[특허]Variable stator vane lever arm assembly and method of assembling same

General Electric Company

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특허 상세정보

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Variable stator vane lever arm assembly and method of assembling same

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F04D-029/56 F04D-029/40
미국특허분류(USC)	415/147; 415/160
출원번호	US-0174745 (2005-07-05)
등록번호	US-7278819 (2007-10-09)
발명자 / 주소	Schilling,Jan Christopher
출원인 / 주소	General Electric Company
대리인 / 주소	Armstrong Teasdale LLP
인용정보	피인용 횟수 : 5 인용 특허 : 13

초록
▼

A variable stator vane assembly for a gas turbine engine including an actuation ring including an upper surface, a lower surface, a first side, a second side, and at least one recess that is defined between the upper surface, the lower surface, the first side, and the second side, a plurality of variable stator vanes, and a lever arm assembly coupled between the actuation ring and at least one of the variable stator vanes, the lever arm assembly including an articulating block inserted at least partially into the actuation ring recess such that the artic...

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What is claimed is: 1. A method for assembling a variable stator vane assembly, the variable stator vane assembly including an actuation ring, a plurality of variable stator vanes, and a lever arm assembly coupled between the actuation ring and at least one variable stator vane, the lever arm assembly including a lever arm and an articulating block, the actuation ring including an upper surface, a lower surface, a first side, and a second side said method comprising: inserting an articulating block at least partially into a first recess formed within the actuation ring such that the articulating block is movable in a first axis; and coupling the articulating block to the lever arm such that the lever arm is movable in a second axis that is different than the first axis. 2. A method in accordance with claim 1, wherein the actuation ring also includes a first opening that extends from the actuation ring first side to the actuating ring recess, and a second opening that extends from the actuation ring second side to the actuation ring recess, said method further comprising: inserting a first retaining pin through the first opening such that the first retaining pin is at least partially inserted into the articulating block; and inserting a second retaining pin through the second opening such that the second retaining pin is at least partially inserted into the articulating block and such that the articulating block is movable in the first axis that is perpendicular to the second axis. 3. A method in accordance with claim 1 wherein the articulating block includes a first recess, a second recess, and a third recess, said method further comprising: inserting a pin having a first end into the lever arm; and inserting the pin having a second end into the articulating block first recess such that the lever arm is movably coupled to the articulating block. 4. A method in accordance with claim 1 wherein the actuation ring further includes a first opening that extends from the actuation ring first side to the actuation ring recess, and a second opening that extends from the actuation ring second side to the actuation ring recess, said method further comprising: inserting a first pin through the first opening and at least partially into the second recess; and inserting a second pin through the second opening and at least partially into the third recess, such that the articulating block is movably coupled to the actuation ring. 5. A method in accordance with claim 4 further comprising: coupling a first retaining clip to the actuation ring to facilitate securing the first pin within the first opening; and coupling a second retaining clip to the actuation ring to facilitate securing the second pin within the second opening. 6. A method in accordance with claim 1 wherein the actuation ring also includes a first opening that extends from the actuation ring first side to the actuating ring recess, and a second opening that extends from the actuation ring second side to the actuation ring recess, and the articulating block includes a first tab and a second tab, said method further comprising: coupling the articulating block to the actuation ring such that the first tab extends at least partially into the first opening and the second tab extends at least partially into the second opening. 7. A variable stator vane assembly comprising: an actuation ring including an upper surface, a lower surface, a first side, a second side, and at least one recess that is defined between said upper surface, said lower surface, said first side, and said second side; a plurality of variable stator vanes; and a lever arm assembly coupled between said actuation ring and at least one of said variable stator vanes, said lever arm assembly comprising: an articulating block inserted at least partially into said actuation ring recess such that said articulating block is movable in a first axis; and a lever arm coupled to said articulating block and at least one of said variable stator vanes such that said lever arm is movable in a second axis that is different than the first axis. 8. A variable stator vane assembly in accordance with claim 7 wherein said articulating block includes a first recess, a second recess, and a third recess, said variable stator vane assembly further comprising: a pin having a first end and a second end, said pin first end coupled to said lever arm, said pin second end inserted at least partially into said articulating block first recess such that said lever arm is movably coupled to said articulating block. 