CH655770A5 - Dispositivo di tenuta a labirinto per albero ruotante. - Google Patents

Dispositivo di tenuta a labirinto per albero ruotante. Download PDF

Info

Publication number
CH655770A5
CH655770A5 CH5692/83A CH569283A CH655770A5 CH 655770 A5 CH655770 A5 CH 655770A5 CH 5692/83 A CH5692/83 A CH 5692/83A CH 569283 A CH569283 A CH 569283A CH 655770 A5 CH655770 A5 CH 655770A5
Authority
CH
Switzerland
Prior art keywords
circumferential
seal
shaft
groove
compartments
Prior art date
Application number
CH5692/83A
Other languages
English (en)
Italian (it)
Inventor
Luciano Bonciani
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 CH655770A5 publication Critical patent/CH655770A5/it

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)
CH5692/83A 1982-10-19 1983-10-19 Dispositivo di tenuta a labirinto per albero ruotante. CH655770A5 (it)

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
CH655770A5 true CH655770A5 (it) 1986-05-15

Family

ID=11210151

Family Applications (1)

Application Number Title Priority Date Filing Date
CH5692/83A CH655770A5 (it) 1982-10-19 1983-10-19 Dispositivo di tenuta a labirinto per albero ruotante.

Country Status (7)

Country Link
JP (1) JPS5989866A (cg-RX-API-DMAC7.html)
CA (1) CA1249616A (cg-RX-API-DMAC7.html)
CH (1) CH655770A5 (cg-RX-API-DMAC7.html)
DE (1) DE3337989C2 (cg-RX-API-DMAC7.html)
FR (1) FR2534655A1 (cg-RX-API-DMAC7.html)
GB (1) GB2128693B (cg-RX-API-DMAC7.html)
IT (1) IT1152732B (cg-RX-API-DMAC7.html)

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
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
CA1249616A (en) 1989-01-31
IT1152732B (it) 1987-01-07
DE3337989A1 (de) 1984-04-19
GB8327207D0 (en) 1983-11-09
JPH0319424B2 (cg-RX-API-DMAC7.html) 1991-03-15
JPS5989866A (ja) 1984-05-24
FR2534655A1 (fr) 1984-04-20
GB2128693A (en) 1984-05-02
IT8223811A1 (it) 1984-04-19
IT8223811A0 (it) 1982-10-19
GB2128693B (en) 1986-04-30
DE3337989C2 (de) 1985-12-05

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