CA1249616A - Labyrinth seal - Google Patents

Labyrinth seal

Info

Publication number
CA1249616A
CA1249616A CA000439209A CA439209A CA1249616A CA 1249616 A CA1249616 A CA 1249616A CA 000439209 A CA000439209 A CA 000439209A CA 439209 A CA439209 A CA 439209A CA 1249616 A CA1249616 A CA 1249616A
Authority
CA
Canada
Prior art keywords
cavity
circumferential
labyrinth seal
seal
shaft
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.)
Expired
Application number
CA000439209A
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 Holding SpA
Original Assignee
Nuovopignone Industrie Meccaniche e Fonderia 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 Nuovopignone Industrie Meccaniche e Fonderia SpA filed Critical Nuovopignone Industrie Meccaniche e Fonderia SpA
Application granted granted Critical
Publication of CA1249616A publication Critical patent/CA1249616A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/447—Labyrinth packings
    • F16J15/4472—Labyrinth 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)
CA000439209A 1982-10-19 1983-10-18 Labyrinth seal Expired CA1249616A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT23811/82A IT1152732B (it) 1982-10-19 1982-10-19 Tenuta a labirinto perfezionata
IT23811A/82 1982-10-19

Publications (1)

Publication Number Publication Date
CA1249616A true CA1249616A (en) 1989-01-31

Family

ID=11210151

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000439209A Expired CA1249616A (en) 1982-10-19 1983-10-18 Labyrinth seal

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
US5794942A (en) * 1993-01-08 1998-08-18 The Texas A&M University System Modulated pressure damper seals
US5707064A (en) * 1993-01-08 1998-01-13 The Texas A&M University System Modulated pressure damper seal
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
NO20121005A1 (no) * 2012-09-06 2013-12-16 Dynavec As Anordning ved labyrinttetning for hydraulisk strømningsmaskin

Family Cites Families (5)

* 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
GB274049A (en) * 1927-06-09 1928-05-03 Fischer Karl Improvements relating to stuffing box packing
DE884593C (de) * 1940-05-12 1953-09-14 Harry Kuhrmeier Dipl Ing Dichtungsring fuer hohe Druecke
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

Also Published As

Publication number Publication date
CH655770A5 (it) 1986-05-15
GB2128693A (en) 1984-05-02
IT8223811A1 (it) 1984-04-19
GB8327207D0 (en) 1983-11-09
JPH0319424B2 (it) 1991-03-15
IT1152732B (it) 1987-01-07
JPS5989866A (ja) 1984-05-24
IT8223811A0 (it) 1982-10-19
FR2534655A1 (fr) 1984-04-20
GB2128693B (en) 1986-04-30
DE3337989C2 (de) 1985-12-05
DE3337989A1 (de) 1984-04-19

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Legal Events

Date Code Title Description
MKEX Expiry