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특허 상세정보

Contaminant-deflector labyrinth seal and method of operation

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F04D-027/02   
미국특허분류(USC) 415/001; 415/113; 415/174.5; 415/230
출원번호 US-0114554 (2008-05-02)
등록번호 US-8177475 (2012-05-15)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Shimokaji & Assoc., PC
인용정보 피인용 횟수 : 3  인용 특허 : 15
초록

A seal assembly for deflecting contaminated fluid flowing through the seal assembly from an upstream space to a downstream space includes an annular housing, at least one vent hole peripherally disposed on the annular housing, a first set of seals disposed within the annular housing adjacent to the downstream space, the first set of seals having an inclined surface to deflect the flow of contaminated fluid through the at least one vent hole, and a second set of seals mounted on the shaft, disposed within the annular housing, adjacent to the first set of ...

대표
청구항

1. A sealing apparatus for routing a contaminated fluid flowing from an upstream space to a downstream space, the sealing apparatus comprising: an annular housing;at least one housing vent hole peripherally disposed in the annular housing; anda labyrinth seal device positioned in the annular housing, the labyrinth seal device having first and second sets of seals and having a purge annulus disposed between the first and second sets of seals,the first set of seals having an inclined deflector face,the purge annulus having a plurality of seal-device vent h...

이 특허에 인용된 특허 (15)

  1. Dziorny Paul J. (Manchester CT) McAuliffe Christopher (Windsor CT). Air cycle machine alignment. USP1992095142762.
  2. Masanao Ando JP; Osamu Satoh JP; Shoji Uryu JP; Koichi Ohara JP. Air cycle machine and air conditioning system using the same. USP2002086427471.
  3. Army ; Jr. Donald E. (Springfield MA) McAuliffe Christopher (Windsor CT) Crabtree William C. (Tariffville CT). Air cycle machine and fan inlet/diffuser therefor. USP1992075133194.
  4. Dziorny Paul J. (132 Strawberry La. Manchester CT 06040) McAuliffe Christopher (18 Kellogg St. Windsor CT 06095). Air cycle machine with interstage venting. USP1993075224842.
  5. Andres Michael (Rockford IL) Coons Terry L. (Dayton OH). Air cycle machine with magnetic bearings. USP1994055310311.
  6. Merritt Brent J. ; Wytas ; Jr. Clarence J.. Bearing arrangement for air cycle machine. USP1999075921683.
  7. McAuliffe Christopher (Windsor CT) Dziorny Paul J. (Manchester CT). Bearing cooling arrangement for air cycle machine. USP1992055113670.
  8. Thomson Mark W. (Ventura CA) Matulich Dan S. (Rolling Hills Estates CA). ECS with advanced air cycle machine. USP1991055014518.
  9. Defrancesco Gregory L. (Simsbury CT). Filtered environmental control system. USP1988094769051.
  10. Teets, Joseph Michael; Teets, Jon William. Hybrid microturbine for generating electricity. USP2009087574867.
  11. Goss, James D.; Moharos, Jozsef L.; Nunez, Dean J.. Inter-fluid seal assembly and method therefor. USP2005126976679.
  12. Richards Robert L. (Dickinson TX). Labyrinth seal. USP1992025085443.
  13. Rosso, Sergio; Morra, Giorgio. Pump for liquids, in particular, a centrifugal pump for electric household appliances. USP2004026695576.
  14. Eberle Frederick ; Pizzichil William P. ; Thompson Dennis. Shaft assembly having improved seal arrangement. USP2001096290234.
  15. Glaser Jerry (Playa del Rey CA) Bescoby Frank A. (Rancho Palos Verdes CA). Thermal isolation system for turbochargers and like machines. USP1988114786238.