| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 164122000 | Controlling solidification (other than ambient cooling) | 45 |
| 20080283211 | DIRECTIONAL SOLIDIFICATION METHOD FOR INCESSANTLY PRODUCING THE POLYSILICON INGOT AND THE RELATIVE INGOT CASTING PPARATUS - The present invention pertains to a method for incessantly producing polysilicon ingots, especially fabricated of an equality polycrystalline material. It contains a metallurgical method for continuously producing large amount of polysilicon ingot made by metal silicon, further comprising the steps of aligning empty graphite molds on furnace cars; preheating the molds in the preheating area; pouring the liquidized silicon into the preheated molds; transporting the molds filled with liquidized silicon from the high-temperature area, thence to a medium-temperature area, and then to a low-temperature area for solidifying the liquidized silicon into crystallized silicon; cooling the crystallized silicon until reaching the room temperature by the assistance of a shroud in a rotary conveyer track, thus generating an integral polysilicon ingot. The apparatus comprises a body, a chamber, a track, cars, a front and rear auxiliary cars, a rotary conveyer track, a propulsion apparatus, and an adjusting system. | 11-20-2008 |
| 20100132907 | METHOD AND APPARATUS FOR PRODUCING AMORPHOUS RIBBON - A method and apparatus are provided for producing an amorphous ribbon by ejecting and rapidly solidifying molten alloy on a circumferential surface of a rapidly rotating cooling roll, wherein the cooling roll is polished online during amorphous ribbon production. When the circumferential surface of the cooling roll after peeling off the ribbon is polished using a polishing member, the circumferential surface of the cooling roll is polished continuously or intermittently across its lateral direction while differentiating the polishing mode in accordance with the surface properties. | 06-03-2010 |
| 20100139884 | Casting mould for casting a cast part and use of such a casting mould - The present invention relates to a casting mould for casting a casting, in particular an engine block for a combustion engine, as well as to the use of such a casting mould, comprising mould parts | 06-10-2010 |
| 20100288461 | WEAR-RESISTANT ALUMINUM ALLOY FOR CASTING ENGINE BLOCKS WITH LINERLESS CYLINDERS - An aluminum-silicon alloy composition is disclosed which meets the manufacturing and performance conditions for linerless cylinder engine block casting using low-cost casting processes such as silica-sand molds. The alloy of the invention comprises in weight percent:
| 11-18-2010 |
| 20110094701 | METHOD AND APPARATUS FOR FORMING A CASTING - A casting chamber configured to form a casting from molten material includes an outer mold, a plurality of inner core elements, and a surface portion of a thermal chill device. The thermal chill device includes first and second interchangeable elements with the surface portion of the thermal chill device including one of a first surface portion of the first interchangeable element and a second surface portion of the second interchangeable element. The first surface portion of the first interchangeable element includes an insulating material and the second surface portion of the second interchangeable element comprising a metallic material. | 04-28-2011 |
| 20110108230 | METHOD OF CASTING METAL ARTICLES - During casting of metal articles, a mold is moved into a body or bath of molten metal. The mold is moved into a container which contains a portion of the body of molten metal. Heat is transferred at a first rate from the mold to a first portion of the body of molten metal disposed above the container. Heat is transferred at a second rate from the mold to the second portion of the body of molten metal at least part of which is disposed in the container. The container retards movement of molten metal relative to the mold to effect an increase in the temperature of the molten metal in the container and thereby retards transfer of heat from a portion of the mold disposed in the container to the body of molten metal. The mold enters the container through an opening at the upper end portion of the container. One or more additional openings may be provided at the lower end portion of the container. | 05-12-2011 |
