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公开(公告)号：US20240167423A1
公开(公告)日：2024-05-23
申请号：US17990343
申请日：2022-11-18
Applicant: Collins Engine Nozzles, Inc.
Inventor： Thomas J. Ocken , Murtuza Lokhandwalla , Mark J. Kelly , Andrew M. Caldecutt , Jerry Logsdon , Nathan DeVore , Joseph Samo
CPC classification number: F02C7/22 , B23H7/08 , B23H9/14 , F05D2220/323 , F05D2230/12 , F05D2260/607
Abstract: A method of manufacturing a last chance screen for an aircraft engine includes forming an array of holes through a metal sheet with a wire electrode using electrical discharge machining. The array of holes comprises a plurality of holes. Each hole of the plurality of holes comprises a first end and a second end and is surrounded by a wall section such that the last chance screen is defined by the plurality of holes and the plurality of wall sections. The first and second end of each hole are widened by either applying a flow of an abrasive flow medium to the array of holes in two directions or using a conical sinker electrode on either side of the metal sheet. Shaping the first and second end of each hole results in an airfoil-shaped cross-section of each wall section.
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公开(公告)号：US12214303B2
公开(公告)日：2025-02-04
申请号：US17990343
申请日：2022-11-18
Applicant: Collins Engine Nozzles, Inc.
Inventor： Thomas J. Ocken , Murtuza Lokhandwalla , Mark J. Kelly , Andrew M. Caldecutt , Jerry Logsdon , Nathan DeVore , Joseph Samo
Abstract: A method of manufacturing a last chance screen for an aircraft engine includes forming an array of holes through a metal sheet with a wire electrode using electrical discharge machining. The array of holes comprises a plurality of holes. Each hole of the plurality of holes comprises a first end and a second end and is surrounded by a wall section such that the last chance screen is defined by the plurality of holes and the plurality of wall sections. The first and second end of each hole are widened by either applying a flow of an abrasive flow medium to the array of holes in two directions or using a conical sinker electrode on either side of the metal sheet. Shaping the first and second end of each hole results in an airfoil-shaped cross-section of each wall section.
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公开(公告)号：US11774102B2
公开(公告)日：2023-10-03
申请号：US17336610
申请日：2021-06-02
Applicant: Collins Engine Nozzles, Inc.
Inventor： Jacob Greenfield , Thomas J. Ocken , Jason A. Ryon
CPC classification number: F23R3/60 , F23R3/002 , F23R3/283 , F23R2900/00005
Abstract: An assembly for a turbomachine can include a fuel nozzle and a combustion liner. The fuel nozzle and the combustion liner can be attached to each using a plurality of clip joints such that the combustion liner is longitudinally fixed relative to the fuel nozzle but such that the combustion liner can radially move relative to the fuel nozzle.
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公开(公告)号：US20240042696A1
公开(公告)日：2024-02-08
申请号：US18381280
申请日：2023-10-18
Applicant: Collins Engine Nozzles, Inc.
Inventor： Joseph Samo , Thomas J. Ocken , Nancy Hallbauer , Robert W. Vierhout
IPC: B29C64/386 , B29C64/153 , B29C64/255
CPC classification number: B29C64/386 , B29C64/153 , B29C64/255 , B33Y10/00
Abstract: A system comprising an additive manufacturing machine configured to fuse stock powder, a supply vessel connected to the additive manufacturing machine for supplying the stock powder to the additive manufacturing machine, and a weight sensor system connected to the supply vessel. A controller operatively is connected to the weight sensor system configured to receive signals indicative of a weight of the stock powder in the supply vessel. The controller is configured to determine weight of the stock powder based on the signals.
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