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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Scalloped surface turbine stage

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F01D-005/22    F01D-005/12   
미국특허분류(USC) 416/193.A
출원번호 US-0022121 (2004-12-24)
발명자 / 주소
  • Tam,Anna
  • Lee,Ching Pang
  • Kirtley,Kevin Richard
  • Bunker,Ronald Scott
  • Lamson,Scott Henry
  • Carson,Scott Michael
출원인 / 주소
  • General Electric Company
인용정보 피인용 횟수 : 70  인용 특허 : 17
초록

A turbine stage includes a row of airfoils joined to corresponding platforms to define flow passages therebetween. Each airfoil includes opposite pressure and suction sides and extends in chord between opposite leading and trailing edges. Each platform has a scalloped flow surface including a bulge adjoining the pressure side adjacent the leading edge, and a bowl adjoining the suction side aft of the leading edge.

대표
청구항
▼

The invention claimed is: 1. A turbine stage comprising: a row of airfoils integrally joined to corresponding platforms and spaced laterally apart to define respective flow passages therebetween for channeling gases; each of said airfoils including a concave pressure side and a laterally opposite convex suction side extending in chord between opposite leading and trailing edges; each of said platforms having a scalloped flow surface including a bulge adjoining said pressure side adjacent said leading edge, and a bowl adjoining said suction side aft of s...

이 특허에 인용된 특허 (17)

  1. William A. Kvasnak ; Friedrich O. Soechting ; Karen A. Thole ; Gary A. Zess, Apparatus and method for inhibiting radial transfer of core gas flow within a core gas flow path of a gas turbine engine.
  2. Harvey Neil W,GBX ; Rose Martin G,GBX, Bladed ducting for turbomachinery.
  3. John Peter Heyward ; Gregory Alan White ; Richard Hartley Pugh, Brazeless fillet turbine nozzle.
  4. John J. Decker ; Andrew Breeze-Stringfellow, Convex compressor casing.
  5. Scott, Robert Kenmer; Tapley, Joseph Theodore, Cooling of combustion turbine airfoil fillets.
  6. Staubach, J. Brent; Wagner, Joel H.; Aggarwala, Andrew S., Endwall shape for use in turbomachinery.
  7. Spear David A. (Manchester CT) Biederman Bruce P. (Meriden CT), Flow directing assembly for the compression section of a rotary machine.
  8. David William Crall ; John Robert Kelley ; Ian Francis Prentice ; Gregory Scott McNulty ; Michael De Wayne Toye, Fluted blisk.
  9. Decker, John J.; Breeze-Stringfellow, Andrew, Fluted compressor flowpath.
  10. Tiemann, Peter, Gas turbine blade and method for producing a gas turbine blade.
  11. Kawarada, Satoshi; Sonoda, Toyotaka, Gas turbine engine.
  12. Mielke, Mark J.; Rhoda, James E.; Bulman, David E.; Burns, Craig P.; Smith, Paul M.; Suffoletta, Daniel G.; Ballman, Steven M.; Zylka, Richard P.; Egan, Lawrence J., Reduced-stress compressor blisk flowpath.
  13. Hoeger Martin,DEX ; Schmidt-Eisenlohr Uwe,DEX, Rotary turbomachine having a transonic compressor stage.
  14. Corcokios Nicholas (Palm Beach Gardens FL), Stator vane cluster.
  15. Ching-Pang Lee, Tandem cooling turbine blade.
  16. Bessay Raymond (Belfort FRX), Turbine stage.
  17. Bessay Raymond (Belfort FRX), Turbine stage.

