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특허 상세정보

Hydrodynamic fluid film bearing

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F16C-032/06   
미국특허분류(USC) 384/106 ; 384/103
출원번호 US-0633898 (1996-04-17)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 46  인용 특허 : 0
초록

A hydrodynamic fluid film bearing has a stationary retaining member (12) having a cylindrical opening (14) to receive for rotation therein a rotatable shaft (16). The inner surface (20) of the opening (14) is lined by a generally cylindrical-shaped foil assembly (18) comprised of a plurality of foil sub-assemblies (24) each comprised of spring foils (26), contact foils (30) and, optionally, inner foils (32). Each foil sub-assembly (24) subtends a rotational segment, less than all, of the inner surface (20), e.g., from about 45 degrees to 120 degrees of r...

대표
청구항

A hydrodynamic fluid film bearing comprising: a retaining member having an inner surface which defines a shaft opening within which a rotatable shaft is receivable for rotation; and a foil assembly affixed to and lining the inner surface and comprising a plurality of foil sub-assemblies, the foil sub-assemblies each subtending a rotational segment, less than all, of the inner surface and comprising (i) compliant flat contact foils sandwiched between (ii) spring foils disposed radially outwardly of their associated contact foils and (iii) compliant flat i...

이 특허를 인용한 특허 피인용횟수: 46

  1. Kim, Daejong. Air foil bearings having multiple pads. USP20181210161442.
  2. Kim,Sang Wook; Chang,Phil Soo; Choi,Ji Hoon. Bearing and turbo compressor comprising the same. USP2008047364363.
  3. Merritt Brent J. ; Wytas ; Jr. Clarence J.. Bearing arrangement for air cycle machine. USP1999075921683.
  4. Rosen, Seth E.; Struziak, Ronald M.. Bearing sleeve. USP2014128920032.
  5. Rosen, Seth E.; Struziak, Ronald M.. Bearing sleeve. USP2015018926182.
  6. Thompson, Glenn F.; Mackey, Mark; Sontag, John; Mason, John; Johnson, Rick; Guidry, Mike; Beresewicz, Patrick; Hurley, Keith Alan; Saville, Marshall. Bearing sleeve for air bearing. USP2016069360042.
  7. Weissert,Dennis H.. Compliant foil fluid film radial bearing. USP200607RE39190.
  8. Klusman, Steven Arlen; Light, Preston Earl. Compliant spherical bearing mount. USP2012068202003.
  9. Mitsuo Matsushima JP. Fluid bearing having a foil assembly. USP2002096450688.
  10. Ishii, Ichiro; Matsushima, Mitsuo. Foil bearing. USP2009057530742.
  11. Ishii,Ichiro; Matsushima,Mitsuo. Foil bearing. USP2008087413346.
  12. Nelson, Alexander R.; Buckley, Charles W.; Agrawal, Giridhari L.. Foil bearing supported motor with adjustable thrust bearing cap. USP20180610008899.
  13. Nelson, Alexander R.; Buckley, Charles W.; Agrawal, Giridhari L.. Foil bearing supported motor with housingless stator. USP20180610008898.
  14. McAuliffe, Christopher; Santiago, Anthony. Foil bearing with trailing edge key. USP2017059644670.
  15. Yoshino, Masato; Fujiwara, Hiroki. Foil bearing, and foil bearing unit and turbo machine each having same. USP20180710012109.
  16. Akizuki, Yukio; Matsui, Akihiko; Makino, Takero. Foil gas bearing. USP2004036698930.
  17. Agrawal, Giridhari L.; Buckley, Charles William; Shakil, Ali. Foil gas bearing supported high temperature centrifugal blower and method for cooling thereof. USP2012078215928.
  18. Heshmat, Hooshang. Foil journal bearing applicable to high speed machining center. USP2015109151322.
  19. Ermilov Yuri I.,RUX ; Ravikovich Yuri A.,RUX. Gas dynamic foil bearing. USP2001076261002.
  20. Heshmat Hooshang. High load capacity compliant foil hydrodynamic journal bearing. USP2000126158893.
  21. Saville, Marshall; Hurley, Keith Alan. High strength foil journal bearing retainer. USP2018069989085.
  22. Saville, Marshall; Hurley, Keith Alan. High strength foil journal bearing retainer. USP2017019556899.
  23. Saville, Marshall; Hurley, Keith Alan. High strength foil journal bearing retainer. USP2015069057401.
  24. Struziak, Ronald; McAuliffe, Christopher; Merritt, Brent; Rosen, Seth. Hydrodynamic bearing. USP2015038967866.
  25. Agrawal,Giridhari L.. Hydrodynamic fluid film bearing having a key-less foil. USP2006077070330.
  26. Agrawal,Giridhari L.; Patel,Kirtikumar H.; Munson,John H.. Hydrodynamic foil face seal. USP2007087261300.
  27. Kang, Sun Goo; Saville, Marshall; Hurley, Keith A.. Hydrodynamic journal bearing. USP2009067553086.
  28. Kang, Sun Goo; Saville, Marshall. Hydrodynamic journal foil bearing system. USP2005116964522.
  29. Struziak, Ronald M.. Journal air bearing for small shaft diameters. USP2014088807921.
  30. Agrawal, Giridhari L.; Buckley, Charles W.; Rajendran, Muthusamy. Mechanically-coupled turbomachinery configurations and cooling methods for hermetically-sealed high-temperature operation. USP2018049951784.
  31. Pettinato, Brian C.; De Choudhury, Pranabesh. Method of positioning a bearing assembly and centering support structure therefor. USP2014058726503.
  32. El-Shafei, Aly. Methods of controlling the instability in fluid film bearings. USP2010117836601.
  33. Ryu, Keun. Oil-free turbocharger bearing assembly having conical shaft supported on compliant gas bearings. USP2016079394941.
  34. Agrawal, Giridhari L.; Buckley, Charles W.; Knechel, Jared. Oil-free water vapor blower. USP20180610006465.
  35. Lee,Heon Seok. Radial foil bearing. USP2009027494282.
  36. Omori, Naomichi. Radial foil bearing. USP2015129206840.
  37. Omori, Naomichi. Radial foil bearing. USP2016069366286.
  38. Omori, Naomichi. Radial foil bearing. USP2017029568042.
  39. Omori, Naomichi. Radial foil bearing. USP2014098845193.
  40. Omori, Naomichi. Radial foil bearing. USP2017019551375.
  41. Agrawal, Giridhari L.; Accomazzo, Thomas A.; Brophy, Michael. Restrained, reverse multi-pad bearing assembly. USP2011108029194.
  42. Meacham, Walter Lee; Saville, Marshall; Margolis, Alan. Rotor support structures including anisotropic foil bearings or anisotropic bearing housings and methods for controlling non-synchronous vibrations of rotating machinery using the same. USP2015089109622.
  43. Yoshino, Masato. Thrust foil bearing. USP2015059033579.
  44. Spathias, Adonis Kosta; Hurley, Keith Alan; Olson, Hokuto. Turbo compressor/journal foil bearings with axial retainers. USP2013028371799.
  45. Thompson, Robert G.. Turbocharged auxiliary power unit with controlled high speed spool. USP2004056735951.
  46. Agrawal, Giridhari L.; Buckley, Charles W.; Shakil, Ali; Coward, Andrew Hamilton. Ultra high pressure turbomachine for waste heat recovery. USP2016109476428.