Device for fixing turbomachine modules
WO2025242985A1PCT designated stage Publication Date: 2025-11-27SAFRAN AIRCRAFT ENGINES SAS
Patent Information
- Application Number
- PCT/FR2025/050418
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-05-24
- Filing Date
- 2025-05-15
- Publication Date
- 2025-11-27
AI Technical Summary
Technical Problem
The existing fastening devices for turbomachine modules are complex and difficult to use due to restricted access, requiring additional pins and multiple nuts that complicate the assembly process.
Method used
A fastening device comprising a main nut with two internal threads, a retaining nut, and an intermediate nut with serrated edges that allow for rotational fixation and axial mobility, simplifying the assembly by eliminating the need for additional pins and facilitating screwing operations.
Benefits of technology
The new fastening device simplifies the assembly process by allowing easier access and reducing the complexity of screwing operations, making it more efficient and user-friendly.
✦ Generated by Eureka AI based on patent content.
Smart Images

Figure FR2025050418_27112025_PF_FP_ABST
Abstract
A device (40) for fixing turbomachine modules, this device (40) comprising: - a first nut (50), called the main nut, - a second nut (52), called the retaining nut, which comprises an external thread (62) able to cooperate with the first nut (50), and - a third nut (54), called the intermediate nut (54), this intermediate nut (54) being axially movable in the first nut (50).
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Citation Information
Patent Citations
TURBOMACHINE COMPRISING SEVERAL MODULES AND A DEVICE FOR LOCKING THESE MODULES, AND CORRESPONDING DISASSEMBLY PROCEDURE
FR3140124A1
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