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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Seal assembly and rotary machine containing such seal

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F01D-011/02    F01D-011/00    F16J-015/44    F16J-015/447   
미국특허분류(USC) 277/355; 277/303
출원번호 UP-0624338 (2003-07-22)
등록번호 US-7578509 (2009-09-08)
발명자 / 주소
  • Grondahl, Clayton M.
출원인 / 주소
  • CMG Tech, LLC
대리인 / 주소
    Hoffman Warnick LLC
인용정보 피인용 횟수 : 14  인용 특허 : 66
초록
▼

A seal assembly which, among other applications, may be used for sealing fluid leakage between a steam or combustion (gas) turbine rotor and a turbine stator body. The seal assembly includes elements having a plurality of spaced leaf seal members with slots therebetween. Each leaf seal member is angled out-of-plane between a fixed end and a free end thereof, and the free ends slidably engage the rotatable component. In one embodiment, the fixed ends of each leaf seal member are positioned substantially perpendicular to a longitudinal axis of the rotatin...

대표
청구항
▼

What is claimed is: 1. A seal assembly for sealing against a rotatable component having a longitudinal axis, the seal assembly comprising: a leaf seal including a plurality of staggered leaf seal members, each leaf seal member including: a free portion arranged at an acute angle relative to the longitudinal axis of the rotatable component, and a fixed portion that is angled relative to the free portion; and a support having a substantially frusto-conically shaped support portion facing a high pressure side of the leaf seal for supporting the free portio...

이 특허에 인용된 특허 (66)

