A turbine includes a static member, a moveable member fluidly connected to the static member, and a flexible seal. The flexible seal includes a spring component having a base section mounted to one of the static member and the moveable member of the turbine and a plurality of biasing members. Each o
A turbine includes a static member, a moveable member fluidly connected to the static member, and a flexible seal. The flexible seal includes a spring component having a base section mounted to one of the static member and the moveable member of the turbine and a plurality of biasing members. Each of the plurality of biasing members includes a first portion extending from the base section and a cantilevered portion. The flexible seal further includes a seal component provided on the cantilevered portion of each of the plurality of biasing members. The seal component is biased into contact with the other of the static member and the moveable member.
대표청구항▼
1. A turbine comprising: a static member;a moveable member fluidly connected to the static member; anda flexible seal including a spring component having a base section and a plurality of biasing members, the spring component is mounted to one of the static member and the moveable member of the turb
1. A turbine comprising: a static member;a moveable member fluidly connected to the static member; anda flexible seal including a spring component having a base section and a plurality of biasing members, the spring component is mounted to one of the static member and the moveable member of the turbine, each of the plurality of biasing members having a first portion extending from the base section and a cantilevered portion, and a seal component provided on the cantilevered portion of the plurality of biasing members, the seal component being biased into contact with the other of the static member and the moveable member. 2. The turbine according to claim 1, wherein the static member is a turbine portion of the turbine and the moveable member is a transition duct, the turbine portion including a combustion gas receiving zone and the transition duct including a first end section and a second end section connected at the combustion gas receiving zone of the turbine portion, the transition duct including an outer surface and an inner surface. 3. The turbine according to claim 2, wherein the flexible seal is mounted to the outer surface of the transition duct at the second end section. 4. The turbine according to claim 3, wherein the base section is mounted to the outer surface of the transition duct at the second end section through a metallurgical bond. 5. The turbine according to claim 2, wherein the static member includes a main body portion and a flange member, the flange member defining an opening leading into the combustion gas receiving zone of the turbine portion. 6. The turbine according to claim 5, wherein the flexible seal is mounted to the flange member. 7. The turbine according to claim 6, wherein the base section of the flexible seal is mounted to the flange member. 8. The turbine according to claim 6, wherein the transition duct includes an extended element extending circumferentially about the outer surface proximate to the second end, the flexible seal abutting the extended element to provide a seal. 9. The turbine according to claim 8, wherein the extended element is a hook. 10. The turbine according to claim 1, wherein the spring component is a double layer leaf spring component. 11. The turbine according to claim 1, wherein the seal component comprises a braided rope. 12. The turbine according to claim 11, wherein the braided rope is arranged in a zigzag configuration, the zigzag configuration enabling the braided rope to expand and contract due to thermal expansions and contractions of the transition duct. 13. The turbine according to claim 1, wherein the seal component is biased into contact with the other of the static member and the moveable member by a force provided by the biasing members and a pressure differential between gases flowing through the turbine. 14. The turbine according to claim 1, wherein the spring component includes a first leaf spring component layer and a second leaf spring component layer, the plurality of biasing members being provided in only one of the first and second leaf spring layers. 15. A flexible seal for a turbine comprising: a spring component having a base section mounted to one of a static member and a moveable member of the turbine and a plurality of biasing members, each of the plurality of biasing members having a first portion extending from the base section and a cantilevered portion; anda seal component provided on the cantilevered portion of the plurality of biasing members. 16. The flexible seal according to claim 15, wherein the spring component is a multi-layer leaf spring including a first leaf spring layer and a second leaf spring layer, each of the first and second leaf spring layers includes a corresponding base section and a corresponding plurality of biasing members. 17. The flexible seal according to claim 16, wherein the base section of the first leaf spring layer is joined to the base section of the second leaf spring layer to form a laminated flexible spring member. 18. The flexible seal according to claim 15, wherein the seal component comprises a braided rope. 19. The flexible seal according to claim 18, wherein the braided rope is arranged in a zigzag configuration, the zigzag configuration enabling the braided rope to expand and contract due to thermal expansions and contractions of the transition duct. 20. The flexible seal according to claim 15, wherein the spring component includes a first leaf spring component layer and a second leaf spring component layer, the plurality of biasing members being provided in only one of the first and second leaf spring layers.
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이 특허에 인용된 특허 (21)
Hollis, Terry L.; Sileo, Gerry A.; Jorgensen, Stephen W.; Kraft, Robert J.; Martling, Vincent C., Coated seal article used in turbine engines.
Sterman Albert P. (Cincinnati OH) Brands Henry J. (Cincinnati OH) Weissborn ; Jr. Frederick W. (Cincinnati OH), Combustor-turbine nozzle interconnection.
Dinc Osman Saim (Troy NY) Cromer Robert Harold (Johnstown NY) Bagepalli Bharat Sumpathkumar (Schenectady NY) Maynard James Robert (Greenville SC), Gas-path leakage seal for a gas turbine.
Mitchell, Krista Anne; Bulman, David Edward; Noe, Mark Eugene; Hansel, Harold Ray; Glynn, Christopher Charles; Bibler, John David, Sealing assembly for the aft end of a ceramic matrix composite liner in a gas turbine engine combustor.
Harrogate Ian W. R. (Derby GB2) Taylor David H. (Warwickshire GB2) Griffin Arthur B. (Leicestershire GB2) Tuson David W. (Coventry GB2), Sealing structures for gas turbine engines.
Bagepalli Bharat S. (Schenctady NY) Dinc Osman S. (Troy NY) Barnes John (Schnectady NY) Cromer Robert (Johnstown NY) Imam Imdad (Niskayuna NY), Self-accommodating brush seal for gas turbine combustor.
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