[특허]Variable vane actuation system

Rolls-Royce Corporation

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Variable vane actuation system

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01D-017/16
미국특허분류(USC)	415/160;
출원번호	US-0576810 (2009-10-09)
등록번호	US-8393857 (2013-03-12)
발명자 / 주소	Copeland, Andy Ohlsson, Linnea Freeman, Ted
출원인 / 주소	Rolls-Royce Corporation
대리인 / 주소	Krieg DeVault LLP
인용정보	피인용 횟수 : 7 인용 특허 : 23

초록
▼

A variable vane actuation system is disclosed herein. The variable vane actuation system includes a first vane having a first vane axis. The variable vane actuation system also includes an actuator operably engaged with the first vane to selectively pivot the first vane about the first vane axis. The variable vane actuation system also includes a ring member operably connected with the first vane. The ring member is disposed for pivoting movement about a centerline axis transverse to the first vane axis. The variable vane actuation system also includes a second vane having a second vane axis spaced from the first vane axis about the centerline axis. The second vane is operably connected with the ring member. Forces moving the second vane are generated by the actuator and transmitted first through the first vane and then through the ring member before being applied to the second vane.

대표
청구항
▼

1. A variable vane actuation system comprising: a first vane having a first vane axis;an actuator operably engaged with said first vane to selectively pivot said first vane about said first vane axis;a ring member operably connected with said first vane and disposed for pivoting movement about a centerline axis transverse to said first vane axis; anda second vane having a second vane axis spaced from said first vane axis about said centerline axis and operably connected with said ring member, wherein forces moving said second vane are generated by said actuator and transmitted first through said first vane and then through said ring member before being applied to said second vane. 2. The variable vane actuation system of claim 1 further comprising: a first arm pivotally coupling said first vane and said actuator; anda second arm pivotally coupling said first vane and said ring member, wherein said first arm and second arm are spaced radially from one another along said first vane axis relative to said centerline axis. 3. The variable vane actuation system of claim 1 further comprising: a case isolating said actuator from said ring member. 4. The variable vane actuation system of claim 3 further comprising: an annular channel member having a substantially closed bottom and an open top spaced radially outward from said substantially closed bottom, said annular channel member coupled with said case to form a chamber, wherein said ring member is positioned in said chamber. 5. The variable vane actuation system of claim 4 further comprising: a first arm pivotally coupling said first vane and said actuator and positioned outside said chamber; anda second arm pivotally coupling said first vane and said ring member and positioned inside said chamber. 6. The variable vane actuation system of claim 1 further comprising: a non-rotating strut extending through said second vane. 7. The variable vane actuation system of claim 1 further comprising: an outer support member at least partially encircling said centerline axis;an inner support member at least partially encircling said centerline axis and spaced radially inward from said outer annular support member relative to said centerline axis; andat least one strut extending between said outer annular support member and said inner annular support member, wherein said first vane is spaced from said at least one strut about said centerline axis and wherein said second vane encircles said at least one strut. 8. The variable vane actuation system of claim 7 wherein a fluid flow path is defined between said outer annular support member and said inner annular support member, wherein said ring member is isolated from said fluid flow path. 9. The variable vane actuation system of claim 8 further comprising: an annular channel member having an open top facing radially outward and cooperating with said outer annular support member to enclose said ring member. 10. A method for pivoting a plurality of vanes comprising the steps of: connecting a plurality of vanes for concurrent pivoting movement with a ring member;moving a ring member with an actuator; andoperably positioning one of the plurality of vanes as a mechanical link between the ring member and the actuator. 11. The method of claim 10 further comprising the steps of: enclosing the ring member in a case; andpositioning the actuator outside the case. 12. The method of claim 11 further comprising the steps of: directing a first flow of fluid across the plurality of vanes;directing a second flow of fluid outside the case; andpositioning the ring member between the first and second flows of fluid. 13. The method of claim 12 wherein said positioning step includes the step of: isolating the ring member from both of the first and second flows of fluid. 14. The method of claim 10 further comprising the step of: mounting less than all of the plurality of vanes to encircle and rotate about individual, fixed struts. 15. A turbine engine comprising: a first case at least partially encircling a centerline axis;a second case at least partially encircling said centerline axis and positioned radially inward of said first case;a first vane extending between said first case and said second case and operable to pivot about a first vane axis;an actuator operably engaged with said first vane to selectively pivot said first vane about said first vane axis;a ring member operably connected with said first vane and disposed for pivoting movement about said centerline axis transverse to said first vane axis; anda second vane extending between said first case and said second case and operable to pivot about a second vane axis spaced from said first vane axis about said centerline axis and operably connected with said ring member, wherein forces moving said second vane are generated by said actuator and transmitted first through said first vane and then through said ring member before being applied to said second vane. 16. The turbine engine of claim 15 wherein said ring member is positioned radially between said first case and said second case. 17. The turbine engine of claim 16 wherein said actuator is positioned radially outside of said first case. 18. The turbine engine of claim 15 further comprising: a first arm pivotally coupling said first vane and said actuator; anda second arm pivotally coupling said first vane and said ring member, wherein said first arm and said second arm are positioned on opposite radial sides of said first case. 19. The turbine engine of claim 15 further comprising: a torque shaft extending substantially along said first vane axis between said first arm and said second arm and having at least one end with spherical splines. 20. The turbine engine of claim 15 wherein said first vane and said second vane are further defined as part of a row of vanes fully encircling said centerline axis and wherein said ring member is coupled to one-half of said vanes of said row.

이 특허에 인용된 특허 (23)

이 특허를 인용한 특허 피인용횟수: 7

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특허 상세정보

Variable vane actuation system

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이 특허에 인용된 특허 (23)

이 특허를 인용한 특허 피인용횟수: 7

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Variable vane actuation system

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이 특허에 인용된 특허 (23)

이 특허를 인용한 특허 피인용횟수: 7

IPC 상위 출원인

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IPC 상세정보(version : 201201)

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