| 20130032305 | HOMOGENIZATION AND HEAT-TREATMENT OF CAST METALS - A method of casting a metal ingot with a microstructure that facilitates further working, such as hot and cold rolling. The metal is cast in a direct chill casting mold, or the equivalent, that directs a spray of coolant liquid onto the outer surface of the ingot to achieve rapid cooling. The coolant is removed from the surface at a location where the emerging embryonic ingot is still not completely solid, such that the latent heat of solidification and the sensible heat of the molten core raises the temperature of the adjacent solid shell to a convergence temperature that is above a transition temperature for in-situ homogenization of the metal. A further conventional homogenization step is then not required. The invention also relates to the heat-treatment of such ingots prior to hot working. | 02-07-2013 |
| 20130068411 | Aluminium-Copper Alloy for Casting - An aluminium-copper alloy comprising substantially insoluble particles which occupy the interdendritic regions of the alloy, provided with free titanium in quantity sufficient to result in a refinement of the grain structure in the cast alloy. | 03-21-2013 |
| 20150352631 | Method and Casting Mould for the Manufacture of Cast Parts, in Particular Cylinder Blocks and Cylinder Heads, with a Functional Feeder Connection - The present invention relates to a method for casting of cast parts in which molten metal is poured via a feeder, separate runners, or casting channels into a mould cavity defined by a casting mould and modeling the shape of the cast part, whereby the casting mould includes mould parts which determine the shape of the cast part to be cast. Molten metal is conveyed via at least two connections into at least two sections of the mould cavity which correspond to different planes of the part to be cast. At least one of the connections is designed as an additional channel leading through one of the mould parts and independent of the contour of the cast part to be cast. The present invention also relates to a casting mould as described above. | 12-10-2015 |
| 164122100 | Unidirectional solidification | 11 |
| 20080257517 | MOLD ASSEMBLY FOR USE IN A LIQUID METAL COOLED DIRECTIONAL SOLIDIFICATION FURNACE - A mold assembly for a liquid metal cooled directional solidification furnace having a cooling chamber provided with liquid metal and a heating chamber includes a mold member having a main body portion that defines an interior mold cavity. The mold member is adapted to be positioned in the heating chamber. The mold assembly also includes a chill-plate formed from a material having a thermal diffusivity a 600° K greater than approximately 10 E-6 m2/s, inert to at least one of molten tin and molten aluminum and adapted to be at least partially immersed in the liquid metal. The chill-plate includes a main body portion having a first surface extending to a second surface through an intermediate portion. The chill-plate is adapted to establish a thermal gradient between the mold member and the heating chamber. | 10-23-2008 |
| 20090101301 | PROCESS FOR PRODUCING PURIFIED SILICON - Provided is a process for producing a purified silicon by cutting off a crude silicon region, without determining the aluminium concentration in a directionally-solidified silicon. | 04-23-2009 |
| 20110180229 | Crucible For Use In A Directional Solidification Furnace - A directional solidification furnace comprises a crucible assembly including a crucible for containing a melt having walls and a base with an opening therein, a crucible support for supporting the crucible, and a lid covering the crucible. A plate is received in the opening in the base. The plate has a higher thermal conductivity than that of the base. The base can include a composite having an additive such that the composite base has a higher thermal conductivity than a comparable without the additive. | 07-28-2011 |
| 20120080158 | UNIDIRECTIONAL SOLIDIFICATION PROCESS AND APPARATUS THEREFOR - An apparatus and method for casting an alloy using a unidirectional casting technique. The apparatus includes a mold adapted to contain a molten quantity of an alloy, a primary heating zone adapted to heat the mold and the molten alloy therein to a temperature above the liquidus temperature of the alloy, a cooling zone adapted to cool the mold and molten alloy therein to a temperature below the solidus temperature of the alloy and thereby yield the unidirectionally-solidified casting, and an insulation zone between the primary heating zone and the cooling zone. The apparatus also has a secondary heating zone separated from the insulation zone by the primary heating zone. The secondary heating zone maintains the mold and the molten alloy therein at a temperature below the liquidus temperature of the alloy. The temperatures within the primary and secondary heating zones are individually set and controlled. | 04-05-2012 |
