Patents by Inventor Jinjie Shi
Jinjie Shi 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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Patent number: 11858067Abstract: A build plate-clamping assembly may include a work station having a build plate-receiving surface and a lock-pin extending from the build plate-receiving surface of the work station. The lock-pin may include a hollow pin body, a piston disposed within the hollow pin body, with the piston axially movable from a retracted position to an actuated position, and a plurality of detents, with the plurality of detents radially extensible through respective ones of a plurality of detent-apertures in the hollow pin body responsive to the piston having been axially moved to the actuated position. A methods of working on workpieces may include lockingly engaging a build plate at a first work station, performing a first work-step, releasing the build plate from the first work station, lockingly engaging the build plate at a second work station, and performing a second work-step.Type: GrantFiled: May 13, 2022Date of Patent: January 2, 2024Assignee: General Electric CompanyInventors: Glen Charles Fedyk, Jinjie Shi, Joseph Edward Hampshire, Richard Roy Worthing, Jr.
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Patent number: 11813798Abstract: A method of additively printing an extension segment on a workpiece includes pretreating a workpiece-interface of the workpiece using an energy beam emitted from an energy beam source of an additive manufacturing machine, providing a pretreated workpiece-interface having received a pretreatment, with the pretreatment remediating an aberrant feature of the workpiece and/or the workpiece-interface. The method further includes additively printing an extension segment on the pretreated workpiece-interface using an energy beam emitted from the energy beam source of the additive manufacturing machine. The aberrant feature includes one or more aberrant regions of the workpiece-interface having been determined from a digital representation of the workpiece-interface captured by a vision system. The pretreatment includes heat-conditioning at least a portion of the workpiece-interface including the one or more aberrant regions of the workpiece-interface.Type: GrantFiled: March 16, 2022Date of Patent: November 14, 2023Assignee: General Electric CompanyInventors: Jinjie Shi, Richard Roy Worthing, Jr., Hongqing Sun
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Publication number: 20230311407Abstract: A tooling assembly for mounting a plurality of components, such as compressor blades, in a powder bed additive manufacturing machine to facilitate a repair process is provided. The tooling assembly includes component fixtures configured for receiving each of the compressor blades, a mounting plate for receiving the component fixtures, and a complementary fixture defining a plurality of voids within which the compressor blades are received when the complementary fixture is mounted to the mounting plate such that less powder is required to fill the powder bed.Type: ApplicationFiled: June 7, 2023Publication date: October 5, 2023Inventors: Hongqing Sun, Jinjie Shi, Andrew Ezekiel Wessman
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Publication number: 20230302725Abstract: A method for additively printing extension segments on workpieces using an additive manufacturing machine includes controlling, with a computing system, an operation of a print head of the machine such that a region of interest of a build plate of the machine is scanned with an electromagnetic radiation beam. Additionally, the method includes receiving, with the computing system, data associated with reflections of the beam off of the build plate as the region interest is scanned. Furthermore, the method includes receiving, with the computing system, data associated with a location of the beam relative to the build plate. Moreover, the method includes determining, with the computing system, a location of a workpiece interface based on the received data. In addition, the method includes controlling, with the computing system, the operation of the print head such that an extension segment is additively printed on the determined workpiece interface.Type: ApplicationFiled: May 18, 2023Publication date: September 28, 2023Applicant: General Electric CompanyInventors: Xiaolei Shi, Jinjie Shi, Joseph Edward Hampshire, Douglas Frank Hofmann, Pinghai Yang
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Patent number: 11691336Abstract: A method for additively printing extension segments on workpieces using an additive manufacturing machine includes controlling, with a computing system, an operation of a print head of the machine such that a region of interest of a build plate of the machine is scanned with an electromagnetic radiation beam. Additionally, the method includes receiving, with the computing system, data associated with reflections of the beam off of the build plate as the region interest is scanned. Furthermore, the method includes receiving, with the computing system, data associated with a location of the beam relative to the build plate. Moreover, the method includes determining, with the computing system, a location of a workpiece interface based on the received data. In addition, the method includes controlling, with the computing system, the operation of the print head such that an extension segment is additively printed on the determined workpiece interface.Type: GrantFiled: November 11, 2020Date of Patent: July 4, 2023Assignee: General Electric CompanyInventors: Xiaolei Shi, Jinjie Shi, Joseph Edward Hampshire, Douglas Frank Hofmann, Pinghai Yang
