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Retractable packing ring lower half segment retaining key and method for retaining retractable packing ring lower half segment

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F16J-015/447
  • F16J-015/54
출원번호 US-0057930 (2002-01-29)
발명자 / 주소
  • Chevrette, Richard Jon
  • Skinner, David Robert
  • Kirby, II, George Horner
  • Wolfe, Christopher Edward
출원인 / 주소
  • General Electric Company
대리인 / 주소
    Nixon & Vanderhye PC
인용정보 피인용 횟수 : 12  인용 특허 : 15

초록

A rotary machine has a stationary component with circumferential grooves and a rotatable component, as well as annular packing or sealing ring segments movable toward and away from the rotating component. To prevent circumferential displacement of the lower side packing ring segments by gravity forc

대표청구항

A rotary machine has a stationary component with circumferential grooves and a rotatable component, as well as annular packing or sealing ring segments movable toward and away from the rotating component. To prevent circumferential displacement of the lower side packing ring segments by gravity forc

이 특허에 인용된 특허 (15)

  1. Synfelt Edward G. (Schenectady NY), Apparatus and method for providing uniform radial clearance of seals between rotating and stationary components.
  2. Jewett LeRoy D. (Schenectady NY) Brinkman Earl H. (Schenectady NY) Jones Raymond J. (Duanesburg NY) Troischt David B. (Schenectady NY), Apparatus for providing uniform radial clearance of seals between rotating and stationary components.
  3. Bagepalli Bharat S. ; Chiu R. Paul ; Cromer Robert Harold ; Crum Gregory Allan ; Dinc Osman Saim,TRX ; Furman Anthony Holmes ; Marks Paul Thomas ; Markytan Rudolf Matthias ; Skinner David Robert ; Tu, Brush seals and combined labyrinth and brush seals for rotary machines.
  4. Wolfe Christopher Edward ; Turnquist Norman Arnold ; Cromer Robert Harold ; Dinc Osman Saim ; Rentz Lawrence Edward ; Carr Roger Jordan ; Toth Joseph Robert ; Dewhurst Edward A. ; Baily Frederick Geo, Brush seals for steam turbine applications.
  5. Bagepalli Bharat Sampathkumaran ; Turnquist Norman Arnold ; Skinner David Robert, Hybrid seal and rotary machine containing such hybrid seal.
  6. Jewett LeRoy D. (Schenectady NY) Brinkman Earl H. (Schenectady NY) Jones Raymond J. (Duanesburg NY) Troischt David B. (Schenectady NY), Method for providing uniform radial clearance of labyrinth seals between rotating and stationary components.
  7. Chevrette Richard Jon, Method of establishing hook diameters on diaphragm packing ring dovetails.
  8. Dinc Osman Saim ; Turnquist Norman Arnold ; Cromer Robert Harold ; Reluzco George Ernest ; Wolfe Christopher Edward, Positive biased packing ring brush seal combination.
  9. Dalton William S. (Chesterfield MA), Retractable packing rings for steam turbines.
  10. Brandon Ronald Earl ; Brandon David Earl, Retractable segmented packing rings for fluid turbines.
  11. Brandon Ronald E. (Melbourne FL), Retractible segmented packing ring for fluid turbines having gravity springs to neutralize packing segment weight forces.
  12. Brandon Ronald E. (1734 Lenox Rd. Schenectady NY 12308), Segmented labyrinth-type shaft sealing system for fluid turbines.
  13. Cromer Robert Harold ; Turnquist Norman Arnold ; Nielsen Stephen H. ; Chevrette Richard Jon, Uniform clearance, temperature responsive, variable packing ring.
  14. Chevrette Richard Jon ; Skinner David Robert ; Knorowski Victor John, Variable clearance packing ring with clips for preventing circumferential displacement.
  15. Skinner David Robert ; Knorowski Victor John ; O'Connor Martin Francis ; Chevrette Richard Jon ; Swart Thomas William, Variable clearance packing ring with guide for preventing circumferential displacement.

이 특허를 인용한 특허 (12)

  1. Awtar, Shorya; Kemp, Timothy R.; Laurer, Kurt N.; Baily, Frederick G., Active retractable seal for turbo machinery and related method.
  2. Schaus, Carl Joseph; Burdgick, Steven Sebastian; Werther, Dominick Joseph, Alignment member for steam turbine nozzle assembly.
  3. Chevrette, Richard; Baily, Frederick G., Method and apparatus for variable clearance packing.
  4. Couture, Jr.,Bernard Arthur; Rivas,Flor Del Carmen; Kelly,Mark Edward; Mortzheim,Jason Paul, Methods and apparatus for assembling a rotary machine.
  5. Laurer, Kurt Neal; Barh, Kevin Joseph; Couture, Bernard Arthur; Mortzheim, Jason Paul, Methods and apparatus to facilitate sealing in a turbine.
  6. Liles, Jason David; Ruby, Charles T., Multi-piece fairing for monolithic turbine exhaust case.
  7. Brück, Stefan; Jenikejew, Eduard; Neef, Matthias; Sürken, Norbert, Sealing ring for turbo engines.
  8. Turnquist, Norman Arnold; Awtar, Shorya nmn; Gursoy, Mustafa; Varadarajan, Kartik Mangudi, Spring system designs for active and passive retractable seals.
  9. George, Jayan; Yagielski, John R.; Ronca, Donald; Tayi, Srujana, Systems, methods, and apparatus for controlling key bar movement in a stator assembly.
  10. Reid, Thomas Robert; Anderson, James Peter; Burdgick, Steven Sebastian; DeLorenzo, Mark Richard, Turbomachine diaphragm ring with packing retainment apparatus.
  11. Feeny, Sean Douglas, Variable clearance packing ring.
  12. Chevrette, Richard Jon, Variable clearance packing ring arrangement.
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