Matches 1 - 50 out of 241 1 2 3 4 5 >
Match Document Document Title
7458411 Method for manufacturing cast ceramic cores for turbomachine blades  
A method of manufacturing a cast core with at least one recess, corresponding to a partition of a turbomachine blade, includes the steps of shaping, in a mold, a mixture containing a ceramic...
7448433 Rapid prototype casting  
Methods for rapid prototype casting metal components, wherein the metal components are cast in a secondary ceramic mold, the secondary ceramic mold is cast in a primary mold, and the primary mold...
7438118 Investment casting pattern manufacture  
At least one feedcore and at least one wall cooling core are assembled with a number of elements of a die for forming a cooled turbine engine element investment casting pattern. A sacrificial...
7438117 Cylinder block casting bulkhead window formation  
A cylinder block casting is disclosed having a bulkhead window formed therein, the bulkhead window is formed by a set core received in one of a chill assembly and an integral barrel crankcase core...
7413403 Turbine blade tip cooling  
A turbine engine blade has an attachment root, a platform outboard of the attachment root, and an airfoil extending from the platform. The airfoil has pressure and suction sides extending between...
7413001 Synthetic model casting  
A synthetic model of a component is created from a 3-D numerical model thereof. A core is then cast inside the synthetic model. The synthetic model may then be removed from the cast core, and then...
7401640 Die-casting mold core  
An exemplary die-casting mold core includes a mold body, an intermediate layer and a diamond-like carbon film. The mold body is made of a steel alloy containing carbon, chromium, manganese,...
7306026 Cooled turbine airfoils and methods of manufacture  
An investment casting pattern is formed by installing a first core to a first element of a molding die to leave a first portion of the first core protruding from the first element. After the...
7306024 Refractory metal core wall thickness control  
In accordance with the present invention, a casting system is provided which broadly comprises a core and a wax die spaced from said core, a refractory metal core having a first end seated within a...
7296615 Method and apparatus for determining the location of core-generated features in an investment casting  
A secondary datum scheme is used for identifying the location of the core-produced internal geometry of hollow investment cast metal parts that are made using a free-floating core design for...
7293598 Cylinder liner improvements  
An engine block mold, including at least one barrel slab core ( 10 ), the or each barrel slab core ( 10 ) including a slab portion ( 12 ), and at least one barrel portion ( 14 ) adapted to receive...
7284589 Reinforced casting cores for metal casting, manufacture and use  
Sacrificial lost casting cores of green or fired ceramic, which include at least one tension spring as a metallic reinforcing element, wherein at least one end of this reinforcing element lies near...
7278826 Airfoil cooling passage trailing edge flow restriction  
An internal metering structure permits the exit apertures of a cooled airfoil to be sized to provide for easy manufacturability.
7270173 Composite core for use in precision investment casting  
A composite core for an investment casting process, the core including both a ceramic portion and a refractory metal portion, with the refractory metal portion being so disposed as to perform the...
7270170 Investment casting core methods  
A sacrificial core is used for forming an interior space of a part and includes a ceramic core element and a first core element including a refractory metal element. The ceramic core element may be...
7237595 Casting mold  
According to the prior art, through-holes in components are often introduced after the production (casting) of the component. This entails additional outlay in terms of time and equipment. The time...
7216694 Apparatus and method for reducing operating stress in a turbine blade and the like  
A core for casting a metal part having a body with solid portions spaced apart by hollow portions. The body includes at least one support element extending between adjacent solid portions. The...
7207374 Non-oxidizable coating  
A substrate is coated by applying a first layer atop the substrate and comprising, in major weight part, a non-refractory first metal. A second layer is applied atop the first layer and comprises,...
7207373 Non-oxidizable coating  
A substrate is coated by applying an essentially pure aluminum first layer to a surface of the substrate. At least a first portion of the first layer is oxidized so as to provide a protective...
7174945 Refractory metal core wall thickness control  
In accordance with the present invention, a casting system is provided which broadly comprises a core and a wax die spaced from said core, a refractory metal core having a first end seated within a...
7172012 Investment casting  
An investment casting pattern is formed by installing a first core to a first element of a molding die to leave a first portion of the first core protruding from the first element. After the...
7163045 Method and apparatus for making a sand core with an improved production rate  
The present invention relates to A method and apparatus for making a sand core ( 112 ) utilizing purge air through a core box ( 100 and 100 ′) to harden the binder in the sand core ( 112 )...
7143808 Intake or exhaust port molding core structure  
An intake or exhaust port molding core of a cylinder head includes a plurality of protruders on the core to form a plurality of depressed grooves in the intake or exhaust port during casting of the...
7134476 Process for the production of a braking band of a brake disk with ventilation ducts and a braking band produced by this process  
A process for the production of a braking band having ventilation ducts comprises the steps of a) moulding a core of metallic material, b) inserting the core in a mould, in a central position, c)...
7108045 Composite core for use in precision investment casting  
A composite core for an investment casting process, the core including both a ceramic portion and a refractory metal portion, with the refractory metal portion being so disposed as to perform the...