이 특허를 인용한 특허 (70)

  1. Xu, JinQuan, Airfoil assembly with paired endwall contouring.
  2. Schotsch, Margaret Jones; Gill, Randall; Stevens, Peter; Leo, David; Seymour, John, Airfoil for nozzle and a method of forming the machined contoured passage therein.
  3. Lee, Ching-Pang; Munshi, Mrinal; Azad, Gm S.; Um, Jae Y., Airfoil having built-up surface with embedded cooling passage.
  4. Xu, JinQuan, Airfoil member and composite platform having contoured endwall.
  5. Harvey,Neil W., Axial compressor blading.
  6. Pandey, Vidhu Shekhar; Clements, Jeffrey Donald; Lee, Ching-Pang, Banked platform turbine blade.
  7. Kuhne, Craig Miller; Bubnick, Joseph Steven; Kalb, Alisha Vachhani, Biformal platform turbine blade.
  8. Pernleitner, Martin; Dopfer, Manfred; Huebner, Norbert, Blade for a turbomachine, blade arrangement, and turbomachine.
  9. Reno, Kyle William, Blade for use with a rotary machine and method of assembling same rotary machine.
  10. Wunderer, Roland; Passrucker, Harald, Blading.
  11. Wunderer, Roland; Passrucker, Harald, Blading.
  12. Lee, Ching-Pang; Wang, Hsin-Pang; Upadhyay, Ram Kumar; Myers, Paul Richard; Edgar, Marc Thomas; Martyn, Thomas Donald; Estill, Eric Alan, Composite core die, methods of manufacture thereof and articles manufactured therefrom.
  13. Lee, Ching-Pang; Wang, Hsin-Pang; Upadhyay, Ram Kumar; Myers, Paul Richard; Edgar, Marc Thomas; Martyn, Thomas Donald; Estill, Eric Alan, Composite core die, methods of manufacture thereof and articles manufactured therefrom.
  14. Wiebe, David J.; Montgomery, Matthew D., Control of blade tip-to-shroud leakage in a turbine engine by directed plasma flow.
  15. Lee,Ching Pang; Tam,Anna; Kirtley,Kevin Richard; Lamson,Scott Henry, Crescentic ramp turbine stage.
  16. Pandey, Vidhu Shekhar; Lee, Ching-Pang; Schilling, Jan Christopher; Wadia, Aspi Rustom; Keith, Brian David; Clements, Jeffrey Donald, Curved platform turbine blade.
  17. Lee, Ching Pang; Wang, Hsin Pang; Upadhyay, Ram Kumar; Myers, Paul Richard; Edgar, Marc Thomas, Disposable insert, and use thereof in a method for manufacturing an airfoil.
  18. Wang,Hsin Pang; Edgar,Marc Thomas; Leman,John Thomas; Lee,Ching Pang; Estill,Eric Alan, Disposable thin wall core die, methods of manufacture thereof and articles manufactured therefrom.
  19. Venugopal, Prem; Stein, Alexander; Otta, Shourya Prakash; Suresh, Ambady, End wall contour for an axial flow turbine stage.
  20. Aggarwala, Andrew S.; Grover, Eric A., Endwall contouring.
  21. Praisner, Thomas J.; Aggarwala, Andrew S.; Grover, Eric A.; Jurek, Renee J., Endwall contouring.
  22. Grover, Eric A.; Praisner, Thomas J.; Modesto-Madera, Noel; Jurek, Renee J., Endwall with leading-edge hump.
  23. Turner, Matthew A.; Brown, Charles W.; Bugaj, Shari L.; Quinn, Christopher M.; Hyland, David J.; Alarcon, Andrew G., Fairing assembly.
  24. Thomas, Flavien L., Fan exit guide vane platform contouring.
  25. Lee, Ching-Pang; Tham, Kok-Mun; Vitt, Paul H.; Williamson, Stephen R.; Montgomery, Matthew D.; Prakash, Chander; Harris, Melissa, Flow directing member for gas turbine engine.
  26. Tham, Kok-Mun; Lee, Ching-Pang, Flow directing member for gas turbine engine.
  27. Johann, Erik, Fluid-flow machine.
  28. Vu, Ky H.; O'Neill, Lisa P.; Fukuda, Takao; Mace, Jr., Gerald M.; Turko, Andy; Boursy, Andrew P.; Boy, Lynn M., Gas turbine engine airfoil platform edge geometry.
  29. Power, Bronwyn; Fulayter, Roy D.; Rivers, Jonathan M., Gas turbine engine flow path geometry.
  30. Praisner, Thomas J.; Grover, Eric A., Gas turbine engine with non-axisymmetric surface contoured rotor blade platform.
  31. Grover, Eric A.; Praisner, Thomas J., Gas turbine engine with non-axisymmetric surface contoured vane platform.
  32. Beeck, Alexander R.; Mhetras, Shantanu P., Mateface gap configuration for gas turbine engine.
  33. Cassidy, Paul James; Paauwe, Engelbert John; Tessier, Michael James, Method for removing a rotor bucket from a turbomachine rotor wheel.
  34. Helvaci, Caner Hasan; Cooper, Brian Guy, Method of designing guide vane formations.
  35. Lee, Ching-Pang; Wang, Hsin-Pang; Bunker, Ronald Scott; Tewari, Sudhir Kumar; Azer, Magdi Naim, Method of modifying the end wall contour in a turbine using laser consolidation and the turbines derived therefrom.
  36. Kinde, Sr., Ronald August, Modular engine units including turbine engine with combustion mediating hub.
  37. Montgomery, Matthew D.; Prakash, Chander, Plasma actuator controlled film cooling.
  38. Montgomery, Matthew D.; Lee, Ching-Pang; Prakash, Chander, Plasma induced flow control of boundary layer at airfoil endwall.
  39. Giri, Sheo Narain; Bommanakatte, Harish; Banakar, Mohankumar; Ward, Jr., John David; Lomas, Jonathan Matthew, Rotating airfoil component with platform having a recessed surface region therein.
  40. Jones, Jeffrey Clarence; Zhang, Xiuzhang James; Merrill, Mitchell Allan, Rotor blade having a flared tip.
  41. Johann, Erik; Heinichen, Frank, Rotor of an axial compressor stage of a turbomachine.
  42. Gupta, Anurag; Barr, Brian Chandler; Kirtley, Kevin Richard; Tam, Anna, Scalloped surface turbine stage with trailing edge ridges.
  43. Johann, Erik; Heinichen, Frank, Stator of an axial compressor stage of a turbomachine.
  44. Kirtley, Kevin Richard, Turbine airfoil.
  45. Bunker, Ronald Scott; Itzel, Gary Michael, Turbine airfoil concave cooling passage using dual-swirl flow mechanism and method.
  46. Ceglio, Christopher Michael; Bauer, Randall Charles; Molter, Stephen Mark; Stegemiller, Mark Edward, Turbine airfoil with local wall thickness control.
  47. Clements, Jeffrey Donald; Pandey, Vidhu Shekhar; Lee, Ching-Pang, Turbine assembly with end-wall-contoured airfoils and preferenttial clocking.
  48. Campbell, Christian X.; Eng, Darryl; Marra, John J., Turbine blade and non-integral platform with pin attachment.
  49. Campbell, Christian Xavier; Eng, Darryl; Marra, John J., Turbine blade and non-integral platform with pin attachment.
  50. Iida, Koichiro, Turbine blade cascade end wall.
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  63. Beeck, Alexander R., Turbine component including airfoil with contour.
  64. Ristau, Neil; DeForest, Russell Pierson; Rutherford, William Ladd, Turbine nozzle having fillet, pinbank, throat region and profile.
  65. Brozyna, Lee Larned; Golden, Christopher Lee; Porter, Christopher Donald, Turbine nozzle having non-axisymmetric endwall contour (EWC).
  66. Stein, Alexander; Brown, Joe Timothy; Meenakshisundaram, Ravichandran, Turbine nozzle having non-axisymmetric endwall contour (EWC).
  67. Winn, Aaron Gregory; Gergely, George Andrew; Holloway, Mary Virginia; Smith, Paul Kendall, Turbine nozzle having non-axisymmetric endwall contour (EWC) and profile.
  68. Bielek, Craig Allen; Ghute, Pradeep Jagannath, Turbine nozzle profile.
  69. Clements, Jeffrey Donald; Pandey, Vidhu Skekhar; Lee, Ching-Pang, Turbine nozzle with contoured band.
  70. Lohaus, Andrew S.; Campbell, Christian Xavier; Miller, Jr., Samuel R.; Marra, John J., Vane array with one or more non-integral platforms.

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