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Patent number: 11583922Abstract: A tooling assembly and method of aligning a plurality of components for a repair process in an additive manufacturing machine includes positioning the plurality of components such that a repair surface of each of the plurality of components contacts an alignment plate, e.g., under the force of gravity or using biasing members. The method further includes surrounding the alignment plate with containment walls to define a reservoir around the plurality of components and dispensing a fill material, such as wax or a potting material, into the reservoir which is configured for fixing a relative position of the plurality of components when the fill material is solidified.Type: GrantFiled: March 7, 2022Date of Patent: February 21, 2023Assignee: GENERAL ELECTRIC COMPANYInventors: Jinjie Shi, Richard Roy Worthing, Jr., Joseph Edward Hampshire
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Publication number: 20230034833Abstract: A build plate-clamping assembly may include a work station having a build plate-receiving surface and a lock-pin extending from the build plate-receiving surface of the work station. The lock-pin may include a hollow pin body, a piston disposed within the hollow pin body, with the piston axially movable from a retracted position to an actuated position, and a plurality of detents, with the plurality of detents radially extensible through respective ones of a plurality of detent-apertures in the hollow pin body responsive to the piston having been axially moved to the actuated position. A methods of working on workpieces may include lockingly engaging a build plate at a first work station, performing a first work-step, releasing the build plate from the first work station, lockingly engaging the build plate at a second work station, and performing a second work-step.Type: ApplicationFiled: May 13, 2022Publication date: February 2, 2023Inventors: Glen Charles Fedyk, Jinjie Shi, Joseph Edward Hampshire, Richard Roy Worthing, JR.
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Patent number: 11498132Abstract: Additive manufacturing systems, methods, and computer readable media may be configured to perform a calibration. Calibrating an additive manufacturing system may include comparing a digital representation of one or more calibration marks to a calibration-CAD model that includes one or more model calibration marks, and applying a calibration adjustment to one or more CAD models based at least in part on the comparison. The digital representation of the one or more calibration marks may have been obtained using a vision system, and the one or more calibration marks may have been printed on a calibration surface according to the calibration-CAD model using an additive manufacturing machine. The calibration adjustment may be configured to align the one or more CAD models with one or more coordinates of the additive manufacturing system.Type: GrantFiled: January 30, 2019Date of Patent: November 15, 2022Assignee: General Electric CompanyInventors: Jinjie Shi, Richard Roy Worthing, Jr., Joseph Edward Hampshire
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Patent number: 11465245Abstract: A tooling assembly for mounting a plurality of components, such as compressor blades, in a powder bed additive manufacturing machine to facilitate a repair process is provided. The tooling assembly includes component fixtures configured for receiving each of the compressor blades, a mounting plate for receiving the component fixtures, and a magnet assembly operably coupling the component fixtures to the mounting plate in a desired position and orientation to facilitate an improved printing process.Type: GrantFiled: January 30, 2019Date of Patent: October 11, 2022Assignee: General Electric CompanyInventors: Joseph Edward Hampshire, Jinjie Shi
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Patent number: 11458681Abstract: An additive manufacturing machine includes a build platform being movable along a build direction and a powder supply assembly for dispensing additive powder above a build plane. A recoating assembly is used for spreading the additive powder into a build layer on the powder bed. The recoating assembly includes a support beam that slidably supports a recoater blade and moves along a recoater direction over the powder bed. A blade positioning mechanism adjusts the vertical position of the recoater blade in response to measurements from a sensing device which measures a tip clearance between the recoater blade and the build plane. The tip clearance may be measured along the length of the recoater blade while stationary and while moving along the recoater direction to obtain a smooth and level layer of additive powder.Type: GrantFiled: January 30, 2019Date of Patent: October 4, 2022Assignee: General Electric CompanyInventors: Jinjie Shi, Richard Roy Worthing, Jr.
