Contact tips for a wire arc additive manufacturing (WAAM) system can include guide portions. Guide portions can include elongated portions with a first end and a second end; guide terminal parts attached to the first end of the elongated portion with terminal grooves. Terminal grooves can be formed between two protrusions. Terminal grooves can be configured to accommodate WAAM wires. Contact tips can further include inset portions. Inset portions can be configured to nest within the guide portion to hold the WAAM wire. When the inset portion is nested within the guide portion there can be a gap between the guide portion and the inset portion such that wire shavings generated during WAAM can be discharged.
Systems and methods for additive layer manufacturing of metallic components, such as rocket engines and propellant supply systems, are provided. Methods include melting the surface of a work piece to form a weld pool; adding wire to the weld pool and moving a heat source relative to the work piece to progressively form a new layer of metallic material on the work piece; cooling the formed layer; stress relieving (e.g., peening) the cooled layer; applying a secondary operations either sequentially or simultaneously; and repeating the above steps as required to form components layer by layer. Systems and methods of supplying a first propellant to the rocket engine of a launch vehicle are also provided, where the first propellant is supplied through a heat exchanger for generating mechanical energy to pump the first propellant into the rocket engine, and electrical energy to pump a second propellant into the rocket engine.
Powder-based additive manufacturing processes for producing integral parts with multiple metallic materials are disclosed. The integral parts are printed as single pieces by joining different metallic materials together during printing. A combination of different powder-based additive manufacturing processes or the same process can be used to produce the integral part.
Wire buffer systems that can buffer one or more wires are described. The wire buffer system can include a buffer tube. The buffer tube can include entry passages, exit passages, an outer cylinder, and an inner cylinder. The inner cylinder can be fixed in a position coaxial with the outer cylinder. Flexible wire guides can be coupled to the entry passage. The flexible wire guide can extend in a spiral around the inner cylinder and exit the buffer tube through the exit passage. The wire buffer systems can further include measurement systems. The measurement systems can include time-of-flight (TOF) sensors, linear rails, and carriages.
The present disclosure provides a system for printing at least a portion of a three-dimensional (3D) object. The system may comprise a source of at least one feedstock, a support for supporting at least a portion of the 3D object, a feeder for directing at least one feedstock from the source towards the support, and a power supply for supplying electrical current. The system may comprise a controller operatively coupled to the power supply. The controller may receive a computational representation of the 3D object. The controller may direct the at least one feedstock through a feeder towards the support and may direct electrical current through the at least one feedstock and into the support. The controller may subject such feedstock to Joule heating such that at least a portion of such feedstock may deposit adjacent to the support, thereby printing the 3D object in accordance with the computational representation.
Systems and methods for additive layer manufacturing of metallic components, such as rocket engines and propellant supply systems, are provided. Methods include melting the surface of a work piece to form a weld pool; adding wire to the weld pool and moving a heat source relative to the work piece to progressively form a new layer of metallic material on the work piece; cooling the formed layer; stress relieving (e.g., peening) the cooled layer; applying a secondary operations either sequentially or simultaneously; and repeating the above steps as required to form components layer by layer. Systems and methods of supplying a first propellant to the rocket engine of a launch vehicle are also provided, where the first propellant is supplied through a heat exchanger for generating mechanical energy to pump the first propellant into the rocket engine, and electrical energy to pump a second propellant into the rocket engine.
Systems of chine-backed flame diverter for rocket systems are described. The chine-backed flame diverters can use a lower water supply pressure relative to the rocket exhaust plume impingement pressure. The chine-backed flame diverter systems can reduce operation costs and increase rigidity of the test stand structures.
A62C 3/02 - Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
8.
Interactive Slicing Methods and Systems for Generating Toolpaths for Printing Three-Dimensional Objects
The present disclosure provides methods and systems for printing a three-dimensional part. The method comprises: receiving in computer memory a digital model of said three-dimensional object; using one or more computer processors to partition said digital model of said three-dimensional part into a plurality of partitions, wherein a given partition of said plurality of partitions comprises a plurality of slices, and wherein a given slice of said plurality of slices comprises a plurality of segments; receiving, from a user, one or more parameters that specify a printing configuration for at least one segment of said plurality of segments; and generating printing instructions based at least in part on said one or more parameters, which printing instructions are usable by a print head to print said three-dimensional object.
