Patents by Inventor Meredith Elissa Dubelman
Meredith Elissa Dubelman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230050127Abstract: An additive manufacturing apparatus includes a stage configured to hold a component. A radiant energy is device operable to generate and project radiant energy in a patterned image. An actuator is configured to change a position of the stage relative to the radiant energy device. A deposition assembly is upstream of the stage and configured to deposit a resin on a resin support. The deposition assembly includes a reservoir housing configured to retain a volume of resin between the upstream wall and the downstream wall. The deposition assembly also includes an application device operably coupled with the reservoir housing. A computing system is operably coupled with the application device. The computing system is configured to intermittently initiate a flush operation between successive layers of the component, wherein the application device is moved from a first position to a second position during the flush operation.Type: ApplicationFiled: August 9, 2022Publication date: February 16, 2023Inventors: Meredith Elissa Dubelman, Christopher David Barnhill, William Joseph Steele, Xi Yang
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Publication number: 20230051575Abstract: A cleaning system for an additively manufactured component includes a tank storing a cleaning fluid. A fluid circuit is operably coupled with the tank. A pump is coupled with the fluid circuit. A manifold is configured to receive fluid from the fluid circuit through the pump. At least one of a coupler defined by the manifold or a hose is coupled with the manifold. The at least one of the coupler defined by the manifold or the hose is further configured to couple with said additively manufactured component.Type: ApplicationFiled: August 9, 2022Publication date: February 16, 2023Inventors: James Patrick Lewis, Johnny DeLeon, Brian Paul Sechrist, Mary Kathryn Thompson, Christopher David Barnhill, Meredith Elissa Dubelman
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Publication number: 20230039012Abstract: A method for producing a component layer-by-layer includes: providing two or more resin handling assemblies, each including a resin support which has at least a portion which is transparent, each resin support defining a build surface located in a build zone of the respective assembly; executing a build cycle, including: depositing on each build surface radiant-energy-curable resin, the resin on each build surface being a unique material combination; positioning a stage relative to one of the build surfaces to define a layer increment; selectively curing the resin using applied radiant energy so as to define a cross-sectional layer of the component; separating the component from the build surface; cleaning at least one of the component and the stage; and repeating the cycle, for a plurality of layers, wherein at least one of the layers is cured in each of the build zone. Apparatus is described for carrying out the method.Type: ApplicationFiled: October 25, 2022Publication date: February 9, 2023Applicant: General Electric CompanyInventors: Meredith Elissa Dubelman, Christopher Barnhill, Xi Yang, Mary Kathryn Thompson
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Publication number: 20230012168Abstract: An additive manufacturing apparatus includes a stage configured to hold a component. A radiant energy device is operable to generate and project radiant energy in a patterned image. An actuator is configured to change a relative position of the stage relative to the radiant energy device. A resin management system includes a material deposition assembly upstream configured to deposit a resin on a resin support. The material deposition assembly includes a reservoir configured to retain a first volume of the resin and define a thickness of the resin on the resin support as the resin support is translated in an X-axis direction. The material deposition assembly further includes a vessel positioned above the reservoir in a Z-axis direction and configured to store a second volume of the resin. In addition, the material deposition assembly includes a conduit configured to direct the resin from the vessel to the reservoir.Type: ApplicationFiled: July 9, 2021Publication date: January 12, 2023Inventors: Meredith Elissa Dubelman, Trent William Muhlenkamp, Kevin Robert Dickson, Christopher David Barnhill, Brian Thomas Thompson
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Publication number: 20220410482Abstract: An additive manufacturing apparatus can include a stage configured to hold one or more cured layers of resin that form a component. A radiant energy device can be operable to generate and project radiant energy in a patterned image. An actuator can be configured to change a relative position of the stage relative to the radiant energy device. A reclamation system can be downstream of the stage and can be configured to remove at least a portion of the resin from a resin support. The reclamation system can include a first collection structure configured to accept a resin support therethrough along a resin support movement direction. A first scraper is positioned within the first collection structure. The first scraper has an elongation axis that is offset from the resin support movement direction by an offset angle that is less than 90 degrees.Type: ApplicationFiled: June 10, 2022Publication date: December 29, 2022Inventors: Meredith Elissa Dubelman, Christopher David Barnhill, Xi Yang, William Joseph Steele, Brian Thomas Thompson
