System having a multi-tube fuel nozzle with a fuel nozzle housing
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02C-001/00
F23R-003/28
F23R-003/10
출원번호
US-0838726
(2013-03-15)
등록번호
US-9303873
(2016-04-05)
발명자
/ 주소
Stewart, Jason Thurman
Keener, Christopher Paul
Ostebee, Heath Michael
출원인 / 주소
General Electric Company
대리인 / 주소
Fletcher Yoder P.C.
인용정보
피인용 횟수 :
0인용 특허 :
20
초록▼
A system including a plurality of multi-tube fuel nozzles each having a plurality of tubes extending in an axial direction, wherein each tube of the plurality of tubes includes an air inlet, a fuel inlet, and a fuel-air mixture outlet, and a fuel nozzle housing, including an outer wall extending cir
A system including a plurality of multi-tube fuel nozzles each having a plurality of tubes extending in an axial direction, wherein each tube of the plurality of tubes includes an air inlet, a fuel inlet, and a fuel-air mixture outlet, and a fuel nozzle housing, including an outer wall extending circumferentially about a central axis, a plurality of radial walls extending from the outer wall inwardly toward the central axis, a plurality of fuel nozzle receptacles disposed within the outer wall, wherein the plurality of radial walls separate the plurality of fuel nozzle receptacles from one another, and the plurality of multi-tube fuel nozzles are disposed in the plurality of fuel nozzle receptacles a mounting structure including a plurality of radial support arms extending outwardly from the outer wall.
대표청구항▼
1. A system, comprising: a plurality of multi-tube fuel nozzles each having a plurality of tubes extending in an axial direction, wherein each tube of the plurality of tubes comprises an air inlet, a fuel inlet, and a fuel-air mixture outlet; anda fuel nozzle housing, comprising: an outer wall exten
1. A system, comprising: a plurality of multi-tube fuel nozzles each having a plurality of tubes extending in an axial direction, wherein each tube of the plurality of tubes comprises an air inlet, a fuel inlet, and a fuel-air mixture outlet; anda fuel nozzle housing, comprising: an outer wall extending circumferentially about a central axis;a plurality of radial walls extending from the outer wall radially inward toward the central axis;a plurality of fuel nozzle receptacles disposed within the outer wall, wherein the plurality of radial walls separate the plurality of fuel nozzle receptacles from one another, and the plurality of multi-tube fuel nozzles are disposed in the plurality of fuel nozzle receptacles separated by the plurality of radial walls;a mounting structure comprising a plurality of radial support arms extending radially outward from the outer wall. 2. The system of claim 1, wherein each fuel nozzle of the plurality of multi-tube fuel nozzles has the plurality of tubes radially exposed around an outer perimeter of the respective fuel nozzle, and the fuel nozzle housing extends around the outer perimeter of each fuel nozzle. 3. The system of claim 1, wherein the plurality of fuel nozzle receptacles comprise a first receptacle and a second receptacle, and the plurality of multi-tube fuel nozzles comprises a first multi-tube fuel nozzle disposed in the first receptacle and a second multi-tube fuel nozzle disposed in the second receptacle. 4. The system of claim 3, wherein the plurality of fuel nozzle receptacles comprise a third receptacle, and the plurality of multi-tube fuel nozzles comprises a third multi-tube fuel nozzle disposed in the third receptacle. 5. The system of claim 4, wherein the first receptacle comprises a first pie-shaped perimeter defined at least partially by the outer wall and first and second radial walls of the plurality of radial walls, the second receptacle comprises a second pie-shaped perimeter defined at least partially by the outer wall and second and third radial walls of the plurality of radial walls, and the third receptacle comprises a third pie-shaped perimeter defined at least partially by the outer wall and first and third radial walls of the plurality of radial walls. 6. The system of claim 5, wherein the outer wall comprises an outer annular wall surrounding a circular region, wherein the first, second, and third pie-shaped perimeters each comprise a sector of approximately 120 degrees of the circular region. 7. The system of claim 1, wherein the fuel nozzle housing comprises an inner wall generally coaxial with the outer wall, wherein the inner wall is coupled to the plurality of radial walls. 