IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0705193
(2010-02-12)
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등록번호 |
US-8555648
(2013-10-15)
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발명자
/ 주소 |
- Khosla, Sachin
- Lal, Mihir
- Zehentbauer, Daniel Scott
|
출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
2 인용 특허 :
20 |
초록
▼
A fuel injector nozzle is disclosed. The nozzle includes a nozzle body having a fuel conduit that extends from a fuel inlet through a fuel outlet conduit to a fuel outlet and a fluid conduit that extends from a fluid inlet through a fluid outlet conduit to a fluid outlet. The fuel outlet conduit and
A fuel injector nozzle is disclosed. The nozzle includes a nozzle body having a fuel conduit that extends from a fuel inlet through a fuel outlet conduit to a fuel outlet and a fluid conduit that extends from a fluid inlet through a fluid outlet conduit to a fluid outlet. The fuel outlet conduit and fuel outlet configured to produce a liquid fuel jet from the fuel outlet upon introduction of a pressurized liquid fuel into the fuel conduit. The fluid outlet conduit and fluid outlet are configured to produce a liquid fluid jet from the fluid outlet upon introduction of a pressurized liquid fluid into the fluid conduit, wherein the liquid fuel jet and the liquid fluid jet are configured to impact one another and produce a flow stream of atomized fuel.
대표청구항
▼
1. A fuel injector nozzle, comprising: a nozzle body;a fuel conduit connectable to a fuel source disposed within the nozzle body that extends from a fuel inlet through a plurality of fuel outlet conduits to a corresponding plurality of spaced fuel outlets that are spaced about a longitudinal axis, t
1. A fuel injector nozzle, comprising: a nozzle body;a fuel conduit connectable to a fuel source disposed within the nozzle body that extends from a fuel inlet through a plurality of fuel outlet conduits to a corresponding plurality of spaced fuel outlets that are spaced about a longitudinal axis, the fuel outlet conduits and fuel outlets configured to produce a plurality of liquid fuel jets from the fuel outlets upon introduction of a pressurized liquid fuel into the fuel conduit; anda fluid conduit connectable to a fluid source extends from a fluid inlet through a plurality of fluid outlet conduits to a corresponding plurality of spaced fluid outlets that are spaced about the longitudinal axis, the fluid outlet conduits and fluid outlets configured to produce a plurality of fluid jets from the fluid outlets upon introduction of a pressurized liquid fluid into the fluid conduit, wherein each one of the liquid fuel jets is configured to impact a corresponding one of the plurality of liquid fluid jets and produce a corresponding plurality of flow streams of atomized liquid fuel and the liquid fluid jet are configured to impact one another and produce a flow stream of atomized fuel. 2. The fuel injector nozzle of claim 1, wherein the pressurized liquid fluid is the pressurized liquid fuel and the fluid conduit is the fuel conduit. 3. The fuel injector nozzle of claim 1, wherein the pressurized liquid fluid comprises water and the flow stream of atomized fuel comprises a fuel-water emulsion. 4. The fuel injector nozzle of claim 1, wherein the liquid fuel jets and the liquid fluid jets converge inwardly to impact one another at a plurality of focal points. 5. The fuel injector nozzle of claim 4, wherein the plurality of focal points are located along a longitudinal axis of the nozzle body or off the longitudinal axis of the nozzle body, or both. 6. The fuel injector nozzle of claim 1, wherein the plurality of fuel outlets and the plurality of fluid outlets are radially and circumferentially spaced about the longitudinal axis of the nozzle body, and wherein the plurality of fuel outlet conduits and fuel outlets and the plurality of fluid outlet conduits and fluid outlets are configured to produce liquid fuel jets and liquid fluid jets, respectively, which converge from the outlets inwardly toward the longitudinal axis. 7. The fuel injector nozzle of claim 1, wherein the fuel outlets and fluid outlets are located on an outlet end of the nozzle and the outlet end is inwardly concave. 8. The fuel injector nozzle of claim 1, wherein the nozzle body comprises a nozzle tip and an adapter, the fuel outlet conduits and the fluid outlet conduits are disposed in the nozzle tip, the fuel conduit and fluid conduit are disposed in the adapter, and the nozzle tip is disposed on the adapter. 9. The fuel injector nozzle of claim 6, wherein the nozzle body comprises a nozzle tip and an adapter, the fuel outlet conduits and the fluid outlet conduits are disposed in the nozzle tip, the fuel conduit and the fluid conduit are disposed in the adapter, and the nozzle tip is disposed on the adapter. 10. The fuel injector nozzle of claim 1, wherein the nozzle body comprises a superalloy. 11. The fuel injector nozzle of claim 1, wherein the nozzle body comprises an integrally formed body. 12. The fuel injector nozzle of claim 1, wherein the nozzle body comprises an investment casting or a sintered powder metal compact. 13. The fuel injector nozzle of claim 1, further comprising a fuel injector comprising: a partitioned tube having an inlet end, an outlet end, a fluid circuit that extends from a fluid circuit inlet on the inlet end to a fluid circuit outlet on the outlet end and a fuel circuit that extends from a fuel circuit inlet on the inlet end to a fuel circuit outlet on the outlet end, the nozzle body disposed on the outlet end with the fuel circuit outlet in fluid communication with the fuel inlet and the fluid circuit outlet in fluid communication with the fluid inlet; anda mounting flange disposed on the inlet end, the mounting flange configured for fluid communication between the fuel circuit inlet and fuel circuit and an external fuel circuit and between the fluid circuit inlet and fluid circuit and an external fluid circuit. 14. The fuel injector nozzle of claim 13, wherein the fuel circuit and fluid circuit are concentrically disposed within the pardoned tube. 15. The fuel injector nozzle of claim 13, wherein the nozzle body is disposed on the outlet end by a metallurgical bond. 16. The fuel injector nozzle of claim 15, wherein the metallurgical bond comprises a weld or a braze joint. 17. The fuel injector nozzle of claim 13, further comprising a combustor fuel nozzle comprising a natural gas circuit that extends between a proximal and distal end and defines a fuel injector cavity, wherein the fuel injector is disposed in the fuel injector cavity with an outlet end of the nozzle body disposed in an opening at the distal end of the combustor fuel nozzle, wherein the nozzle body is configured to inject liquid fuel and liquid fluid to form an atomized fuel-liquid fluid emulsion for discharge into a combustion chamber through the opening. 18. The fuel injector nozzle of claim 17, further comprising a combustor can comprising a plurality of combustor fuel nozzles and fuel injectors. 19. The fuel injector nozzle of claim 18, further comprising a combustor for a turbine comprising a plurality of combustor cans, each combustor can comprising a plurality of combustor fuel nozzles and fuel injectors.
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