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특허 상세정보

Tri-passage diffuser for a gas turbine

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F02C-007/00   
미국특허분류(USC) 60/251 ; 415/207 ; 415/211.2
출원번호 US-0598885 (1996-02-09)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Nixon & Vanderhye
인용정보 피인용 횟수 : 19  인용 특허 : 4
초록

In a gas turbine having a transition region between a combustor and turbine stage including a transition piece duct extending between a combustor liner and the turbine stage; an impingement sleeve surrounding the transition piece, the impingement sleeve having a plurality of apertures therein; and a compressor diffuser directing compressor discharge air into the transition region, an improvement wherein the diffuser includes a pair of outer walls flaring outwardly in a direction of compressor discharge air flow; and a pair of baffles within a flow area d...

대표
청구항

[ What is claimed is:] [1.] A compressor discharge diffuser for a gas turbine comprising:an internal casing defining a pair of outer diffuser walls flaring outwardly in a direction of compressor discharge air flow; anda pair of baffles within a flow area defined by said pair of outer diffuser walls which divide said flow area into three discrete flow passage, wherein one of said three passages diverts compressor discharge air flow substantially radially; and further wherein another of said three passages diverts compressor discharge flow primarily in an ...

이 특허를 인용한 특허 피인용횟수: 19

  1. Robert James Bland. Aerodynamic devices for enhancing sidepanel cooling on an impingement cooled transition duct and related method. USP2002126494044.
  2. Chen, Wei; Thomas, Stephen Robert; Myers, Geoffrey David; Turaga, Vijay Kumar. Airfoil, sleeve, and method for assembling a combustor assembly. USP2013038387396.
  3. Martling,Vincent C.; Xiao,Zhenhua. Apparatus and method for reducing the heat rate of a gas turbine powerplant. USP2006057047723.
  4. Little, David A.; Paprotna, Hubertus E.; Light, Kevin M.. Combustion turbine including a diffuser section with cooling fluid passageways and associated methods. USP2012098257025.
  5. Fox, Timothy A.; Wiebe, David J.; Ritland, David M.; Glessner, John Carl. Combustor apparatus in a gas turbine engine. USP2013108549859.
  6. Koenig, Michael H.; Ryan, William R.. Combustor assembly comprising a combustor device, a transition duct and a flow conditioner. USP2013078490400.
  7. Daniel Mark Brown ; David Orus Fitts ; Stephen Hugh Black FR. Combustor liner cooling thimbles and related method. USP2002116484505.
  8. Dawson, Robert W.; Liebe, Roland. Cooling channel for cooling a hot gas guiding component. USP2013098522557.
  9. Dawson, Robert W.. Fluid flow distributor apparatus for gas turbine engine mid-frame section. USP2009107600370.
  10. Graziosi, Paolo; Warren, Jr., Richard Edwin; Fric, Thomas Frank; Mani, Ramani; Hofer, Douglas Carl. Fluidic actuation for improved diffuser performance. USP2005056896475.
  11. Caron, Timothy James; Skyes, Peter J.; Meyer, Christopher J.; Liberatore, Federico. Gas turbine diffuser with flow separator. USP2016019239166.
  12. Bland, Robert J.. Gas turbine engine curved diffuser with partial impingement cooling apparatus for transitions. USP2011017870739.
  13. Lindenfeld, John William. Gas turbine exhaust diffuser. USP2011077980055.
  14. Yelmule, Mukesh Marutrao; Schott, Carl Gerard. Method and system for providing a splitter to improve the recovery of compressor discharge casing. USP2012108276390.
  15. Al-Roub, Marwan; Creevy, Clifford Stephen; Roberts, Jr., Hubert Smith; Greenwood, Anthony Paul. Methods and apparatus for supplying air to turbine engine combustors. USP2003116651439.
  16. Graves, Charles B.; Bloom, Stuart M.; Wicksall, Donald M.; Determan, Jacob E.. Multi-passage diffuser with reactivated boundary layer. USP2017029574575.
  17. Leachman,David Paul; Sailer,Edward David; Bloomberg,John Eric. System and method for improving thermal efficiency of dry low emissions combustor assemblies. USP2007037185495.
  18. Kirtley, Kevin R.. Systems and apparatus relating to compressor stator blades and diffusers in turbine engines. USP2012128328513.
  19. Chen, Wei; Thomas, Stephen Robert; Myers, Geoffrey David; Turaga, Vijay Kumar. Thimble, sleeve, and method for cooling a combustor assembly. USP2012108281600.