Patents Examined by Kevin P. Kerns
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Patent number: 11717882Abstract: The present invention relates to a method, system, and apparatus for improving the efficiency of a continuous casting operation. A continuous casting mold component described herein includes: a mold wall substrate defining a groove proximate a bottom of the mold wall substrate; a graphite liner having a bottom edge defining a first angled surface and a top edge defining a second angled surface, where the bottom edge is received into the groove of the mold wall substrate; and a clamping element defining an angled clamping surface attached to the mold wall substrate with at least one fastener, where the bottom angled surface of the graphite liner is driven into the groove defined in the substrate in response to the angled clamping surface of the clamping element engaging the second angled surface of the graphite liner and the fastener pressing the clamping element toward the mold wall substrate.Type: GrantFiled: February 18, 2022Date of Patent: August 8, 2023Assignee: WAGSTAFF, INC.Inventors: Craig Cordill, Nicholas Shaber
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Patent number: 11717880Abstract: A method for forming a wax model for the manufacture of turbine blades by lost-wax casting, in which a core is provided, a lower surface shell and an upper surface shell are positioned and bonded on either side of ducts of the core adjacent to the root, the core equipped with the lower surface shell and with the upper surface shell is positioned in an injection mold, wax is injected around the core equipped with the lower surface shell and with the upper surface shell, so as to form a wax model including a blade airfoil and a blade root including a fir tree, the lower surface shell and the upper surface shell being positioned around the core so as to form a portion of the fir tree of the wax model.Type: GrantFiled: June 3, 2020Date of Patent: August 8, 2023Assignee: SAFRANInventors: Ramzi Bohli, Mirna Bechelany, Didier Dangeul, Didier Maurice Marceau Guerche, Alain Armel Le Hegarat, Ngadia Taha Niane
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Patent number: 11712737Abstract: A process for manufacturing a plurality of single-crystal nozzle sectors each including at least a first blade extending between two platforms by lost-wax casting, includes casting a molten metal into a plurality of ceramic molds distributed in a cluster about an axis, and directional solidification of the cast metal in a furnace comprising a radiant heating element configured to be arranged around the cluster, a solidification front of the metal advancing in each mold in a direction parallel to the cluster axis during directional solidification. Each mold of a second shell separate from a first molding shell of the nozzle sector, which delimits a second cavity for molding a dummy blade acting as a heat shield.Type: GrantFiled: March 20, 2020Date of Patent: August 1, 2023Assignee: SAFRANInventors: Ngadia Taha Niane, Saïd Boukerma, Camille Mettoux
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Patent number: 11707777Abstract: A method for recovery of moulding sand from a foundry sand mixture, which includes at least one proportion of moulding material fragments or loose moulding material grains, which accumulates when a cast part is demoulded from a casting mould as a result of the destruction of casting cores which have been formed from the moulding sand and an inorganic binder. The method includes: a) mixing the foundry sand mixture with cleaning water to form a slurry in order to dissolve the inorganic binder residues contained in the foundry sand mixture and optionally present additives from the moulding sand and to rinse them from the foundry sand mixture, and b) separating the cleaning water contaminated with the inorganic binder residues from the moulding sand contained in the slurry, wherein the process temperature of the slurry formed in step a) is 50 to 200° C.Type: GrantFiled: July 1, 2019Date of Patent: July 25, 2023Assignee: Nemak, S.A.B. de C.V.Inventors: Alexander Mokre, Mark Ensinger, Walter Hartl, Viktoria Dargai, Bettina Ritt
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Patent number: 11707779Abstract: A method and casting core for forming a landing for welding a baffle inserted into an airfoil are disclosed, wherein the baffle landing of the blade or vane is formed in investment casting by the casting core rather than by wax, reducing tolerances and variability in the location of the baffle inserted into the cooling cavity of airfoil when the baffle is welded to the baffle landing.Type: GrantFiled: June 29, 2021Date of Patent: July 25, 2023Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventor: Tracy A. Propheter-Hinckley
