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특허 상세정보

Seal with stacked sealing elements

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F16J-015/44   
미국특허분류(USC) 277/411; 277/412; 415/1731; 415/231
출원번호 US-0953099 (2007-12-10)
등록번호 US7896352 (2011-02-15)
발명자 / 주소
대리인 / 주소
    GrayRobinson, P.A.
인용정보 피인용 횟수 : 10  인용 특허 : 22
초록

A hybrid seal for sealing the circumferential gap between a first machine component and a second machine component comprises at least one shoe extending along one of the machine components in a position to create a non-contact seal, at least one spring element connected between one of the machine components and the shoe(s) and a stack of sealing elements located within a slot formed in the shoe(s), wherein a primary seal and secondary seal of the circumferential gap is created by the shoe(s) in cooperation with the spring element(s) and sealing elements,...

대표
청구항

What is claimed is: 1. A seal for sealing a circumferential gap between a first machine component and a second machine component which is rotatable relative to the first machine component about a longitudinal axis, comprising:at least one shoe extending along one of said first and second machine components in a position to create a non-contact seal therewith, said at least one shoe being formed with a slot;at least one spring element adapted to be connected to one of the first and second machine components and being connected to said at least one shoe, s...

이 특허에 인용된 특허 (22)

  1. Dinc, Osman Saim; Demiroglu, Mehmet; Sarshar, Hamid Reza; Gladen, Paul; Hochhalter, Keith. Actuating mechanism for a turbine and method of retrofitting. USP2005016840519.
  2. Morrison Michael K.,GB3 ; Withers Peter A.,GB3 ; Jones Terence V.,GB3 ; Wood Peter E.,GB3. Brush seal. USP1998095799952.
  3. Kemsley Nicholas J,GBX. Brush seal and method for the manufacture of a brush seal. USP2000066079714.
  4. Wolfe Christopher Edward ; Turnquist Norman Arnold ; Bagepalli Bharat Sampathkumar. Brush seal for high-pressure rotor applications. USP2000066079945.
  5. Werner Klemens,DEX ; Gail Alfons,DEX ; Beichl Stefan,DEX. Brush seal having bristles tilted in the circumferential direction. USP1999085944320.
  6. Baily Frederick G. ; Rentz Lawrence E. ; Retzlaff Klaus M. ; Turnquist Norman A.. Brush seal mounting in supporting groove using flat spring with bifurcated end. USP2001126331006.
  7. Howe Harold (Orlando FL). Bundle and place method for the manufacture of brush seals. USP1993025183197.
  8. Weidner Robert H. (Glastonbury CT). Coolable seal assembly for a gas turbine engine. USP1987034650394.
  9. Weidner Robert H. (Glastonbury CT). Coolable stator assembly for a rotary machine. USP1987024642024.
  10. Laos, Hector Emilio. Damper assembly for a rotating shaft and methods for dampening shaft vibrations. USP2003056558041.
  11. Schaeffler Arthur (Vierkirchen DEX) Werner Klemens (Munich DEX). Flexible brush-type seal with layered moving sealing surface. USP1986074600202.
  12. Braun Minel J. ; Choy Fred K.. Hybrid floating brush seal. USP1999125997004.
  13. Justak,John F.. Hydrodynamic brush seal. USP2007027182345.
  14. Arora Gulshan K.. Noncontacting finger seal with hydrodynamic foot portion. USP1998055755445.
  15. John F. Justak. Robust hydrodynamic brush seal. USP2002086428009.
  16. Wright Christopher,GBX ; Allen Steven V,GBX ; Saysell Guy,GBX ; Morgan Jonathan J,GBX. Seal. USP2001076254344.
  17. Kalkbrenner Ralph W. (Hempfield Township PA). Seal arrangement for turbine diaphragms and the like. USP1976083975114.
  18. Hoffelner Herbert (Markt Indersdorf DEX). Sealing device for turbo engines and the like. USP1991065026252.
  19. John H. Overberg. Shroud assembly having C-clip retainer. USP2002086435820.
  20. Pellow Terence R. (Watford GB2) Glew Derek A. (Alveston GB2). Support member and a component supported thereby. USP1983104411594.
  21. Stec Philip F. (Medford MA). Trenched brush seal. USP1993015181728.
  22. Imbault Jean-Francois R. (Ponthierry FRX) Mestre Roland R. (Melun FRX) Miraucourt Carmen (Brie Comte Robert FRX) Ritt Rmy P. C. (Vaux le Penil FRX). Turbine rings of gas turbine plant. USP1987064676715.