The present disclosure provides methods and systems for three-dimensional (3D) printing. In an example, a system and method for maintaining a command history in 3D printing software is disclosed. In an example, a method for updating a plurality of printing instructions comprises maintaining a plurality of printing states corresponding to the plurality of printing instructions, wherein a first state corresponds to a first set of printing instructions for printing a first portion of a 3D object. The plurality of printing states may comprise a final state comprising final printing instructions. User instructions may be received to select a second state that is not the final state. A new state may be generated comprising a second set of printing instructions for printing second portion of the 3D object. The plurality of printing instructions may be updated with the second set of printing instructions to yield an updated plurality of printing instructions.
Powder—based additive manufacturing processes for producing integral parts with multiple metallic materials are disclosed. The integral parts are printed as single pieces by joining different metallic materials together during printing. A combination of different powder-based additive manufacturing processes or the same process can be used to produce the integral part.
The present disclosure provides a system for printing a three-dimensional object. The system may comprise a support for holding a portion of the object and a wire(s) source configured to hold a wire(s) of substantially the same or different diameters. The system may also comprise a print head. The print head may comprise a guide for directing the wire to the support. The system may also comprise a driver roller comprising a groove configured to contact a portion of the wire and direct the wire to the guide, and a power source in electrical communication with the wire and the support. The system may also comprise a controller configured to direct the power source to supply electrical current to the wire and the support. The electrical current may be sufficient to melt the wire when the wire is in contact with the support or the portion of the object.
Cryogenic sources can be used for shielding in wire-based additive manufacturing. Cryogenic shielding can provide better shielding during print, as well as more efficient cooling compared to using regular room temperature shielding gas. Cryogenic shielding can extend the nozzle run time by preventing spatter build up in nozzles. Cryogenic sources also can be used for active part cooling and/or active weld puddle cooling.
The present disclosure provides methods and systems for three-dimensional (3D) printing. In an example, a system and method for maintaining a command history in 3D printing software is disclosed. In an example, a method for updating a plurality of printing instructions comprises maintaining a plurality of printing states corresponding to the plurality of printing instructions, wherein a first state corresponds to a first set of printing instructions for printing a first portion of a 3D object. The plurality of printing states may comprise a final state comprising final printing instructions. User instructions may be received to select a second state that is not the final state. A new state may be generated comprising a second set of printing instructions for printing second portion of the 3D object. The plurality of printing instructions may be updated with the second set of printing instructions to yield an updated plurality of printing instructions.
A device may position a torch assembly relative to a workpiece. A device may initiate a pilot arc between a plasma electrode and a grounded portion of a torch assembly, the grounded portion of the torch assembly grounded using a component with a variable resistance. A device may initiate a wire arc between a first wire element and the workpiece. A device may add material to the workpiece while the torch assembly traverses the workpiece.
A device may position a torch assembly relative to a workpiece. A device may initiate a pilot arc between a plasma electrode and a grounded portion of a torch assembly, the grounded portion of the torch assembly grounded using a component with a variable resistance. A device may initiate a wire arc between a first wire element and the workpiece. A device may add material to the workpiece while the torch assembly traverses the workpiece.
Additively manufactured thrust chambers and thrust chambers with integral fluid manifolds, and hybrid additive manufacturing methods for their production, are provided. Hybrid additive manufacturing techniques may combine a variety of processes including, WAAM, PBF, cold spray and DED, for example, to produce objects with variant dimensional requirements, i.e., large overall size and small features. Hybrid additive manufacturing may be defined as provide various process layers within any manufactured object. These process layers in turn allow for the introduction of variable feature and size distribution throughout the manufactured object. Hybrid process layers according to aspects may also allow the use of a variety of materials or may use a single material across the various process layers.
A valve assembly has a housing and a poppet-carrying portion. The housing includes an inlet port, an outlet port, an opening, and a assembly portion including helical grooves. The poppet-carrying portion is configured to be inserted through the opening and engage with the assembly portion. The poppet-carrying portion comprises a poppet head, a closure including protruding arms, convolutions, and a stopping portion. The convolutions extend between the poppet head and the closure and provide compliance such that the poppet head is movable relative to the closure. The stopping portion extends from the closure toward the poppet head and is spaced apart from the poppet head by a maximum compression distance. At a first fluid pressure, the protruding arms engage with the helical grooves, and the poppet head is positioned in a pre-load position that prevents the fluid from discharging through the outlet port.
F16K 15/06 - Check valves with guided rigid valve members with guided stems
F16K 17/04 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side spring-loaded
F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
18.
