Invention Grant
- Patent Title: Aircraft engine repair tool and method for removal and installation of a mid turbine frame in an aircraft engine
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Application No.: US18197209Application Date: 2023-05-15
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Publication No.: US12000302B2Publication Date: 2024-06-04
- Inventor: Carlo Porco , Geoffrey Henriksen , Jason Wedemire , Anthony Mathias , Michael Hunze , Louis Lavoie , Marven Paynter , Dennis Wilkinson
- Applicant: PRATT & WHITNEY CANADA CORP.
- Applicant Address: CA Longueuil
- Assignee: PRATT & WHITNEY CANADA CORP
- Current Assignee: PRATT & WHITNEY CANADA CORP
- Current Assignee Address: CA Longueuil
- Agency: Norton Rose Fulbright Canada LLP
- The original application number of the division: US17539785 2021.12.01
- Main IPC: F01D25/28
- IPC: F01D25/28 ; F01D25/24

Abstract:
An aircraft engine repair tool for installing and/or removing a mid turbine frame from a gas turbine engine is provided. The tool includes a stabilizer configured to support a shaft via a load path different from a load path provided by the mid turbine frame rotatably supporting the shaft about a rotation axis. The tool includes a holder attachable to the mid turbine frame, and a guide movably engageable with the shaft and attachable to the holder. The guide guides movement of the holder and of the mid turbine frame relative to the shaft along the rotation axis, and prevents movement of the holder and the mid turbine frame relative to the shaft transverse to the rotation axis when the mid turbine frame is released from the support structure and attached to the holder, and when the holder is attached to the guide.
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