Core Removal Patents (Class 164/132)
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Patent number: 12070793Abstract: The casting material may be formed around the casting core using a variety of conventional casting techniques including direct liquid metal infiltration, pressure assisted casting, and centrifugal casting among others.Type: GrantFiled: September 3, 2020Date of Patent: August 27, 2024Assignee: National Technology & Engineering Solutions of Sandia, LLCInventor: Matthew D. Carlson
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Patent number: 11578264Abstract: A light conversion device is disclosed. The light conversion device includes a substrate and a wavelength conversion element (111). The wavelength conversion element (111) includes an inorganic binder, such as sodium silicate. Also disclosed are phosphor wheels and light engines including such phosphor wheels. Further disclosed are high-power laser projection display systems comprising a laser having a power of from about 60 W and about 300 W and a light conversion device. The use of an inorganic binder permits high thermal stability at reasonable cost.Type: GrantFiled: September 20, 2017Date of Patent: February 14, 2023Assignee: MATERION PRECISION OPTICS (SHANGHAI) LIMITEDInventors: Wenbo Zhang, Ying Xu, Michael Newell
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Patent number: 10907478Abstract: A method of manufacturing a gas turbine engine component and the resulting component configuration are disclosed. The method includes providing a ceramic structure including a sacrificial ceramic core. The ceramic structure is inserted into a casting mold. A component material is introduced into the casting mold. The ceramic structure is removed after the component material has solidified to define a casted component having a cooling cavity of a heat exchanger segment formed in the wall structure of the component. The ceramic body of the sacrificial ceramic core defines a plurality of apertures and includes a trailing first pin and a leading first pin. The trailing first pin and the leading first pin are extended away from an inner surface of the body, and the leading first pin is spaced from the trailing first pin and in closer proximity to a leading edge of the body than the trailing first pin.Type: GrantFiled: May 8, 2020Date of Patent: February 2, 2021Assignee: Rolls-Royce North American Technologies Inc.Inventor: Mark O'Leary
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Patent number: 10898766Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion having a toe portion, a heel portion, a top portion, a bottom portion, a rear portion, a first interior cavity portion, and a second interior cavity portion. The second interior cavity portion may include a filler material. Other examples and embodiments may be described and claimed.Type: GrantFiled: August 16, 2019Date of Patent: January 26, 2021Assignee: PARSONS XTREME GOLF, LLCInventors: Robert R. Parsons, Bradley D. Schweigert, Michael R. Nicolette
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Patent number: 10786712Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion having a front portion, a rear portion, a toe portion, a heel portion, a bottom portion, and a top portion. The golf club head may also include inner support portions and a plurality of weight ports. Other examples and embodiments may be described and claimed.Type: GrantFiled: August 13, 2019Date of Patent: September 29, 2020Assignee: PARSONS XTREME GOLF, LLCInventors: Robert R. Parsons, Bradley D. Schweigert, Michael R. Nicolette
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Patent number: 10717262Abstract: Disclosed is a method for unpacking a component 16 manufactured by means of a generative manufacturing process, from a particulate material fill 18. In the method, an auxiliary frame 20 having a vertical circumferential wall structure 22, open downward, is arranged above a vertical circumferential wall structure 12 of a construction box 10. In addition, a construction platform 14 of the construction box 10 is displaced upward, so that the particulate material fill 18 containing the component 16 is transferred from the construction box 10 to the auxiliary frame 20. In addition, the auxiliary frame 20 with the particulate material fill 18 containing the component, and the construction box 10 are moved away from each other, and the component 16 is unpacked from the particulate material fill 18 at least in part and is removed from the auxiliary frame 20.Type: GrantFiled: August 28, 2015Date of Patent: July 21, 2020Assignee: ExOne GmbHInventors: Rainer Höchsmann, Alexander Müller, Sven Klaua, Maximilian Baumann, Wolfgang Seeger, Renate Ratzenberger, Lisa Huber
