[특허]Seal and locking plate for turbine rotor assembly between turbine blade and turbine vane

[미국특허] Seal and locking plate for turbine rotor assembly between turbine blade and turbine vane 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01D-011/02 F01D-011/00 F01D-005/32 F01D-005/00
출원번호	UP-0183708 (2005-07-18)
등록번호	US-7520718 (2009-07-01)
발명자 / 주소	Engle, Darren T.
출원인 / 주소	Siemens Energy, Inc.
인용정보	피인용 횟수 : 17 인용 특허 : 13

초록 ▼

A seal plate system adapted to fit between axially adjacent turbine blades and turbine vanes is disclosed. The seal plate system may be formed from a plate adapted to position a turbine blade in a rotor assembly and lock the turbine blade into the rotor assembly. The plate may also function to seal a cooling system in the turbine blade. In at least one embodiment, the plate may be configured to accomplish both of these tasks together once installed into a mini disc of the rotor assembly.

대표청구항 ▼

I claim: 1. A plate positionable between adjacent turbine blades, comprising: a generally curved body that is curved circumferentially about a longitudinal axis of a turbine rotor assembly and having an engaging surface for contacting a root of a turbine blade to position the turbine blade axially within the turbine rotor assembly and seal the turbine blade; a connector tor attaching the generally curved body to the turbine rotor assembly that is configured to separate longitudinal adjacent turbine blades; wherein the connector is configured to be attached to a mini disk separating longitudinally adjacent turbine blades; and an extension arm extending from the generally curved body for limiting flow of cooling fluids between the turbine blade and an adjacent turbine vane; wherein the generally curved body comprises a first section to which the connector is attached, a second section extending at an acute angle from the first section and opposite to the connector, and a third section extending from the second section and aligned with the first section, wherein the engaging surface is attached to the third section. 2. The plate of claim 1, wherein the connector comprises at least one dovetail configured to be received within a corresponding cavity in the mini disc. 3. The plate of claim 2, further comprising a flange extending from the generally curved body proximate to the connector. 4. The plate of claim 1, wherein a center of mass of the generally curved body is axially off-centered from a radially extending centerline of the connector. 5. The plate of claim 4, wherein the center of mass of the generally curved body is located axially between the centerline of the connector and the engaging surface of the generally curved body. 6. The plate of claim 1, further comprising a seal positioned on the engaging surface between the engaging surface and an adjacent turbine blade. 7. The plate of claim 1, wherein the extension arm includes a protrusion adapted to reduce leakage of hot gases from a turbine flow path. 8. The plate of claim 1, wherein the generally curved body is configured to extend partially around the turbine rotor assembly. 9. A turbine assembly, comprising: a plate formed from a generally curved body that is curved circumferentially about a longitudinal axis of a turbine rotor assembly and having an engaging surface contacting a root of a turbine blade to position the turbine blade axially within the turbine rotor assembly and seal the turbine blade; a connector attaching the generally curved body to a mini disc separating longitudinally adjacent turbine blades; wherein the generally curved body comprises a first section to which the connector is attached, a second section extending at an acute angle from the first section and opposite to the connector, and a third section extending from the second section and aligned with the first section, wherein the engaging surface is attached to the third section; an extension arm extending from the generally curved body for limiting flow of cooling fluids between the turbine blade and an adjacent turbine vane; wherein a center of mass of the generally curved body is located axially between a centerline of the connector and the engaging surface of the generally curved body. 10. The turbine assembly of claim 9, wherein the connector comprises at least one dovetail configured to be received within a corresponding cavity in the mini disc. 11. The turbine assembly of claim 10, further comprising a flange extending from the generally curved body proximate to the connector. 12. The turbine assembly of claim 9, further comprising a seal positioned on the engaging surface. 13. The turbine assembly of claim 9, wherein the extension arm includes a protrusion adapted to reduce leakage of hot gases from a turbine flow path. 14. The turbine assembly of claim 9, wherein the generally curved body is configured to extend partially around the turbine rotor assembly.