Predicting Process Control Parameters for Fabricating an Object Using Deposition
Process control parameters are predicted to fabricate an object using deposition. An input design geometry is provided for the object. A training data set includes past post-build physical inspection data for a plurality of objects that comprise at least one object that is different from the object to be physically fabricated; and training data generated through a repetitive process of randomly choosing values for each of multiple process control parameters and scoring adjustments to the multiple process control parameters as leading to either undesirable or desirable outcomes, the outcomes based respectively on the presence or absence of defects detected in a fabricated object arising from the process control parameter adjustments. A machine learning algorithm is trained using the provided training data set and a predicted optimal set of the multiple process control parameters is generated for initiating and performing the deposition process to fabricate the object.
A device may include a robotic actuator. A device may include an end effector assembly mounted to the robotic actuator, the end effector assembly comprising: a modular interface, the modular interface comprising a set of connection points, the set of connection points arranged circumferentially about a modular interface central axis, a hot wire torch, the hot wire torch coupled to the modular interface, the hot wire torch comprising a hot wire torch endpoint; and one or more sensors fixedly attached via the connection points to the modular interface, wherein the one or more sensors are positioned to generate data based on observations of an observation position, the observation position offset relative to the hot wire torch endpoint.
Systems and methods for localized work return path of additive manufacturing systems are described. Localized grounding connects the printed surface directly to the work return, and shortens the length of grounding and/or the return cables compared to substrate-based grounding.
The present disclosure provides a system for printing at least a portion of a three-dimensional (3D) object. The system may comprise a source of at least one feedstock, a support for supporting at least a portion of the 3D object, a feeder for directing at least one feedstock from the source towards the support, and a power supply for supplying electrical current. The system may comprise a controller operatively coupled to the power supply. The controller may receive a computational representation of the 3D object. The controller may direct the at least one feedstock through a feeder towards the support and may direct electrical current through the at least one feedstock and into the support. The controller may subject such feedstock to Joule heating such that at least a portion of such feedstock may deposit adjacent to the support, thereby printing the 3D object in accordance with the computational representation.
Disclosed herein are systems and methods for using printing process data to predict quality measures for three-dimensional (3D) printed objects and properties of the materials comprising the 3D objects. Printing may be performed using resistive or Joule printing. The system may include a computer communicatively coupled to a 3D printing apparatus, which may store printing parameters. The 3D printing apparatus may be able to take measurements during a print job, and record those measurements in memory. The 3D printing apparatus may also be able to record printing states before, during, and/or after printing. A combination of printing states, printing parameters, and measurements may be analyzed, for example, by a machine learning algorithm, in order to predict material properties and quality measures.
G05B 19/4155 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by programme execution, i.e. part programme or machine function execution, e.g. selection of a programme
A bellows assembly includes a first compliant portion extending outwardly at a first angle relative to a lateral axis, a second compliant portion, and a third compliant portion extending outwardly at a second angle relative to the lateral axis. The second compliant portion is formed between, and coupled to, the first and third compliant portions. The first angle and the second angle are between about 30 degrees to 80 degrees, such that the first compliant portion and the third compliant portion form inward extending cone shapes.
A 3D printer can print a structure by depositing material into a weld pool that is moving relative to a workpiece. A multi-wire process may be utilized to increase the deposition rate of the 3D printer. An electrode wire can supply energy to the weld pool while being fed at a first feed rate into the weld pool. A second wire can be fed into the weld pool at a second feed rate to deposit additional material and thereby speed up the overall material deposition rate. All of the energy in the weld pool may be supplied by the electrode wire. Different materials may benefit from different orientations of the electrode wire and the second wire.
The present disclosure provides methods and systems for printing a three-dimensional part. The method comprises: receiving in computer memory a digital model of said three-dimensional object; using one or more computer processors to partition said digital model of said three-dimensional part into a plurality of partitions, wherein a given partition of said plurality of partitions comprises a plurality of slices, and wherein a given slice of said plurality of slices comprises a plurality of segments; receiving, from a user, one or more parameters that specify a printing configuration for at least one segment of said plurality of segments; and generating printing instructions based at least in part on said one or more parameters, which printing instructions are usable by a print head to print said three-dimensional object.
Systems of weldable wires, powder, and materials comprising an aluminum-magnesium-scandium alloy, and methods for additive manufacturing the alloy are described. The alloy can be utilized in additive manufacturing to additively manufacture at industrial scales. With post treatment, the additive manufactured alloys can have advantageous properties for aerospace applications.
