[특허]Variable vane segment

Variable vane segment 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-007/12 F01D-009/04 F01D-009/02 F01D-025/08 F01D-025/12
출원번호	US-0706033 (2015-05-07)
등록번호	US-10066549 (2018-09-04)
발명자 / 주소	Slavens, Thomas N. Snyder, Brooks E.
출원인 / 주소	United Technologies Corporation
대리인 / 주소	Carlson, Gaskey & Olds, P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 64

초록 ▼

A variable vane pack includes an inner platform, an outer platform, radially outward of the inner platform, a plurality of vanes connecting the inner platform to the outer platform, wherein the outer platform comprises a platform body and an impingement plate, the impingement plate having a radially inward impingement plate, a radially outward pressure distribution plate, and an impingement plenum defined between the radially inward impingement plate and the radially outward pressure distribution plate.

대표청구항 ▼

1. A variable vane pack comprising: an inner platform;an outer platform, radially outward of said inner platform;a plurality of vanes connecting said inner platform to said outer platform; andwherein the outer platform comprises a platform body and an impingement baffle, the impingement baffle having a radially inward impingement plate, a radially outward pressure distribution plate, and an impingement plenum defined between said radially inward impingement plate and said radially outward pressure distribution plate. 2. The variable vane pack of claim 1, wherein said plurality of vanes comprises at least one static vane and at least one variable vane. 3. The variable vane pack of claim 2, wherein said at least one variable vane comprises an outer cooling air feed protruding through said outer platform and said impingement plate, and wherein each of said outer cooling air feed is operable to receive cooling airflow. 4. The variable vane pack of claim 1, wherein said radially outward pressure distribution plate comprises a plurality of slots, each of said slots being operable to allow distributed airflow into said impingement plenum. 5. The variable vane pack of claim 4, wherein each of said slots overlap at least one other of said slots in an axial direction along an axis defined by a curvature of said variable vane segment. 6. The variable vane pack of claim 4, wherein each of said slots circumferentially overlaps at least one other of said slots. 7. The variable vane pack of claim 4, wherein each of said slots is scalloped shaped. 8. The variable vane pack of claim 1, wherein said radially inward impingement plate comprises a plurality of impingement openings operable to allow cooling air to move from said impingement plenum to said outer platform. 9. The variable vane pack of claim 8, wherein said plurality of impingement openings are approximately evenly distributed across a surface of said impingement plate. 10. The variable vane pack of claim 1 wherein said impingement plate comprises a first single sheet of material, and wherein said pressure distribution plate comprises a second single sheet of material. 11. The variable vane pack of claim 1, further comprising a cooling plenum defined between the impingement plate and the platform body. 12. The variable vane pack of claim 11, wherein the cooling plenum and the impingement plenum at least partially overlap. 13. The variable vane pack of claim 1, wherein the pressure distribution plate completely overlaps the impingement plate in the radial direction. 14. The variable vane pack of claim 1, wherein approximately 100% of air provided through the impingement plate is provided through the pressure distribution plate.

이 특허에 인용된 특허 (64)

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