[특허]Cooling arrangement for brush seal

United Technologies Corporation

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Cooling arrangement for brush seal

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01D-011/02 F01D-011/00
미국특허분류(USC)	277/355; 277/408; 277/930
출원번호	US-0064681 (2002-08-06)
발명자 / 주소	Addis,Mark E.
출원인 / 주소	United Technologies Corporation
대리인 / 주소	Bachman &
인용정보	피인용 횟수 : 5 인용 특허 : 16

초록

A brush seal adapted to restrict a fluid flow through a gap between a first component and a second component, comprising: a body; a brush pack secured to the body; and a passage through the body for introducing a cooling flow to the gap. The passage has a first end that is exposed to the gap and a second end that is not exposed to the gap. The passage discharges a cooling flow to the brush seal, the cooling flow being discrete from the fluid flow.

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The invention claimed is: 1. A multiple stage brush seal adapted to restrict a fluid flow through a gap between a first component and a second component, comprising: a body; a plurality of brush packs secured to said body; and a plurality of passageways through said body for introducing a cooling flow to said gap, said passageways each having a first end that is exposed to said gap and corresponding to a respective one of said brush packs, and a second end that is not exposed to said gap; wherein each stage of said brush seal includes at least one of said plurality of passageways; each said second end comprising a fluid inlet and communicating with an outlet of a common header which extends through said first component and which communicates with a source of fluid. 2. The brush seal of claim 1, wherein said body comprises a side plate and a backing plate, and one of said passageways extends through said side plate. 3. The brush seal of claim 1, wherein said first end is adjacent said brush pack. 4. The brush seal of claim 3, wherein said first end is upstream of said brush pack. 5. The combination of claim 1, wherein said first component comprises a stationary component. 6. The combination of claim 5, wherein said first component comprises a stationary component of a gas turbine engine. 7. A multiple stage brush seal adapted to restrict a fluid flow through a gap between a first component and a second component, comprising: a body; a plurality of brush packs secured to said body; a plurality of passageways through said body for introducing a cooling flow to said gap, said passageways each having a first end that is exposed to said gap and corresponding to a respective one of said brush packs, and a second end that is not exposed to said gap; wherein each stage of said brush seal includes at least one of said plurality of passageways; wherein said body comprises a side plate and a backing plate, and one of said passageways extends through said side plate; and wherein said side plate includes a windage cover, and said one passageway extends through said windage cover. 8. A multiple stage brush seal adapted to restrict a fluid flow through a gap between a first component and a second component, comprising: a plurality of side plates with one of said side plates having a windage cover; a plurality of backing plates; a plurality of brush packs secured to said side plates and backing plates; and a plurality of passageways for introducing a cooling flow to said gap, said passageways each having a first end that is exposed to said gap and corresponding to a respective one of said brush packs, and a second end that is not exposed to said gap; wherein each stage of said brush seal includes at least one of said plurality of passageways, and at least one of said passageways extends through said windage cover. 9. The brush seal of claim 8, wherein said first end is adjacent said brush pack. 10. The brush seal of claim 9, wherein said first end is upstream of said brush pack. 11. The brush seal of claim 8, in combination with said first component, wherein said first component also has a passageway therethrough in communication with said second ends of said passageways of said brush seal. 12. The combination of claim 11, wherein said first component comprises a stationary component. 13. The combination of claim 12, wherein said first component comprises a stationary component of a gas turbine engine. 14. In combination: a first component having a plurality of passageways extending therethrough, and said passageways receiving fluid from a header in said first component; and a multiple stage brush seal adapted to restrict a fluid flow through a gap between said first component and a second component, said brush seal comprising: a body; a plurality of brush packs secured to said body; and a plurality of passageways through said body for introducing a cooling flow to said gap, said passageways each having a first end that is exposed to said gap and corresponding to a respective one of said brush packs, and a second end that is not exposed to said gap, wherein each of said passageways of said first component is in communication with a respective one of said second ends of said passageways of said brush seal. 15. The combination of claim 14, wherein said first component comprises a stationary component. 16. The combination of claim 15, wherein said first component comprises a stationary component of a gas turbine engine. 17. The combination of claim 14, wherein said body comprises a side plate and a backing plate, and one of said passageways extends through said side plate. 18. The combination of claim 14, wherein said first end is adjacent said brush pack. 19. The combination of claim 18, wherein said first end is upstream of said brush pack. 20. In combination: a first component having a passageway therethrough; a multiple stage brush seal adapted to restrict a fluid flow through a gap between said first component and a second component, said brush seal comprising: a body; a plurality of brush packs secured to said body; and a plurality of passageways through said body for introducing a cooling flow to said gap, said passageways each having a first end that is exposed to said gap and corresponding to a respective one of said brush packs, and a second end that is not exposed to said gap; wherein said passageway of said first component is in communication with said second ends of said passageways of said brush seal; wherein said body comprises a side plate and a backing plate, and one of said passageways extends through said side plate; and wherein said side plate includes a windage cover, and said one passageway extends through said windage cover.

이 특허에 인용된 특허 (16)

이 특허를 인용한 특허 피인용횟수: 5

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Cooling arrangement for brush seal

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Cooling arrangement for brush seal

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이 특허에 인용된 특허 (16)

이 특허를 인용한 특허 피인용횟수: 5

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IPC 상세정보(version : 201201)

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