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Patent number: 10697075Abstract: Duct assembly and method of forming a duct assembly, the method including providing a preform body having an outer surface, disposing the preform body adjacent a sacrificial mandrel such that at least a portion of the preform body abuts an outer surface of the sacrificial mandrel, forming the duct assembly by depositing metal on the outer surface of the sacrificial mandrel and the preform body to define a unitary metallic tubular element with integral preform body and where depositing metal occurs at a temperature that does not damage the sacrificial mandrel, and removing the sacrificial mandrel to define the duct assembly.Type: GrantFiled: March 29, 2018Date of Patent: June 30, 2020Assignee: Unison Industries, LLCInventors: Joseph Richard Schmitt, Donald Lee Templeton, Daniel Dyer, Emily Marie Phelps, Gordon Tajiri
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Patent number: 10697076Abstract: Duct assembly and method of forming a duct assembly, the method including providing a preform having a unitary body with multiple sleeve sections defining multiple apertures, disposing multiple sacrificial mandrel pieces adjacent the preform body such that at least one of the multiple sacrificial mandrel pieces abuts at least one of the multiple sleeve sections, and forming the duct assembly to define a unitary metallic tubular element.Type: GrantFiled: March 29, 2018Date of Patent: June 30, 2020Assignee: Unison Industries, LLCInventors: David William Millward, Donald Lee Templeton, Daniel Dyer, Emily Marie Phelps
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Patent number: 10576534Abstract: A mold for improving solidification speed of an aluminum alloy cast hot section includes a top mold, a side mold and a lower mold, the top mold being arranged at top and configured to complete a back cavity of a wheel, the bottom mold being arranged below the top mold and configured to complete shaping of a front wheel disc of the wheel, the side mold being arranged on side of the top mold and bottom mold, the top mold, side mold and bottom mold jointly surrounding a cast cavity of the aluminum alloy wheel, the center of the top mold includes a step hole through which a shunt cone is mounted, the shunt cone is connected with the top mold by bolts; the upper part of the shunt cone is assembled with the center hole of the top mold of the mold, the two are in zero clearance fit.Type: GrantFiled: December 14, 2018Date of Patent: March 3, 2020Assignee: CITIC Dicastal CO., LTD.Inventors: Kaiqing Wang, Xianyi Xu, Changhai Li
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Patent number: 10507515Abstract: A casting ceramic core includes a ceramic structure having at least one through hole and a plurality of features extending from a main ceramic body. The ceramic body defines a negative space for a casting and a plurality of aligned fibers extending a substantial length of at least one casting feature.Type: GrantFiled: December 7, 2015Date of Patent: December 17, 2019Assignee: United Technologies CorporationInventors: Jesse M. Carr, Michael G. McCaffrey
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Patent number: 10500051Abstract: The invention is directed to a pouch-like construct comprising mammalian tissue which can be used for preventing distension and/or resisting dilation of the heart in a mammal. Preferably, the pouch-like tissue construct has contractile properties. The invention further relates to a method for the preparation of a pouch-like construct comprising mammalian tissue which can be used for the above purposes.Type: GrantFiled: September 21, 2016Date of Patent: December 10, 2019Assignee: UNIVERSITATSKLINIKUM HAMBURG-EPPENDORFInventors: Wolfram-Hubertus Zimmermann, Thomas Eschenhagen, Yalin Yildirim
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Patent number: 10464125Abstract: Methods, assemblies and apparatuses are for forming a cooling jacket in a cast part of a marine engine, for example in a cylinder head for the marine engine. A cooling jacket core comprises a longitudinally elongated first portion that forms a first flow path for conveying cooling fluid through the cast part in a first direction and a longitudinally elongated second portion that forms an opposite, second flow path for conveying cooling fluid through the cast part in an opposite, second direction. At least one bridge integrally supports the first and second portions with respect to each other during casting. At least one plug is configured to fit in the cast part where the bridge was located so as to separate the first and second flow paths from each other while sealing the first and second flow paths from an opposite side of the cast part.Type: GrantFiled: February 23, 2017Date of Patent: November 5, 2019Assignee: Brunswick CorporationInventor: Mark A. Kollock
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Patent number: 10393022Abstract: A cooled gas turbine engine component includes a wall having a plurality of effusion cooling apertures extending there-through from a first surface to a second surface. Each aperture has an inlet in the first surface and an outlet in the second surface. Each aperture includes an inlet portion, a collection chamber, a metering portion, a U-shaped bend portion and a diffusing portion arranged in flow series from the inlet to the outlet. The inlet portion of each aperture is arranged substantially perpendicularly to a surface of the collection chamber. The metering portion of each aperture is arranged to extend longitudinally from a first lateral side of the collection chamber and the diffusing portion of each aperture is arranged at an angle to the second surface. Each outlet has a quadrilateral shape in the second surface of the wall and each outlet is displaced laterally from the metering portion.Type: GrantFiled: October 31, 2016Date of Patent: August 27, 2019Assignee: ROLLS-ROYCE plcInventor: Adrian L Harding