| 20140332175 | COMPOSITE GEOMETRICAL DESIGN FOR A GRAIN STARTER IN A BRIDGMAN INVESTMENT CASTING PROCESS - A grain starter for use in solidification of molten metallic material forming an article having a directional grain structure and a method for solidifying an article having a directional grain structure with a substantial absence of stray grains. The grain starter comprises a grain-starting material that initiates grain growth in the molten metallic material in a preselected crystallographic direction. The grain-starting material has a melting temperature higher than the metallic material forming the article lest the grain starter be modified by contact with the molten material. The grain starter further includes a feature that modifies heat transfer characteristics of the metallic material in contact with it in order to produce an article having grains oriented in the preselected crystallographic orientation and modifies the profile of the advancing solidification front. The article is substantially free of stray grains not oriented in the preselected crystallographic direction. | 11-13-2014 |
| 20150343520 | CYLINDER HEAD CASTING APPARATUS AND METHODS - A casting apparatus for forming a cylinder head. The apparatus is configured to inhibit gate stick by promoting top-down directional solidification of molten metal in the mold cavity by any one or more of specific placement of gate pins in relation to apertures used to deliver molten metal to the mold cavity, circulating a cooling medium through the gate pins in a parallel fashion, configuring the gates so that a volume on the lower side of the gate is larger than a volume on the upper side of the gate, and insulating the inside surfaces of feeder lids and feeder bowls. | 12-03-2015 |
| 164122200 | Single crystal formation | 5 |
| 20090020257 | Method and apparatus for production of a cast component - A system for producing cast components from molten metal. One form of the present invention includes a system for the precision pouring of molten metal within a casting mold. The precision pouring system is driven by a pressure differential. | 01-22-2009 |
| 20090078390 | Integral Single Crystal/Columnar Grained Component and Method of Casting the Same - A hybrid cast component ( | 03-26-2009 |
| 20090314451 | PROCESS FOR MANUFACTURING DIRECTIONALLY SOLIDIFIED BLADES - The present invention relates to a process for manufacturing a single-crystal turbomachine nozzle guide vane comprising an airfoil between two platforms, by pouring molten metal into a shell mold followed by directional solidification, the front of which advances vertically upward, from a single crystal provided by a single-crystal grain provider device placed in the lower portion of the mold and having a predetermined orientation, the [001] direction coinciding with the vertical, the volumes of the mold forming the platforms being oriented in a plane parallel to the [001] direction of said single crystal and the volume of the mold forming the airfoil comprising a lower edge, the device providing the single-crystal grain emerging in a grain duct forming a connection between said device and the lower ends of the platforms, the grain duct being shaped so as to comprise two branches for feeding the platforms and a web-shaped volume extending between said feed branches, the platforms and the lower edge of the airfoil, wherein the upper edge of the volume forming the airfoil is inclined to the horizontal direction. | 12-24-2009 |
| 20120152483 | UNIDIRECTIONAL SOLIDIFICATION PROCESS AND APPARATUS AND SINGLE-CRYSTAL SEED THEREFOR - A single-crystal seed, apparatus and process for producing a casting having a single-crystal (SX) microstructure. The seed has a geometry that includes a vertex capable of destabilizing an oxide film that forms at the interface between the seed and a molten metal during the casting process, and thereby promotes a continuous single-crystal grain growth and reduces grain misorientation defects that can initiate from the seed/metal interface. | 06-21-2012 |
| 20130206352 | UNIDIRECTIONAL SOLIDIFICATION PROCESS AND APPARATUS AND SINGLE-CRYSTAL SEED THEREFOR - A single-crystal seed, apparatus and process for producing a casting having a single-crystal (SX) microstructure. The seed has a geometry that includes a vertex capable of destabilizing an oxide film that forms at the interface between the seed and a molten metal during the casting process, and thereby promotes a continuous single-crystal grain growth and reduces grain misorientation defects that can initiate from the seed/metal interface. | 08-15-2013 |
| 164123000 | By application of insulation to melt surface | 3 |