8. The system of claim 7, comprising a center fuel nozzle disposed in a central passage extending through the inner wall. 9. The system of claim 1, wherein each receptacle of the plurality of fuel nozzle receptacles is coupled to a fuel passage through at least one arm of the plurality of radial support arms. 10. The system of claim 1, wherein each wall of the plurality of radial walls comprises at least one aperture extending between adjacent receptacles of the plurality of fuel nozzle receptacles. 11. The system of claim 10, wherein at least one arm of the plurality of radial support arms comprises a fuel passage extending to one of the plurality of receptacles. 12. The system of claim 1, wherein each arm of the plurality of radial support arms comprises an air-foil shaped cross-section. 13. The system of claim 1, wherein the mounting structure comprises an outer flange extending circumferentially about the outer wall, wherein the plurality of radial support arms extend radially between the outer flange and the outer wall. 14. The system of claim 13, comprising a fuel flange coupled to the outer flange, wherein a fuel passage extends through the fuel flange, through the outer flange, through an arm of the plurality of radial support arms, through the outer wall, and into a receptacle of the plurality of fuel nozzle receptacles. 15. The system of claim 1, wherein the outer wall comprises a first mount configured to support an inlet flow conditioner that overlaps the plurality of fuel nozzle receptacles and a second mount configured to support an aft plate assembly that overlaps the plurality of fuel nozzle receptacles, wherein the first and second mounts are axially offset from one another. 16. The system of claim 15, wherein the first and second mounts each comprise a plurality of radial openings in the outer wall, a plurality of radial pins coupled to the outer wall, or a combination thereof. 17. The system of claim 1, comprising a combustor, a gas turbine engine, or a combination thereof, having the plurality of multi-tube fuel nozzles and the fuel nozzle housing. 18. A system, comprising: a fuel nozzle housing, comprising: an outer wall extending circumferentially about a central axis;a plurality of radial walls extending from the outer wall radially inward toward the central axis;a plurality of fuel nozzle receptacles disposed within the outer wall, wherein the plurality of radial walls separate the plurality of fuel nozzle receptacles from one another, and the plurality of fuel nozzle receptacles is configured to support a plurality of multi-tube fuel nozzles separated by the plurality of radial walls;a mounting structure comprising a plurality of radial support arms extending radially outward from the outer wall. 19. The system of claim 18, wherein at least one arm of the plurality of radial support arms comprises a fuel passage extending to one of the plurality of receptacles. 20. A method, comprising: supporting a plurality of multi-tube fuel nozzles in a fuel nozzle housing, wherein the fuel nozzle housing comprises an outer wall extending circumferentially about a central axis, a plurality of radial walls extending from the outer wall radially inward toward the central axis, and a plurality of fuel nozzle receptacles disposed within the outer wall, wherein the plurality of radial walls separate the plurality of fuel nozzle receptacles from one another, wherein the plurality of multi-tube fuel nozzles are disposed in the plurality of fuel nozzle receptacles separated by the plurality of radial walls; andmounting the fuel nozzle housing with a mounting structure having a plurality of radial support arms extending radially outward from the outer wall. 21. The method of claim 20, comprising routing a supply of fuel radially through at least one arm of the plurality of radial support arms to at least one receptacle of the plurality of fuel nozzle receptacles. 22. The system of claim 1, wherein each fuel nozzle of the plurality of multi-tube fuel nozzles has a support structure coupling together the plurality of tubes independent of the fuel nozzle housing. 23. The system of claim 1, wherein each wall of the plurality of radial walls is shared by adjacent fuel nozzles of the plurality of multi-tube fuel nozzles disposed in adjacent receptacles of the plurality of fuel nozzle receptacles. 24. The system of claim 18, wherein each wall of the plurality of radial walls is shared by adjacent receptacles of the plurality of fuel nozzle receptacles. 25. The system of claim 18, wherein the mounting structure comprises an outer flange extending circumferentially about the outer wall, and the plurality of radial support arms extend radially between the outer flange and the outer wall.
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