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Patent number: 10300524Abstract: A casting component, in particular for a combustion engine of a motor vehicle, having at least one cavity formed by a lost casting core, where a porous metal body molded in the cavity is formed by the casting core, is disclosed. Furthermore, the casting core for such a casting component is formed by casting a metal, in particular an aluminum alloy, together with a salt. Finally, a method for the production of such a casting component or of such a casting core is also disclosed.Type: GrantFiled: September 3, 2014Date of Patent: May 28, 2019Assignee: Daimler AGInventors: Tilmann Roemheld, Michael Wagenplast
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Patent number: 10294864Abstract: A method for producing a device having at least one internal feature includes manufacturing an internal volume of the internal features out of a first material, disposing the internal volume in a parent material that has a higher melting point than the first material, causing the internal volume to melt within the parent material, and allowing at least a portion of the first material to diffuse into the parent material, thereby leaving behind the at least one internal feature within the parent material.Type: GrantFiled: May 21, 2018Date of Patent: May 21, 2019Assignee: Delavan Inc.Inventors: Sergey Mironets, Matthew Donovan
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Patent number: 10259039Abstract: A method of manufacturing a component that includes providing a core structure, casting a component about the core structure, removing a first portion of the core structure from the cast component, and leaving a second portion of the core structure in the cast component to provide a reduced cross-section in the cast component.Type: GrantFiled: January 16, 2014Date of Patent: April 16, 2019Assignee: UNITED TECHNOLOGIES CORPORATIONInventors: Thomas N. Slavens, Lane Thornton, Sasha M. Moore, Nicholas M. LoRicco
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Patent number: 10189079Abstract: A slide for the high pressure die casting of at least one closed deck engine block having at least one cylinder is disclosed. The slide includes a tool steel portion with reliefs for forming a water jacket surrounding each cylinder. At least one expendable salt core is located in each relief, the salt core having an inner surface and an outer surface with an aperture extending therethrough. The outer surface and inner surface of the salt core is coextensive with an inner surface and outer surface of the tool steel portion. A method for high pressure die casting a closed deck engine block using the disclosed slide and expendable salt cores is also disclosed. The expendable salt cores are separable from the reliefs in the slide, and form bridges or supports across a water jacket to add stiffness and rigidity to the cast engine cylinders.Type: GrantFiled: March 8, 2017Date of Patent: January 29, 2019Assignee: Brunswick CorporationInventors: Terrance M. Cleary, Kevin R. Anderson, Raymond J. Donahue, Alexander K. Monroe, Clayton T. Rasmussen
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Patent number: 10174707Abstract: A tool and a method of forming an engine using the tool are provided. The tool includes an insert and at least one die. The insert is formed by forming an interbore passage between first and second siamesed cylinder liners, casting a lost core, and then casting a metal shell. The insert is positioned into a die of the tool and the engine block is cast. The lost core material may then be removed to provide the cooling jacket. The engine includes a cylinder block with a cooling jacket circumferentially surrounding first and second siamesed cylinder liners intersecting a closed deck face. The cooling jacket has first and second widths in first and second axial sections, respectively. An interbore region of the first and second cylinder liners defines first and second interbore cooling passages spaced apart from the deck face and parallel to one another.Type: GrantFiled: March 9, 2017Date of Patent: January 8, 2019Assignee: Ford Global Technologies, LLCInventors: Clifford E. Maki, Antony George Schepak
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Patent number: 10137335Abstract: Described herein is a golf club head having a body and a high density metal piece integrally embedded within the golf club head body, wherein a gap is disposed between the exterior surface of the high density metal piece and the exterior of the golf club head body and a method of manufacturing thereof.Type: GrantFiled: November 9, 2016Date of Patent: November 27, 2018Assignee: Karsten Manufacturing CorporationInventors: Alex J. Hope, Eric J. Morales, Martin R. Jertson, Trent Li
