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특허 상세정보

Air cycle machine air bearing shaft

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F01D-005/08   
미국특허분류(USC) 415/104; 415/109; 415/111; 415/115; 415/180; 415/216.1; 415/229; 029/889.1; 029/889.2
출원번호 US-0701819 (2010-02-08)
등록번호 US-8475114 (2013-07-02)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Carlson, Gaskey & Olds, P.C.
인용정보 피인용 횟수 : 9  인용 특허 : 22
초록

An air cycle machine includes a shaft formed from end sections attached to a center section. The center section includes a first diameter that is supported on bearings within the air cycle machine and a second diameter that forms a part of an interface with a corresponding end section. The second diameter is less than the first diameter and extends an axial distance from an end of the center section and provides for the weld beam to be directed normal to the interface location such that weld quality and manufacturing efficiencies are improved.

대표
청구항

1. An air bearing shaft comprising: a center shaft section including an axially facing surface; andan end cap including an axially facing end abutted against and welded to the axially facing surface of the center shaft section, wherein the end cap includes an outer diameter and the center shaft section including a first diameter and a second diameter substantially the same as the outer diameter, the second diameter is disposed at an interface between the axially facing surface of the center shaft section and the axially facing end of the end cap and the ...

이 특허에 인용된 특허 (22)

  1. Beers,Craig; McAuliffe,Christopher; Merritt,Brent. ACM cooling flow path and thrust load design. USP2008077402020.
  2. Murota Kazuya (Ebina JPX) Koyama Takao (Atsugi JPX). Automatic transmission. USP1990084949821.
  3. Merritt Brent J. ; Wytas ; Jr. Clarence J.. Bearing arrangement for air cycle machine. USP1999075921683.
  4. McAuliffe Christopher (Windsor CT) Dziorny Paul J. (Manchester CT). Bearing cooling arrangement for air cycle machine. USP1992055113670.
  5. Yoshikawa Takaya (Aichi JPX) Ishida Noboru (Aichi JPX). Ceramic rotor and metal shaft assembly. USP1992075129784.
  6. Saville,Marshall. Composite shaft. USP2007097267523.
  7. Zywiak, Thomas M.. Dual turbine bootstrap cycle environmental control system. USP2003096615606.
  8. Thomson Mark W. (Ventura CA) Matulich Dan S. (Rolling Hills Estates CA). ECS with advanced air cycle machine. USP1991055014518.
  9. Thomson Mark W. (Ventura CA) Matulich Dan S. (Rolling Hills Estates CA) Emerson Terence P. (Hermosa Beach CA). ECS with advanced air cycle machine. USP1990114967565.
  10. Warner John L. (Simsbury CT). Environmental control system condensing cycle. USP1992025086622.
  11. Coffinberry George A. (West Chester OH). Gas turbine engine powered aircraft environmental control system and boundary layer bleed. USP1992095143329.
  12. Coffinberry George A. (West Chester OH). Gas turbine engine powered aircraft environmental control system and boundary layer bleed with energy recovery system. USP1992065125597.
  13. Kirikami Seiichi (Hitachi JPX) Satoh Tomo (Hitachi JPX) Sato Isao (Hitachi JPX) Gunzi Thutomu (Ibaraki JPX) Iizuka Nobuyuki (Hitachi JPX). Gas turbine engine with cooling of turbine blades. USP1992095144794.
  14. Lui Clarence. Integrated bleed air and engine starting system. USP2001106305156.
  15. Christians Douglas L. ; Drew Diane G. ; Harris Mark L. ; Kline Erin G. ; Zager Michael. Integrated environmental control system. USP1998015704218.
  16. Ito, Masaya; Mori, Seiji; Ishida, Noboru. Junction structure of turbine shaft. USP1985124557704.
  17. Izadi Said ; Elgin Richard L.. Monorotor for a gas turbine engine. USP2001126324831.
  18. Clarence Lui ; Wai-Pak Wong ; Myron Quan. Recirculating regenerative air cycle. USP2002106457318.
  19. Bosley Robert W. ; Miller Ronald F.. Thrust load compensating system for a compliant foil hydrodynamic fluid film thrust bearing. USP1998085791868.
  20. Murray, Stephen E.. Twin spool rotor assembly for a small gas turbine engine. USP2011057942635.
  21. Carter Michael E. ; Crabtree Ronald E. ; Emerson Terrence P. ; Moreno Arturo ; Morris Terry ; Rapozo Raymond ; Saville Marshall. Two spool air cycle machine having concentric shafts. USP2000116151909.
  22. Murry Roger P. ; Clarke Kathrine J. ; Matulich Dan S.. Two spool environmental control system. USP1999035887445.