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Publication number: 20220410481Abstract: A reclamation system for an additive manufacturing apparatus can include a collection structure configured to remove at least a portion of the resin from a foil. A containment vessel can be configured to retain the resin removed from the foil. A drain can direct the resin from the containment vessel to a reservoir.Type: ApplicationFiled: June 10, 2022Publication date: December 29, 2022Inventors: Trent William Muhlenkamp, Christopher David Barnhill, Meredith Elissa Dubelman, Carlos H. Bonilla, Brian Thomas Thompson, John Thomas Sterle
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Publication number: 20220402212Abstract: An additive manufacturing apparatus includes a support plate and a stage configured to hold a component formed of one or more cured layers of a resin. An actuator assembly is configured to change a relative position of the stage relative the support plate. A radiant energy device is positioned opposite to the stage such that it is operable to generate and project radiant energy in a pattern. A peeling device is positioned downstream of the window. The actuator assembly is configured to move the stage simultaneously with a resin support over the peeling device in an X-axis direction.Type: ApplicationFiled: June 10, 2022Publication date: December 22, 2022Inventors: Meredith Elissa Dubelman, William Joseph Steele, Christopher David Barnhill, Xi Yang
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Publication number: 20220402198Abstract: An additive manufacturing apparatus can include a stage configured to hold a component formed by one or more layers of resin. A support plate can be positioned above the stage. A radiant energy device can be positioned above the stage. The radiant energy device can be operable to generate and project energy in a predetermined pattern. A feed module can be configured to operably couple with a first end portion of a resin support and can be positioned upstream of the stage. A take-up module can be configured to operably couple with a second end portion of the resin support and can be positioned downstream of the stage.Type: ApplicationFiled: June 10, 2022Publication date: December 22, 2022Inventors: Mary Kathryn Thompson, Xi Yang, Meredith Elissa Dubelman, William Joseph Steele, Trent William Muhlenkamp, John Thomas Sterle, Christopher David Barnhill
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Patent number: 11498267Abstract: A method for producing a component layer-by-layer includes: providing two or more resin handling assemblies, each including a resin support which has at least a portion which is transparent, each resin support defining a build surface located in a build zone of the respective assembly; executing a build cycle, including: depositing on each build surface radiant-energy-curable resin, the resin on each build surface being a unique material combination; positioning a stage relative to one of the build surfaces to define a layer increment; selectively curing the resin using applied radiant energy so as to define a cross-sectional layer of the component; separating the component from the build surface; cleaning at least one of the component and the stage; and repeating the cycle, for a plurality of layers, wherein at least one of the layers is cured in each of the build zone. Apparatus is described for carrying out the method.Type: GrantFiled: September 4, 2019Date of Patent: November 15, 2022Assignee: General Electric CompanyInventors: Meredith Elissa Dubelman, Christopher Barnhill, Xi Yang, Mary Kathryn Thompson
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Patent number: 11498283Abstract: A method for forming a part layer by layer using an additive manufacturing apparatus. The additive manufacturing apparatus includes a resin support, a stage, a measuring system, and an actuator configured to change the relative position of the stage and the resin support. The method includes the steps of: performing an additive manufacturing cycle including the following steps: depositing an uncured layer of resin; moving the stage to a target location; curing the uncured layer of resin; and moving the stage away from the target location; repeating the additive manufacturing cycle; performing a measuring process wherein the measuring process includes the following steps: using the measuring system to take a measurement indicative of an actual position of a structure; comparing the actual position of the structure to an expected position of the structure to determine an error; and using the error to modify the target location.Type: GrantFiled: February 20, 2019Date of Patent: November 15, 2022Assignee: General Electric CompanyInventors: Meredith Elissa Dubelman, Mary Kathryn Thompson, Christopher Barnhill, Xi Yang