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Patent number: 10094328Abstract: An exemplary forming assembly includes a mold having a cavity to form a component, and an insert having first, second, and third regions. The first region provides a first passageway opening in the component. The second region provides a second passageway opening in the component. The third region provides a passageway in the component. The insert is rotatable from a first position within the passageway to a second position outside the passageway. An exemplary component forming method includes positioning a material around an insert, curing the material to provide a component, and rotating the insert relative to the component from a first position where at least some of the insert is received within a passageway of the component to a second position where the entire insert is outside the passageway.Type: GrantFiled: July 22, 2016Date of Patent: October 9, 2018Assignee: Ford Global Technologies, LLCInventors: Larry Dean Elie, Timothy J. Potter, Clifford E. Maki
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Patent number: 10036346Abstract: An engine has a cylinder block formed by a block material and defining at least one cylinder. The block defines a lubrication circuit with fluid passages including an inlet passage, a main oil gallery, a crankshaft bearing lubrication passage, and a piston ring lubrication passage. The fluid passages are formed by continuous metal walls in contact with and surrounded by the block material. At least one of the fluid passages is curved. A method of forming a component with an internal pressurized lubrication circuit includes positioning a lost core insert in a tool, with the insert shaped to form a lubrication circuit. The lost core insert has a lost core material generally encapsulated in a continuous metal shell, and at least one curved section. Material is provided into the tool to form a body surrounding the lost core insert thereby forming a component preform.Type: GrantFiled: September 10, 2015Date of Patent: July 31, 2018Assignee: Ford Global Technologies, LLCInventors: Clifford E. Maki, Antony George Schepak, Mathew Leonard Hintzen, Mark W. Thibault
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Patent number: 9895582Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a method may include providing a body portion and a plurality of weight portions. The plurality of weight portions may include a first set of weight portions and a second set of weight portions. Each weight portion of the first set of weight portions may be associated with a first mass, and each weight portion of the second set of weight portions may be associated with a second mass that is less than the first mass. Other examples and embodiments may be described and claimed.Type: GrantFiled: March 1, 2017Date of Patent: February 20, 2018Assignee: PARSONS XTREME GOLF, LLCInventors: Bradley D. Schweigert, Michael R. Nicolette
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Patent number: 9890643Abstract: A method of manufacturing a ceramic core for a blade including a lower part forming a core body, an upper part forming a squealer tip recess and a set of rods for holding the upper part and the lower part together, includes: coating the rods with a material that has a flash point below 1000° C.; positioning the rods in a mold; molding the upper and lower parts by injecting ceramic; firing the ceramic core.Type: GrantFiled: December 20, 2012Date of Patent: February 13, 2018Assignee: SNECMAInventors: Franck Edmond Maurice Truelle, Alain Grandin, Maidin Mougamadou Aboudalcadar
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Patent number: 9839957Abstract: A ceramic core includes sintered ceramic powder and a hole opening on a surface of the ceramic core and having an opening portion with a maximum size of 100 ?m or less. A manufacturing method for a ceramic core includes: preparing an injection molding composition by mixing ceramic powder and a binder; manufacturing a ceramic compact by performing the injection molding of the injection molding composition; and manufacturing a ceramic core by sintering the ceramic compact, wherein cumulative percentage of coarse powder with a particle diameter of more than 50 ?m included in the ceramic powder is 30% or less on an integrated volume particle size distribution curve of the ceramic powder.Type: GrantFiled: September 2, 2014Date of Patent: December 12, 2017Assignee: HITACHI METALS, LTD.Inventor: Hideko Fukushima
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Patent number: 9757800Abstract: In accordance with one aspect of the present embodiment, disclosed is a system and method of processing sand mold castings including the steps of placing a mold on a translation surface of a first conveyor at a first position, the mold including a sand housing having compacted sand that encapsulates a casting. The mold is translated along the translation surface of the first conveyor from the first position towards a second position. Air is directed against the casting and temperature of the air and or casting is measured after the casting is being removed from the sand mold.Type: GrantFiled: August 26, 2013Date of Patent: September 12, 2017Inventor: Jeffrey D. Eagens
