Composite aeronautical part comprising an overmolded portion

By using a composite material body impregnated with thermoplastic material and applying a thermoplastic protective element through overmolding, the challenges of reducing environmental impact and improving performance in aeronautical parts are addressed, resulting in a sustainable, lightweight, and robust solution.

FR3153280A1Pending Publication Date: 2025-03-28SAFRAN AIRCRAFT ENGINES SAS
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Patent Information

Application Number
FR2023010220
Authority / Receiving Office
FR · FR
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-09-26
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

Aeronautical parts, particularly turbine blades, face challenges in reducing environmental impact and improving performance while adhering to stringent safety and regulatory standards, especially concerning weight, durability, and geometric complexity.

Method used

The development of a composite aeronautical part with a body made of composite material, partially impregnated with a thermoplastic material, and a protective element made of thermoplastic material applied through overmolding, enhancing sustainability and structural integrity.

Benefits of technology

This solution results in a lightweight, sustainable, and robust aeronautical part that reduces environmental impact, improves energy efficiency, and meets stringent safety and regulatory requirements, while allowing for precise geometric adaptation and reliable assembly.

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Abstract

Aeronautical part (10) comprising a body (11) made of composite material having a portion that is at least partially impregnated with a thermoplastic impregnation material (30) and a protective element (34, 44) comprising a thermoplastic construction material that is overmolded onto the portion. Method for manufacturing such a part. Figure for the abstract: Figure 10
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