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Variable clearance seal assembly 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F16J-015/48
  • F01D-005/20
출원번호 US-0425676 (1995-04-18)
발명자 / 주소
  • Sanders William P. (188 Howland Ave. Toronto
  • Ontario CAX M5R 3B6 )
인용정보 피인용 횟수 : 45  인용 특허 : 0

초록

This invention relates to an improved variable clearance, segmented seal ring assembly for preventing fluid flow between a stationary casing and a rotating shaft in a fluid dynamic system. The casing has a cavity for receiving and holding a portion of a seal ring segment. In the cavity, a helical sp

대표청구항

A seal assembly for preventing fluid flow between stationary and moving members in a fluid dynamic system, the assembly comprising: a sealing assembly between said stationary and moving members; a first means for biasing said sealing element away from said stationary member, said first means includi

이 특허를 인용한 특허 (45)

  1. Awtar, Shorya; Kemp, Timothy R.; Laurer, Kurt N.; Baily, Frederick G., Active retractable seal for turbo machinery and related method.
  2. Turnquist,Norman Arnold; Fang,Biao; Dinc,Osman Saim; Sarshar,Hamid Reza; Demiroglu,Mehmet; Burnett,Mark Edward; Baily,Frederick George; Aksit,Mahmut Faruk; Safi,Ahmad; Larsen,Richard Robert, Active seal assembly.
  3. Dinc, Osman Saim; Turnquist, Norman Arnold; Demiroglu, Mehmet; Sarshar, Hamid Reza; Safi, Ahmad; Aksit, Mahmut Faruk; Johnson, Roger Neal; Furman, Anthony Holmes; Imam, Imdad; Kliman, Gerald Burt; Ho, Actuated brush seal.
  4. Dinc, Osman Saim; Demiroglu, Mehmet; Sarshar, Hamid Reza; Gladen, Paul; Hochhalter, Keith, Actuating mechanism for a turbine and method of retrofitting.
  5. Sarshar, Hamid Reza; Turnquist, Norman Arnold; Fang, Biao, Actuating seal for a rotary machine and method of retrofitting.
  6. Mahmut Faruk Aksit ; Osman Saim Dinc ; Raymond Edward Chupp ; Ming Zhou, Brush seal with positive adjustable clearance control.
  7. Addis Mark E. ; Dalton Willaim S., Brush-seal designs for elastic fluid turbines.
  8. Thomas, David J.; Lamusga, Joseph P.; Freeman, Ted J.; Lazur, Andrew J., Compliant rail hanger.
  9. Ghasripoor,Farshad; Awtar,Shorya; Turnquist,Norman Arnold; Fang,Biao; Flecker, III,Carl Anthony; Stegmaier,James William; Nichols,Glenn Herbert; Przytulski,James Charles; Brink,Kurt Grover; Lykins,Ri, Compliant seal and system and method thereof.
  10. Petty, Dale William, Fan blade tip clearance control via Z-bands.
  11. Ernst Hermann H. F., Fluid ring seal system and method.
  12. Garrison, Glenn M., Intershaft seal with asymmetric sealing ring.
  13. Zhang, Jiping; Pilapil, Patrick M.; Yin, Yan; Kovac, Joshua D., Interstage seal housing optimization system in a gas turbine engine.
  14. Deo, Hrishikesh Vishvas; Roy, Binayak, Method and apparatus for labyrinth seal packing ring.
  15. Deo, Hrishikesh Vishvas; Roy, Binayak, Method and apparatus for labyrinth seal packing rings.
  16. Chevrette, Richard; Baily, Frederick G., Method and apparatus for variable clearance packing.
  17. Laurer, Kurt Neal; Barh, Kevin Joseph; Couture, Bernard Arthur; Mortzheim, Jason Paul, Methods and apparatus to facilitate sealing in a turbine.
  18. Dinc Osman Saim ; Turnquist Norman Arnold ; Cromer Robert Harold ; Reluzco George Ernest ; Wolfe Christopher Edward, Positive biased packing ring brush seal combination.
  19. McCaffrey, Michael G., Radial position control of case supported structure.
  20. Ekanayake, Sanji; Scipio, Alston Ilford; Goetze, Raymond Henry; King, Peter Samuel; Warwick, Douglas Corbin, Replaceable seals for turbine engine components and methods for installing the same.
  21. Brandon Ronald Earl ; Brandon David Earl, Retractable segmented packing ring for fluid turbines having gravity springs to neutralize packing segment weight forces.
  22. Brandon Ronald Earl ; Brandon David Earl, Retractable segmented packing rings for fluid turbines.
  23. Ghasripoor, Farshad; Turnquist, Norman Arnold; Courture, Bernard Arthur; Korzun, Ronald Wayne, Rotary machine sealing assembly.
  24. Seaton, Jonathan David, Seal.
  25. Webster,John R, Seal apparatus.
  26. Paprotna, Hubertus Edward, Seal assembly for a rotary machine.
  27. Cargill, Edward James, Seal assembly for limiting movement of a seal within a seal housing.
  28. Cargill, Edward James, Seal assembly for limiting the movement of a seal within a seal housing.
  29. Fang, Biao; Turnquist, Norman Arnold; Sarshar, Hamid Reza; Aksit, Mahmut Faruk; Burnett, Mark Edward; Baily, Frederick George; Demiroglu, Mehmet, Seal carrier for a rotary machine and method of retrofitting.
  30. Nakano, Takashi; Nishimoto, Shin; Uehara, Hidekazu, Seal structure for rotary machine.
  31. Laurello, Vincent; Yuri, Masanori, Seal structure, turbine having the same, and leak-preventing seal system for rotating shaft.
  32. Narita, Kenjiro; Yamazaki, Haruyuki; Kudo, Takeshi; Murata, Kenichi, Sealing device for steam turbines and method for controlling sealing device.
  33. Seaton, Jonathan David, Sealing segment.
  34. Vasagar, Thurai Manik, Segmented intershaft seal assembly.
  35. Waggott John, Self-aligning sealing assembly for a rotating shaft.
  36. Uehara, Hidekazu; Shinohara, Tanehiro; Akagi, Kouichi; Yuri, Masanori; Nakano, Takashi; Nishimoto, Shin, Shaft seal structure and turbine.
  37. Turnquist, Norman Arnold; Awtar, Shorya nmn; Gursoy, Mustafa; Varadarajan, Kartik Mangudi, Spring system designs for active and passive retractable seals.
  38. Zheng, Xiaoqing; Farineau, Thomas Joseph; Eldrid, Sacheverel Quentin; Bowers, Jason L., Steam turbine and methods of assembling the same.
  39. Klingler, Brett Darrick, Turbine assembly and method for supporting turbine components.
  40. Lim, Chan-sun, Turbine seal assembly and turbine apparatus comprising the turbine seal assembly.
  41. Klingler, Brett Darrick, Turbine sealing system.
  42. O'Leary, Mark, Turbine shroud with biased blade track.
  43. Harper, Cedric B, Turbomachine casing assembly.
  44. Feeny, Sean Douglas, Variable clearance packing ring.
  45. Chevrette, Richard Jon, Variable clearance packing ring arrangement.
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