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Patent number: 9560399Abstract: Particular embodiments provide a watch list of shows to users. The watch list is personalized for each user. Also, the watch list is dynamically organized to predict an order the user will want to watch the shows. Particular embodiments analyze historical user behavior with respect to the timing for recurring releases of the episodes for shows to determine the order of the shows in the watch list. The watch list is organized in a way that a user may select a “watch all” button where unseen episodes for the shows in the watch list are all played to the user in an order that is predicted to be the order in which the user would want to watch the shows. Providing the watch all button makes it important to predict the order of the shows accurately.Type: GrantFiled: June 12, 2015Date of Patent: January 31, 2017Assignee: HULU, LLCInventors: Ilke Kaya, Devin Elston, Bangsheng Tang, Jinyu Yao, Heng Su, Mingkui Liu, Jordan Kolasinski
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Patent number: 9482103Abstract: An intermediate component with an internal passageway includes a solid metallic additively manufactured component with an internal passageway in a near finished shape. The component has voids greater than 0 percent but less than approximately 15 percent by volume and up to 15 percent additional material by volume in the near finished shape compared to a desired finished configuration. Also included are a ceramic core disposed within the internal passageway of the component and an outer ceramic shell mold encasing an entirety of the component, such that an entire external surface of the component is covered by the outer ceramic shell mold.Type: GrantFiled: May 27, 2016Date of Patent: November 1, 2016Assignee: United Technologies CorporationInventors: John McBrien, Lea Kennard Castle, Brandon W. Spangler, JinQuan Xu
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Patent number: 9463506Abstract: A method of working an additively manufactured part includes applying a layer of wax to a part manufactured with an additive manufacturing process. Then a mold is formed over the layer of wax on the part. The wax is then removed from between the mold and the part. The part is then melted in the mold, and then the part is re-solidified in the mold. Finally, the mold is removed.Type: GrantFiled: April 10, 2015Date of Patent: October 11, 2016Assignee: United Technologies CorporationInventor: JinQuan Xu
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Patent number: 9452474Abstract: A method of manufacturing a replacement body for a component is provided. The method includes the steps of: a) additively manufacturing a crucible for casting of the replacement body; b) solidifying a metal material within the crucible to form a directionally solidified microstructure within the replacement body; and c) removing the crucible to reveal the directionally solidified replacement body.Type: GrantFiled: May 7, 2015Date of Patent: September 27, 2016Assignee: United Technologies CorporationInventor: JinQuan Xu
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Patent number: 9435211Abstract: A method of manufacturing a component includes additively manufacturing a crucible; directionally solidifying a metal material within the crucible; and removing the crucible to reveal the component. A component for a gas turbine engine includes a directionally solidified metal material component, the directionally solidified metal material component having been additively manufactured of a metal material concurrently with a core, the metal material having been remelted and directionally solidified.Type: GrantFiled: May 7, 2015Date of Patent: September 6, 2016Assignee: United Technologies CorporationInventor: JinQuan Xu
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Patent number: 9272312Abstract: A method of cleaning a superplastic-forming or a hot-forming die includes exposing a surface of the die having a lubricant thereon to electromagnetic energy. The electromagnetic energy removes the lubricant without removing an oxide layer between the die surface and the lubricant.Type: GrantFiled: January 2, 2013Date of Patent: March 1, 2016Assignee: The Boeing CompanyInventors: Marc James Petersen, Larry Dean Hefti, Gregory L. Ramsey
