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특허 상세정보

Gas turbine engine systems involving hydrostatic face seals with integrated back-up seals

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F01D-011/02   
미국특허분류(USC) 415/168.2; 415/171.1; 415/174.4; 415/174.5
출원번호 US-0841124 (2007-08-20)
등록번호 US-8105021 (2012-01-31)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Kinney & Lange, P.A.
인용정보 피인용 횟수 : 6  인용 특허 : 15
초록

Gas turbine engine systems involving hydrostatic face seals with integrated back-up seals are provided. In this regard, a representative seal assembly for a gas turbine engine includes: a stator assembly and a rotor assembly configured to operatively engage each other to form a first seal and a second seal; the first seal being provided by a hydrostatic seal having a seal face and a seal runner; and the second seal being provided by a back-up seal such that responsive to a failure of the first seal, the back-up seal maintains at least a portion of a pres...

대표
청구항

1. A seal assembly for a gas turbine engine comprising: a stator assembly and a rotor assembly configured to operatively engage each other to form a first seal and a labyrinth seal;the stator assembly including a carrier and an arm which is disposed opposite the carrier, together the arm and the carrier capture a piston ring therebetween;the first seal being provided by a hydrostatic seal having a seal face and a seal runner, the carrier mounting the seal face on a first face of the carrier, the carrier mounting a land of the labyrinth seal on a second f...

이 특허에 인용된 특허 (15)

  1. Slayton Richard M. (South Windsor CT). Anti-weepage valve for rotating seals. USP1983094406460.
  2. Brauer, John C.; Albers, Robert J.. Aspirating face seal with axially biasing one piece annular spring. USP2004076758477.
  3. Brauer, John C.; Glynn, Christopher C.; Albers, Robert J.. Aspirating face seal with axially extending seal teeth. USP2004016676369.
  4. Burcham Robert E.. Combination static lift-off face contact seal and floating ring shaft seal. USP2001116311983.
  5. Picard Harrison R. (Granby CT). Face seal means with back-up seal. USP1984104477088.
  6. Lahrman Kenneth A. (Maineville OH). Fluid bearing face seal for gas turbine engines. USP1992125174584.
  7. Pope Adam N. (Cincinnati OH). Gas bearing sealing means. USP1994025284347.
  8. Pope Adam N. (Cincinnati OH). High pressure seal. USP1990044916892.
  9. Labb?,Michel; Gekht,Eugene. Integrated labyrinth and carbon seal. USP2007027175388.
  10. Suciu Gabriel L. (Glastonbury CT). Low profile bearing support structure. USP1987084687346.
  11. Izhak Etsion IL. Lubricated seals having micropores. USP2002016341782.
  12. Pope Adam Nelson. Radial flow seals for rotating shafts which deliberately induce turbulent flow along the seal gap. USP2000116145840.
  13. Turner ; Albert Harold. Rotary seal with pressurized air directed at fluid approaching the seal. USP1978084103899.
  14. Kimura Yoshikazu (Fujisawa JPX) Teuboi Hideo (Tokyo JPX). Spiral groove face seal. USP1993015180173.
  15. Holder Mark C. (Mohnton PA). Stationary seal ring assembly for use in dry gas face seal assemblies. USP1992085137284.