FR2534655A1 - Joint d'etancheite a labyrinthe - Google Patents

Joint d'etancheite a labyrinthe Download PDF

Info

Publication number
FR2534655A1
FR2534655A1 FR8316578A FR8316578A FR2534655A1 FR 2534655 A1 FR2534655 A1 FR 2534655A1 FR 8316578 A FR8316578 A FR 8316578A FR 8316578 A FR8316578 A FR 8316578A FR 2534655 A1 FR2534655 A1 FR 2534655A1
Authority
FR
France
Prior art keywords
circumferential
seal
cavity
compartments
labyrinth seal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
FR8316578A
Other languages
English (en)
French (fr)
Inventor
Luciano Bonciani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nuovo Pignone SpA
Original Assignee
Nuovo Pignone SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nuovo Pignone SpA filed Critical Nuovo Pignone SpA
Publication of FR2534655A1 publication Critical patent/FR2534655A1/fr
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/44Free-space packings
    • F16J15/447Labyrinth packings
    • F16J15/4472Labyrinth packings with axial path

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
FR8316578A 1982-10-19 1983-10-18 Joint d'etancheite a labyrinthe Pending FR2534655A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23811/82A IT1152732B (it) 1982-10-19 1982-10-19 Tenuta a labirinto perfezionata

Publications (1)

Publication Number Publication Date
FR2534655A1 true FR2534655A1 (fr) 1984-04-20

Family

ID=11210151

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8316578A Pending FR2534655A1 (fr) 1982-10-19 1983-10-18 Joint d'etancheite a labyrinthe

Country Status (7)

Country Link
JP (1) JPS5989866A (it)
CA (1) CA1249616A (it)
CH (1) CH655770A5 (it)
DE (1) DE3337989C2 (it)
FR (1) FR2534655A1 (it)
GB (1) GB2128693B (it)
IT (1) IT1152732B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5707064A (en) * 1993-01-08 1998-01-13 The Texas A&M University System Modulated pressure damper seal
US5794942A (en) * 1993-01-08 1998-08-18 The Texas A&M University System Modulated pressure damper seals
SE507745C2 (sv) * 1996-11-05 1998-07-06 Alfa Laval Ab Tätningsanordning
DE19933445C2 (de) * 1999-07-16 2001-12-13 Mtu Aero Engines Gmbh Dichtring für nicht- hermetische Fluiddichtungen
FR2893358A1 (fr) * 2005-11-15 2007-05-18 Snecma Sa Piece thermomecanique de turbomachine de revolution autour d'un axe longitudinal, comprenant une lechette annulaire, et son procede de fabrication
JP4696147B2 (ja) * 2008-06-30 2011-06-08 株式会社日立製作所 ターボ機械
US9074486B2 (en) 2011-01-31 2015-07-07 General Electric Company Method and apparatus for labyrinth seal packing ring
NO334129B1 (no) * 2012-09-06 2013-12-16 Dynavec As Anordning ved labyrinttetning for hydraulisk strømningsmaskin

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE494348C (de) * 1930-03-21 Karl Fischer Dipl Ing Labyrinthstopfbuechse
DE884593C (de) * 1940-05-12 1953-09-14 Harry Kuhrmeier Dipl Ing Dichtungsring fuer hohe Druecke

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB274049A (en) * 1927-06-09 1928-05-03 Fischer Karl Improvements relating to stuffing box packing
US2886351A (en) * 1956-01-03 1959-05-12 Orenda Engines Ltd Elements for labyrinth seals
GB840573A (en) * 1958-01-20 1960-07-06 Rolls Royce Labyrinth seals

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE494348C (de) * 1930-03-21 Karl Fischer Dipl Ing Labyrinthstopfbuechse
DE884593C (de) * 1940-05-12 1953-09-14 Harry Kuhrmeier Dipl Ing Dichtungsring fuer hohe Druecke

Also Published As

Publication number Publication date
DE3337989A1 (de) 1984-04-19
CA1249616A (en) 1989-01-31
JPS5989866A (ja) 1984-05-24
DE3337989C2 (de) 1985-12-05
GB8327207D0 (en) 1983-11-09
GB2128693B (en) 1986-04-30
JPH0319424B2 (it) 1991-03-15
CH655770A5 (it) 1986-05-15
IT8223811A0 (it) 1982-10-19
IT1152732B (it) 1987-01-07
GB2128693A (en) 1984-05-02

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