Claims
- 1. A fuel injector arrangement for injecting fuel into a high temperature supersonic gas flow bounded by a wall, having an inner and outer side comprising:
- an elongated fuel injector extending through and substantially perpendicular to said wall;
- a seal carrier comprised of an inner plate, a central plate and an outer plate, said plates having inner faces and outer faces and edges and being parallel to each other and to said wall, and surrounding said injector;
- joining means for compressively joining said plates;
- an inner wedge seal between the edge of said inner and central plates adjacent said injector and in contact with said injector;
- a outer wedge seal between the edges of said outer and central plates adjacent said injector and in contact with said injector;
- said seal carrier countersunk in said wall from the outerside thereof;
- an inner face seal located on the inner face of said inner plate surrounding but spaced from said injector;
- an outer face seal located on said outer face of said outer plate surrounding but spaced from said injector;
- a cover plate sealingly secured to said wall and compressing said seal carrier inner and outer face seals; and
- a coolant flow path through said wall and into a plenum surrounding said seal carrier outside said face seals.
- 2. A fuel injector arrangement as in claim 1 further comprising:
- openings through said central plate from said plenum to a location adjacent said injector.
- 3. A fuel injector arrangement as in claim 2 further comprising:
- said inner face seal being more porous than said outer face seal.
- 4. A fuel injector arrangement as in claim 2 further comprising:
- said inner wedge seal being more porous than said outer wedge seal.
- 5. A fuel injector arrangement as in claim 4 further comprising:
- said inner face seal being more porous than said outer face seal.
- 6. A fuel injector arrangement as in claim 5 wherein:
- said inner face seal and said inner wedge seal are formed of woven ceramic; and
- said outer face seal and said outer wedge seal are formed of teflon.
Government Interests
The Government has rights in this invention pursuant to a contract awarded by the Department of the Air Force.
US Referenced Citations (4)
Foreign Referenced Citations (1)
Number |
Date |
Country |
2097112 |
Oct 1982 |
GBX |