C22C 21/06 - Alloys based on aluminium with magnesium as the next major constituent
C22F 1/047 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
B22F 10/28 - Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
27.
Systems for Horizontal Additive Manufacturing and Methods Thereof
Systems and methods for wire arc additive manufacturing systems that print in horizontal orientations are described. Horizontal WAAM 3D print systems comprise metal 3D print systems in a horizontal orientation with one or more robots operating concurrently on a work piece using one or more wire feeds and a rotating, horizontal build plate.
A machinable 3-D printing build plate that can be assembled from a number of different components into the base for a metallic 3-D printing volume and other 3-D printed parts. The build plate can be assembled into a final structure then machined to the required planar tolerance such that the build quality of the part is maintained throughout the build. Additionally, because the baseline printer support structure and support device are comprised of multiple elements, if one or more goes out of tolerance or requires adjustment to accommodate a new print, it may be easily removed, replaced then machined back to the required tolerances.
A two-part coupling for use in joining sections of pipe without additional fasteners is disclosed. The two-part coupling includes integral coupling features molded by additive manufacturing technology. The two-part coupling increases reliability, reduces weight, and provides ease of manufacture. The coupling distributes a fluid load so that the coupling can withstand pressures and leak rates in accordance with stringent standards. The two-part coupling can be coupled and de-coupled using a locking and release mechanism built into the integral parts. Assembly is made easier because the geometry of the coupling is amenable to additive manufacturing. Because the two-part coupling requires a lesser degree of precision, machined parts are not required.
F16L 37/098 - Couplings of the quick-acting type in which the connection between abutting or axially-overlapping ends is maintained by locking members combined with automatic locking by means of flexible hooks
30.
Systems and methods for using wire printing process data to predict material properties and part quality
Disclosed herein are systems and methods for using printing process data to predict quality measures for three-dimensional (3D) printed objects and properties of the materials comprising the 3D objects. Printing may be performed using resistive or Joule printing. The system may include a computer communicatively coupled to a 3D printing apparatus, which may store printing parameters. The 3D printing apparatus may be able to take measurements during a print job, and record those measurements in memory. The 3D printing apparatus may also be able to record printing states before, during, and/or after printing. A combination of printing states, printing parameters, and measurements may be analyzed, for example, by a machine learning algorithm, in order to predict material properties and quality measures.
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
G05B 19/4155 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by programme execution, i.e. part programme or machine function execution, e.g. selection of a programme
Many embodiments described herein are directed to a printing nozzle capable of producing a high-pressure flow of shielding gas that surrounds a lower pressure flow of shielding gas of the central channel. In certain embodiments, the high-pressure shield gas flow in the internal channels can blow out the material buildup in the nozzle. The high-pressure shielding gas can be concentrically produced around the first low-pressure shielding gas such that it helps to force the first shielding gas into a more laminar flow around the feed material. In several embodiments, a second low-pressure flow of shielding gas can be produced using a secondary cup to increase shielding gas coverage. In various embodiments, a secondary cup surrounds the inner cup, where the gas flow in the central channel and the outer channel can provide shielding gas coverage for the nozzle during printing.
A system and method are disclosed for cold working an additively manufactured component including a platform, a deposition robot, and a roller assembly. The platform is configured to support a three-dimensional object. The deposition robot is configured to deposit successive material layers that, after deposition, form the three-dimensional object. The deposition robot includes an arm having a deposition end and a deposition head coupled to the deposition end of the arm. The deposition head is configured to deposit a new material later of the successive material layers. The roller assembly is disposed around the new material layer and configured to compress a lateral thickness of the new material layer after the new material layer has been deposited by the deposition robot.
Systems of weldable wires, powder, and materials comprising an aluminum-magnesium-scandium alloy, and methods for additive manufacturing the alloy are described. The alloy can be additive manufactured in industrial scale. With post treatment, the additive manufactured alloys can have desired properties for aerospace applications.
C22C 21/08 - Alloys based on aluminium with magnesium as the next major constituent with silicon
C22F 1/047 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
34.
ALUMINUM ALLOY COMPOSITIONS, ARTICLES THEREFROM, AND METHODS OF PRODUCING ARTICLES THEREFROM
Systems of weldable wires, powder, and materials comprising an aluminum-magnesium- scandium alloy, and methods for additive manufacturing the alloy are described. The alloy can be additive manufactured in industrial scale. With post treatment, the additive manufactured alloys can have desired properties for aerospace applications.
