Fuel manifold and fuel injector arrangement for a combustion chamber
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02C-001/00
F02C-007/22
출원번호
US-0687594
(2015-04-15)
등록번호
US-9790862
(2017-10-17)
우선권정보
GB-1408058.4 (2014-05-07)
발명자
/ 주소
Fuller, Simon Leslie
Fretwell, Liam Thomas Anthony
출원인 / 주소
ROLLS-ROYCE plc
대리인 / 주소
Oliff PLC
인용정보
피인용 횟수 :
0인용 특허 :
4
초록▼
Each fuel injector has a main nozzle and pilot nozzle. A main fuel manifold to supply fuel to the main nozzle of each fuel injector and pilot fuel manifold to supply fuel to the pilot nozzle of each fuel injector. The main fuel manifold includes plurality of flexible main fuel pipes. Also, plurality
Each fuel injector has a main nozzle and pilot nozzle. A main fuel manifold to supply fuel to the main nozzle of each fuel injector and pilot fuel manifold to supply fuel to the pilot nozzle of each fuel injector. The main fuel manifold includes plurality of flexible main fuel pipes. Also, plurality of cross-piece connectors including a stem and four arms. The stem of each connector mounted on one fuel injector. The first and third arms extend in opposite directions from the stem and second and fourth arms extend in opposite directions from the stem. Each fuel pipe interconnects the first arm of one connector with a third arm of an adjacent connector and each connector so the first and third arms are at an angle relative perpendicular to the axis of the annular combustion chamber casing so the main fuel manifold extends around the combustion chamber casing sinusoidally.
대표청구항▼
1. A fuel manifold and fuel injector arrangement for supplying fuel to at least one combustion chamber, the fuel manifold and fuel injector arrangement comprising: an annular combustion chamber casing arranged around the at least one combustion chamber;a plurality of circumferentially spaced fuel in
1. A fuel manifold and fuel injector arrangement for supplying fuel to at least one combustion chamber, the fuel manifold and fuel injector arrangement comprising: an annular combustion chamber casing arranged around the at least one combustion chamber;a plurality of circumferentially spaced fuel injectors arranged to supply the fuel comprising at least one fuel into the at least one combustion chamber, each fuel injector of the plurality of circumferentially spaced fuel injectors having a main fuel nozzle and a pilot fuel nozzle;a main fuel manifold arranged to supply a first fuel of the fuel to the main fuel nozzle of each fuel injector, the main fuel manifold including a plurality of flexible main fuel pipes;at least one pilot fuel manifold arranged to supply a second fuel of the fuel to the pilot fuel nozzle of each fuel injector, each fuel injector having a fuel feed arm extending through a corresponding aperture in the annular combustion chamber casing;a plurality of first connectors, each first connector including a stem and at least three arms, the stem of each first connector being mounted on an outer end of a respective one of the fuel feed arms, a first arm and a third arm of the at least three arms extending in opposite directions from the stem, and a second arm extending from the stem; andeach flexible main fuel pipe interconnects the first arm of one first connector with the third arm of an adjacent first connector, each first connector configured to arrange the first arm and the third arm at an angle relative to a plane perpendicular to an axis of the annular combustion chamber casing, the main fuel manifold extending around the annular combustion chamber casing sinusoidally, and the second arm of each first connector is connected to the pilot fuel manifold. 2. The fuel manifold and fuel injector arrangement as claimed in claim 1, further comprising an additional fuel manifold configured to supply a third fuel of the fuel to the main fuel nozzle of each fuel injector, each first connector further comprising a fourth arm, the second arm and the fourth arm extending in opposite directions from the stem, and the fourth arm of each first connector being connected to the additional fuel manifold. 3. The fuel manifold and fuel injector arrangement as claimed in claim 1, wherein the first arm and the third arm of each first connecter are arranged (i) at an angle relative to a plane containing the axis of the annular combustion chamber casing, and (ii) at an angle relative to the plane perpendicular to the axis of the annular combustion chamber casing and the one first connecter, the adjacent first connector arranged at opposite angles such that the main fuel manifold extends around the combustion chamber casing sinusoidally. 4. The fuel manifold and fuel injector arrangement as claimed in claim 1, wherein the first arm and the third arm of each first connector are arranged at an angle of 10° to 90° to the plane perpendicular to the axis of the annular combustion chamber casing. 5. The fuel manifold and fuel injector arrangement as claimed in claim 1, wherein the first arm and the third arm of each first connecter are arranged at an angle of 30° to 60° to the plane perpendicular to the axis of the annular combustion chamber casing. 6. The fuel manifold and fuel injector arrangement as claimed in claim 1, wherein all of the first connectors are configured to arrange the first arm and the third arm at an angle of the same magnitude. 7. The fuel manifold and fuel injector arrangement as claimed in claim 1, wherein each first connector is configured to arrange the first arm and the third arm at angles of different magnitudes. 8. The fuel manifold and fuel injector arrangement as claimed in claim 1, wherein each first connector is configured to arrange the first arm and the third arm at (i) an angle of 45° to a plane containing the axis of the annular combustion chamber casing, and (ii) at an angle of 45° to the plane perpendicular to the axis of the annular combustion chamber casing. 9. The fuel manifold and fuel injector arrangement as claimed in claim 1, wherein the first arm and the third arm of each first connector are parallel and arranged coaxially. 10. The fuel manifold and fuel injector arrangement as claimed in claim 1, wherein the pilot fuel manifold includes a plurality of flexible pilot fuel pipes and a plurality of second connectors, each second connector including a second stem, a fifth arm, and a sixth arm, the second stem of each second connector being connected to the second arm of a respective one of the first connectors, the fifth arm and the sixth arm extending in opposite directions from the second stem, and each flexible pilot fuel pipe interconnecting the fifth arm of one second connector with the sixth arm of an adjacent second connector. 