| 20090314452 | METHOD OF CASTING METAL ARTICLES - A method of casting metal articles includes providing a plurality of interconnected support sections. Article mold sections are positioned on the support sections. After article mold cavities have been filled with a molten metal which is at a first temperature, the support sections and a body of a second molten metal are moved relative to each other while the body of a second molten metal is at a temperature which is less than the first temperature. Space extending between side surfaces of the support sections and between side portions of the article mold sections is filled with the second molten metal during movement between the support sections and the body of a second molten metal. A layer of insulating material may be provided above the body of a second molten metal. A baffle may be provided between a container holding the body of a second molten metal and a furnace assembly. | 12-24-2009 |
| 20100206511 | METHOD OF CASTING METAL ARTICLES - A method of casting metal articles includes providing a plurality of interconnected support sections. Article mold sections are positioned on the support sections. After article mold cavities, have been filled with a molten metal which is at a first temperature, the support sections and a body of a second molten metal are moved relative to each other while the body of a second molten metal is at a temperature which is less than the first temperature. Space extending between side surfaces of the support sections and between side portions of the article mold sections is filled with the second molten metal during movement between the support sections and the body of a second molten metal. A layer of insulating material may be provided above the body of a second molten metal. A baffle may be provided between a container holding the body of a second molten metal and a furnace assembly. | 08-19-2010 |
| 20120291978 | CLEAN GREEN ENERGY ELECTRIC PROTECTORS FOR MATERIALS - A device to generate and direct electric heat | 11-22-2012 |
| 164124000 | By direct application of flame or gas | 2 |
| 20140166228 | METHOD FOR REMOVING A PART MADE OF A MATERIAL HAVING A GLASS-TRANSITION TEMPERATURE FROM A MOLD, AND MOLDING MACHINE - A method for removing a part from a mold and to a machine for molding said part, the part made of a material having a glass-transition temperature and a melting temperature that is higher than the glass-transition temperature, and which is shaped in the cavity of a mold, includes at least two mold portions defining said shaping cavity therebetween. The mold is at a temperature between said glass-transition temperature and said melting temperature. The method comprises opening the mold by spacing apart said mold portions, locally spraying a cooling gas toward the part remaining in a portion of the mold using at least one nozzle, and, after a predetermined time period following the start of spraying the gas, ejecting the part from said portion of the mold, the time period being such that the part reaches a temperature that is lower than the glass-transition temperature thereof. | 06-19-2014 |
| 20150122447 | Method for Casting a Cast Piece with at Least One Through-Opening - A method to produce cast pieces with optimum mechanical properties having through-openings with minimal outlay in terms of equipment. A casting mould in which at least one casting core is used. A through-channel leading through the through-opening of the cast piece is formed by burning the binder in the moulding material out of the casting core representing the through-opening by means of the heat input into the casting mould when pouring the molten metal into the casting mould, or by mechanically destroying, at least in part, the respective casting core representing the through-opening and the regions of the casting mould arranged in the extension of the casting core. | 05-07-2015 |
| 164125000 | Localized or zone heat dissipation | 3 |
| 20130092341 | METHOD AND DEVICE FOR CASTING A PISTON FOR AN INTERNAL COMBUSTION ENGINE - In a method for casting a piston for an internal combustion engine, after solidification of the surface layer in the region of the piston-pin bores ( | 04-18-2013 |
| 20130092342 | PROCESS AND APPARATUS FOR CASTING A PISTON FOR AN INTERNAL COMBUSTION ENGINE - In a process for casting a piston for an internal combustion engine, boundary layer solidification in the region of the gudgeon-pin bores ( | 04-18-2013 |
| 164127000 | By utilizing a chill member | 1 |
| 20080202720 | Co-casting of metals by direct chill casting - Apparatus and method of co-casting metal ingots in direct-chill casting apparatus. The apparatus and method employs at least one divider (divider member or divider wall) that separates a casting mold into two or more chambers for receiving molten metal that is combined into a single ingot. The divider may be moved, angled and/or flexed during casting to produce ingots that are designed primarily for rolling into thin plate or sheet. The ingot has at least one outer layer that is thicker adjacent to the side (width) edges than in the center, and/or thicker adjacent to the butt or head regions. This compensates for wiping of the outer layer from the ingot core during rolling. Also, the divider may be outwardly bowed outwardly towards one of the mold walls during the casting run. | 08-28-2008 |