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Patent number: 9120144Abstract: A casting core (200) for a twisted gas turbine engine blade, including: an airfoil portion (202) having: an airfoil base end (208), an airfoil tip end (210), a concave side exterior surface (212), a convex side exterior surface (214), a leading edge (204), and a trailing edge (206). The airfoil portion is twisted in a radial direction from the airfoil base end to the airfoil tip end. The airfoil portion includes a first void (220) between the concave side exterior surface and the convex side exterior surface and extending radially to define the shape of a rib of an airfoil to be cast around the core. A first leading edge surface and a first trailing edge surface of the void are twisted from the airfoil base end to the airfoil tip end.Type: GrantFiled: February 6, 2013Date of Patent: September 1, 2015Assignee: SIEMENS AKTIENGESELLSCHAFTInventor: Ching-Pang Lee
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Patent number: 9038706Abstract: A method of forming a cast product (30) by providing a core (52) having a plurality of sections (54) and one or more gaps (55) there-between. The core further includes an insert member (60) spanning the gap (55) between adjacent sections (54). The core (52) is located within a mold (68) and a liquid phase material is introduced into gap (55) between the core sections. The liquid phase material is solidified in the gap so as to form a cast feature of a resulting solid product and the core sections (54) are removed from the solid product (30) such that the insert member (60) remains securely held within the feature (74).Type: GrantFiled: November 24, 2010Date of Patent: May 26, 2015Assignee: ROLLS-ROYCE PLCInventor: Steven M. Hillier
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Patent number: 9022094Abstract: A casting core resulting from alkaline earth metal oxide particles having an average particle size of 0.8-4 mm being dispersed in a water-soluble alkali metal salt matrix. The casting core can be efficiently produced using a method of dispersing alkaline earth metal hydroxide particles having favorable disintegration properties and a particle size in the range of 1-5 mm in a molten water-soluble alkali metal salt, converting to alkaline earth metal oxide particles by means of dehydration, and casting in a mold, cooling, and hardening.Type: GrantFiled: October 10, 2012Date of Patent: May 5, 2015Assignee: Suzuki Motor CorporationInventors: Takafumi Kotani, Yuichi Mizumura, Hikotaro Suzuki, Masaya Nomura
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Publication number: 20150096711Abstract: A composite core for forming a passage in an investment casting mold is provided including a core element. A generally hollow structural element is positioned about an exterior of the core element. The structural element is configured to deform when a force is applied to the structural element. A rigid shell element is integrally formed about the structural element. The shell element is configured to break when the structural element deforms.Type: ApplicationFiled: October 7, 2013Publication date: April 9, 2015Applicant: Sikorsky AircraftInventors: Jonathan Bremmer, Shihong G. Song, Jeffrey G. Sauer, James S. Giampapa
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Patent number: 8992357Abstract: A receiving housing of a hydraulic tensioning device for a traction mechanism drive in an internal combustion engine, having an opening that extends along a longitudinal axis for receiving a piston that is implemented for deflecting a tensioning rail of the traction mechanism drive. The receiving housing is a cast component, and the opening comprises an inner contour having an inner surface that comprises at least first segments and inclines for removing the workpiece from the mold in the opening. The second segments include surfaces that are directed into the inside of the opening and are aligned in parallel with the longitudinal axis. A sliding core is also provided that has an outer contour that is complementary to the inner contour of the opening of the receiving housing and fits into the opening. A traction mechanism drive and tensioning device having a receiving housing of this type are also included.Type: GrantFiled: June 6, 2012Date of Patent: March 31, 2015Assignee: Schaeffler Technologies AG & Co. KGInventor: Michael Kastner
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Publication number: 20140251571Abstract: A casting core resulting from alkaline earth metal oxide particles having an average particle size of 0.8-4 mm being dispersed in a water-soluble alkali metal salt matrix. The casting core can be efficiently produced using a method of dispersing alkaline earth metal hydroxide particles having favorable disintegration properties and a particle size in the range of 1-5 mm in a molten water-soluble alkali metal salt, converting to alkaline earth metal oxide particles by means of dehydration, and casting in a mold, cooling, and hardening.Type: ApplicationFiled: October 10, 2012Publication date: September 11, 2014Inventors: Takafumi Kotani, Yuichi Mizumura, Hikotaro Suzuki, Masaya Nomura
