[특허]Concentric tube support assembly

Siemens Energy, Inc.

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Concentric tube support assembly

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F23D-003/40 F02C-001/00
미국특허분류(USC)	060/723; 060/039.822; 431/007; 431/170
출원번호	US-0784149 (2007-04-05)
등록번호	US-8256221 (2012-09-04)
발명자 / 주소	Rubio, Mark F. Glessner, John C.
출원인 / 주소	Siemens Energy, Inc.
인용정보	피인용 횟수 : 2 인용 특허 : 26

초록
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An assembly (45) includes a plurality of separate pie-shaped segments (72) forming a disk (70) around a central region (48) for retaining a plurality of tubes (46) in a concentrically spaced apart configuration. Each segment includes a support member (94) radially extending along an upstream face (96) of the segment and a plurality of annularly curved support arms (98) transversely attached to the support member and radially spaced apart from one another away from the central region for receiving respective upstream end portions of the tubes in arc-shaped spaces (100) between the arms. Each segment also includes a radial passageway (102) formed in the support member for receiving a fluid segment portion (106) and a plurality of annular passageways (104) formed in the support arms for receiving respective arm portions (108) of the fluid segment portion from the radial passageway and for conducting the respective arm portions into corresponding annular spaces (47) formed between the tubes retained by the disk.

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1. In a gas turbine engine comprising a compressor, a catalytic combustor receiving compressed air from the compressor, and a turbine receiving hot combustion gas from the catalytic combustor, an assembly of the catalytic combustor comprising: a plurality of separate pie-shaped segments forming a disk around a central region for retaining a plurality of tubes having a catalyst disposed on at least a portion of surfaces of the tubes in a concentrically spaced apart configuration, each segment comprising:a support member radially extending along an upstream face of the segment;a plurality of annularly curved support arms transversely attached to the support member and radially spaced apart from one another away from the central region for receiving respective upstream end portions of the tubes in arc-shaped spaces between the arms;a radial passageway formed in the support member for receiving a fluid segment portion; anda plurality of annular passageways formed in the support arms for receiving respective arm portions of the fluid segment portion from the radial passageway and for conducting the respective arm portions into corresponding annular spaces formed between the tubes retained by the disk. 2. The assembly of claim 1, wherein the segments comprise radially aligned segment openings extending through the respective arms of the segments. 3. The assembly of claim 2, wherein the segment openings are formed through the arms proximate radial edges of the segment separate from the annular passageways. 4. The assembly of claim 2, wherein the tubes comprise radially aligned tube openings formed in the upstream end portions of the tubes corresponding to the radially aligned segment openings of the segments when the upstream end portions of the tubes are disposed in the arc-shaped spaces between the arms. 5. The assembly of claim 4, further comprising retainers for securing the tubes through the radially aligned segment openings and the radially aligned tube openings. 6. The assembly of claim 5, further comprising a retaining ring disposed radially outward of the disk comprising radially aligned ring openings formed in the ring corresponding to the radially aligned segment openings and the radially aligned tube openings for receiving the retainers therethrough for at least partially retaining the segments in the disk. 7. The assembly of claim 5, wherein at least one of the tubes comprises a fastening structure for securing the retainer in the radially aligned segment openings and the radially aligned tube openings. 8. The assembly of claim 7, wherein the at least on of the tubes comprises a radially innermost tube. 9. The assembly of claim 7, wherein fastening structure comprises a first threaded region formed in at least one of the radially aligned tube openings. 10. The assembly of claim 9, wherein the retainer comprises a second threaded region for engagement with the first threaded region of the at least one radially aligned tube opening to secure the retainer therein. 11. The assembly of claim 4, wherein the upstream end portions of the tubes comprise a plurality of circumferentially spaced apart tabs. 12. The assembly of claim 11, wherein the radially aligned tube openings are formed in the tabs. 13. The assembly of claim 12, wherein at least two of the radially aligned tube openings are formed in each tab, each one of the openings formed in the tab associated with a different one of the segments of the disk. 14. The assembly of claim 13, wherein the tabs comprises at least two tab portions separated by a longitudinal slot therebetween for allowing movement of the tab portions relative to each other. 15. The assembly of claim 12, wherein the longitudinal slot comprises a stress relieving structure proximate a bottom of the slot. 16. The assembly of claim 1, further comprising a metering plate disposed at an outlet of the annular passageway for distributing the arm portion along a respective arc of the annular space formed between at least two of the tubes. 17. The assembly of claim 1, further comprising a flow directing element disposed upstream of the segment for receiving the fluid segment portion and for directing the fluid segment portion into the radial passageway of the segment. 18. The assembly of claim 17, wherein the flow directing element comprises a transition region defined between a trapezoidal cross section at an upstream end of the flow directing element and a rectangular cross section at a downstream end of the flow directing element. 19. The assembly of claim 17, further comprising a flow distribution element disposed upstream of the flow directing elements having a plurality of annularly arranged fluid mixing chambers disposed around the central region in communication with the respective flow directing elements for delivering the respective fluid segment portions thereto. 20. The assembly of claim 19, wherein the mixing chamber comprises: a first radial fluid inlet for receiving a first mixing portion of a first fluid flow,an axial fluid inlet for receiving a second mixing portion of a second fluid flow,a mixing region for mixing the first mixing portion of the first fluid flow and the second mixing portion of second fluid flow to produce the fluid segment portion; anda fluid outlet for discharging the fluid segment portion into the flow directing element. 21. The assembly of claim 20, wherein the fluid outlet of the mixing chamber comprises a geometry for receiving at least an upstream portion of the flow directing element therein effective to provide a slip fit between the fluid outlet of the mixing chamber and the upstream portion of the flow directing element. 22. The assembly of claim 20, wherein the flow distribution element further comprises a plurality of radial fluid inlets for receiving respective cooling portions of the first fluid flow. 23. The assembly of claim 22, further comprising a flowpath for conducting the cooling portion of the second fluid flow from at least one of the radial fluid inlets to the annular spaces between the arms to provide backside cooling of the tubes. 24. The assembly of claim 20, wherein the first fluid flow comprises an oxidizer. 25. The assembly of claim 20, wherein the second fluid flow comprises a fuel. 26. The assembly of claim 1, wherein the fluid segment portion comprises a fuel/oxidizer mixture.

이 특허에 인용된 특허 (26)

이 특허를 인용한 특허 피인용횟수: 2

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특허 상세정보

Concentric tube support assembly

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이 특허에 인용된 특허 (26)

이 특허를 인용한 특허 피인용횟수: 2

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Concentric tube support assembly

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이 특허에 인용된 특허 (26)

이 특허를 인용한 특허 피인용횟수: 2

IPC 상위 출원인

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IPC 상세정보(version : 201201)

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