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Patent number: 11697150Abstract: A production apparatus for short-process metal composite plate manufacturing, the apparatus including a metal supply device including an uncoiler (1), pinch roll (2), shot blasting machine (3), welding device (4), welding pinch roll (5), induction heating apparatus (6), metal delivery machine (7), two crystallization cooling rolls (8), secondary cooling leveling roll (9), rolling mill pinch roll (10), rolling mill (11), on-line cooling apparatus (12), straightener (13), and at least one of a dividing shear (14) and a recoiling machine (15). Also disclosed is a production method for short-process metal composite plate manufacturing. The apparatus and method combine continuous casting, rolling, and heat-treating means for single material production with continuous and large-scale production of composite plate strips, and production efficiency of composite plates is sharply improved.Type: GrantFiled: June 24, 2019Date of Patent: July 11, 2023Assignee: Baoshan Iron & Steel Co., Ltd.Inventors: Qingfeng Zhang, Sihai Jiao
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Patent number: 11684971Abstract: An injection chamber or container for machines for pressure die-casting processes is provided, which is formed by a cylinder (1) includes an external cuff (2) and an internal insert (3), through which passes material that is introduced through an opening (4) and pressure-driven by means of a piston (5) into a mould (6). The internal insert (3) has an outer diameter (d) smaller than the inner diameter (D) of the external cuff (2), there being between the two diameters (d, D), a difference of dimension (a) such that the insert (3) can be inserted into and removed from the cuff (2) directly and cold, that is, without dilating it, and such that the only dilation that the insert undergoes (3), which is caused by the heat of the material to be extruded that passes therethrough when the cylinder (1) is operating, causes the insert to become fixed inside the cuff (2).Type: GrantFiled: November 29, 2019Date of Patent: June 27, 2023Assignee: ALROTEC TECHNOLOGY, S.L.U.Inventor: Jordi Algueró Guasch
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Patent number: 11673186Abstract: The invention relates to a method for manufacturing a metal ingot by continuous casting, comprising the following steps: S1: melting the metal, S2: transferring the liquid metal (2) by pouring it into a crucible (12), S3: moving the base plate (14) of the crucible (12), S4: progressive solidification of the liquid metal (2) from the base plate (14) of the crucible (12), and S5: during the step S3 of moving the base plate (14), applying a compression force to the metal (3) which is present between the base plate (14) and the side wall (13), the compression force being applied along a second axis (X2) parallel to the first axis (X1) so as to deform the metal and to obtain an ingot (3) which has a smaller width (L2).Type: GrantFiled: December 13, 2019Date of Patent: June 13, 2023Assignee: SAFRAN AIRCRAFT ENGINESInventor: Laurent Ferrer
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Patent number: 11673177Abstract: A mold assembly for a hot stamping die is provided. The mold assembly includes a mold having a body defining a cavity and a removable channel insert. The removable channel insert is positioned in the cavity and has a curved shape. The removable channel insert also includes a plurality of projections integrating the insert with the body. The removable channel insert is configured to form inlets and outlets for fluid in the hot stamping die upon removal of the insert.Type: GrantFiled: March 9, 2020Date of Patent: June 13, 2023Assignee: Ford Motor CompanyInventor: Varinder Singh Saini
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Patent number: 11673187Abstract: A method, an apparatus and a computer readable-medium for monitoring a continuous steel casting process where molten steel is poured from a ladle into a tundish to be transferred through an exit nozzle into a mold. The method includes obtaining a critical superheat temperature value for the molten steel; measuring temperature values of the molten steel over a time period; determining superheat temperature values corresponding to the measured temperature values by comparing the measured temperature values with a liquidus temperature of the molten steel; and predicting a forecast time instance when the critical superheat temperature value is reached.Type: GrantFiled: December 19, 2018Date of Patent: June 13, 2023Assignee: HERAEUS ELECTRO-NITE INTERNATIONAL N.V.Inventors: Ben Hale, Philip Hughes-Narborough, Mark Lee, Stephen Pagden