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Publication number: 20220339859Abstract: An additive manufacturing apparatus includes a support plate defining a window and a resin support configured to support an uncured layer of resin. A stage is configured to hold one or more cured layers of the resin to form a component positioned opposite a support plate. A radiant energy device is positioned on an opposite side of the resin support from the stage and is operable to generate and project radiant energy in a patterned image through the window. The stage is configured to move simultaneously with the resin support from a first position to a second position in an X-axis direction.Type: ApplicationFiled: April 26, 2022Publication date: October 27, 2022Inventors: William Joseph Steele, Christopher David Barnhill, Brian Thomas Thompson, Meredith Elissa Dubelman, Xi Yang
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Patent number: 11446860Abstract: An additive manufacturing apparatus configured to produce a component layer by layer. The manufacturing apparatus includes a support structure, a stage that is positioned opposite the support structure. The stage is configured to hold a stacked arrangement of one or more cured layers of a resin. The apparatus also includes one or more actuators operable to move the stage away from the support structure, and a radiant energy apparatus is positioned opposite the stage such that the support structure is positioned between the radiant energy apparatus and the stage. The radiant energy apparatus is operable to generate and project radiant energy through the support structure on the resin in a predetermined pattern. a foil separation device that includes at least one holddown device is configured such that the foil contacts the at least one holddown device as the stage is moved away from the support structure.Type: GrantFiled: August 16, 2019Date of Patent: September 20, 2022Assignee: General Electric CompanyInventors: Mary Kathryn Thompson, Meredith Elissa Dubelman, Christopher Barnhill, Xi Yang
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Patent number: 11433617Abstract: A method is provided for controlling an additive manufacturing process in which a layer of resin is deposited on a build surface and selectively cured via selective application of radiant energy so as to define the geometry of a cross-sectional layer of the component, such that uncured resin remaining on the build surface after curing defines a negative structure of the layer being cured. The method includes: using an imaging apparatus to produce an image of the negative structure; evaluating the image of the negative structure and controlling at least one aspect of the additive manufacturing process with reference to the image of the negative structure.Type: GrantFiled: January 29, 2019Date of Patent: September 6, 2022Assignee: General Electric CompanyInventors: Meredith Elissa Dubelman, Mary Kathryn Thompson, Christopher Barnhill
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Publication number: 20220274335Abstract: An additive manufacturing apparatus includes a feed module and a take-up module that are configured to operably couple with a foil. A stage is configured to hold one or more cured layers of a resin that form a component. A radiant energy device is positioned opposite to the at least one stage. The radiant energy device is operable to generate and project radiant energy in a predetermined pattern. An actuator is configured to change a relative position of the at least one stage and the foil. An accumulator is positioned between the feed module and the take-up module. The accumulator is configured to retain an intermediate portion of the foil to allow a first portion of the foil upstream of the accumulator to move at a first speed and a second portion of the foil downstream of the accumulator to move at a second speed during a defined time period.Type: ApplicationFiled: February 26, 2021Publication date: September 1, 2022Inventors: Mary Kathryn Thompson, Meredith Elissa Dubelman, Christopher David Barnhill, Xi Yang, Trent William Muhlenkamp, William Joseph Steele
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Publication number: 20220161488Abstract: An additive manufacturing apparatus includes a support plate and a foil supporting an uncured layer of a resin. A stage is configured to hold a component of one or more cured layers of the resin. One or more actuators is operable to move the stage away from the support plate in a Z-axis direction. A radiant energy device is positioned opposite the stage such that the support plate is positioned between the radiant energy device and the stage. A foil interaction device includes a first pneumatic actuation zone and a second pneumatic actuation zone. Each of the first and second pneumatic actuation zones is configured to apply a force on a surface of the foil. The first and second pneumatic actuation zones are fluidly separable and configured to apply varied pressures relative to one another to the surface of the foil.Type: ApplicationFiled: November 20, 2020Publication date: May 26, 2022Inventors: Meredith Elissa Dubelman, Christopher David Barnhill, Xi Yang, Lawrence William Nurre, Trent William Muhlenkamp, Mary Kathryn Thompson
