for improving center segregation and surface crack of continuous casting medium-thick slab of peritectic steel reduces the cooling intensity at the earlier stage of solidification and enhancing the cooling intensity at the final stage of solidification. For example, the cooling water amount of the wide face of the mould is 3400-3600 L/min, and the cooling water amount of the narrow face of the mould is 480-530 L/min. The cooling water amount of the wide face of the foot roller section is 239-298 L/min, and the cooling water amount of the narrow face of the foot roller section is 61-65 L/min. The total cooling water amount of the sector segment is 1517-2166 L/min.Type: GrantFiled: April 8, 2021Date of Patent: December 7, 2021Assignee: UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJINGInventors: Qing Liu, Yanshen Han, Jiangshan Zhang
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Patent number: 11192175Abstract: A side dam for a continuous metal casting apparatus includes an insulator and a belt system having an endless belt. The endless belt includes a belt surface, and the endless belt is movable relative to the insulator such that a portion of the belt surface is configured to face a casting cavity of the continuous metal casting apparatus as the endless belt is moved. In some examples, the endless belt is movable in a plane of motion that is perpendicular to the belt surface.Type: GrantFiled: January 28, 2020Date of Patent: December 7, 2021Assignee: NOVELIS INC.Inventors: James Alan Imthurn, Heinz Werner Becker
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Patent number: 11179768Abstract: A method of making sand casting moulds with a protective coating for a multiple process of reactive moulding of insulation components and products made by filling up a mould cavity with polymer materials, including composites, based particularly on epoxy resins or composites based on cellulose materials, the method wherein the process of infiltration of the mould structure is performed chemically by soaking through the raw mould structure with chemosetting or thermosetting material. The application of a protective layer on external surfaces of a sand casting mould is done by means of any spraying, immersion or deposition method, whereas material with anti-adhesive properties is used for the protective coating in the form of organic chemosetting, thermosetting, light-curing material or in the form of inorganic material, including metal.Type: GrantFiled: November 23, 2020Date of Patent: November 23, 2021Assignee: ABB sp. z o.oInventors: Robert Sekula, Grzegorz Kmita, Andrzej Rybak, Dariusz Bednarowski, Lukasz Matysiak, Radek Javora
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Patent number: 11179772Abstract: A vacuum sensor system includes a vacuum pump, vacuum tank, solenoid valve, filters, vacuum block, sensors, and a central processing unit (CPU). The vacuum sensor system monitors the performance of a vacuum system connected to a high pressure die casting machine to ensure that the components cast in the mold or die will have a greater yield of acceptable parts. More specifically, the vacuum sensor system uses sensors to monitor and analyze the vacuum pressure at multiple locations to determine which components are clogging and causing a loss of vacuum pressure in the system. When the CPU detects an anomaly in the pressure, the CPU provides notification in one or more of the following ways: sending a command to shut down the die casting machine; visual notification on the screen of the CPU; an audible warning signal; a visual notification on a semaphore installed on the machine; and/or an electronic notification to one or more users via email, text, or other form of telecommunication.Type: GrantFiled: June 19, 2020Date of Patent: November 23, 2021Assignee: Midland Technologies, Inc.Inventors: Mark Dana Steen, William Frank Zbaracki, Ray Edwin Hammermeister, Brian Christian Hannah
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Patent number: 11179771Abstract: A semi-continuous casting equipment for thin-walled alloy castings with equal outer diameter, optimized by synergistic action of traveling magnetic fields and ultrasonic wave, includes: a melting and insulation device, a heat insulation panel, a traveling magnetic field generator and a water-cooled crystallizer sequentially positioned on a working platform; an outer mold positioned on the water-cooled crystallizer and sleeved the traveling magnetic field generator; a mold core inside the outer mold defining a casting cavity; a bottom plate below the mold core capable of sliding against and along an inner side of the outer mold; two position control units supported by the working platform; an ultrasonic limit baffle moveably engaged with the position control units; an ultrasonic wave generator affixed on the ultrasonic limit baffle and extended to the casting cavity; a motion system controlling up and down movement of the bottom plate and the position control units through a gear transmission mechanism.Type: GrantFiled: September 20, 2020Date of Patent: November 23, 2021Assignee: Harbin Institute of TechnologyInventors: Yanqing Su, Lei Luo, Liangshun Luo, Liang Wang, Ruirun Chen, Jingjie Guo, Jingsong Hou, Qingfeng Yuan, Chunhui Li
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Patent number: 11180422Abstract: A method of forming a ceramic-metal composite part is described herein. The method includes maintaining molten metal in an interior of a housing in a liquefied state, the interior including a first chamber, a second chamber, and a port defined therebetween. The method further includes sealing the port such that the molten metal in the first chamber is maintained at a first liquid level, suspending a part at a height within the first chamber above the first liquid level, forming a pressure differential between the first chamber and the second chamber, unsealing the port such that molten metal from the second chamber flows into the first chamber, and resealing the port when the molten metal in the first chamber reaches a second liquid level such that the ceramic part is submerged in the molten metal.Type: GrantFiled: October 23, 2018Date of Patent: November 23, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Karl J. Schroeder, Robert Craig De Neff
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Patent number: 11179775Abstract: Disclosed is a flow-controllable tundish structure capable of filtering inclusions in molten steel. The tundish structure comprises a tundish (1), the tundish being divided into three separated cavities which comprise an impact zone cavity (1a) in the middle and pouring zone cavities (1b) at two sides thereof. A long nozzle (2) for pouring is vertically arranged in the center of the impact zone cavity, and molten steel flows down out of the long nozzle for pouring and is injected into the impact zone cavity; and a turbulence suppressor (3) directly facing the long nozzle for pouring is arranged on the cavity bottom under the long nozzle for pouring, and the molten steel flowing down out of the long nozzle for pouring impacts on the turbulence suppressor and is then buffered and mixed.Type: GrantFiled: February 28, 2019Date of Patent: November 23, 2021Assignee: BAOSHAN IRON & STEEL CO., LTD.Inventors: Xufeng Liu, Zhengjie Fan, Jianjun Zhi, Hongguang Zheng
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Patent number: 11173541Abstract: The invention relates to a method for producing a mold part (26, 26?) with a feeder insert arranged in it, with a sprue for liquid metal, for a divisible casting mold for metal casting, with the following steps: producing or providing a mold part (26, 26?) equipped with a closed feeder insert (2, 2?) from a compacted molding material (28), the closed feeder insert (2, 2?) being arranged fixed in place in the compacted molding material (28) of the mold part (26, 26?) and having a feeder opening (10, 10?) connected to regions of the mold cavity (30, 30?) that is to be formed, and opening the closed feeder insert (2, 2?), so that a sprue (32, 32?) for liquid metal is formed.Type: GrantFiled: November 19, 2018Date of Patent: November 16, 2021Assignee: CHEMEX FOUNDRY SOLUTIONS GMBHInventors: Michael Biemel, Heiko Schirmer