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Patent number: 11660664Abstract: A mold molding apparatus can successively mold casting molds having the necessary casting mold strength, and a method for controlling the mold molding apparatus. A molding sensor measures a pressure of molding sand exerted on a surface of one or both of a pattern plate and a squeeze foot, or on a surface of one or both of a pattern plate and a squeeze board; and a control device that controls operation of the mold molding apparatus based on outputs from the molding sensors.Type: GrantFiled: April 25, 2019Date of Patent: May 30, 2023Assignee: SINTOKOGIO, LTD.Inventors: Shuji Takasu, Takehiro Sugino
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Patent number: 11660666Abstract: A method for producing a strip using a rapid solidification technology is provided. A melt is poured onto a moving outer surface of a rotating casting wheel, the melt is solidified on the outer surface and a strip is formed. A gaseous jet is directed at the moving outer surface and the outer surface of the casting wheel is worked with the jet. The jet comprises CO2 and at least part of this CO2 strikes the moving outer surface of the casting wheel in a solid state.Type: GrantFiled: February 17, 2021Date of Patent: May 30, 2023Assignee: VACUUMSCHMELZE GMBH & CO. KGInventors: Thomas Hartmann, Robert Schulz
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Patent number: 11660660Abstract: Provided is a foundry sand supply device capable of collecting foundry sand at an arbitrary timing. The foundry sand supply device includes a bucket collecting the foundry sand, a bucket drive unit rotatably supporting the bucket and driving the bucket, and a moving unit moving the bucket drive unit close to and away from the foundry sand, and moving the bucket drive unit between a collecting position to collect the foundry sand and a supply position to supply the foundry sand.Type: GrantFiled: August 17, 2020Date of Patent: May 30, 2023Assignee: SINTOKOGIO, LTD.Inventors: Yuichi Ogura, Yasuaki Asaoka, Hisashi Harada
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Patent number: 11660665Abstract: A roller stand for a continuous billet casting machine, having a carrying frame for mounting at least one lower supporting roller and at least two lateral supporting rollers. The lateral supporting rollers are mounted elastically on the carrying frame by means of at least one passive elastic element, and have an amount of elasticity at least in a direction perpendicular to the axes of rotation of the lateral supporting rollers. A method for determining the position and/or the shape of a billet is provided. During passage through at least one roller stand, alterations in the position at least of the lateral supporting rollers relative to a reference are detected and, on the basis of this information, the shape of the billet and/or the position of the billet in relation to the center line of the billet-guide channel are/is determined.Type: GrantFiled: September 18, 2019Date of Patent: May 30, 2023Assignee: PRIMETALS TECHNOLOGIES AUSTRIA GMBHInventors: Lukasz Bilski, Enrico Mayer
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Patent number: 11654477Abstract: Provided is a method for manufacturing an aluminum alloy exterior material for smart devices which is formed not by extrusion or die casting but by a strip casting method using a rotating mold, and an aluminum alloy exterior material manufactured by the method. In accordance with an embodiment, the method includes: preparing a molten aluminum alloy; casting the molten aluminum alloy into a sheet shape using a rotating mold to form an aluminum alloy cast sheet; and anodizing the aluminum alloy cast sheet, wherein in the forming of an aluminum alloy cast sheet, X in Equation 1 below may have a value in the range of greater than 0 and equal to or less than 0.15. X=(WZn+WMg+WCu+WSi)/TC??<Equation 1> Here, WZn+WMg+WCu+WSi is the total content (wt %) of zinc, magnesium, copper and silicon) in the aluminum alloy, and TC is the thermal conductivity (W/m·K) of the rotating mold.Type: GrantFiled: November 1, 2019Date of Patent: May 23, 2023Assignee: KOREA INSTITUTE OF MATERIALS SCIENCEInventors: Yun Soo Lee, Hyoung Wook Kim, Su Hyeon Kim, Kwang Jun Euh
