Claims
- 1. A combustion chamber, comprising a flame tube means of high heat-resistant ceramic material, a casing-like metallic ring-shaped wall means surrounding the flame tube means which forms a liner, while leaving an intermediate space, air feed openings in the flame tube means so that air flows radially into the flame tube means through a large number of short pipe sections, said pipe sections passing through openings in the flame tube means and aperture means in the metallic wall means, a mounting means for the ring segments of the ceramic flame tube means which is assembled of sheet metal members in the casing-like wall means for the ring segments in such a manner that neither the sheet metal mounting means nor short pipe sections for the air supply have heat contact with respect to the flame tube means and that the cooling air is so conducted that it enters into the casing-like means at first into an intermediate space with respect to the sheet metal members, sweeps peripherally along the same before it flows by way of the short pipe sections through openings in the flame tube means into the combustion chamber and thereby partial flows enter into a second intermediate space between the sheet metal members and the flame tube means, directly adjacent the flame tube means and cooling the sheet metal members and flame tube means.
- 2. A combustion chamber according to claim 1, wherein said combustion chamber is part of a gas turbine propulsion unit.
- 3. A combustion chamber arrangement for gas turbine propulsion units, comprising;
- flame tube means of ceramic material defining a combustion space, said flame tube means comprising a plurality of ceramic parts disposed adjacent one another,
- metallic housing wall means surrounding the flame tube means to form air space means between the flame tube means and the housing wall means,
- sheet metal mounting wall means for mounting the ceramic parts of the flame tube means, said mounting wall means being disposed in between the housing wall means and the flame tube means and serving to subdivide the air space means into a first intermediate cooling air space at a side of the mounting wall means facing the housing wall means and a second intermediate cooling space at an opposite side of the mounting wall means facing the flame tube means,
- housing wall cooling air openings extending through the housing wall means and disposed at predetermined positions over the surface of the housing wall means for supplying cooling air to the first intermediate cooling air space,
- and cooling air guide means disposed at predetermined positions over the surface of the housing wall means at a spacing from the respective ones of said housing wall cooling air openings and including means for guiding cooling air flow in the first intermediate cooling air space in a peripheral direction over the surface of the mounting wall means and then through the flame tube means into the combustion space.
- 4. A combustion chamber arrangement according to claim 3, further comprising mounting wall cooling air openings for supplying cooling air from said first intermediate cooling air space to said second cooling air space.
- 5. A combustion chamber arrangement according to claim 4, further comprising cooling air deflecting means at said mounting wall cooling air opening for deflecting the cooling air flow from said first intermediate cooling air spaces so that said cooling air flows in a peripheral direction along the mounting wall means in said second intermediate cooling air space.
- 6. A combustion chamber arrangement according to claim 5, wherein openings are provided at junction planes of said ceramic parts for communicating cooling air from the second intermediate cooling air space to the combustion space.
- 7. A combustion chamber arrangement according to claim 3, wherein said ceramic parts are part annular ring shaped parts, wherein said sheet metal mounting wall means annularly surround the ceramic parts, said sheet metal mounting wall means including a reflecting coating on the side thereof facing the second intermediate cooling air space.
- 8. A combustion chamber arrangement according to claim 4, wherein said ceramic parts are part annular ring shaped parts, wherein said sheet metal mounting wall means annularly surround the ceramic parts, said sheet metal mounting wall means including a reflecting coating on the side thereof facing the second intermediate cooling air space.
- 9. A combustion chamber arrangement according to claim 5, wherein said ceramic parts are part annular ring shaped parts, wherein said sheet metal mounting wall means annularly surround the ceramic parts, said sheet metal mounting wall means including a reflecting coating on the side thereof facing the second intermediate cooling air space.
- 10. A combustion chamber arrangement according to claim 6, wherein said ceramic parts are part annular ring shaped parts, wherein said sheet metal mounting wall means annularly surround the ceramic parts, said sheet metal mounting wall means including a reflecting coating on the side thereof facing the second intermediate cooling air space.
- 11. A combustion chamber arrangement according to claim 7, wherein said cooling air guide means includes short radially extending pipe means extending from the housing wall means to respecting openings in said flame tube means, said pipe means including lateral openings communicating with the first intermediate cooling air space means.
- 12. A combustion chamber arrangement according to claim 6, wherein said cooling air guide means includes short radially extending pipe means extending from the housing wall means to respecting openings in said flame tube means, said pipe means including lateral openings communicating with the first intermediate cooling air space means.
- 13. A combustion chamber arrangement according to claim 5, wherein said cooling air guide means includes short radially extending pipe means extending from the housing wall means to respecting openings in said flame tube means, said pipe means including lateral openings communicating with the first intermediate cooling air space means.
Priority Claims (1)
Number |
Date |
Country |
Kind |
3519938 |
Jun 1985 |
DEX |
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Parent Case Info
This is a continuation, of application Ser. No. 870,371, filed June 4, 1986, now abandoned.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
2544538 |
Mahnken et al. |
Mar 1951 |
|
3956886 |
Sedgwick |
May 1975 |
|
4422300 |
Dierberger et al. |
Dec 1983 |
|
Continuations (1)
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Number |
Date |
Country |
Parent |
870371 |
Jun 1986 |
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