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Publication number: 20220281175Abstract: A laser calibration device for calibrating an energy beam used in additive manufacturing, the laser calibration device including a body configured to be disposed in an additive manufacturing process chamber; a cover for the body, the cover comprising a plurality of holes; a photodiode; and a coating disposed on the body and configured to optically couple the photodiode with the plurality of holes, wherein the photodiode is configured to sense one or more parameters of the energy beam for determining calibrating instructions for the energy beam.Type: ApplicationFiled: March 2, 2021Publication date: September 8, 2022Inventors: Xiaolei Shi, Jinjie Shi, Victor Petrovich Ostroverkhov, Udo Burggraf, Joseph Edward Hampshire, Pinghai Yang
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Patent number: 11426799Abstract: An additive manufacturing machine for repairing a component includes a build platform that supports the component and a powder dispensing assembly for selectively depositing additive powder over the build platform. A powder seal assembly includes a powder support plate positioned above the build platform and defining an aperture for receiving the component without contacting the component. A clamping mechanism is movable relative to the powder support plate and defines a void for receiving a resilient sealing element around the aperture. An actuating mechanism, such as bolts or a linear actuator, moves the clamping mechanism toward the powder support plate to deform the resilient sealing element until the resilient sealing element contacts and forms a seal with the component.Type: GrantFiled: January 30, 2019Date of Patent: August 30, 2022Assignee: GENERAL ELECTRIC COMPANYInventors: Jinjie Shi, Richard Roy Worthing, Jr.
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Patent number: 11407035Abstract: An additive manufacturing machine for repairing a component includes a build platform that supports the component and a powder dispensing assembly for selectively depositing additive powder over the build platform. A powder seal assembly includes a powder support plate positioned above the build platform and defining an aperture for receiving the component without contacting the component. An inflatable sealing element is operably coupled to the powder support plate around the aperture and is inflated to contact and seal against the component, thereby forming a support surface above the build platform upon which additive powder may be deposited.Type: GrantFiled: January 30, 2019Date of Patent: August 9, 2022Assignee: GENERAL ELECTRIC COMPANYInventors: Jinjie Shi, Scott Mitchel Lowe, Matthew Scott Langford, Jolene Ranae Grethel
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Publication number: 20220227061Abstract: A method of additively printing an extension segment on a workpiece includes pretreating a workpiece-interface of the workpiece using an energy beam emitted from an energy beam source of an additive manufacturing machine, providing a pretreated workpiece-interface having received a pretreatment, with the pretreatment remediating an aberrant feature of the workpiece and/or the workpiece-interface. The method further includes additively printing an extension segment on the pretreated workpiece-interface using an energy beam emitted from the energy beam source of the additive manufacturing machine. The aberrant feature includes one or more aberrant regions of the workpiece-interface having been determined from a digital representation of the workpiece-interface captured by a vision system. The pretreatment includes heat-conditioning at least a portion of the workpiece-interface including the one or more aberrant regions of the workpiece-interface.Type: ApplicationFiled: March 16, 2022Publication date: July 21, 2022Inventors: Jinjie Shi, Richard Roy Worthing, JR., Hongqing Sun
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Publication number: 20220184698Abstract: A tooling assembly and method of aligning a plurality of components for a repair process in an additive manufacturing machine includes positioning the plurality of components such that a repair surface of each of the plurality of components contacts an alignment plate, e.g., under the force of gravity or using biasing members. The method further includes surrounding the alignment plate with containment walls to define a reservoir around the plurality of components and dispensing a fill material, such as wax or a potting material, into the reservoir which is configured for fixing a relative position of the plurality of components when the fill material is solidified.Type: ApplicationFiled: March 7, 2022Publication date: June 16, 2022Inventors: Jinjie Shi, Richard Roy Worthing, JR., Joseph Edward Hampshire
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Patent number: 11344979Abstract: A build plate-clamping assembly may include a work station having a build plate-receiving surface and a lock-pin extending from the build plate-receiving surface of the work station. The lock-pin may include a hollow pin body, a piston disposed within the hollow pin body, with the piston axially movable from a retracted position to an actuated position, and a plurality of detents, with the plurality of detents radially extensible through respective ones of a plurality of detent-apertures in the hollow pin body responsive to the piston having been axially moved to the actuated position. A methods of working on workpieces may include lockingly engaging a build plate at a first work station, performing a first work-step, releasing the build plate from the first work station, lockingly engaging the build plate at a second work station, and performing a second work-step.Type: GrantFiled: January 30, 2019Date of Patent: May 31, 2022Assignee: General Electric CompanyInventors: Glen Charles Fedyk, Jinjie Shi, Joseph Edward Hampshire, Richard Roy Worthing, Jr.