  1. Veau Albert (Combs La Ville FRX), Annular brush gasket.
  2. Turnquist Norman Arnold ; Wolfe Christopher Edward ; Dinc Osman Saim, Anti-hysteresis brush seal.
  3. Wolfe Christopher Edward ; O'Connor Martin Francis ; Demiroglu Mehmet ; Rentz Lawrence Edward ; Baily Frederick George, Apparatus for guiding solid particles through a brush seal in a turbine.
  4. Bouchard Joseph P., Axial brush seal for gas turbine engines.
  5. Reeves Richard L. (Homeland CA) Woodland Dennis (Corona CA), Bi-directional flexible seal.
  6. Holowach Joseph (Cincinnati OH) Lee George D. (West Palm Beach FL), Bimetallic air seal for exhaust nozzles.
  7. Beeck Alexander,DEX, Brush gasket.
  8. James Fellenstein ; Sean P. McCutchan ; James Hyland ; Keven G. Van Duyn, Brush seal.
  9. Mayr Alfred,DEX, Brush seal.
  10. Morrison Michael K.,GB3 ; Withers Peter A.,GB3 ; Jones Terence V.,GB3 ; Wood Peter E.,GB3, Brush seal.
  11. Morrison Michael K.,GBX ; Withers Peter A.,GBX ; Jones Terence V.,GBX ; Wood Peter E.,GBX, Brush seal.
  12. Tseng Wu-Yang (West Chester OH) Bristol Brent L. (Milford OH) Hetico Rolf R. (Cincinnati OH) Glynn Christopher C. (Hamilton OH), Brush seal.
  13. Bridges Stuart A. (Bristol GB2), Brush seal and a method of manufacture.
  14. Kemsley Nicholas J,GBX, Brush seal and method for the manufacture of a brush seal.
  15. Zhou Ming, Brush seal and rotary machine containing such brush seal.
  16. Gail Alfons,DEX ; Werner Klemens,DEX, Brush seal between a rotor and a stator in a turbine machine.
  17. Kono, Toru, Brush seal device.
  18. Basu Prithwish (Pawtucket RI), Brush seal device having a recessed back plate.
  19. Crudgington, Peter Francis, Brush seal element.
  20. Wolfe Christopher Edward ; Turnquist Norman Arnold ; Bagepalli Bharat Sampathkumar, Brush seal for high-pressure rotor applications.
  21. Hoffelner Herbert (Markt-Indersdorf DEX), Brush seal for turbo-engines.
  22. Wolfe Christopher Edward ; Bagepalli Bharat Sampathkumar ; Turnquist Norman Arnold ; Cromer Robert Harold ; Lee Minyoung, Brush seal for use on rough rotating surfaces.
  23. Hofner Hermann,DEX ; Mayr Alfred,DEX, Brush seal secured by a C-shaped clamping ring.
  24. Turnquist Norman Arnold ; Dinc Osman Saim ; Reluzco George Ernest ; Cromer Robert Harold ; Skinner David Robert ; Wolfe Christopher Edward, Brush seal segment.
  25. Basu Prithwish ; Short John F., Brush seal with a flexible front plate.
  26. Flower Ralph F. J. (Devizes GB2), Brush seals.
  27. Bagepalli Bharat S. ; Chiu R. Paul ; Cromer Robert Harold ; Crum Gregory Allan ; Dinc Osman Saim,TRX ; Furman Anthony Holmes ; Marks Paul Thomas ; Markytan Rudolf Matthias ; Skinner David Robert ; Tu, Brush seals and combined labyrinth and brush seals for rotary machines.
  28. Cromer Robert Harold ; Turnquist Norman Arnold, Brush seals and combined labyrinth and brush seals for rotary machines.
  29. Alfons Gail DE; Stefan Beichl DE; Werner Klemens DE, Brush seals with bristles arranged at an angle.
  30. Reisinger Lothar (Dachau DEX) Hagg Dieter (Karlsfeld DEX) Wenzl Werner (Munich DEX) Walther Klaus (Munich DEX), Brush-type seal.
  31. Cromer Robert Harold ; Bagepalli Bharat S. ; Turnquist Norman Arnold ; Wolfe Christopher Edward, Combined brush/labyrinth seal for rotary machines.
  32. Turnquist Norman Arnold ; Cromer Robert Harold ; Placek Ronald John ; Skinner David Robert ; Wolfe Christopher Edward, Combined labyrinth and brush seals for rotary machines.
  33. Turnquist Norman Arnold ; Cromer Robert Harold ; Placek Ronald John ; Skinner David Robert ; Wolfe Christopher Edward, Combined labyrinth and brush seals for rotary machines.
  34. Gardner James F. (Exeter RI), Compliant finer seal.
  35. Atkinson Edward (Morrow OH) Bristol Brent L. (Milford OH), Constant pressure drop multiple stage brush seal.
  36. Corsmeier Donald M. (Cincinnati OH) Browning Stephen G. (Syracuse NY), Cooled leaf seal.
  37. Honeycutt ; Jr. Fred L. (Lake Park FL) Middleton Robert G. (Palm Beach Gardens FL), Finger seal assembly.
  38. Spain Raymond G. (Farmington Hills MI) Bailey Carlos (Farmington Hills MI), Fluid seal structure.
  39. Steinetz Bruce M. (Broadview Heights OH) Sirocky Paul J. (Middleburg Heights OH), High temperature, flexible pressure-actuated, brush seal.
  40. Braun Minel J. ; Choy Fred K., Hybrid floating brush seal.
  41. Bagepalli Bharat S. ; Cromer Robert H. ; Dinc Osman S. ; Maynard James, Hybrid labyrinth and cloth-brush seals for turbine applications.
  42. Dinc Osman S. ; Maynard James ; Bagepalli Bharat S. ; Cromer Robert H., Hybrid labyrinth and cloth-brush seals for turbine applications.
  43. Bagepalli Bharat Sampathkumaran ; Turnquist Norman Arnold ; Skinner David Robert, Hybrid seal and rotary machine containing such hybrid seal.
  44. Mackay Charles G. (Scottsdale AZ) Wright E. Scott (Mesa AZ), Laminated finger seal.
  45. Mackay Charles G. (Scottsdale AZ) Wright E. Scott (Mesa AZ), Laminated finger seal.
  46. Johnson Mark C. (Phoenix AZ) Medlin Eric G. (Tempe AZ), Laminated finger seal with logarithmic curvature.
  47. Bouchard Joseph P. (Arundel ME) Long Merrell W. (North Waterboro ME), Method and apparatus for improving the airsealing effectiveness in a turbine engine.
  48. Bouchard Joseph P. ; Long Merrell W., Method and apparatus for improving the airsealing effectiveness in a turbine engine.
  49. Flower Ralph F. J. (“Littledean” ; Bath Rd. Devizes GB2), Method of manufacturing brush seals.
  50. Vance John M. ; Shultz Richard R., Modulated pressure damper seals.
  51. Kelch George W. (Palm Beach Gardens FL) Shade John L. (Jupiter FL), Multi-layered brush seal.
  52. Arora Gulshan K., Noncontacting finger seal with hydrodynamic foot portion.
  53. Cromer Robert Harold ; Turnquist Norman Arnold ; Wolfe Christopher Edward ; Bagepalli Bharat S., Positive pressure-actuated brush seal.
  54. Mayr Alfred,DEX ; Hagg Dieter,DEX, Process and arrangement for manufacturing brush-type seals.
  55. Jackman Anthony V. (Indianapolis IN), Regenerator cross arm seal assembly.
  56. Wright Christopher,GBX, Resilient strip seal arrangement.
  57. Smith William E. (Lake Park FL) Nelson Roy G. (Lake Park FL), Resiliently coated metallic finger seals.
  58. Webster John R,GBX ; Knott David S,GBX, Seal arrangement.
  59. Dinc Osman Saim ; Turnquist Norman Arnold ; Reluzco George Ernest ; Willey Lawrence Donald ; Wolfe Christopher Edward, Seal assembly and rotary machine containing such seal.
  60. Buckshaw Dennis J. (42240 Crestview Northville MI 48167) Clark James A. (7309 Manner Cir. ; #202 Westland MI 48185), Seal assembly for rotating shaft.
  61. Hagle Michael P. (Mason OH), Seal assembly for segmented turbine engine structures.
  62. Reluzco George Ernest ; Woodmansee Donald Ernest ; Dinc Osman Saim ; Turnquist Norman Arnold ; Wolfe Christopher Edward, Self-centering brush seal.
  63. Carter Bruce A., Shingle damper brush seal.
  64. Ono Masaki,JPX, Spring seal device for combustor.
  65. Fujiwara Toshio (Shiki JPX) Sakimoto Junji (Kiyose JPX) Yoshioka Hisaya (Kawaguchi JPX), Tail packing for a slurry pressurized shield.
  66. Bagepalli Bharat S. ; Cromer Robert H. ; Dinc Osman S. ; Maynard James, Woven seals and hybrid cloth-brush seals for turbine applications.