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Patent number: 11649836Abstract: A pressure intensifier device increases pressure in a pressurized fluid chamber of a piston/cylinder unit. The pressure intensifier device has a pressure intensifier cylinder and a pressure intensifier piston, which is guided in an axially movable manner in the cylinder, wherein the pressure intensifier cylinder has an outlet region, an inlet region upstream of the outlet region and a piston guiding chamber, and the pressure intensifier piston has a piston part, which is guided in the piston guiding chamber, and a piston rod, which extends from the piston part to the inlet region, in a maximally retracted release position releases a fluid connection between the inlet region and the outlet region and, in a maximally advanced blocking position, blocks this connection with a free end portion, with which it extends into the outlet region.Type: GrantFiled: December 21, 2020Date of Patent: May 16, 2023Assignee: Oskar Frech GmbH + Co. KGInventors: Norbert Erhard, Peter Maurer
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Patent number: 11648607Abstract: A continuously casting method including arranging temperature measuring elements according to specified conditions, selecting as evaluation targets for temperatures of copper plates on a wide face of mold values measured by the temperature measuring elements arranged closer to a center in a width direction of a cast slab than short sides of the cast slab under continuous casting at levels of 50 mm or more lower in a slab withdrawal direction than a meniscus of a molten steel in a mold, and adjusting a casting condition such that a standard deviation of the values measured over the width direction of the copper plates on the wide face of mold at a same level in the slab withdrawal direction is 20° C. or lower.Type: GrantFiled: February 28, 2020Date of Patent: May 16, 2023Assignee: JFE STEEL CORPORATIONInventors: Akitoshi Matsui, Shugo Morita, Tatsuro Hayashida, Yoshinari Hashimoto, Ryosuke Masuda, Taiga Koriyama, Ryo Morishita
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Patent number: 11642719Abstract: A hybrid casting process for structural components uses a re-usable metallic mold rather than a sand mold to produce more consistent cast components. The hybrid casting process uses a metallic mold coupled to a core mold to produce the near net shape of the cast component. Machining operations are performed on the near net shape cast component to produce a final component that meets tolerances and other specifications of the structural component.Type: GrantFiled: December 17, 2021Date of Patent: May 9, 2023Assignee: Hamilton Sundstrand CorporationInventors: John Joseph Marcin, Darrell J. Holding, Christopher Heinze, Ryan Tonk
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Patent number: 11643990Abstract: A method of forming a thermally isolated exhaust port, the method comprising applying an endothermic material to an exhaust port core in a mold for an engine cylinder head, forming the engine cylinder head with an exhaust port using a casting process, generating, in the cylinder head with the exhaust port during the casting process, nodular graphite iron proximate the endothermic material around the exhaust port core, and forming the thermally isolated exhaust port containing nodular graphite iron in the cylinder head.Type: GrantFiled: September 14, 2022Date of Patent: May 9, 2023Assignee: Deere & CompanyInventor: Jeremy M. Kessens
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Patent number: 11642722Abstract: A fluid blow-out structure of a centrifugal casting device 1, for blowing out a fluid to inner surface of a rotating cylindrical mold 2, including: fluid application outer tube 5 inserted into the mold 2; movable mechanism 6 supporting a base end of the fluid application outer tube 5; outlet 8 through which the fluid is blown out, the outlet 8 provided at a leading end of the fluid application outer tube 5; fluid supply tube 9 inserted in the fluid application outer tube 5 and connected to the outlet 8; and guide mechanism 7 contacting an outer circumferential surface of the fluid application outer tube 5, and guides the fluid application outer tube 5 into and out of the mold 2. The fluid application outer tube 5 includes a resin hollow tube 10 and a metal tube 11 covering outer circumferential surface of the resin hollow tube 10.Type: GrantFiled: December 25, 2019Date of Patent: May 9, 2023Assignee: HONDA MOTOR CO., LTD.Inventors: Yusuke Uchinaka, Suguru Takano
