Combustion chamber with internal jacket made of a ceramic composite material and process for manufacture
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02K-011/00
출원번호
US-0717614
(2003-11-21)
등록번호
US-7293403
(2007-11-13)
우선권정보
DE-101 26 926(2001-06-01)
발명자
/ 주소
Beyer,Steffen
Knabe,Helmut
Preclik,Dieter
출원인 / 주소
Astrium GmbH
대리인 / 주소
Crowell & Moring LLP
인용정보
피인용 횟수 :
0인용 특허 :
22
초록▼
A combustion chamber, in particular for a rocket drive, includes at least one jacket madeof a composite material with a ceramic matrix. The composite material contains a fibrous structure made of carbon-containing fibers, and the fibrous structure comprises layers of fibers that form a three-dimensi
A combustion chamber, in particular for a rocket drive, includes at least one jacket madeof a composite material with a ceramic matrix. The composite material contains a fibrous structure made of carbon-containing fibers, and the fibrous structure comprises layers of fibers that form a three-dimensional matrix.
대표청구항▼
We claim: 1. A process for manufacturing a combustion chamber for a rocket drive, comprising: producing a fibrous structure comprising layers of carbon-containing fibers which form a three-dimensional matrix; producing a ceramic matrix composite material by feeding silicon into said fibrous structu
We claim: 1. A process for manufacturing a combustion chamber for a rocket drive, comprising: producing a fibrous structure comprising layers of carbon-containing fibers which form a three-dimensional matrix; producing a ceramic matrix composite material by feeding silicon into said fibrous structure to form a silicon carbide matrix; and making at least one composite material jacket of said combustion chamber from said composite material; wherein, said producing step comprises forming first, second and third layers of fibers or bundles of fibers, wherein fibers of said first layer extend in a first direction in space; fibers of said second layer extend in a second direction in space; and fibers of said third layer extend in a third direction in space; and wherein said first, second, and third layers penetrate each other at least partially; and said forming of first, second and third layers includes separating said fibers or bundles of fibers of the respective layers from each other such that in each layer, fibers or bundles of fibers of another layer can be disposed in resulting spaces. 2. A process according to claim 1, wherein said first, second and third layers of said fibrous structure are connected together by means of textile technology. 3. A process according to claim 2, wherein said first, second, and third layers are connected together by a technique selected from the group consisting of weaving and sewing. 4. A process according to claim 1, further comprising forming channel-shaped spaces in at least one of on the surface of the fibrous structure and in the fibrous structure. 5. A process according to claim 4, wherein said channel-shaped spaces are formed in the surface of the composite material by mechanical treatment. 6. A process according to claim 4, further comprising applying a metal coating at least to surface areas of the composite material that have said channel-shaped spaces. 7. A process according to claim 5, further comprising applying a metal coating at least to the surface areas of the composite material that have said channel-shaped spaces. 8. A process according to claim 1, further comprising arranging channel-shaped contracting bodies on at least one of on the surface of said fibrous structure and in said fibrous structure. 9. A process for manufacturing a combustion chamber for a rocket drive, comprising: producing a fibrous structure comprising layers of carbon-containing fibers which form a three-dimensional matrix, said three-dimensional matrix having first, second and third layers of fibers, wherein fibers of said first layer extend in a first direction in space; fibers of said second layer extend in a second direction in space; and fibers of said third layer extend in a third direction in space; producing a ceramic matrix composite material by feeding silicon into said fibrous structure to form a silicon carbide matrix; making at least one composite material jacket from said ceramic matrix composite material; affixing a load-bearing external jacket on said composite material jacket; and providing an intermediate layer between said external jacket and said composite material jacket, wherein a thermal expansion coefficient of said intermediate layer is between thermal expansion coefficients of said external jacket and of said composite material jacket. 10. A process according to claim 9, wherein: said external jacket comprises a metal material; said intermediate layer comprises a composite material with a metal matrix; said intermediate layer is affixed on said composite material jacket; and said external jacket is affixed on said intermediate layer. 11. A process according to claim 9, wherein said providing step comprises: first affixing a fibrous structure on said composite material jacket; and thereafter depositing a metal material on said fibrous structure with simultaneous infiltration of said fibrous structure with said metal material. 12. A process according to claim 10, wherein said metal material is deposited by means of electroplating. 13. A process for manufacturing an intermediate layer between an internal jacket and an external jacket of a combustion chamber for a rocket drive, comprising: affixing a fibrous structure made of carbon-containing fibers on the internal jacket; and depositing a metal material on said fibrous structure with simultaneous infiltration of the fibrous structure with said metal material; wherein at least one part of the internal jacket or the external jacket is made of a composite material with fibrous structure of carbon-containing fibers. 14. A process according to claim 13, wherein said metal material is deposited by means of electroplating. 15. The process according to claim 13, wherein said depositing step includes formation of said external jacket, substantially simultaneously with infiltration of the fibrous structure with said metal material. 16. The process according to claim 10, wherein said providing step comprises forming said metal matrix using the same metal material contained in said external jacket.
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