11. The fuel manifold and fuel injector arrangement as claimed in claim 10, wherein each second connector is configured to arrange the fifth arm and the sixth arm at an angle relative to the plane perpendicular to the axis of the annular combustion chamber casing such that the pilot fuel manifold extends around the annular combustion chamber casing sinusoidally. 12. The fuel manifold and fuel injector arrangement as claimed in claim 2, wherein the additional fuel manifold includes a plurality of flexible additional fuel pipes and a plurality of third connectors, each third connector including a third stem, a seventh arm, and an eighth arm, the third stem of each third connector being connected to the fourth arm of a respective one of the first connectors, the seventh arm and the eighth arm extending in opposite directions from the third stem, and each flexible additional fuel pipe interconnecting the seventh arm of one third connector with the eighth arm of an adjacent third connector. 13. The fuel manifold and fuel injector arrangement as claimed in claim 12, wherein each third connector is configured to arrange the seventh arm and the eighth arm at an angle relative to the plane perpendicular to the axis of the annular combustion chamber casing such that the additional fuel manifold extends around the annular combustion chamber casing sinusoidally. 14. The fuel manifold and fuel injector arrangement as claimed in claim 1, wherein each first connector is a cross-piece connector. 15. The fuel manifold and fuel injector arrangement as claimed in claim 10, wherein each second connector is a T connector. 16. The fuel manifold and fuel injector arrangement as claimed in claim 12, wherein each third connector is a T connector. 17. The fuel manifold and fuel injector arrangement as claimed in claim 1, wherein the at least one combustion chamber is an annular combustion chamber. 18. The fuel manifold and fuel injector arrangement as claimed in claim 1, wherein the at least one combustion chamber is a gas turbine engine combustion chamber. 19. The fuel manifold and fuel injector arrangement as claimed in claim 18, wherein the gas turbine engine combustion chamber, being a part of a gas turbine engine, is selected from a group consisting of an aero gas turbine engine, a marine gas turbine engine, and an industrial gas turbine engine. 20. A fuel manifold and fuel injector arrangement for supplying fuel to at least one combustion chamber, the fuel manifold and fuel injector arrangement comprising: an annular combustion chamber casing arranged around the at least one combustion chamber;a plurality of circumferentially spaced fuel injectors arranged to supply the fuel comprising at least one fuel into the at least one combustion chamber, each fuel injector of the plurality of circumferentially spaced fuel injectors having a main fuel nozzle and a pilot fuel nozzle;a main fuel manifold arranged to supply a main fuel of the fuel to the main fuel nozzle of each fuel injector, the main fuel manifold including a plurality of flexible main fuel pipes;at least one pilot fuel manifold arranged to supply a pilot fuel of the fuel to the pilot fuel nozzle of each fuel injector;an additional fuel manifold arranged to supply the main fuel of the fuel to the main fuel nozzle of each fuel injector, each fuel injector having a fuel feed arm extending through a corresponding aperture in the annular combustion chamber;a plurality of cross-piece connectors, each cross-piece connector comprising a stem and four arms, the stem of each cross-piece connector being mounted on an outer end of a respective one of the fuel feed arms, a first arm and a third arm extending in opposite directions from the stem, a second arm and a fourth arm extending in opposite directions from the stem; andeach flexible main fuel pipe interconnects the first arm of one cross-piece connector with the third arm of an adjacent cross-piece connector, each cross-piece connector configured to arrange the first arm and the third arm at an angle relative to a plane perpendicular to an axis of the annular combustion chamber casing such that the main fuel manifold extends around the annular combustion chamber casing sinusoidally, the second arm of each cross-piece connector is connected to the pilot fuel manifold, and the fourth arm of each cross-piece connector is connected to the additional fuel manifold. 21. A fuel manifold and fuel injector arrangement for supplying fuel to at least one combustion chamber, the fuel manifold and fuel injector arrangement comprising: an annular combustion chamber casing arranged around the at least one combustion chamber;a plurality of circumferentially spaced fuel injectors arranged to supply the fuel comprising at least one fuel into the at least one combustion chamber, each fuel injector of the plurality of circumferentially spaced fuel injectors having a main fuel nozzle and a pilot fuel nozzle;a main fuel manifold arranged to supply a first fuel of the fuel to the main fuel nozzle of each fuel injector, the main fuel manifold comprising a plurality of flexible main fuel pipes;at least one pilot fuel manifold arranged to supply a second fuel of the fuel to the pilot fuel nozzle of each fuel injector, each fuel injector having a fuel feed arm extending through a corresponding aperture in the annular combustion chamber casing;a plurality of cross-piece connectors, each cross-piece connector comprising a stem and three arms, the stem of each cross-piece connector being mounted on an outer end of a respective one of the fuel feed arms, a first arm and a third arm extending in opposite directions from the stem, a second arm extending from the stem; andeach flexible main fuel pipe interconnects the first arm of one cross-piece connector with the third arm of an adjacent cross-piece connector, each cross-piece connector being arranged such that the first arm and the third arm are arranged at an angle relative to a plane perpendicular to an axis of the annular combustion chamber casing such that the main fuel manifold extends around the annular combustion chamber casing sinusoidally, and the second arm of each cross-piece connector is connected to the pilot fuel manifold.
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이 특허에 인용된 특허 (4)
Batakis Anthony (San Diego CA) Shekleton Jack R. (San Diego CA), Fuel injector for a turbine engine.
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