7093645 Ceramic casting core and method  
A ceramic core for use in casting an article such as for example an airfoil, wherein the ceramic core has a pocket located at or near a region of the core that is otherwise associated with...
7055574 Method of producing metal article having internal passage coated with a ceramic coating  
The present application relates to a method of producing a metal article having an internal passage coated with a ceramic coating. The method comprises: preparing a core for defining the internal...
7036556 Investment casting pins  
A pin used in investment casting, or the lost wax process, to support the ceramic core of a mold includes a core formed of a metal which provides suitable strength to maintain the position of the...
7028747 Closed loop steam cooled airfoil  
An airfoil, a method of manufacturing an airfoil, and a system for cooling an airfoil is provided. The cooling system can be used with an airfoil located in the first stages of a combustion turbine...
7025117 Golf club head  
A golf club head of the present invention. A cast head body 31 is constituted by a hollow outer shell. Said hollow outer shell define a top portion 35, a sole portion 37, a heel wall 45, a...
7013948 Disintegrative core for use in die casting of metallic components  
A disintegrative member, such as a salt core, is provided with a vent opening extending through its thickness from an outer surface to an inner surface in order to allow gases to pass radially...
6948548 Apparatus and method for casting metal  
An apparatus for casting an ingot includes a molten metal reservoir ( 51 ) positioned at an upper portion, a casting chamber ( 5 ) positioned at a lower portion and a partition wall ( 3 ) between...
6945309 Method and apparatus for forming a part with dampener  
A method for producing a damped part where a sand core is formed with at least one dampening structure with the sand core. The sand core with the at least one dampening structure therein is located...
6929054 Investment casting cores  
A sacrificial core for forming an interior space of a part includes a ceramic core element and a first core element including a refractory metal element. The ceramic core element may be molded over...
6915840 Methods and apparatus for fabricating turbine engine airfoils  
A method for casting an airfoil for a turbine engine is provided. The method includes forming a casting core to define a hollow portion in the airfoil and forming a print out region at one end of...
6913064 Refractory metal core  
A casting system for forming a gas turbine engine component is provided. The casting system, in a first embodiment, comprises a shaped refractory metal sheet having a plurality of features for...
6899064 Cylinder block for an internal combustion engine having a tapered coolant jacket  
A cylinder block has a number of cylinder bores and a water jacket at least partially surrounding the bores. When casting a cylinder block the water jacket is formed by a slender wall of a sand...
6896036 Method of making turbine blades having cooling channels  
To prevent movement of a ceramic core in a ceramic shell for the investment casting of a turbine blade, the free end of the core has one or more pins embedded therein so that the pins project into...
6868892 Ceramic fiber core for casting  
There is provided a ceramic fiber casting core used in making cast metal parts comprised of a ceramic fiber structure. The casting core may further comprise a support tube in structural supporting...
6860315 Green sand casting method and apparatus  
An apparatus and method for casting metallic components is disclosed. The apparatus has a vertical parting line and a gate configuration which reduces defects within the cast components.
6808010 Method for treating ceramic cores  
A method for treating an unfired, molded ceramic core comprises placing an unfired (green) ceramic core having a thermosetting and/or thermoplastic binder on at least one setter, placing the setter...
6755238 Disintegrative core for high pressure casting, method for manufacturing the same, and method for extracting the same  
Disclosed is a method for manufacturing a disintegrative core for use in high pressure casting. The disintegrative core can be applied where a light metal such as an aluminum alloy or magnesium...
6739381 Method of producing a turbine blade  
In a method of producing a turbine blade in hollow section, an especially low defect or scrap rate is to be ensured. To this end, a first core element is connected via a number of approximately...
6695036 Method for producing a cast part, model mold, and ceramic insert for use in this method  
The invention relates to a method for producing a cast part of a thermal turbo-machine by way of a known casting process. Between a model mold and a ceramic insert, projections are located on the...
6668906 Shaped core for cast cooling passages and enhanced part definition  
A method for casting a workpiece comprising the steps of applying a protective coating to a base core the base core comprising, a metal strip comprising a generally planar expanse, a plurality of...
6666253 Method and apparatus for making a sand core with an improved hardening rate  
The present invention relates to a method and apparatus for making a sand mold ( 112 ) utilizing reverse purge air through a core box ( 100 and 100 ′) to harden the binder in the sand mold (...
6662853 Method of making bolsters and sideframes for railway car trucks  
The number of cores used in casting bolsters and sideframes is reduced. End cores and a center core are placed in a mold with cope and drag portions. Each core includes integrally-formed portions...
6637500 Cores for use in precision investment casting  
Concepts for fabricating improved cores for investment casting are described. The cores are composite which include refractory metal elements and ceramic elements. The refractory metal elements are...
6626230 Multi-wall core and process  
Method making a multi-wall ceramic core for use in casting airfoils, such as turbine blades and vanes, wherein a fugitive pattern is formed having multiple thin wall pattern elements providing...
6622776 Method of making sideframes for railway car trucks  
The number of cores used in casting sideframes is reduced. A pair of end cores and a center core are placed in a mold with cope and drag portions. Each core includes integrally-formed portions for...
Matches 1 - 50 out of 241 1 2 3 4 5 >