IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0902699
(2010-10-12)
|
등록번호 |
US-8529195
(2013-09-10)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
16 |
초록
▼
An inducer for a casing of a gas turbine system is disclosed. The inducer includes a plurality of orifices defined in the casing, the plurality of orifices disposed in an annular array about the casing, and a plurality of cartridges, each of the plurality of cartridges configured to mate with one of
An inducer for a casing of a gas turbine system is disclosed. The inducer includes a plurality of orifices defined in the casing, the plurality of orifices disposed in an annular array about the casing, and a plurality of cartridges, each of the plurality of cartridges configured to mate with one of the plurality of orifices. Each of the plurality of cartridges includes an inlet and an outlet for flowing a cooling medium therethrough. The inducer further includes at least one flow modifier disposed in each of the plurality of cartridges for modifying the flow of the cooling medium through each of the plurality of cartridges. Each of the plurality of cartridges is independently removable from each of the plurality of orifices.
대표청구항
▼
1. An inducer for a casing of a gas turbine system, the inducer comprising: a plurality of orifices defined in the casing, the plurality of orifices disposed in an annular array about the casing;a plurality of cartridges, each of the plurality of cartridges configured to mate with one of the plurali
1. An inducer for a casing of a gas turbine system, the inducer comprising: a plurality of orifices defined in the casing, the plurality of orifices disposed in an annular array about the casing;a plurality of cartridges, each of the plurality of cartridges configured to mate with one of the plurality of orifices, each of the plurality of cartridges including an inlet and an outlet for flowing a cooling medium therethrough; andat least one flow modifier disposed in each of the plurality of cartridges for modifying the flow of the cooling medium through each of the plurality of cartridges,wherein each of the plurality of cartridges is independently removable from each of the plurality of orifices, andwherein the at least one flow modifier is a vane disposed in each of the plurality of cartridges. 2. The inducer of claim 1, further comprising a plurality of flow modifiers. 3. The inducer of claim 1, wherein each of the plurality of cartridges is disposed in a turbine stator component of the casing. 4. The inducer of claim 1, wherein each of the plurality of cartridges is radially removable from the mating orifice. 5. The inducer of claim 1, wherein the cross-sectional area of the inlet of each of the plurality of cartridges is greater than the cross-sectional area of the outlet of each of the plurality of cartridges. 6. The inducer of claim 1, wherein the cooling medium flowing through each of the plurality of cartridges is exhausted from each of the plurality of cartridges flowing with a radial direction flow component and a tangential direction flow component. 7. The inducer of claim 6, wherein the cooling medium exhausted from each of the plurality of cartridges flows with a tangential direction flow component that has a velocity approximately equal to or greater than the velocity of a rotor of the gas turbine system. 8. The inducer of claim 6, wherein a portion of the cooling medium exhausted from each of the plurality of cartridges further flows with a longitudinal direction flow component towards a rotor joint of the gas turbine system, and wherein a portion of the cooling medium exhausted from each of the plurality of cartridges further flows with a longitudinal direction flow component towards a wheel space of the gas turbine system. 9. A gas turbine system, comprising: a compressor and a turbine, the compressor and turbine including a casing and a rotor therebetween; andan inducer, the inducer comprising: a plurality of orifices defined in the casing, the plurality of orifices disposed in an annular array about the casing;a plurality of cartridges, each of the plurality of cartridges configured to mate with one of the plurality of orifices, each of the plurality of cartridges including an inlet and an outlet for flowing a cooling medium therethrough; andat least one flow modifier disposed in each of the plurality of cartridges for modifying the flow of the cooling medium through each of the plurality of cartridges,wherein each of the plurality of cartridges is independently removable from each of the plurality of orifices. 10. The gas turbine system of claim 9, wherein the at least one flow modifier is a passage defined in each of the plurality of cartridges. 11. The gas turbine system of claim 9, wherein the at least one flow modifier is a vane disposed in each of the plurality of cartridges. 12. The gas turbine system of claim 9, further comprising a plurality of flow modifiers. 13. The gas turbine system of claim 9, wherein each of the orifices is defined in a turbine stator component of the casing. 14. The gas turbine system of claim 9, wherein each of the plurality of cartridges is radially removable from the mating orifice. 15. The gas turbine system of claim 9, wherein the cross-sectional area of the inlet of each of the plurality of cartridges is greater than the cross-sectional area of the outlet of each of the plurality of cartridges. 16. The gas turbine system of claim 9, wherein the cooling medium flowing through each of the plurality of cartridges is exhausted from each of the plurality of cartridges flowing with a radial direction flow component and a tangential direction flow component. 17. The gas turbine system of claim 16, wherein the cooling medium exhausted from each of the plurality of cartridges flows with a tangential direction flow component that has a velocity approximately equal to or greater than the velocity of the rotor. 18. The gas turbine system of claim 16, wherein a portion of the cooling medium exhausted from each of the plurality of cartridges further flows with a longitudinal direction flow component towards a rotor joint of the gas turbine system, and wherein a portion of the cooling medium exhausted from each of the plurality of cartridges further flows with a longitudinal direction flow component towards a wheel space of the gas turbine system. 19. An inducer for a casing of a gas turbine system, the inducer comprising: a plurality of orifices defined in the casing, the plurality of orifices disposed in an annular array about the casing;a plurality of cartridges, each of the plurality of cartridges configured to mate with one of the plurality of orifices, each of the plurality of cartridges including an inlet and an outlet for flowing a cooling medium therethrough; andat least one flow modifier disposed in each of the plurality of cartridges for modifying the flow of the cooling medium through each of the plurality of cartridges,wherein each of the plurality of cartridges is independently removable from each of the plurality of orifices,wherein the cooling medium flowing through each of the plurality of cartridges is exhausted from each of the plurality of cartridges flowing with a radial direction flow component and a tangential direction flow component, andwherein the cooling medium exhausted from each of the plurality of cartridges flows with a tangential direction flow component that has a velocity approximately equal to or greater than the velocity of a rotor of the gas turbine system. 20. The inducer of claim 19, wherein the at least one flow modifier is a passage defined in each of the plurality of cartridges.
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