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Swirl control labyrinth seal 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F01D-011/02
출원번호 US-0667768 (1991-03-11)
발명자 / 주소
  • Maier Martin D. (Olean NY) Osborne Colin (Norwich VT)
출원인 / 주소
  • Dresser-Rand Company (Corning NY 02)
인용정보 피인용 횟수 : 48  인용 특허 : 0

초록

A labyrinth seal which reduces the inlet swirl and circumferential flow of fluid within the sealing cavity of a rotating shaft system in order to eliminate the destabilizing influence of the labyrinth seal, has a plurality of primary flow bypass passageways which extend from the high pressure face o

대표청구항

An apparatus comprising a housing, a rotatable shaft positioned in said housing, a low pressure chamber in said housing for containing a fluid at a low pressure, a high pressure chamber in said housing for containing said fluid at a high pressure, said rotatable shaft constituting a rotatable elemen

이 특허를 인용한 특허 (48)

  1. Maier, William C., Access cover for pressurized connector spool.
  2. Childs, Dara W., Annular seals for non-contact sealing of fluids in turbomachinery.
  3. Berdichevsky, Alexander, Bi-directional pattern for dynamic seals.
  4. Berdichevsky,Alexander, Bi-directional pattern for dynamic seals.
  5. Lardy, Pascal; Kidd, H. Allan; Maier, William C., Combination of expansion and cooling to enhance separation.
  6. Kidd, H. Allan; Maier, William C.; Chochua, Gocha, Compressor assembly including separator and ejector pump.
  7. Maier, William C., Compressor mounting system.
  8. Maier, William C., Compressor mounting system.
  9. Majot, Kevin M.; Rohrs, Charles A., Coupling guard system.
  10. Maier, William C.; Chochua, Gocha, Density-based compact separator.
  11. Keller, Wilhelm A., Dispensing device with a spray assembly.
  12. Delmotte, Scott J.; Vine, Jon T.; O'Leary, Thomas D., Drainage system for compressor separators.
  13. Maier, William C., Dual body drum for rotary separators.
  14. Berdichevsky, Alexander, Dynamic lay down lip seal with bidirectional pumping feature.
  15. Kumar, Jay; Kidd, H. Allan; Maier, William, Enhanced in-line rotary separator.
  16. Maier, William C., Fluid channeling device for back-to-back compressors.
  17. Maier, William C.; Chochua, Gocha T., Fluid deflector for fluid separator devices.
  18. Kawajiri, Hideyuki; Nakagawa, Naritoshi, Fluid machine.
  19. Maier, William C., Flush-enabled controlled flow drain.
  20. Maier, William C., High pressure casing access cover.
  21. King, James; Welch, Jr., Edward Wayne, Labyrinth lock seal for hydrostatically set packer.
  22. Burgess Raymond W., Labyrinth seal assembly and method.
  23. Stefanis, Vasileios; Georgakis, Christos, Labyrinth seal for turbines.
  24. Ingistov, Steve, Method and apparatus for reducing contamination in an axial compressor.
  25. Bordne, Christopher Mark; Anstead, Duane Howard; Luz, James John, Mitigating vortex pumping effect upstream of oil seal.
  26. Alajbegovic, Vahidin, Multi-directional shaft seal.
  27. Kidd, H. Allan; Maier, William C., Multiple modular in-line rotary separator bundle.
  28. Lardy, Pascal; Kidd, H. Allan; Maier, William C., Radial vane pack for rotary separators.
  29. Di Salle David A. ; Proctor Robert ; Brill Edward P. ; Ross Steven A. ; Albers Robert J. ; Brauer John C. ; Brainch Gulcharan S. ; Lenahan Dean T., Reduced windage high pressure turbine forward outer seal.
  30. Maier, William C., Rotary separator drum seal.
  31. Eelman, Rob, Seal assembly.
  32. Berdichevsky, Alexander, Seal with controllable pump rate.
  33. London, John A.; Scavuzzo, Robert; Berdichevsky, Alexander, Seal with spiral grooves and contamination entrapment dams.
  34. Donovan, Sean; London, John A.; Scavuzzo, Robert, Seal with spiral grooves and mid-lip band.
  35. Seaton, Jonathan David, Sealing segment.
  36. Fuller, Bruce E., Segmented labyrinth seal assembly and method.
  37. Vollmer Angela (Dortmund DEX) Meyer Joachim (Hannover DEX), Self-draining shaft seal with wedge-shaped trough.
  38. Maier, William C., Separator drum and compressor impeller assembly.
  39. Maier, William C.; Chochua, Gocha, Separator fluid collector and method.
  40. Maier, William C.; Miller, Harry F., Shear ring casing coupler device.
  41. Maier, William C.; Griffin, Daniel J., Slidable cover for casing access port.
  42. Maier, William C., Static fluid separator device.
  43. Venkataraman, Balaji; Moulton, David Howard; Cave, Michael James, Swirl brakes for compressors with teeth-on-rotor seals.
  44. Bodell, II,Mark Robinson; Stabley,Robert Edward; Miller,Wanda Jean, System and method for stability control in a centrifugal compressor.
  45. Vannini, Giuseppe; Naldi, Lorenzo, Systems and methods for swirl brake tapering.
  46. Oda, Kentarou; Sakuma, Nobuyoshi, Turbo compressor and turbo refrigerating machine.
  47. Zheng, Xiaoqing; Jewett, Jason Winfred; Miller, Jr., Richard James, Turbomachine having swirl-inhibiting seal.
  48. Bordne, Christopher Mark; Anstead, Duane Howard; Luz, James John, Wide discourager tooth.
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