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Publication number: 20220080494Abstract: A method is provided for casting a component. Accordingly, a casting core is provided within a cavity of a component mold. The casting core defines an inner component shape and includes a core wall. The core wall defines a core outer surface and a core inner surface disposed opposite the core outer surface. The core inner surface defines a core cavity. The casting core also includes a removal facilitation feature. The component is cast within the cavity of the component mold with the casting core positioned therein. The cast component is removed from the component mold and the casting core is removed from the cast component.Type: ApplicationFiled: September 14, 2020Publication date: March 17, 2022Inventors: Douglas Gerard Konitzer, Brian David Przeslawski, Xi Yang, Meredith Elissa Dubelman
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Publication number: 20220040921Abstract: An additive manufacturing machine includes: a resin support which has at least a portion which is transparent, wherein the resin support defines a build surface; a material depositor operable to deposit a resin which is radiant-energy-curable onto the build surface; at least two build stations, each build station including: a stage positioned adjacent the build zone and configured to hold a stacked arrangement of one or more cured layers of the resin; one or more actuators operable to manipulate a relative position of the stage and the build surface; and at least one radiant energy apparatus positioned opposite to the stage, and operable to generate and project radiant energy in a predetermined pattern.Type: ApplicationFiled: October 20, 2021Publication date: February 10, 2022Applicant: General Electric CompanyInventors: Meredith Elissa Dubelman, Mary Kathryn Thompson, Christopher Barnhill, Xi Yang
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Patent number: 11179891Abstract: An additive manufacturing machine includes: a resin support which has at least a portion which is transparent, wherein the resin support defines a build surface; a material depositor operable to deposit a resin which is radiant-energy-curable onto the build surface; at least two build stations, each build station including: a stage positioned adjacent the build zone and configured to hold a stacked arrangement of one or more cured layers of the resin; one or more actuators operable to manipulate a relative position of the stage and the build surface; and at least one radiant energy apparatus positioned opposite to the stage, and operable to generate and project radiant energy in a predetermined pattern.Type: GrantFiled: March 15, 2019Date of Patent: November 23, 2021Assignee: General Electric CompanyInventors: Meredith Elissa Dubelman, Mary Kathryn Thompson, Christopher Barnhill, Xi Yang
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Publication number: 20210339468Abstract: A method for producing a functionally graded component layer-by-layer includes: depositing radiant-energy-curable resin on a build surface defined by a resin support, the resin containing filler including at least two groups of particles with different physical properties; allowing the filler to settle such that the groups of particles separate from each other, defining at least two regions within the resin; positioning a stage relative to the build surface so as to define a layer increment in the resin; selectively curing the resin using an radiant energy applied in a specific pattern so as to define the geometry of a cross-sectional layer of the component; moving the build surface and the stage relatively apart so as to separate the component from the build surface; repeating at least the steps of positioning and selectively curing for a plurality of layers, until the component is complete.Type: ApplicationFiled: July 14, 2021Publication date: November 4, 2021Applicant: General Electric CompanyInventors: Meredith Elissa Dubelman, Xi Yang, Mary Kathryn Thompson
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Patent number: 11104066Abstract: A method for producing a functionally graded component layer-by-layer includes: depositing radiant-energy-curable resin on a build surface defined by a resin support, the resin containing filler including at least two groups of particles with different physical properties; allowing the filler to settle such that the groups of particles separate from each other, defining at least two regions within the resin; positioning a stage relative to the build surface so as to define a layer increment in the resin; selectively curing the resin using an radiant energy applied in a specific pattern so as to define the geometry of a cross-sectional layer of the component; moving the build surface and the stage relatively apart so as to separate the component from the build surface; repeating at least the steps of positioning and selectively curing for a plurality of layers, until the component is complete.Type: GrantFiled: December 23, 2018Date of Patent: August 31, 2021Assignee: General Electric CompanyInventors: Meredith Elissa Dubelman, Xi Yang, Mary Kathryn Thompson