C22C 21/06 - Alloys based on aluminium with magnesium as the next major constituent
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
C22F 1/047 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
The present disclosure provides a system for printing a three-dimensional (3D) object. The system may comprise a source of at least one feedstock, a support for supporting at least a portion of the 3D object, a feeder for directing such feedstock from the source towards the support, and a power supply for supplying electrical current. The system may comprise a controller operatively coupled to the power supply. The controller may receive a computational representation of the 3D object. The controller may direct such feedstock through a feeder towards the support and may direct electrical current through such feedstock and into the support. The controller may subject such feedstock to heating such that at least a portion of such feedstock may deposit adjacent to the support. The controller may direct deposition of additional portions adjacent to the support and may direct an additional feedstock through such feeder and subject to heating.
A 3D printer can print a structure by depositing material into a weld pool that is moving relative to a workpiece. An electrode wire can supply energy to the weld pool while being fed at a first feed rate into the weld pool. A second wire can be fed into the weld pool at a second feed rate to deposit additional material and thereby speed up the overall material deposition rate. All of the energy in the weld pool may be supplied by the electrode wire. The printer can dynamically control the first feed rate and the second feed rate during printing. A mathematical model can be used to determine the second feed rate as a function of the first feed rate, the energy put into the weld pool, and the print head travel speed. The second feed rate may optimize the material deposition rate according to the model.
B23K 9/04 - Welding for other purposes than joining, e.g. built-up welding
B33Y 30/00 - Apparatus for additive manufacturingDetails thereof or accessories therefor
B23K 37/02 - Carriages for supporting the welding or cutting element
B23K 9/095 - Monitoring or automatic control of welding parameters
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B23K 9/12 - Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
B23K 31/12 - Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups relating to investigating the properties, e.g. the weldability, of materials
Toys and playthings; scale model space launch vehicles; toy rockets; toy rocket building sets; model rocket kits; toy model vehicles and related accessories sold as a unit; radio controlled toy rockets, toy rockets and related accessories sold as a unit; action figures; play sets consisting of toy rockets, rocket launch center, and launch pad toys; toy vehicles; float toys; dolls; stuffed toy animals; plush toy bears; plush toy rockets; plush toy satellites; kites; commemorative sports balls; action puppets; inflatable toys; teddy bears; dartboard cabinets and darts; puppets; toys for pets; float mattresses or pads for recreational use; inflatable inner tubes for aquatic recreational use; water toys; sand toys; hand held units for playing video games; board games; jigsaw and manipulative puzzles; balloons; stress relief balls for hand exercise; golf balls; golf tees; golf club covers; golf ball markers and ball mark repair tools, namely, divot tools; golf bags; ride on toys; yo-yos; playing cards; target games; toy flying disks; decorations for Christmas; Christmas tree ornaments; Christmas stockings.
Toys and playthings; scale model space launch vehicles; toy rockets; toy rocket building sets; model rocket kits; toy model vehicles and related accessories sold as a unit; radio controlled toy rockets, toy rockets and related accessories sold as a unit; action figures; play sets consisting of toy rockets, rocket launch center, and launch pad toys; toy vehicles; float toys; dolls; stuffed toy animals; plush toy bears; plush toy rockets; plush toy satellites; kites; commemorative sports balls; action puppets; inflatable toys; teddy bears; dartboard cabinets and darts; puppets; toys for pets; float mattresses or pads for recreational use; inflatable inner tubes for aquatic recreational use; water toys; sand toys; hand held units for playing video games; board games; jigsaw and manipulative puzzles; balloons; stress relief balls for hand exercise; golf balls; golf tees; golf club covers; golf ball markers and ball mark repair tools, namely, divot tools; golf bags; ride on toys; yo-yos; playing cards; target games; toy flying disks; decorations for Christmas; Christmas tree ornaments; Christmas stockings.