이 특허에 인용된 특허 (13) 인용/피인용 타임라인 분석

Brisson, Bruce William; Burnett, Mark Edward; Baily, Frederick George; Caruso, David Alan; Turnquist, Norman Arnold; Wolfe, Christopher Edward, Bucket dovetail bridge member and method for eliminating thermal bowing of steam turbine rotors.
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Alexander Boeck DE, Connecting arrangement for two rotor disks of an axial-flow turbomachine.
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Joyce Michael J. (West Hartford CT), Inner turbine seal.
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Le Maot Theophile F. (Vert Saint Denis FRX) Marchi Marc R. (Le Mee sur Seine FRX) Ollivier Andre F. (Brie Comte Robert FRX), Multifunction labyrinth seal support disk for a turbojet engine rotor.
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Brisson, Bruce William; Caruso, David Alan, Raised rotor platform with an internal breech ring locking mechanism for brush seal application in a turbine and methods of installation.
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Race,Nathan; Worley,Kevin; Lecuyer,Raymond, Rotating seal arrangement for turbine bucket cooling circuits.
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Peters Gary P. (Glastonbury CT), Rotating seal for gas turbine engine.
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Vollinger Gary J. (East Hartford CT), Sideplate retention for a turbine rotor.
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Meade Robert J. (West Chester OH) Albrecht Richard W. (Fairfield OH), Turbine disk interstage seal anti-rotation key through disk dovetail slot.
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Meade Robert J. (West Chester OH) Albrecht Richard W. (Fairfield OH) Weisgerber Robert H. (Loveland OH), Turbine disk interstage seal axial retaining ring.
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Weisgerber Robert H. (Loveland OH) Albrecht Richard W. (Fairfield OH) Glynn Christopher C. (Hamilton OH) Kutney ; Jr. John T. (Cincinnati OH) Meade Robert J. (West Chester OH), Turbine disk interstage seal system.
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Steven Milo Toborg ; Dennis Eugene Moore ; Richard William Albrecht, Jr., Turbine interstage sealing ring.
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Norman Douglas Lathrop, Wheelspace windage cover plate for turbine.
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이 특허를 인용한 특허 (17) 인용/피인용 타임라인 분석

Farrell, Thomas Raymond; Liotta, Gary Charles; Wilson, Ian David, Apparatus and system for sealing a turbine rotor.
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Tesh, Stephen William; Tourigny, John Ernest, Apparatus for turbine engine cooling air management.
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Tesh, Stephen William; Tourigny, John Ernest, Apparatus for turbine engine cooling air management.
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Lutjen, Paul M.; Joe, Christopher R., Blade outer air seal formed of stacked panels.
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Virkler, Scott D., Component lock for a gas turbine engine.
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Virkler, Scott D.; Gates, Roger, Cover plate with interstage seal for a gas turbine engine.
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Liotta, Gary Charles; Farrell, Thomas Raymond, Device and system for reducing secondary air flow in a gas turbine.
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Fulayter, Roy David; Ong, James, Fan.
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Fulayter, Roy David; Fanton, Bradley T., Fan assembly.
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Suciu, Gabriel L.; Merry, Brian D.; Hill, James D.; Zelesky, Mark F., Method and assembly for reducing secondary heat in a gas turbine engine.
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Virkler, Scott D.; Arnold, Jason, Multi-function heat shield for a gas turbine engine.
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Spracher, David Randolph; Harris, Jr., John Wesley; Potter, Brian Denver; Taylor, Zachary James; Ziegler, Ryan Zane, Near flow path seal for a turbomachine.
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Ruba, Daniel; Scott, Matthew; Bowman, Thomas, Retaining and sealing ring assembly.
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Nallam, Revanth Krishna; Mukhopadhyay, Debabrata; Srinivasan, Karthik, Seal assembly for turbine system.
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Thomas, David J.; Freeman, Ted J., Seal for gas turbine engines.
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Scholtes, Christophe, Sealing system with two rows of complementary sealing elements.
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Suciu, Gabriel L.; Dye, Christopher M.; Ackermann, William K.; Muron, Stephen P.; Alvanos, Ioannis; Merry, Brian D.; Salve, Arthur M.; Norris, James W., Secondary flow arrangement for slotted rotor.
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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Seal and locking plate for turbine rotor assembly between turbine blade and turbine vane 원문보기