IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0343519
(2012-01-04)
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등록번호 |
US-8926290
(2015-01-06)
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발명자
/ 주소 |
- Hart, Andrew Clifford
- Desai, Tushar Sharadchandra
- Dimmick, III, John Herbert
- Forcier, Matthew Paul
- Han, Chunlian
- Smith, Charles Alexander
|
출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
14 |
초록
▼
An attenuation bracket is provided and includes an annular body having an annular attenuation arm defining first through-holes and an annular base defining second through-holes. A cross-section of the attenuation arm includes a flange, a connector opposite the flange and a curvilinear section extend
An attenuation bracket is provided and includes an annular body having an annular attenuation arm defining first through-holes and an annular base defining second through-holes. A cross-section of the attenuation arm includes a flange, a connector opposite the flange and a curvilinear section extending between the flange and the connector. A cross-section of the base includes a first side corresponding with the flange and a second side opposite the first side and corresponding with the connector. The second side is connectable with the connector such that each of the first through-holes is defined in positional alignment with a corresponding one of the second through-holes.
대표청구항
▼
1. An impeller tube assembly, comprising: an annular body having an annular attenuation arm defining first through-holes and an annular base defining second through-holes,a cross-section of the attenuation arm including a flange, a connector opposite the flange and a curvilinear section extending be
1. An impeller tube assembly, comprising: an annular body having an annular attenuation arm defining first through-holes and an annular base defining second through-holes,a cross-section of the attenuation arm including a flange, a connector opposite the flange and a curvilinear section extending between the flange and the connector,a cross-section of the base including a first side corresponding with the flange where correspondence between the first side and the flange is positional correspondence defined along an axial dimension and a second side opposite the first side and corresponding with the connector where correspondence between the second side and the connector is positional correspondence defined along the axial dimension,the second side is attached with the connector such that each of the first through-holes is defined in positional alignment with a corresponding one of the second through-holes. 2. The impeller tube assembly according to claim 1, wherein the first through-holes are cylindrical and the second through-holes are frusto-conical. 3. The impeller tube assembly according to claim 1, wherein the base is formed to define an annular recess. 4. The impeller tube assembly according to claim 1, wherein the first and second through-holes are cylindrical. 5. The impeller tube assembly according to claim 1, wherein the first through-holes are cylindrical and the second through-holes are pear-shaped and include a notch defined therein within which a press fit feature is fittable. 6. An impeller tube assembly, comprising: an annular body having an annular attenuation arm defining first through-holes and an annular base defining second through-holes,a cross-section of the attenuation arm including a flange, a connector opposite the flange and a curvilinear section extending between the flange and the connector,a cross-section of the base including a first side corresponding with the flange and a second side opposite the first side and corresponding with the connector,the second side is attached with the connector such that each of the first through-holes is defined in positional alignment with a corresponding one of the second through-holes,wherein the first through-holes are cylindrical and the second through-holes are pear-shaped, the annular body further comprising:a freeze fit ring defining third through-holes; andan alignment pin to align the freeze fit ring such that each of the third through-holes is defined in positional alignment with corresponding ones of the first and second through-holes. 7. A turbomachine component, comprising: a wheel rotatable about a rotor axis and having a body and opposite wheel faces thereof;a plurality of tubes oriented in a radial dimension relative to the rotor axis and arranged in an annular array about the rotor axis; andan attenuation bracket coupled to one of the faces of the wheel to radially support the plurality of the tubes in rotational and non-rotational modes, the attenuation bracket comprising:an annular body having an annular attenuation arm defining first through-holes and an annular base defining second through-holes,the attenuation arm being connectable with the base such that each of the first through-holes is defined in positional alignment with a corresponding one of the second through-holes, andeach of the plurality of the tubes being extendable through one of the first through-holes and the corresponding one of the second through-holes. 8. The turbomachine component according to claim 7, wherein the attenuation arm extends radially outwardly and curvilinearly from the base and the attenuation bracket is coupled to the one of the wheel faces of the wheel at an inner diameter thereof and the plurality of tubes extend radially outwardly from the attenuation bracket. 9. The turbomachine component according to claim 7, further comprising an anti-rotation feature to prevent rotation of the plurality of the tubes about the radial dimension. 10. The turbomachine component according to claim 7, wherein each of the plurality of the tubes comprises: an outer tube; andan inner tube including damping features for limiting a vibration of the outer tube. 11. The turbomachine component according to claim 10, wherein mechanical bonds connect at least one or more of the outer tube and the attenuation bracket and the inner tube and the outer tube. 12. The turbomachine component according to claim 10, wherein the inner tube and the outer tube are compressively secured to the attenuation bracket. 13. The turbomachine component according to claim 10, wherein the inner tube and the outer tube are threaded together. 14. The turbomachine component according to claim 10, wherein the inner tube and the outer tube are compressively trapped within the attenuation bracket. 15. The turbomachine component according to claim 10, further comprising a press fit ring to be press fit into the attenuation bracket to compressively trap the inner tube and the outer tube within the attenuation bracket. 16. The turbomachine component according to claim 10, further comprising: a freeze fit ring defining third through-holes to compressively trap the inner tube and the outer tube within the attenuation bracket; andan alignment pin to align the freeze fit ring such that each of the third through-holes is defined in positional alignment with corresponding ones of the first and second through-holes. 17. A turbomachine component, comprising: a wheel rotatable about a rotor axis and having a body and opposite wheel faces thereof;a plurality of tubes oriented in a radial dimension relative to the rotor axis and arranged in an annular array about the rotor axis; andan attenuation bracket coupled to an inner diameter of one of the wheel faces of the wheel to radially support the plurality of the tubes in rotational and non-rotational modes, the attenuation bracket comprising:an annular body having an annular attenuation arm defining first cylindrical through-holes and an annular base defining second frusto-conical through-holes,the attenuation arm being connectable with the base such that each of the first through-holes is defined in positional alignment with a corresponding one of the second through-holes, andeach of the plurality of the tubes being mechanically bonded to the base such that retention and rotation prevention thereof is provided via friction generated between the tubes and the second through-holes and being radially, outwardly extendable through one of the first through-holes and the corresponding one of the second through-holes. 18. The turbomachine component according to claim 17, wherein a frusto-conical angle of each of the second through-holes is about 3-20 degrees, inclusively. 19. The turbomachine component according to claim 17, wherein a frusto-conical angle of each of the second through-holes is about 10 degrees. 20. The turbomachine component according to claim 17, wherein a frusto-conical angle of each of the second through-holes is about 16 degrees.
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