Toys and playthings, namely, sand toys, positionable printed toy figures for use in puzzles, positionable wooden and plastic figures for use in wooden and plastic puzzles, jigsaw and manipulative puzzles, play mats for the purpose of putting together puzzles, cube-type puzzles, manipulative logic puzzles, mosaic puzzles, and puzzle board games; scale model space launch vehicles; toy rockets; toy rocket building sets; scale model rocket kits; toy model vehicles and related accessories sold as a unit; radio controlled toy rockets, toy rockets and related accessories sold as a unit; action figures; play sets consisting of toy rockets, rocket launch center, and launch pad toys; toy vehicles; float toys, namely, swimming floats, bath toys, and pool noodles; dolls; stuffed toy animals; plush toy bears; plush toy rockets; plush toy satellites; kites; commemorative sports balls; action puppets; inflatable toys; teddy bears; dartboard cabinets and darts; puppets; toys for pets; inflatable swimming float mattresses or pads for recreational use; inflatable inner tubes for aquatic recreational use; water toys; sand toys; hand held units for playing video games; board games; jigsaw and manipulative puzzles; balloons; stress relief balls for hand exercise; golf balls; golf tees; golf club covers; golf ball markers and ball mark repair tools, namely, divot tools; golf bags; ride on toys; yo-yos; playing cards; target games; toy flying disks; Christmas tree ornaments; Christmas stockings
Toys and playthings, namely, sand toys, positionable printed toy figures for use in puzzles, positionable wooden and plastic figures for use in wooden and plastic puzzles, jigsaw and manipulative puzzles, play mats for the purpose of putting together puzzles, cube-type puzzles, manipulative logic puzzles, mosaic puzzles, and puzzle board games; scale model space launch vehicles; toy rockets; toy rocket building sets; scale model rocket kits; toy model vehicles and related accessories sold as a unit; radio controlled toy rockets, toy rockets and related accessories sold as a unit; action figures; play sets consisting of toy rockets, rocket launch center, and launch pad toys; toy vehicles; float toys, namely, swimming floats, bath toys, and pool noodles; dolls; stuffed toy animals; plush toy bears; plush toy rockets; plush toy satellites; kites; commemorative sports balls; action puppets; inflatable toys; teddy bears; dartboard cabinets and darts; puppets; toys for pets; inflatable swimming float mattresses or pads for recreational use; inflatable inner tubes for aquatic recreational use; water toys; sand toys; hand held units for playing video games; board games; jigsaw and manipulative puzzles; balloons; stress relief balls for hand exercise; golf balls; golf tees; golf club covers; golf ball markers and ball mark repair tools, namely, divot tools; golf bags; ride on toys; yo-yos; playing cards; target games; toy flying disks; Christmas tree ornaments; Christmas stockings
09 - Scientific and electric apparatus and instruments
39 - Transport, packaging, storage and travel services
Goods & Services
Downloadable and embedded software for control and movement of rockets and space vehicles, managing robotic machine states, automating avionics and avionic hardware, and automating avionics and structures verification tests; downloadable and embedded software for state machine computer based programming language; downloadable and embedded software for implementing engineering analysis of structure against applied loads; downloadable and embedded software for control and movement, including automated control and movement of rockets, space vehicles, and avionic devices; avionic sensor systems, namely, navigation systems, navigation apparatus for rockets, space vehicles; onboard computer software and computer hardware for navigation systems; all the aforementioned goods relating to rockets and space vehicles; Satellites. Providing space vehicle launching facilities for others; launch and placement in prescribed orbit of satellites of others; launching of satellites for others; launching the payloads of others into space.
43.
Systems and methods for three-dimensional printing
The present disclosure provides methods and systems for three-dimensional (3D) printing. In an example, a system and method for maintaining a command history in 3D printing software is disclosed. In an example, a method for updating a plurality of printing instructions comprises maintaining a plurality of printing states corresponding to the plurality of printing instructions, wherein a first state corresponds to a first set of printing instructions for printing a first portion of a 3D object. The plurality of printing states may comprise a final state comprising final printing instructions. User instructions may be received to select a second state that is not the final state. A new state may be generated comprising a second set of printing instructions for printing second portion of the 3D object. The plurality of printing instructions may be updated with the second set of printing instructions to yield an updated plurality of printing instructions.
