Inventor

DESJOYEAUX BERTRAND

FR38 patents

⚠️ This page may combine multiple inventors who share the name “DESJOYEAUX BERTRAND”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DESJOYEAUX BERTRAND

SAFRAN NACELLES

Acoustic panel for a nacelle of an aircraft propulsion unit, and related manufacturing methods

Acoustic attenuation structure with a plurality of attenuation degrees for a propulsion assembly of an aircraft

Expandable cellular system for a sandwich panel

Lobed tubular piece made of a composite with unidirectional fibers

Cell structure and acoustic attenuation device for a nacelle of an aircraft propulsion assembly

Tubular fibrous structure with lobes

Method for manufacturing a preform for composite materials

Preform for a curved composite stiffener for an axisymmetric part such as a collar

Method for manufacturing a preform for composite materials

Method for manufacturing a preform made of woven reinforcement fibers having a variable cross-section

Device for attaching an air inlet onto a fan casing of an aircraft turbojet nacelle

Porous ceramic material obtained by weaving and acoustic panel including such a material

Rear fairing for a turbojet engine pylon made of composite materials

Composite part with smooth outer face and manufacturing method thereof

Woven preform for producing a circumferential or toroidal reinforcement having an omega-shaped cross-section

Tool for manufacturing openwork elements such as cascades for aircraft nacelles and method using such a tool

Structural and/or acoustic panel of a nacelle of an aircraft propulsion assembly and related manufacturing method

Method for creating alveolar cores having open inner conical shapes

Acoustic attenuation panel for low-frequency waves

Acoustic attenuation panel and its manufacturing methods

Method for manufacturing an acoustic attenuation panel made of an oxide ceramic-matrix composite material

Acoustic treatment structure for an aircraft propulsion unit nacelle

AIRCELLE SA

Thrust reverser having locking/unlocking cascade vanes

Acoustic panel for a turbojet engine nacelle, with in-built fasteners

Woven preform for producing a circumferential or toroidal reinforcement having an omega-shaped cross-section

Aircraft engine air flow straightening vane and associated flow straightening structure

Turbojet engine nacelle

Method for manufacturing a structure with cellular cores for a turbojet nacelle

Unit for an aircraft thruster

Method for manufacturing an air intake structure for a turbojet engine nacelle

SAFRAN CERAM

Method for the production of a part made from a composite material

Facility for depositing a shaped filed roving

Method for manufacturing a part made from a composite material by means of the injection of a laden ceramic slurry into a fibrous structure

SAFRAN

Fiber structure for an axisymmetric component made of composite material with a varying diameter, and component comprising same

Thrust reverser cascade for an aircraft nacelle

MASSON RICHARD

Method for braiding reinforcing fibers with variation in the inclination of the braided fibers

DESCHAMPS THIERRY

Honeycomb core structure for use in a structural panel for a jet engine nacelle

DESJOYEAUX BERTRAND

Method for producing a part comprising a hollow body made from a composite material