이 특허를 인용한 특허 (14)

  1. King, Robert Dean; Steigerwald, Robert L., Apparatus for energy transfer using converter and method of manufacturing same.
  2. King, Robert Dean; Steigerwald, Robert Louis, Apparatus for energy transfer using converter and method of manufacturing same.
  3. Short, John F., Brush seal front plate and assembly.
  4. Williams, Gregory C, Card seal with conical flexible seal.
  5. Zheng, Xiaoqing; Mack, Michael Dennis; Sarawate, Neelesh Nandkumar; Trivedi, Deepak, Centrifugally activatable seal for a rotary machine and method of assembling same.
  6. Grondahl, Clayton M.; Smith, Richard Lee; Dudley, James Carlton, Film riding pressure actuated leaf seal assembly.
  7. Chen, Wei; Lemon, Donald Timothy; Berkman, Mert Enis; Dicintio, Richard Martin, Hula seal with preferential cooling having spring fingers and/or adjacent slots with different widths.
  8. Samudrala, Omprakash; Kumar, Siddarth; Crum, Gregory A.; Sha, Karimulla Shaik, Retractable seal system.
  9. Gail, Alfons; Gräbeldinger, Wilhelm; Rauschmeier, Alexander, Seal arrangement.
  10. Jadhav, Sanjay Shankar; Ghute, Pradeep Jagannath; Patil, Ajay Gangadhar; Pruthi, Rohit, Seal end attachment.
  11. Otosaka, Tetsuya, Seal member.
  12. Takeuchi, Don; Gibson, Nathan; Hynes, Tina, Sealing apparatus and engines.
  13. Dos Santos, Nelson; Igel, Dominik; Gauthier, Gerard Philippe, Sealing system with annular brush seal.
  14. Zheng, Xiaoqing; Deo, Hrishikesh; Roy, Binayak, Systems, methods, and apparatus for a labyrinth seal.

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