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Publication number: 20220143907Abstract: A method for additively printing extension segments on workpieces using an additive manufacturing machine includes controlling, with a computing system, an operation of a print head of the machine such that a region of interest of a build plate of the machine is scanned with an electromagnetic radiation beam. Additionally, the method includes receiving, with the computing system, data associated with reflections of the beam off of the build plate as the region interest is scanned. Furthermore, the method includes receiving, with the computing system, data associated with a location of the beam relative to the build plate. Moreover, the method includes determining, with the computing system, a location of a workpiece interface based on the received data. In addition, the method includes controlling, with the computing system, the operation of the print head such that an extension segment is additively printed on the determined workpiece interface.Type: ApplicationFiled: November 11, 2020Publication date: May 12, 2022Inventors: Xiaolei Shi, Jinjie Shi, Joseph Edward Hampshire, Douglas Frank Hofmann, Pinghai Yang
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Publication number: 20220128236Abstract: A seal assembly to seal a gas turbine hot gas path flow at an interface of a combustor liner and a downstream component, such as a stage one turbine nozzle, in a gas turbine. The seal assembly including a piston ring seal housing, defining a cavity, and a piston ring disposed within the cavity. The piston ring disposed circumferentially about the combustor liner. The piston ring is responsive to a regulated pressure to secure sealing engagement of the piston ring and outer surface of the combustor liner. The seal assembly includes at least one of one or more sectional through-slots, bumps or channel features to provide for a flow therethrough of a high-pressure (Phigh) bypass airflow exiting a compressor to the cavity. The high-pressure (Phigh) bypass airflow exerting a radial force on the piston ring.Type: ApplicationFiled: January 6, 2022Publication date: April 28, 2022Inventors: Jinjie Shi, Robert Proctor, Jason Paul Hoppa, Stephen Gerard Schadewald, Christopher Edward Wolfe, Kirk Douglas Gallier
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Patent number: 11298884Abstract: Methods of additively printing an extension segment on a workpiece may include pretreating a workpiece-interface of a workpiece using an energy beam from an additive manufacturing machine, providing a pretreated workpiece-interface having received a pretreatment, with the pretreatment remediating an aberrant feature of the workpiece and/or the workpiece-interface. Such methods may additionally include additively printing an extension segment on the pretreated workpiece-interface using the energy beam from the additive manufacturing machine. Exemplary additive manufacturing system for printing an extension segment on a workpiece may include a controller operably coupled to a vision system and an additive manufacturing machine.Type: GrantFiled: June 7, 2019Date of Patent: April 12, 2022Assignee: General Electric CompanyInventors: Jinjie Shi, Richard Roy Worthing, Jr., Hongqing Sun
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Patent number: 11285538Abstract: A tooling assembly and method of aligning a plurality of components for a repair process in an additive manufacturing machine includes positioning the plurality of components such that a repair surface of each of the plurality of components contacts an alignment plate, e.g., under the force of gravity or using biasing members. The method further includes surrounding the alignment plate with containment walls to define a reservoir around the plurality of components and dispensing a fill material, such as wax or a potting material, into the reservoir which is configured for fixing a relative position of the plurality of components when the fill material is solidified.Type: GrantFiled: January 30, 2019Date of Patent: March 29, 2022Assignee: General Electric CompanyInventors: Jinjie Shi, Richard Roy Worthing, Jr., Joseph Edward Hampshire