9. A variable stator vane assembly in accordance with claim 7 wherein said actuation ring further comprises: a first opening that extends from said actuation ring first side to said recess; and a second opening that extends from said actuation ring second side to said recess. 10. A variable stator vane assembly in accordance with claim 9 further comprising: a first pin that extends through said first opening and at least partially into said second recess; and a second pin that extends through said second opening and at least partially into said third recess, such that said articulating block is movably coupled to said actuation ring. 11. A variable stator vane assembly in accordance with claim 10 further comprising: a first retaining clip configured to secure said first pin within said first opening; and a second retaining clip configured to secure said second pin within said second opening. 12. A variable stator vane assembly in accordance with claim 11 wherein said first and second retaining clips are formed as a single unitary retaining clip. 13. A variable stator vane assembly in accordance with claim 8 wherein said articulating block comprises a lower surface that is rounded to facilitate said articulating blocking moving within said actuation ring recess. 14. A variable stator vane assembly in accordance with claim 9 wherein said articulating block comprises a first tab that is configured to extend at least partially into said first opening and a second tab that is configured to extend at least partially into said second opening, said first and second tabs configured to couple said articulating block to said actuation ring; a first opening that extends from said actuation ring first side to said recess; and a second opening that extends from said actuation ring second side to said recess. 15. A gas turbine engine comprising a compressor, a combustor, a turbine, and a variable stator vane assembly comprising: an actuation ring including an upper surface, a lower surface, a first side, a second side, and at least one recess that is defined between said upper surface, said lower surface, said first side, and said second side; a plurality of variable stator vanes; and a lever arm assembly coupled between said actuation ring and at least one of said variable stator vanes, said lever arm assembly comprising: an articulating block inserted at least partially into said actuation ring recess such that said articulating block is movable in a first axis; and a lever arm coupled to said articulating block and at least one of said variable stator vanes such that said lever arm is movable in a second axis that is different than the first axis. 16. A gas turbine engine in accordance with claim 15 wherein said articulating block includes a first recess, a second recess, and a third recess, said variable stator vane assembly further comprising: a pin having a first end and a second end, said pin first end coupled to said lever arm, said pin second end inserted at least partially into said articulating block first recess such that said lever arm is movably coupled to said articulating block. 17. A gas turbine engine in accordance with claim 15 wherein said lever arm assembly further comprises: a first opening that extends from said actuation ring first side to said recess; a second opening that extends from said actuation ring second side to said recess; a first pin that extends through said first opening and at least partially into said second recess; and a second pin that extends through said second opening and at least partially into said third recess, such that said articulating block is movably coupled to said actuation ring. 18. A gas turbine engine in accordance with claim 17 wherein said lever arm assembly further comprises: a first retaining clip configured to secure said first pin within said first opening; and a second retaining clip configured to secure said second pin within said second opening. 19. A gas turbine engine in accordance with claim 17 wherein said articulating block comprises a lower surface that is rounded to facilitate said articulating blocking moving within said actuation ring recess. 20. A gas turbine engine in accordance with claim 15 wherein said lever arm assembly further comprises: a first opening that extends from said actuation ring first side to said recess; a second opening that extends from said actuation ring second side to said recess; and an articulating block comprising a first tab that is configured to extend at least partially into said first opening and a second tab that is configured to extend at least partially into said second opening, said first and second tabs configured to couple said articulating block to said actuation ring.

이 특허에 인용된 특허 (13)

이 특허를 인용한 특허 피인용횟수: 5

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Variable stator vane lever arm assembly and method of assembling same

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Variable stator vane lever arm assembly and method of assembling same

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이 특허에 인용된 특허 (13)

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