An improved turbine spring clip seal for directing gases to be mixed with fuel in a combustor basket. The turbine spring clip seal is composed of inner and outer housings and a center sealing member disposed between the inner and outer housings. The center sealing member is flexible and prevents a f
An improved turbine spring clip seal for directing gases to be mixed with fuel in a combustor basket. The turbine spring clip seal is composed of inner and outer housings and a center sealing member disposed between the inner and outer housings. The center sealing member is flexible and prevents a fluid, such as air, from leaking through the seal. In operation, the center sealing member flexes and is sealed against the outer housing by a pressure differential that is created by the relatively higher pressure on the inner housing side and the relatively lower pressure on the outer housing side.
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What is claimed is: 1. A turbine seal, comprising: an outer housing having an outer coupler section adapted to be attached to a first turbine component and an outer transition section extending from the outer coupler section at a first end of the outer transition section and continuing to a second
What is claimed is: 1. A turbine seal, comprising: an outer housing having an outer coupler section adapted to be attached to a first turbine component and an outer transition section extending from the outer coupler section at a first end of the outer transition section and continuing to a second end of the outer transition section, adapted to be attached to a second turbine component during operation of a turbine, wherein the outer transition section tapers from a first diameter at the first end of the outer transition section to a second diameter, which is larger than the first diameter, at the second end of the outer transition section; an inner housing having an inner coupler section adapted to be attached to the outer coupler section of the outer housing and an inner transition section extending from the inner coupler section at a first end of the inner transition section and continuing to a second end of the inner transition section, attached to the outer housing during operation of the turbine; wherein the inner housing is configured to fit inside the outer housing and the inner transition section tapers from a third diameter at the first end of the inner transition section to a fourth diameter, which is larger than the third diameter, at the second end of the inner transition section; a center sealing member positioned between the inner housing and the outer housing and including a plurality of slots forming leaves between adjacent slots; and wherein the outer housing provides a plurality of outer slots forming outer leaves between adjacent outer slots in the outer transition section of the outer housing and wherein the center sealing member is positioned relative to the outer housing so that the slots in the center sealing member align with the outer slots in the outer housing. 2. The turbine seal of claim 1, wherein the slots of the center sealing member are generally parallel to a longitudinal axis of the center sealing member and the center sealing member extends around the periphery of the inner housing. 3. The turbine seal of claim 1, wherein the center sealing member is comprised of metal. 4. The turbine seal of claim 1, wherein the center sealing member has a thickness between about 0.004 of an inch and about 0.015 of an inch. 5. The turbine seal of claim 1, wherein the outer housing and the inner housing each have a thickness of about 0.050 of an inch. 6. The turbine seal of claim 1, wherein the outer housing slots are generally parallel to a longitudinal axis of the outer housing. 7. The turbine seal of claim 6, wherein the outer housing slots extend from the first end of the outer transition section of the outer housing to the outer coupler section of the outer housing. 8. The turbine seal of claim 1, wherein the inner housing includes a plurality of inner housing slots forming inner leaves between adjacent inner slots in the inner transition section of the inner housing, and the inner housing slots are generally parallel to a longitudinal axis of the inner housing. 9. The turbine seal of claim 8, wherein the inner housing slots extend from the first end of the inner transition section of the inner housing to the inner coupler section of the inner housing. 10. The turbine seal of claim 1, wherein the outer transition section of the outer housing further includes a coating on at least an outside surface of the outer housing and positioned proximate to the first end of the outer transition section of the outer housing for contacting a second turbine component when installed for operation in a turbine. 11. The turbine seal of claim 10, wherein the coating is a spray applied coating comprising chromium carbide. 12. The turbine seal of claim 1, wherein the first turbine component to which the coupler section of the outer housing is adapted to contact is a combustor basket. 13. A turbine seal, comprising: an outer housing having an outer coupler section adapted to be attached to a first turbine component and an outer transition section extending from the outer coupler section at a first end of the outer transition section and continuing to a second end of the outer transition section, adapted to be attached to a second turbine component during operation of a turbine, wherein the outer transition section tapers from a first diameter at the first end of the outer transition section to a second diameter, which is larger than the first diameter, at the second end of the outer transition section; an inner housing having an inner coupler section adapted to be attached to the outer coupler section of the outer housing and an inner transition section extending from the inner coupler section at a first end of the inner transition section and continuing to a second end of the inner transition section, attached to the outer housing during operation of the turbine; wherein the inner housing is configured to fit inside the outer housing and the inner transition section tapers from a third diameter at the first end of the inner transition section to a fourth diameter, which is larger than the third diameter, at the second end of the inner transition section; a center sealing member positioned between the inner housing and the outer housing and including a plurality of slots forming leaves between adjacent slots; and wherein the inner housing provides a plurality of inner slots forming inner leaves between adjacent inner slots in the inner transition section of the inner housing and wherein the center sealing member is positioned relative to the inner housing so that the slots in the center sealing member align with the inner slots in the inner housing. 14. The turbine seal of claim 13, wherein the slots of the center sealing member are generally parallel to a longitudinal axis of the center sealing member and the center sealing member extends around the periphery of the inner housing. 15. The turbine seal of claim 13, wherein the center sealing member is comprised of metal. 16. The turbine seal of claim 13, wherein the center sealing member has a thickness between about 0.004 of an inch and about 0.015 of an inch, and the outer housing and the inner housing each have a thickness of about 0.050 of an inch. 17. The turbine seal of claim 13, wherein the outer housing includes a plurality of outer housing slots forming outer leaves between adjacent outer slots in the outer transition section of the outer housing, and wherein the outer housing slots are generally parallel to a longitudinal axis of the outer housing and extend from the first end of the outer transition section of the outer housing to the outer coupler section of the outer housing. 18. The turbine seal of claim 13, wherein the inner housing slots are generally parallel to a longitudinal axis of the inner housing, and the inner housing slots extend from the first end of the inner transition section of the inner housing to the inner coupler section of the inner housing. 19. The turbine seal of claim 13, wherein the outer transition section of the outer housing further includes a coating comprising chromium carbide on at least an outside surface of the outer housing and positioned proximate to the first end of the outer transition section of the outer housing for contacting a second turbine component when installed for operation in a turbine. 20. The turbine seal of claim 13, wherein the first turbine component to which the coupler section of the outer housing is adapted to contact is a combustor basket.
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이 특허에 인용된 특허 (25)
Scheihing Paul E. (Glen Mills PA) Laurelli James A. (Springfield PA), Catalytic combustion system for a stationary combustion turbine having a transition duct mounted catalytic element.
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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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