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公开(公告)号：US20250163599A1
公开(公告)日：2025-05-22
申请号：US18542881
申请日：2023-12-18
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Srinivasan Swaminathan , Shalini Thimmegowda , Chirayu Pradip Inamdar , Guru Venkata Dattu Jonnalagadda , Udaya Bhaskar Pamidimarri
Abstract: An electroforming system and method includes disposing a cathode defining a mandrel within an electrolytic solution, and applying a voltage to the cathode in the electrolytic solution to form a coating on the cathode. The coating can be formed as an amorphous coating, having no discernible grain boundaries or no discernible long-range order.
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公开(公告)号：US11828235B2
公开(公告)日：2023-11-28
申请号：US17473233
申请日：2021-09-13
Applicant: General Electric Company
Inventor： Peeyush Pankaj , Narayanan Payyoor , Shashank Suresh Puranik , Arvind Kumar Rao , Praveen Sharma , Chirayu Pradip Inamdar , Vidyashankar Ramasastry Buravalla , Sankarapandian Palaniappan , Sampath Karthikeyan
CPC classification number: F02C7/36 , F16H57/0006 , F16H57/02 , F05D2220/32 , F05D2260/40311 , F05D2260/96 , F16F2222/02 , F16F2224/0258 , F16H2057/02039 , F16H2057/085
Abstract: An epicyclic gearbox is configured to transfer rotational motion between a first rotating component and a second rotating component of the gas turbine engine. The gearbox includes a centrally located sun gear, two or more planet gears circumscribing the sun gear, and a ring gear circumscribing the plurality of planet gears. The gearbox is configured such that the sun gear is drivingly coupled to the first rotating component, such that rotation of the sun gear causes rotation of each planet gear, and such that the ring gear rotates relative to the plurality of planet gears. The gearbox includes one or more shape memory alloy dampers provided in association with the sun gear, the ring gear, and/or the plurality of planet gears. The shape memory alloy damper(s) is configured in order to reduce vibrations transferred through the epicyclic gearbox to the frame, the first rotating component, and/or the second rotating component.
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公开(公告)号：US20220178310A1
公开(公告)日：2022-06-09
申请号：US17473233
申请日：2021-09-13
Applicant: General Electric Company
Inventor： Peeyush Pankaj , Narayanan Payyoor , Shashank Suresh Puranik , Arvind Kumar Rao , Praveen Sharma , Chirayu Pradip Inamdar , Vidyashankar Ramasastry Buravalla , Sankarapandian Palaniappan , Sampath Karthikeyan
Abstract: An epicyclic gearbox is configured to transfer rotational motion between a first rotating component and a second rotating component of the gas turbine engine. The gearbox includes a centrally located sun gear, two or more planet gears circumscribing the sun gear, and a ring gear circumscribing the plurality of planet gears. The gearbox is configured such that the sun gear is drivingly coupled to the first rotating component, such that rotation of the sun gear causes rotation of each planet gear, and such that the ring gear rotates relative to the plurality of planet gears. The gearbox includes one or more shape memory alloy dampers provided in association with the sun gear, the ring gear, and/or the plurality of planet gears. The shape memory alloy damper(s) is configured in order to reduce vibrations transferred through the epicyclic gearbox to the frame, the first rotating component, and/or the second rotating component.
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