39 - Transport, packaging, storage and travel services
Goods & Services
Clothing, namely, tops, bottoms, shirts, pants, jackets, footwear, hats and caps, athletic uniforms Providing space vehicle launching facilities for others; launch and placement in prescribed orbit of satellites of others; launching of satellites for others
39 - Transport, packaging, storage and travel services
Goods & Services
Clothing, namely, tops, bottoms, shirts, pants, jackets, footwear, hats and caps, athletic uniforms Providing space vehicle launching facilities for others; launch and placement in prescribed orbit of satellites of others; launching of satellites for others
39 - Transport, packaging, storage and travel services
Goods & Services
Providing space vehicle launching facilities for others; launch and placement in prescribed orbit of satellites of others; launching of satellites for others
12 - Land, air and water vehicles; parts of land vehicles
25 - Clothing; footwear; headgear
39 - Transport, packaging, storage and travel services
Goods & Services
Space vehicles; space vehicles, namely, rockets and orbital launch vehicles Clothing, namely, tops, bottoms, shirts, pants, jackets, footwear, hats and caps, athletic uniforms Providing space vehicle launching facilities for others; launch and placement in prescribed orbit of satellites of others; launching of satellites for others
The present disclosure provides a system for printing a three-dimensional object. The system may comprise a support for holding a portion of the object and a wire(s) source configured to hold a wire(s) of substantially the same or different diameters. The system may also comprise a print head. The print head may comprise a guide for directing the wire to the support. The system may also comprise a driver roller comprising a groove configured to contact a portion of the wire and direct the wire to the guide, and a power source in electrical communication with the wire and the support. The system may also comprise a controller configured to direct the power source to supply electrical current to the wire and the support. The electrical current may be sufficient to melt the wire when the wire is in contact with the support or the portion of the object.
The present disclosure provides a system for feeding a wire. The system may comprise a wire source configured to hold a wire. The system may comprise a driver roller configured to undergo rotation to direct the wire towards a wire receiver. The system may comprise a preload roller adjacent to the driver roller and configured to come in contact with the wire at a position adjacent to the driver roller. The preload roller and the driver roller may be separated by a gap. The size of the gap may be adjustable to permit the wire to be directed through the gap. The system may comprise an actuator coupled to the driver roller or the preload roller and configured to adjust the size of the gap. The system may comprise a controller operatively coupled to the actuator. The size of the gap may be adjusted by real-time closed-loop feedback.
Disclosed herein are smart node devices that provide an interface for multiple sensors and/or actuators, and that may be used to create flexible, easily re-configured wire harness systems for avionics applications.
B60R 16/023 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems
H04L 12/28 - Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
54.
SMART LOCALIZED CONTROL NODE DEVICES AND SYSTEMS FOR ADAPTIVE AVIONICS APPLICATIONS
Disclosed herein are smart node devices that provide an interface for multiple sensors and/or actuators, and that may be used to create flexible, easily re-configured wire harness systems for avionics applications.
H04L 12/28 - Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
B60R 16/023 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems
55.
Interactive slicing methods and systems for generating toolpaths for printing three-dimensional objects
The present disclosure provides methods and systems for printing a three-dimensional part. The method comprises: receiving in computer memory a digital model of said three-dimensional object; using one or more computer processors to partition said digital model of said three-dimensional part into a plurality of partitions, wherein a given partition of said plurality of partitions comprises a plurality of slices, and wherein a given slice of said plurality of slices comprises a plurality of segments; receiving, from a user, one or more parameters that specify a printing configuration for at least one segment of said plurality of segments; and generating printing instructions based at least in part on said one or more parameters, which printing instructions are usable by a print head to print said three-dimensional object.
Machine learning-based methods and systems for automated object defect classification and adaptive, real-time control of manufacturing processes are described.
G05B 19/18 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
G05B 19/414 - Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
G06F 30/20 - Design optimisation, verification or simulation
G06Q 10/04 - Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
Methods for control of post-design free form deposition processes or joining processes are described that utilize machine learning algorithms to improve fabrication outcomes. The machine learning algorithms use real-time object property data from one or more sensors as input, and are trained using training data sets that comprise: i) past process simulation data, past process characterization data, past in-process physical inspection data, or past post-build physical inspection data, for a plurality of objects that comprise at least one object that is different from the object to be fabricated; and ii) training data generated through a repetitive process of randomly choosing values for each of one or more input process control parameters and scoring adjustments to process control parameters as leading to either undesirable or desirable outcomes, the outcomes based respectively on the presence or absence of defects detected in a fabricated object arising from the process control parameter adjustments.
Methods for control of post-design free form deposition processes or joining processes are described that utilize machine learning algorithms to improve fabrication outcomes. The machine learning algorithms use real-time object property data from one or more sensors as input, and are trained using training data sets that comprise: i) past process simulation data, past process characterization data, past in-process physical inspection data, or past post-build physical inspection data, for a plurality of objects that comprise at least one object that is different from the object to be fabricated; and ii) training data generated through a repetitive process of randomly choosing values for each of one or more input process control parameters and scoring adjustments to process control parameters as leading to either undesirable or desirable outcomes, the outcomes based respectively on the presence or absence of defects detected in a fabricated object arising from the process control parameter adjustments.
