[특허]Turnbuckle dampening links

General Electric Company

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Turnbuckle dampening links

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F04D-029/56 F04D-027/02 F01D-025/06 F01D-017/14 F04D-029/66 F01D-017/16 F04D-015/00
출원번호	US-0932028 (2015-11-04)
등록번호	US-9982686 (2018-05-29)
발명자 / 주소	Ramirez Ollervides, Aldo Daniel De Leon Teran, Luis Alejandro VanDemark, Timothy Jay Horner, Sr., Steven Edward
출원인 / 주소	General Electric Company
대리인 / 주소	General Electric Company
인용정보	피인용 횟수 : 0 인용 특허 : 12

초록
▼

An elastomeric dampening link including two or more interconnected dampening bushings mounted around corresponding ones of two or more adjustable length turnbuckles linked to devices and elastomeric dampening link includes at least one bar connecting adjacent ones of the dampening bushings. Clamping bands of clamp may be clamped around each of the dampening bushings. Bar may be in tension between the dampening bushings. Each of the turnbuckles may include a rod disposed in a corresponding one of the dampening bushings and having distal hollow internally threaded first end, first eyelet mounted on the first externally threaded shank adjustably screwed into internally threaded first end. One of the bushings may be substantially solid, have a rectangular slot extending inwardly from an annular surface of bushing, and the rod may have six sided surface with two opposite sides slidingly engaging and fitting snugly in the slot. Turnbuckles and links may be used to actuate variable stator vanes.

대표
청구항
▼

1. A torque shaft assembly for actuating devices on a gas turbine engine, the assembly comprising: two or more adjustable length turnbuckles linked to devices,an elastomeric dampening link including two or more interconnected dampening bushings mounted around corresponding ones of the two or more adjustable length turnbuckles, andthe elastomeric dampening link including at least one bar connecting adjacent ones of the dampening bushings. 2. The assembly as claimed in claim 1 further comprising a clamp with a clamping band clamped around each of the dampening bushings. 3. The assembly as claimed in claim 2 further comprising the bar in tension between the dampening bushings. 4. The assembly as claimed in claim 2 further comprising at least one of the dampening bushings circumscribed about a bushing centerline, being substantially solid, and having a rectangular slot extending radially inwardly from an annular surface of each of the dampening bushings. 5. An assembly as claimed in claim 1 further comprising: each of the turnbuckles including a rod disposed in a corresponding one of the dampening bushings and having distal hollow internally threaded first end,a first eyelet mounted on a first externally threaded shank, andthe first externally threaded shank adjustably screwed into the internally threaded first end. 6. The assembly as claimed in claim 5 further comprising the bar in tension between the dampening bushings. 7. The assembly as claimed in claim 6 further comprising clamps with clamping bands clamped around the dampening bushings. 8. The assembly as claimed in claim 5 further comprising: at least one of the dampening bushings circumscribed about a bushing centerline, being substantially solid, and having a rectangular slot extending radially inwardly from an annular surface of each of the dampening bushings,the rod including a six sided surface with two opposite sides slidingly engaging and fitting snugly in the slot, and clamps with clamping bands clamped around the dampening bushings. 9. The assembly as claimed in claim 8 further comprising the clamping band received in an annular slot or groove in each of the dampening bushings. 10. A variable stator vane actuation apparatus comprising: a compressor casing surrounding and supporting two or more rows of variable stator vanes,a variable stator vane dampened linkage including two or more unison ring assemblies mounted exterior to the compressor casing and operable for varying the angle of variable stator vanes in corresponding ones of the rows,two or more adjustable length turnbuckles linking corresponding ones of the two or more unison ring assemblies to a torque shaft mounted on the compressor casing,an elastomeric dampening link including two or more interconnected dampening bushings mounted around corresponding ones of the two or more adjustable length turnbuckles, andthe elastomeric dampening link including at least one bar connecting adjacent ones of the dampening bushings. 11. The apparatus as claimed in claim 10 further comprising the bar in tension between the dampening bushings. 12. The apparatus as claimed in claim 11 further comprising a clamp with a clamping band clamped around each of the dampening bushings. 13. The apparatus as claimed in claim 12 further comprising at least one of the dampening bushings circumscribed about a bushing centerline, being substantially solid, and having a rectangular slot extending radially inwardly from an annular surface of each of the dampening bushings. 14. The apparatus as claimed in claim 10 further comprising: each of the turnbuckles including a rod disposed in a corresponding one of the dampening bushings and having distal hollow internally threaded first and second ends,first and second eyelets attached to or mounted on first and second externally threaded shanks respectively, andthe first and second externally threaded shanks adjustably screwed into the internally threaded first and second ends respectively. 15. The apparatus as claimed in claim 14 further comprising: the first eyelets pivotably connected to first clevises mounted on the torque shaft with first clevis ball joints,the second eyelets pivotably connected to second clevises mounted to unison rings of the two or more unison ring assemblies with second clevis ball joints, andfirst and second spherical bushings centered and disposed in the first and second eyelets respectively. 16. The apparatus as claimed in claim 15 further comprising the bar in tension between the dampening bushings. 17. The apparatus as claimed in claim 16 further comprising a clamp with a clamping band clamped around each of the dampening bushings. 18. The apparatus as claimed in claim 17 further comprising the clamping band received in an annular slot or groove in each of the dampening bushings. 19. The apparatus as claimed in claim 18 further comprising: at least one of the dampening bushings circumscribed about a bushing centerline, being substantially solid, and having a rectangular slot extending radially inwardly from an annular surface of each of the dampening bushings,the rod including a six sided surface with two opposite sides slidingly engaging and fitting snugly in the slot, anda clamp with a clamping band clamped around each of the dampening bushings. 20. The apparatus as claimed in claim 11 further comprising: vane crank arms connecting the variable stator vanes to the unison rings,the second clevises mounted on bridges of the unison rings,each of the turnbuckles including a rod disposed in a corresponding one of the dampening bushings and having distal hollow internally threaded first and second ends,first and second eyelets attached to or mounted on first and second externally threaded shanks respectively,the first and second externally threaded shanks adjustably screwed into the internally threaded first and second ends respectively,the first eyelets pivotably connected to first clevises mounted on the torque shaft with first clevis ball joints,the second eyelets pivotably connected to second clevises mounted to unison rings of the two or more unison ring assemblies with second clevis ball joints, andfirst and second spherical bushings centered and disposed in the first and second eyelets respectively.

이 특허에 인용된 특허 (12)

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특허 상세정보

Turnbuckle dampening links

초록
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청구항
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이 특허에 인용된 특허 (12)

IPC 상위 출원인

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IPC 상세정보(version : 201201)

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특허 상세정보

Turnbuckle dampening links

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이 특허에 인용된 특허 (12)

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

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