| 164128000 | By utilizing a cooling liquid | 17 |
| 20080257518 | Piston Mold Assembly and Method of Constructing a Piston Therewith - A mold assembly for forming a piston and method of molding a piston therewith includes a pair of mold halves moveable toward and away from one another along a linear path that is substantially perpendicular to a longitudinal central axis of the piston between an engaged position to provide at least a portion of a mold cavity for forming an outer periphery of the piston and a disengaged position to allow extraction of the piston from the mold cavity. The assembly also has a pair of cooling gallery mandrels moveable along a linear path into an engaged position between the pair of mold halves to form an undercut cooling gallery of the piston. The pair of cooling gallery mandrels are movable to a disengaged position to allow extraction of the piston vertically along the axis. | 10-23-2008 |
| 20090173469 | METHOD AND EQUIPMENT FOR COOLING ANODES - The invention relates to a method and equipment for cooling anodes ( | 07-09-2009 |
| 20090205799 | CASTING MOLDS FOR USE IN A DIRECTIONAL SOLIDIFICATION PROCESS AND METHODS OF MAKING | 08-20-2009 |
| 20090288796 | METHOD OF PRODUCING A CASTABLE HIGH TEMPERATURE ALUMINUM ALLOY BY CONTROLLED SOLIDIFICATION - A castable high temperature aluminum alloy is cast by controlled solidification that combines composition design and solidification rate control to synergistically enhance the performance and versatility of the castable aluminum alloy for a wide range of elevated temperature applications. In one example, the aluminum alloy contains by weight approximately 1.0-20.0% of rare earth elements that contribute to the elevated temperature strength by forming a dispersion of insoluble particles via a eutectic microstructure. The aluminum alloy also includes approximately 0.1 to 15% by weight of minor alloy elements. Controlled solidification improves microstructural uniformity and refinement and provides the optimum structure and properties for the specific casting condition. The molten aluminum alloy is poured into an investment casing shell and lowered into a quenchant at a controlled rate. The molten aluminum alloy cools from the bottom of the investment casting shell upwardly to uniformly and quickly cool the aluminum alloy. | 11-26-2009 |
| 20090301683 | Method and apparatus for removal of cooling water from ingots by means of water jets - The exemplary embodiments relate to the removal of cooling water used to cool the surface of an ingot as it is formed during casting. The cooling water is removed from the surface by directing jets of water onto the surface at an angle, and with a momentum, that causes the cooling water to be stripped from the surface when contacted with the jets, and to follow a path that prevents the cooling water from again coming into contact with the ingot surface at a position beyond the point of removal. The apparatus for this includes nozzles to create the water jets, and equipment for supplying water under sufficient pressure and rate of flow to the nozzles. | 12-10-2009 |
| 20090314453 | METHOD AND APPARATUS FOR IMPROVED HEAT EXTRACTION FROM ALUMINUM CASTINGS FOR DIRECTIONAL SOLIDIFICATION - Method and apparatus for improving the quality and mechanical properties of an aluminum alloy engine cylinder block or other large or complex castings by providing sand molds bound with a soluble binder only at locations on said casting from which rapid cooling for directional solidification and/or improved localized mechanical properties are desired with said molds being otherwise bound at the remaining locations only with a more typical insoluble binder. | 12-24-2009 |
| 20100044000 | METHOD AND CONTROL DEVICE FOR CONTROLLING THE HEAT REMOVAL FROM A SIDE PLATE OF A MOLD - The invention concerns a method and a control device for automatically controlling the heat dissipation {dot over (q)} in a mold | 02-25-2010 |
| 20100170654 | Casting Molds for Use in Directional Solidification Processes and Methods of Making - Casting molds suitable for directional solidification processes using a liquid cooling bath include a graded facecoat structure on a mold body. The graded facecoat structure includes an innermost layer and a delamination layer, wherein the delamination layer fractures upon cooling of the molten metal so as to separate the mold body from the innermost layer, which remains in contact with or in close proximity to the metal being cast. Also disclosed are directional solidification processes. | 07-08-2010 |
