公开(公告)号：US20210355962A1

公开(公告)日：2021-11-18

申请号：US17272735

申请日：2019-08-28

Applicant: SAFRAN AIRCRAFT ENGINES

Inventor： Florent Louis Andre ROGNIN ,  Clement BOUROLLEAU ,  Serge DOMINGUES ,  Vincent Pascal FIORE ,  Anwer SIRAJ

IPC: F04D29/52 ,  F02C6/20 ,  F04D19/00

Abstract: The invention relates to a fan casing (200) for an aircraft turbomachine, such as a jet engine, said casing having a one-piece annular body (202), said body having a radially internal annular surface (206), a first annular portion (208) of which is made of abradable material, characterized in that a second annular portion (210) of said internal surface comprises blind holes (212) that confer acoustic properties on said second portion.

公开(公告)号：US20240295177A1

公开(公告)日：2024-09-05

申请号：US18003403

申请日：2021-06-29

Applicant: SAFRAN AIRCRAFT ENGINES

Inventor： Clement BOUROLLEAU ,  Clementine ARNOLD ,  Alexandre BRANCO ,  Serge DOMINGUES ,  Thomas DUPAYS ,  Vincent Pascal FIORE ,  Baptiste LEBLON ,  Anwer SIRAJ

IPC: F01D11/12 ,  F01D21/04

CPC classification number: F01D11/125 ,  F01D21/045 ,  F05D2220/36 ,  F05D2300/2102 ,  F05D2300/224

Abstract: A housing for an aircraft turbomachine, including an annular casing extending around an axis A and having an internal annular surface, the housing also including an annular abradable support cartridge that is fixed against the internal annular surface, the abradable support cartridge has a reinforced coating including a fibrous texture reinforcement embedded in a resin matrix, the fibrous texture reinforcement including a stack of fibrous texture plies, wherein the stack of plies includes at least one ply made of Kevlar® or of glass fibres.

公开(公告)号：US20220333496A1

公开(公告)日：2022-10-20

申请号：US17753547

申请日：2020-09-09

Applicant: SAFRAN AIRCRAFT ENGINES

Inventor： Thomas DUPAYS ,  Clement BOUROLLEAU ,  Coline POULENC ,  Anwer SIRAJ

IPC: F01D11/12 ,  F04D29/52

Abstract: The invention relates to a method for manufacturing an aircraft turbine engine housing, the housing (23) comprising: an annular shell (29) with axis A; —an annular element (24; 253, 254) attached to the inside of the shell (29), the annular element comprising a body (25) made of NIDA-type cellular material and comprising a downstream portion (252) covered with an abradable material (26), and an upstream portion (251) without abradable material, the body (25) extending in a continuous manner from the upstream portion (251) to the downstream portion (252), the method comprising: —manufacturing the annular element in the form of a continuous annular body, —cutting the annular body into segments (253, 254), —attaching the segments to the shell, and —depositing the abradable material (26) onto the inside surface (25a) of the downstream portion (252).