公开(公告)号：US11958784B2

公开(公告)日：2024-04-16

申请号：US18257029

申请日：2021-12-08

Applicant: SAFRAN CERAMICS

Inventor： Arnaud Delehouze ,  Eric Bouillon ,  Gildas Garnier ,  Clément Marie Benoît Roussille

IPC: C04B35/657 ,  C04B35/628 ,  C04B35/80 ,  F01D5/28

CPC classification number: C04B35/657 ,  C04B35/62844 ,  C04B35/80 ,  F01D5/282 ,  C04B2235/5256 ,  C04B2235/616 ,  F05D2230/22 ,  F05D2300/6033

Abstract: A method for manufacturing a turbomachine blade made of ceramic matrix composite component includes at least a structural part and a functional part secured to the structural part, the method including obtaining an assembly including a first preform of the functional part that is mounted on a second preform of the structural part or on the structural part, the first preform including a fibrous reinforcement of short fibres, and the second preform or the structural part comprising a woven fibrous reinforcement, and densification of the first preform of the assembly by infiltration with a molten composition.

公开(公告)号：US12104497B2

公开(公告)日：2024-10-01

申请号：US18250898

申请日：2021-10-27

Applicant: SAFRAN CERAMICS

Inventor： Gildas Garnier ,  Jean-François Henne

IPC: F01D25/00 ,  F01D9/04 ,  F01D11/00 ,  F01D25/24

CPC classification number: F01D25/005 ,  F01D9/04 ,  F01D11/005 ,  F01D25/246 ,  F05D2300/20 ,  F05D2300/6033

Abstract: An assembly for a turbine includes a plurality of sectors which are adjacent to one another, each sector including at least one connecting edge of composite material with a ceramic matrix, each connecting edge including at least one groove and a sealing tongue present in each groove. Each sealing tongue has a laminated structure comprising a plurality of strips the lower strip and the upper strip of the laminated structure, each being formed by a film of monolithic ceramic material.

公开(公告)号：US12115486B2

公开(公告)日：2024-10-15

申请号：US17618214

申请日：2020-06-30

Applicant: SAFRAN CERAMICS

Inventor： Benjamin Lacombe ,  Gildas Garnier

IPC: B01D46/24 ,  B28B1/00 ,  B33Y10/00 ,  B33Y80/00 ,  C04B35/628 ,  C04B35/657 ,  C04B35/78 ,  C04B38/00

CPC classification number: B01D46/24491 ,  B01D46/2429 ,  B01D46/24492 ,  B01D46/2455 ,  B01D46/2482 ,  B01D46/2484 ,  B33Y80/00 ,  C04B35/62884 ,  C04B35/657 ,  C04B35/78 ,  C04B38/0051 ,  C04B38/0074 ,  B28B1/001 ,  B33Y10/00 ,  C04B2235/3826 ,  C04B2235/422 ,  C04B2235/52

Abstract: A porous ceramic structure intended to form the reinforcement of a ceramic matrix composite component, the structure having a connected porosity delimited by an internal surface which includes a plurality of first points, each first point being associated with a second point aligned with this first point along a normal to the internal surface taken at the first point, the structure being divisible into a plurality of unit volumes of a size less than or equal to 5 mm3 in each of which: a characteristic pore length, corresponding to the maximum of the distance separating each first point from its associated second point, is less than or equal to 0.5 mm; and a porosity ratio is greater than or equal to 50%.

公开(公告)号：US12110256B2

公开(公告)日：2024-10-08

申请号：US17265359

申请日：2019-07-23

Applicant: SAFRAN CERAMICS

Inventor： Eric Bouillon ,  Eric Philippe ,  Gildas Garnier ,  Maxime François Roger Carlin ,  Michael Verrilli

IPC: C04B35/80 ,  C04B35/563 ,  C04B35/565 ,  C04B35/571 ,  C04B35/58 ,  C04B35/584 ,  C04B35/628 ,  F01D5/28

CPC classification number: C04B35/80 ,  C04B35/563 ,  C04B35/565 ,  C04B35/571 ,  C04B35/58092 ,  C04B35/584 ,  C04B35/62863 ,  F01D5/284 ,  C04B2235/5244 ,  C04B2235/5268 ,  C04B2235/616 ,  F05D2300/6033

Abstract: A process for manufacturing a part made of composite material with a matrix at least predominantly made of ceramic includes producing a fibrous structure by three-dimensional or multilayer weaving; shaping the fibrous structure to form a fibrous preform core; depositing an interphase on the fibers of the preform core; consolidating the preform core by partial densification of the core including the formation of a matrix phase by chemical vapor infiltration or by a liquid process; depositing a powder of ceramic particles in the porosity of the preform core; draping one or more layers of pre-impregnated non-woven fibers over all or part of the outer surface of the preform core; heat treatment of the preform core and of the pre-impregnated layer(s) to form a hybrid fibrous preform; further densifying by infiltration of the hybrid fibrous preform with an infiltration composition containing at least silicon to obtain a ceramic matrix composite part.