| 20100269999 | PROCESS AND APPARATUS FOR DIRECT CHILL CASTING - An improved apparatus for direct chill casting of metals includes a mold, a bottom block assembly and a coolant. The mold is configured to surround a molten metal with a mold wall and the mold wall has an outer surface and an inner surface being in contact with the molten metal. The bottom block assembly is arranged at the bottom of the mold and includes a direct chill casting block configured to move away from the mold as the casting forms a solidifying shell of the molten metal. The coolant surrounds the outer surface of the mold wall and is arranged to remove heat away from the molten metal via the inner surface of the mold wall. The outer surface of the mold wall has a circumferential groove filled with a brazing alloy. | 10-28-2010 |
| 20110203764 | COMBUSTION CHAMBER WALL COOLING CHAMBER DESIGN FOR SEMI-PERMANENT MOLD CYLINDER HEAD CASTING - A cooling chamber design that increases the heat transfer over conventional designs during the casting process of an aluminum cylinder head. | 08-25-2011 |
| 20110303384 | INVESTMENT CASTINGS AND PROCESS - An investment casting process is provided in which a molten aluminum metal is cast into a refractory mold and thereafter cooled to solidify the metal in the mold. The improvement includes the step of cooling the mold and solidifying the metal therein which is carried out by placing the mold in a chamber adapted to retain a liquid. The mold is mounted in a stationary condition in the chamber. A coolant liquid is introduced into the chamber to immerse the mold in the liquid while maintaining the mold in a stationary condition. | 12-15-2011 |
| 20120241118 | REDUCTION OF BUTT CURL BY PULSED WATER FLOW IN DC CASTING - The invention provides a method of reducing butt curl during DC casting of a metal ingot. The ingot is cast in at least two stages, including an initial casting stage and then a steady-state casting stage carried out at higher casting speed. The emerging ingot is cooled by directing a liquid coolant onto its outer surface. During the first casting stage, the liquid coolant is directed in the form of at least two streams, including a constant first stream in the form of a series of first jets, and an intermittent second stream in the form of a series of second jets. The first and second jets impact the outer surface at locations spaced from each other peripherally and/or longitudinally of the ingot. Both the first and second streams experience film boiling when they contact the ingot. The invention includes apparatus for the method. | 09-27-2012 |
| 20130032306 | SYSTEM AND METHOD FOR DIRECTIONAL CASTING - A system and method for directionally casting an elongated device are provided. The method includes orienting a mold within a furnace such that a first portion of the mold points downward. The first portion of the mold defines a space within the mold used to form a first end of the device. The first end of the device, when formed, has a greater mass than a second end of the device. The method also includes filling the mold with molten metal and lowering the mold out of the furnace into a liquid metal bath to immerse the first portion of the mold in the liquid metal bath. The method includes concurrently lowering the mold and the liquid metal bath to cool the molten metal. | 02-07-2013 |
| 20130248134 | Method and Apparatus for Casting - A method of casting an alloy is provided, comprising the steps of pouring molten alloy into a mould ( | 09-26-2013 |
| 20160059304 | LIQUID COOLED DIE CASTING MOLD WITH HEAT SINKS - A low pressure aluminum casting apparatus includes a pair of steel dies each presenting a molding surface and a heat transfer surface. Copper heat sink blocks are disposed on the heat transfer surfaces to remove heat from the steel dies. Steel contact plates and steel spacer plates can be disposed between the heat sink blocks and the steel dies to optimize cooling. In addition, a portion of each contact plate can be spaced from the steel die to reduce cooling. The steel dies include conventional cooling passages for conveying cooling fluid, and the heat sink blocks, contact plates, and spacer plates also include cooling channels for conveying cooling fluid. | 03-03-2016 |
| 20160199908 | OPEN-TYPE SIDE-MOLD WATER SPOT-COOLING DEVICE, MANUFACTURING METHOD THEREOF AND METHOD FOR COOLING A CASTING MOLD | 07-14-2016 |
| 20160250685 | Mold-Cooling System and Mold-Cooling Method | 09-01-2016 |