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Patent number: 8820389Abstract: A method for the high pressure die casting of an engine block assembly having at least one cast in place cylinder bore in the engine block and a closed head deck surface, and the resultant engine block are disclosed. This closed deck high pressure die cast engine block assembly will preferably have at least two cast in place cylinder bores in the engine block formed by using a composite core of salt core material supported by at least one cylinder bore to be cast in place. The cylinder bores have a lower outer surface preferably defining at least one surface area that interfaces with the engine block during casting such that the at least one cylinder is cast in place in the engine block. An engine block water jacket—as defined by the salt core portion of the composite core—will preferably provide an open passage between each cylinder bore such that water may flow around and entire outer circumference of the upper outer surface of the cylinder bores.Type: GrantFiled: October 31, 2012Date of Patent: September 2, 2014Assignee: Brunswick CorporationInventor: Mark T. Degler
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Patent number: 8807198Abstract: A method for die casting a component includes inserting at least one sacrificial core into a die cavity of a die comprised of a plurality of die elements. Molten metal is injected into the die cavity. The molten metal is solidified within the die cavity to form the component. The plurality of die elements are disassembled from the component, and the at least one sacrificial core is destructively removed from the component.Type: GrantFiled: November 5, 2010Date of Patent: August 19, 2014Assignee: United Technologies CorporationInventors: Steven J. Bullied, John Joseph Marcin, Dorothea C. Wong
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Publication number: 20140166229Abstract: A refractory metal core for forming internal features in a turbine engine component has a core formed from a refractory metal material; and the core has at least one blended surface on at least one edge of the core.Type: ApplicationFiled: December 19, 2012Publication date: June 19, 2014Applicant: UNITED TECHNOLOGIES CORPORATIONInventors: Albert Rabinovich, Dilip M Shah, Alan D. Cetel, John Joseph Marcin, Max Asterlin
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Process for manufacturing forgings made of light alloy, incorporating solid or thinned-down sections
Patent number: 8701741Abstract: The process includes: definition of the final hollow part in its internal portion after forging with deformation of solid or thinned-down sections; modelling of the solid or thinned-down sections; formation of the thinned-down sections by recyclable single-material cores positioned at places requiring zones with a thinned-down section, and modelling of the cores; after modelling, definition of the semi-finished product and of the cores in their initial forms having a different configuration from the forged cores; after casting of metal around the cores, in the prior initial form, striking of the semi-finished product with its cores resulting in the part and its cores being deformed from their initial shapes to their final shapes; fettling of the burrs; and removal of the cores.Type: GrantFiled: April 5, 2011Date of Patent: April 22, 2014Assignee: Saint Jean IndustriesInventors: Emile Thomas Di Serio, Veronique Bouvier, Romain Epale -
Publication number: 20140060769Abstract: An ingot mold has a body having an open top, a bottom with an opening, and a longitudinal cavity passing through the body. The cavity is defined by a cavity wall extending from the top to the bottom. The cavity wall has a recess adjacent the opening in the bottom of the body. A ceramic insert is positioned within the cavity such that the sidewalls of the ceramic insert are in The recess in the cavity wall.Type: ApplicationFiled: August 30, 2012Publication date: March 6, 2014Applicant: HAYNES INTERNATIONAL, INC.Inventor: Richard Allen Foster
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Patent number: 8662143Abstract: An ingot mold has a body having an open top, a bottom with an opening, and a longitudinal cavity passing through the body. The cavity is defined by a cavity wall extending from the top to the bottom. The cavity wall has a recess adjacent the opening in the bottom of the body. A ceramic insert is positioned within the cavity such that the sidewalls of the ceramic insert are in the recess in the cavity wall.Type: GrantFiled: August 30, 2012Date of Patent: March 4, 2014Assignee: Haynes International, Inc.Inventor: Richard Allen Foster
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Patent number: 8533946Abstract: A crankshaft is cast in a mold to define a plurality of pin bearing journals and a plurality of main bearing journals, at least one of each has a hollow section extending therethrough. A single core is positioned within the mold to form all of the hollow sections. The single core may include a cross-section defining an elliptical shape to form hollow sections having an elliptical cross-sectional shape to further reduce the weight of the crankshaft. The hollow sections are each positioned along a path that minimizes stress within the crankshaft. The path may include a non-linear path relative to a longitudinal axis of the crankshaft or a linear path angled relative to the longitudinal axis to bend or direct the hollow sections away from high stress regions of the crankshaft. The non-circular cross section of the core may spiral about its own axis to maximize mass reduction.Type: GrantFiled: May 15, 2012Date of Patent: September 17, 2013Assignee: GM Global Technology Operations LLCInventors: Dale Edward Murrish, Mark Helmle, Keith Hart, Maurice G. Meyer
