[특허]Turbine spring clip seal

Siemens Westinghouse Power Corporation

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Turbine spring clip seal

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16J-015/02
미국특허분류(USC)	277/630; 277/637; 277/641
출원번호	US-0460128 (2003-06-12)
발명자 / 주소	Parker, David M.
출원인 / 주소	Siemens Westinghouse Power Corporation
인용정보	피인용 횟수 : 13 인용 특허 : 16

초록

An improved turbine spring clip seal for directing gases to be mixed with fuel in a combustor basket. The turbine clip seal may include an inner housing and an outer housing. The inner housing or the outer housing, or both, may include one or more tapered leaves forming a portion of the spring clip seal. At least one leaf may include a flared end for limiting gas from passing through the slots in the spring clip seal. In at least one embodiment, the turbine clip seal may include a center sealing member positioned between the inner and outer housings.

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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, 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; the outer transition section formed from a plurality of leaves extending from the outer coupler section to the second end of the outer transition section, wherein at least one second end of at least one leaf has a flared end extending toward adjacent leaves on the outer housing and each leaf is formed by a slot on each side of the at least one leaf; and an inner housing having an inner coupler section 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, and adapted to be attached to the outer housing during operation of the turbine; wherein the inner housing is adapted 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. 2. The turbine seal of claim 1, wherein all of the plurality of leaves extending from the outer coupler section to the second end of the outer transition section have flared ends extending toward adjacent leaves on the outer housing. 3. The turbine seal of claim 1, wherein the flared end on the at least one leaf has a width that is substantially equal to a width of the at least one leaf where the at least one leaf extends from the outer coupler section at the first end of the outer transition section. 4. The turbine seal of claim 1, wherein at least one of the plurality of leaves of the outer transition section tapers from a first dimension at the first end of the outer transition section to a second dimension, which is less than the first dimension, proximate to the second end of the outer transition section. 5. The turbine seal of claim 4, wherein the flared end on the at least one leaf of the outer transition section has a width that is wider than a width of the at least one leaf at the second dimension. 6. The turbine seal of claim 4, wherein the inner housing is formed from a plurality of leaves extending from the inner coupler section to the second end of the inner transition section, wherein at least one second end of at least one leaf of the inner housing has a flared end extending toward adjacent leaves on the inner housing. 7. The turbine seal of claim 6, wherein all of the plurality of leaves extending from the inner coupler section to the second end of the inner transition section have flared ends. 8. The turbine seal of claim 6, wherein the flared end of the at least one leaf of the inner housing has a width that is substantially equal to a width of the at least one leaf of the inner housing where the at least one leaf extends from the inner coupler section at the first end of the inner transition section. 9. The turbine seal of claim 6, wherein at least one of the plurality of leaves of the inner housing tapers from a first dimension at the first end of the inner transition section to a second dimension, which is less than the first dimension, proximate to the second end of the inner transition section. 10. The turbine seal of claim 9, wherein the flared end on the at least one leaf of the inner housing has a width that is wider than a width of the at least one leaf of the inner housing at the second dimension. 11. The turbine seal of claim 6, wherein the plurality of leaves of the inner housing align with the slots in the outer housing. 12. The turbine seal of claim 6, further comprising a center sealing member positioned between the inner housing and the outer housing. 13. The turbine seal of claim 6, wherein the center sealing member includes a plurality of slots forming leaves between adjacent slots. 14. The turbine seal of claim 6, wherein the center sealing member is positioned relative to the outer housing so that the leaves in the center sealing member align with the outer slots in the outer housing. 15. The turbine seal of claim 6, 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 a first edge of the outer transition section of the outer housing for contacting a second turbine component when installed for operation in a turbine. 16. The turbine seal of claim 15, wherein the coating is a spray applied coating comprising chromium carbide. 17. 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, 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; the outer transition section formed from a plurality of leaves extending from the outer coupler section to the second end of the outer transition section, wherein at least one second end of at least one leaf has a flared end extending toward adjacent leaves on the outer housing and each leaf is formed by a slot on each side of the at least one leaf; 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 adapted 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; and the inner housing formed from a plurality of leaves extending from the inner coupler section to the second end of the inner transition section, wherein at least one second end of at least one leaf has a flared end and each leaf is formed by a slot on each side of the at least one leaf. 18. The turbine seal of claim 17, wherein the flared end of the at least one leaf of the outer housing has a width that is substantially equal to a width of the at least one leaf where the at least one leaf extends from the outer coupler section at the first end of the outer transition section. 19. The turbine seal of claim 17, wherein the flared end of the at least one leaf of the inner housing has a width that is substantially equal to a width of the at least one leaf where the at least one leaf extends from the inner coupler section at the first end of the inner transition section. 20. The turbine seal of claim 17, wherein at least one of the plurality of leaves of the outer transition section tapers from a first dimension at the first end of the outer transition section to a second dimension, which is less than the first dimension, proximate to the second end of the outer transition section, and, wherein the flared end on the at least one leaf of the outer transition section has a width that is wider than a width of the at least one leaf at the second dimension.

이 특허에 인용된 특허 (16)

이 특허를 인용한 특허 (13)

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Turbine spring clip seal

초록

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이 특허에 인용된 특허 (16)

이 특허를 인용한 특허 (13)

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특허 상세정보

Turbine spring clip seal

초록

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이 특허에 인용된 특허 (16)

이 특허를 인용한 특허 (13)

IPC 상위 출원인

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IPC 상세정보(version : 201201)

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