Non-contact seal assembly for rotational equipment
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F01D-011/02
F01D-005/08
F01D-005/30
F01D-009/06
F01D-011/00
F16J-015/44
F01D-009/04
F01D-011/12
출원번호
US-0830437
(2015-08-19)
등록번호
US-10107126
(2018-10-23)
발명자
/ 주소
Ackermann, William K.
Crawley, Jr., Clifton J.
Schwarz, Frederick M.
출원인 / 주소
United Technologies Corporation
대리인 / 주소
O'Shea Getz P.C.
인용정보
피인용 횟수 :
0인용 특허 :
22
초록▼
Assemblies are provided for rotational equipment. One of these assemblies includes a first bladed rotor assembly, a second bladed rotor assembly, a stator vane assembly, a stator structure and a seal assembly. The second bladed rotor assembly includes a rotor disk structure. The stator vane assembly
Assemblies are provided for rotational equipment. One of these assemblies includes a first bladed rotor assembly, a second bladed rotor assembly, a stator vane assembly, a stator structure and a seal assembly. The second bladed rotor assembly includes a rotor disk structure. The stator vane assembly is axially between the first and the second bladed rotor assemblies. The stator structure is mated with and radially within the stator vane assembly. The seal assembly is configured for sealing a gap between the stator structure and the rotor disk structure, wherein the seal assembly includes a non-contact seal.
대표청구항▼
1. An assembly for rotational equipment, the assembly comprising: a first bladed rotor assembly;a second bladed rotor assembly including a rotor disk structure;a stator vane assembly axially between the first and the second bladed rotor assemblies;a stator structure mated with and radially within th
1. An assembly for rotational equipment, the assembly comprising: a first bladed rotor assembly;a second bladed rotor assembly including a rotor disk structure;a stator vane assembly axially between the first and the second bladed rotor assemblies;a stator structure mated with and radially within the stator vane assembly; anda seal assembly configured for sealing a gap between the stator structure and the rotor disk structure, wherein the seal assembly includes a non-contact seal;wherein the stator structure includes a tangential onboard injection nozzle configured to direct cooling air into an aperture in the rotor disk structure;wherein the first bladed rotor assembly includes a second rotor disk structure; andwherein the stator structure includes an internal plenum and a cooling aperture, the plenum is configured to feed air to the tangential onboard injection nozzle and the cooling aperture, and the cooling aperture is configured to direct air onto the second rotor disk structure. 2. The assembly of claim 1, wherein the non-contact seal is a hydrostatic non-contact seal. 3. The assembly of claim 1, wherein the non-contact seal comprises: an annular base;a plurality of shoes arranged around and radially adjacent the rotor disk structure; anda plurality of spring elements, each of the spring elements radially between and connecting a respective one of the shoes to the base. 4. The assembly of claim 3, wherein the base is configured with a monolithic full hoop body. 5. The assembly of claim 1, wherein the stator structure is floating radially within the stator vane assembly. 6. The assembly of claim 1, wherein the first and the second bladed rotor assemblies are turbine rotor assemblies; andthe first bladed rotor assembly is upstream of the second bladed rotor assembly. 7. The assembly of claim 1, wherein the second bladed rotor assembly is coupled with the first bladed rotor assembly. 8. The assembly of claim 1, wherein the stator vane assembly includes a hollow stator vane with a conduit fluidly coupled with the tangential onboard injection nozzle. 9. The assembly of claim 1, further comprising: a second seal assembly configured for sealing a gap between the stator structure and a second rotor disk structure;wherein the first bladed rotor assembly includes the second rotor disk structure. 10. The assembly of claim 9, wherein the second seal assembly includes one or more knife edge seal elements and one or more corresponding abradable seal lands. 11. The assembly of claim 1, wherein the rotor disk structure includes a rotor disk and a side plate affixed to the rotor disk;the side plate includes a seal land with a cylindrical outer surface; andthe non-contact seal forms a seal with the cylindrical outer surface. 12. The assembly of claim 11, wherein the side plate has a full hoop monolithic annular body. 13. An assembly for rotational equipment, the assembly comprising: a first bladed rotor assembly;second bladed rotor assembly including a rotor disk structure;a stator vane assembly axially between the first and the second bladed rotor assemblies;stator structure mated with and radially within the stator vane assembly; anda seal assembly configured for sealing a gap between the stator structure and the rotor disk structure, wherein the seal assembly includes a non-contact seal;wherein the rotor disk structure includes a rotor disk and a side plate affixed to the rotor disk;wherein the side plate includes a seal land with a cylindrical outer surface;wherein the non-contact seal forms a seal with the cylindrical outer surface;wherein the second bladed rotor assembly further includes a plurality of rotor blades arranged around the rotor disk; andwherein the rotor disk structure further includes a segmented second side plate circumscribing the side plate, and axially between the side plate and roots of the rotor blades. 14. The assembly of claim 13, wherein the non-contact seal is a hydrostatic non-contact seal. 15. The assembly of claim 13, wherein the non-contact seal comprises: an annular base;a plurality of shoes arranged around and radially adjacent the rotor disk structure; anda plurality of spring elements, each of the spring elements radially between and connecting a respective one of the shoes to the base. 16. The assembly of claim 15, wherein the base is configured with a monolithic full hoop body. 17. The assembly of claim 13, wherein the stator structure is floating radially within the stator vane assembly. 18. The assembly of claim 13, wherein the first and the second bladed rotor assemblies are turbine rotor assemblies; andthe first bladed rotor assembly is upstream of the second bladed rotor assembly. 19. The assembly of claim 13, wherein the second bladed rotor assembly is coupled with the first bladed rotor assembly. 20. The assembly of claim 13, wherein the side plate has a full hoop monolithic annular body.
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이 특허에 인용된 특허 (22)
Speak Trevor H. (Gloucester GB2) Kernon John D. (Bristol GB2) Roberts Derek A. (Bristol GB2), Air sealing for turbomachines.
Napoli Phillip D. (West Chester OH) Harris Robert W. (Fairfield OH) Brisken Thomas A. (Cincinnati OH), Gas turbine engine with improved air cooling circuit.
Soechting Friedrich O. (Tequesta FL) Plank William L. (Tequesta FL) Hall Kenneth B. (Klingnau CHX), Turbine vane assembly with multiple passage cooled vanes.
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