DE3337989C2 - Labyrinthdichtung - Google Patents

Labyrinthdichtung

Info

Publication number
DE3337989C2
DE3337989C2 DE3337989A DE3337989A DE3337989C2 DE 3337989 C2 DE3337989 C2 DE 3337989C2 DE 3337989 A DE3337989 A DE 3337989A DE 3337989 A DE3337989 A DE 3337989A DE 3337989 C2 DE3337989 C2 DE 3337989C2
Authority
DE
Germany
Prior art keywords
labyrinth seal
shows
axial direction
annular space
projections
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
DE3337989A
Other languages
German (de)
English (en)
Other versions
DE3337989A1 (de
Inventor
Luciano Florenz/Firenze 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 DE3337989A1 publication Critical patent/DE3337989A1/de
Application granted granted Critical
Publication of DE3337989C2 publication Critical patent/DE3337989C2/de
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)
DE3337989A 1982-10-19 1983-10-19 Labyrinthdichtung Expired DE3337989C2 (de)

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 (2)

Publication Number Publication Date
DE3337989A1 DE3337989A1 (de) 1984-04-19
DE3337989C2 true DE3337989C2 (de) 1985-12-05

Family

ID=11210151

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3337989A Expired DE3337989C2 (de) 1982-10-19 1983-10-19 Labyrinthdichtung

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

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
IT1152732B (it) 1987-01-07
CH655770A5 (it) 1986-05-15
GB8327207D0 (en) 1983-11-09
CA1249616A (en) 1989-01-31
DE3337989A1 (de) 1984-04-19
FR2534655A1 (fr) 1984-04-20
JPS5989866A (ja) 1984-05-24
GB2128693A (en) 1984-05-02
GB2128693B (en) 1986-04-30
JPH0319424B2 (it) 1991-03-15
IT8223811A0 (it) 1982-10-19

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition