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Rotor airfoils to control tip leakage flows 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F01D-005/20
출원번호 US-0334301 (1994-11-04)
발명자 / 주소
  • Sharma Om P. (Vernon CT) Staubach Joseph B. (Colchester CT) Stetson Gary (Tolland CT)
출원인 / 주소
  • United Technologies Corporation (Hartford CT 02)
인용정보 피인용 횟수 : 52  인용 특허 : 0

초록

A rotor blade for a gas turbine engine includes a bowed surface on a tip region of the suction side thereof. The curvature of the bowed surface progressively increases toward the tip of the blade. The bowed surface results in a reduction of tip leakage through a tip clearance from the pressure side

대표청구항

A gas turbine engine rotor blade having a pressure side and a suction side spanning from a root to a tip, said rotor blade having a leading edge and a trailing edge, said rotor blade having a root region, a mid-span region and a tip region stacked radially from said root to said tip, said rotor blad

이 특허를 인용한 특허 (52)

  1. Haller, Brian Robert, Aerofoil for an axial flow turbomachine.
  2. Aggarwala, Andrew S.; Allen-Bradley, Eunice; Grover, Eric A.; Trindade, Ricardo, Airfoil design having localized suction side curvatures.
  3. Pernleitner, Martin; Dopfer, Manfred; Huebner, Norbert, Blade for a turbomachine, blade arrangement, and turbomachine.
  4. Wood Peter J. ; Decker John J. ; Steinmetz Gregory T. ; Mielke Mark J., Bowed compressor airfoil.
  5. Todd S. Heffron ; John P. Heyward ; John H. Starkweather ; Scott M. Carson, Bowed nozzle vane with selective TBC.
  6. Phillips James S. ; Arness Brian P., Cooling duct turn geometry for bowed airfoil.
  7. Guemmer, Volker, Engine blade with excessive leading edge loading.
  8. Neubrand, Fabian; Hofmann, Willy Heinz, Gas turbine blade.
  9. Gallagher, Edward J.; Brilliant, Lisa I.; Straccia, Joseph C.; Balamucki, Stanley J.; Stephens, Mark A.; Hudon, Kate, Gas turbine engine airfoil.
  10. Gallagher, Edward J.; Brilliant, Lisa I.; Straccia, Joseph C.; Balamucki, Stanley J.; Stephens, Mark A.; Hudon, Kate, Gas turbine engine airfoil.
  11. Gallagher, Edward J.; Monzon, Byron R.; Liu, Ling; Li, Linda S.; Whitlow, Darryl; Ford, Barry M., Gas turbine engine airfoil.
  12. Gallagher, Edward J.; Monzon, Byron R.; Liu, Ling; Li, Linda S.; Whitlow, Darryl; Ford, Barry M., Gas turbine engine airfoil.
  13. Gallagher, Edward J.; Monzon, Byron R.; Liu, Ling; Li, Linda S.; Whitlow, Darryl; Ford, Barry M., Gas turbine engine airfoil.
  14. Gallagher, Edward J.; Monzon, Byron R.; Liu, Ling; Li, Linda S.; Whitlow, Darryl; Ford, Barry M., Gas turbine engine airfoil.
  15. Gallagher, Edward J.; Monzon, Byron R.; Liu, Ling; Li, Linda S.; Whitlow, Darryl; Ford, Barry M., Gas turbine engine airfoil.
  16. Gallagher, Edward J.; Monzon, Byron R.; Liu, Ling; Li, Linda S.; Whitlow, Darryl; Ford, Barry M., Gas turbine engine airfoil.
  17. Gallagher, Edward J.; Monzon, Byron R.; Liu, Ling; Li, Linda S.; Whitlow, Darryl; Ford, Barry M., Gas turbine engine airfoil.
  18. Gallagher, Edward J.; Monzon, Byron R.; Liu, Ling; Li, Linda S.; Whitlow, Darryl; Ford, Barry M., Gas turbine engine airfoil.
  19. Gallagher, Edward J.; Monzon, Byron R.; Liu, Ling; Li, Linda S.; Whitlow, Darryl; Ford, Barry M., Gas turbine engine airfoil.
  20. Gallagher, Edward J.; Monzon, Byron R.; Liu, Ling; Li, Linda S.; Whitlow, Darryl; Ford, Barry M., Gas turbine engine airfoil.
  21. Gallagher, Edward J.; Monzon, Byron R.; Liu, Ling; Li, Linda S.; Whitlow, Darryl; Ford, Barry M., Gas turbine engine airfoil.
  22. Gallagher, Edward J.; Monzon, Byron R.; Liu, Ling; Li, Linda S.; Whitlow, Darryl; Ford, Barry M., Gas turbine engine airfoil.
  23. Power, Bronwyn, Gas turbine engine airfoil shaped component.
  24. Power, Bronwyn, Gas turbine engine airfoil shaped component.
  25. Gallagher, Edward J.; Monzon, Byron R.; Liu, Ling; Li, Linda S.; Whitlow, Darryl; Ford, Barry M., Gas turbine engine airfoil total chord relative to span.
  26. Warikoo, Raman; Duong, Hien; Nichols, Jason; Yoshinaka, Tsukasa, Impeller.
  27. Jones, Jeffrey Clarence; Zhang, Xiuzhang James; Merrill, Mitchell Allan, Rotor blade having a flared tip.
  28. Dygert, Ryan K.; Bushnell, Peter R., Stall margin enhancement of axial fan with rotating shroud.
  29. Hofer, Douglas Carl; Nagel, Zachary William; Holmes, David Graham, Supersonic compressor rotor and method of assembling same.
  30. Hofer, Douglas Carl; Gottapu, Dhananjayarao, Supersonic compressor rotor and method of compressing a fluid.
  31. Hofer, Douglas Carl; Nagel, Zachary William; Gottapu, D{acute over (h)}ananjayarao, Supersonic compressor rotor and methods for assembling same.
  32. Hofer, Douglas Carl; Gottapu, Dhananjayarao, Supersonic compressor startup support system.
  33. Vysohlid, Martin; Hofer, Douglas Carl, Supersonic compressor startup support system.
  34. Sparks, Scott Matthew, System and method for reducing bucket tip losses.
  35. Hofer, Douglas Carl; Michelassi, Vittorio, System and method of assembling a supersonic compressor system including a supersonic compressor rotor and a compressor assembly.
  36. Hofer, Douglas Carl; Gottapu, Dhananjayarao, System and methods of assembling a supersonic compressor rotor including a radial flow channel.
  37. Ristau, Neil, Turbine and method for reducing shock losses in a turbine.
  38. Jones, Mark Andrew; Brozyna, Lee Larned, Turbine blade centroid shifting method and system.
  39. Herzlinger, Jason Douglas; Bommanakatte, Harish; Giglio, Anthony Louis; Perry, II, Jacob Charles, Turbine bucket base having serpentine cooling passage with leading edge cooling.
  40. Brozyna, Lee Larned; Collier, Matthew Durham; Kester, Christopher William; Stein, Alexander, Turbine bucket having non-axisymmetric base contour.
  41. Herzlinger, Jason Douglas; Bommanakatte, Harish; Giglio, Anthony Louis; Perry, II, Jacob Charles, Turbine bucket having serpentine core.
  42. Herzlinger, Jason Douglas; Bommanakatte, Harish; Giglio, Anthony Louis, Turbine bucket including cooling passage with turn.
  43. Smith, Paul Kendall; Bommanakatte, Harish; Giglio, Anthony Louis; Herzlinger, Jason Douglas; Perry, II, Jacob Charles; Stein, Alexander, Turbine bucket with endwall contour and airfoil profile.
  44. Pesteil, Agnes; Perrot, Vincent, Turbine engine blade having improved stacking law.
  45. Smith, Paul Kendall; Siden, Gunnar Leif; Bielek, Craig Allen; Vandeputte, Thomas William, Turbine of a turbomachine.
  46. Stein, Alexander; Boyer, Bradley Taylor, Turbine of a turbomachine.
  47. Harvey,Neil Wiliam, Turbine rotor blade for gas turbine engine.
  48. Heitland,Gregory B.; Vogiatzis,Costas, Turbine rotor hub contour.
  49. Erwan Daniel Botrel FR; Christophe Germain Brisset FR; Bertrand Petot FR, Turbine vane with enhanced profile.
  50. Stein, Alexander; Boyer, Bradley Taylor; Pierre, Sylvain, Turbomachine blade including a squeeler pocket.
  51. Penny, Christopher Michael; Gustafson, Ross James, Turbomachine blade with tip flare.
  52. Hannam, Steve; Jenkinson, Paul; Padley, Paul; Walker, Paul Mathew, Vane segment for a gas turbine coated with a MCrAlY coating and TBC patches.
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