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Publication number: 20130092340Abstract: The present disclosure is directed to a refractory metal core for use in forming varying thickness microcircuits in turbine engine components, a process for forming the refractory metal core, and a process for forming the turbine engine components. The refractory metal core is used in the casting of a turbine engine component. The core is formed by a sheet of refractory metal material having a curved trailing edge portion integrally formed with a leading edge portion.Type: ApplicationFiled: December 7, 2012Publication date: April 18, 2013Applicant: UNITED TECHNOLOGIES CORPORATIONInventor: United Technologies Corporation
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Patent number: 8418366Abstract: An internal gear manufacturing method capable of manufacturing time reduction and easy core removal, and a metallic glass internal gear manufactured thereby. A carbon core formed into a shape of an external gear is arranged in a thin, long tubular mold of a length equal thereto with a space extending longitudinally therealong. A molten metal material is pressure-injected under a temperature higher than a melting point thereof into the space between the mold and the core. The molten metal material is resolidified by rapid cooling at or above a critical cooling rate thereof together with the mold and the core. After resolidification of the molten metal material, the core is removed by pulverization or dissolution. Along internal gear formed of the resolidified metal material is cut into a plurality of segments of a prescribed length.Type: GrantFiled: November 27, 2008Date of Patent: April 16, 2013Assignee: Namiki Seimitsu Houseki Kabushiki KaishaInventors: Xinmin Wang, Akihisa Inoue, Yukiharu Shimizu
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Patent number: 8393381Abstract: A cast metal article is formed with an internal cavity. The internal cavity is formed by a ceramic core which is removed from the cast metal article to leave the cavity. The ceramic core is formed with a cavity to facilitate removal of the core from the cast metal article. To remove the core from the cast metal article, the cavity in the core is filled with a leaching liquid.Type: GrantFiled: May 18, 2011Date of Patent: March 12, 2013Assignee: PCC Airfoils, Inc.Inventors: Lawrence D. Graham, James Barrett, Don Deptowicz
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Publication number: 20130025812Abstract: A method of molding a platform opening includes the steps of providing a main body core and a platform core, with the main body core having a portion that forms a portion of the platform. The platform core has at least one side portion that will form a side opening. Molten metal is directed around the cores within a mold and solidifies. The cores are removed, leaving cavities where the cores were within the molten metal, and includes an opening in a side face formed by the side portion of the platform body core. Lost core components are also disclosed and claimed.Type: ApplicationFiled: July 29, 2011Publication date: January 31, 2013Inventors: Steven Taffet, Tracy A. Propheter-Hinckley
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Patent number: 8327911Abstract: One embodiment of the present invention is a unique method for forming a cast porous article. Other embodiments include apparatuses, systems, devices, hardware, methods, and combinations for forming cast porous articles. Further embodiments, forms, features, aspects, benefits, and advantages of the present application shall become apparent from the description and figures provided herewith.Type: GrantFiled: August 9, 2010Date of Patent: December 11, 2012Assignee: Rolls-Royce CorporationInventors: Matthew T. Kush, Max Eric Schlienger, Paul Anthony Withey
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Patent number: 8327916Abstract: An apparatus for core gas removal in a low-pressure cylinder head die casting operation includes an upper die, a lower die, an ejector plate disposed above the upper die to eject a part that has been cast, a plurality of tight plugs fastened into cavities formed in the upper die, and a plurality of clean pins attached to the ejector plate, each clean pin corresponding to a location of one of the tight plugs. The clean pins and the tight plugs have matching geometries. The ejector plate lowers to eject a casted cylinder head from the upper die such that a portion of the clean pins extend axially into the tight plugs to clean core gas residue formed on inner walls of the tight plugs during the casting cycle.Type: GrantFiled: January 14, 2010Date of Patent: December 11, 2012Assignee: Toyota Motor Engineering & Manufacturing North America (TEMA)Inventor: Mark D. Knerr