Disclosed herein are machine learning-based methods and systems for automated object defect classification and adaptive, real-time control of additive manufacturing and/or welding processes.
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
G05B 13/04 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
G05B 19/4099 - Surface or curve machining, making 3D objects, e.g. desktop manufacturing
Methods for control of post-design free form deposition processes or joining processes are described that utilize machine learning algorithms to improve fabrication outcomes. The machine learning algorithms use real-time object property data from one or more sensors as input, and are trained using training data sets that comprise: i) past process simulation data, past process characterization data, past in-process physical inspection data, or past post-build physical inspection data, for a plurality of objects that comprise at least one object that is different from the object to be fabricated; and ii) training data generated through a repetitive process of randomly choosing values for each of one or more input process control parameters and scoring adjustments to process control parameters as leading to either undesirable or desirable outcomes, the outcomes based respectively on the presence or absence of defects detected in a fabricated object arising from the process control parameter adjustments.
Disclosed herein are machine learning-based methods and systems for automated object defect classification and adaptive, real-time control of additive manufacturing and/or welding processes.
G06N 99/00 - Subject matter not provided for in other groups of this subclass
B23K 9/095 - Monitoring or automatic control of welding parameters
B23K 31/12 - Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups relating to investigating the properties, e.g. the weldability, of materials
B29C 67/00 - Shaping techniques not covered by groups , or
The present disclosure provides a system for printing at least a portion of a three-dimensional (3D) object. The system may comprise a source of at least one feedstock, a support for supporting at least a portion of the 3D object, a feeder for directing at least one feedstock from the source towards the support, and a power supply for supplying electrical current. The system may comprise a controller operatively coupled to the power supply. The controller may receive a computational representation of the 3D object. The controller may direct the at least one feedstock through a feeder towards the support and may direct electrical current through the at least one feedstock and into the support. The controller may subject such feedstock to Joule heating such that at least a portion of such feedstock may deposit adjacent to the support, thereby printing the 3D object in accordance with the computational representation.
39 - Transport, packaging, storage and travel services
Goods & Services
(1) Launching of satellites and spacecraft for others; integration and launch of payloads, namely satellites, spacecraft, cargo, and passengers into orbit for others
39 - Transport, packaging, storage and travel services
Goods & Services
Launch services; launching of satellites and spacecraft for others; integration and launch of payloads, namely satellites, spacecraft, cargo, and passengers into orbit for others.
The present disclosure provides a system for printing at least a portion of a three-dimensional (3D) object. The system may comprise a source of at least one feedstock, a support for supporting at least a portion of the 3D object, a feeder for directing at least one feedstock from the source towards the support, and a power supply for supplying electrical current. The system may comprise a controller operatively coupled to the power supply. The controller may receive a computational representation of the 3D object. The controller may direct the at least one feedstock through a feeder towards the support and may direct electrical current through the at least one feedstock and into the support. The controller may subject such feedstock to Joule heating such that at least a portion of such feedstock may deposit adjacent to the support, thereby printing the 3D object in accordance with the computational representation.
The present disclosure provides a method for printing at least a portion of a three-dimensional (3D) object adjacent to a support. The method may comprise receiving in computer memory a computational representation of the 3D object. Subsequent to receiving the computational representation of the 3D object, at least one feedstock may be directed through a feeder towards the support. Upon directing the at least one feedstock through the feeder, electrical current may be flowed through the at least one feedstock and into the support. The at least one feedstock may be subjected to Joule heating upon flow of electrical current through the at least one feedstock, which may be sufficient to melt at least a portion of the at least one feedstock. The at least the portion of the at least one feedstock may be deposited adjacent to the support in accordance with the computational representation of the 3D object.
In various embodiments, a three-dimensional metallic structure is fabricated in layer-by- layer fashion via deposition of discrete metal particles resulting from the passing of an electric current between a metal wire and an electrically conductive base or a previously deposited layer of particles.
In various embodiments, a three-dimensional metallic structure is fabricated in layer-by-layer fashion via deposition of discrete metal particles resulting from the passing of an electric current between a metal wire and an electrically conductive base or a previously deposited layer of particles.
