IT1185599B - Tenuta rotante a labirinto con denti a gradino - Google Patents

Tenuta rotante a labirinto con denti a gradino

Info

Publication number
IT1185599B
IT1185599B IT20945/85A IT2094585A IT1185599B IT 1185599 B IT1185599 B IT 1185599B IT 20945/85 A IT20945/85 A IT 20945/85A IT 2094585 A IT2094585 A IT 2094585A IT 1185599 B IT1185599 B IT 1185599B
Authority
IT
Italy
Prior art keywords
teeth
rotating seal
labyrinth rotating
labyrinth
seal
Prior art date
Application number
IT20945/85A
Other languages
English (en)
Italian (it)
Other versions
IT8520945A0 (it
Inventor
Christopher Charles Glynn
Byron Enoch Swanson
Melvin Bobo
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT8520945A0 publication Critical patent/IT8520945A0/it
Application granted granted Critical
Publication of IT1185599B publication Critical patent/IT1185599B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • 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)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
IT20945/85A 1984-06-04 1985-05-29 Tenuta rotante a labirinto con denti a gradino IT1185599B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61662684A 1984-06-04 1984-06-04

Publications (2)

Publication Number Publication Date
IT8520945A0 IT8520945A0 (it) 1985-05-29
IT1185599B true IT1185599B (it) 1987-11-12

Family

ID=24470309

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20945/85A IT1185599B (it) 1984-06-04 1985-05-29 Tenuta rotante a labirinto con denti a gradino

Country Status (5)

Country Link
JP (1) JPH07113423B2 (fr)
DE (1) DE3519646C2 (fr)
FR (1) FR2565314B1 (fr)
GB (1) GB2159895B (fr)
IT (1) IT1185599B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0777819B1 (fr) * 1994-08-24 1999-10-27 United Technologies Corporation Joint rotatif
DE10217060B4 (de) * 2002-04-17 2004-03-04 Siemens Ag Berührungslose Dichtung
US8205335B2 (en) 2007-06-12 2012-06-26 United Technologies Corporation Method of repairing knife edge seals
US8348603B2 (en) * 2009-04-02 2013-01-08 General Electric Company Gas turbine inner flowpath coverpiece
US8591181B2 (en) * 2010-10-18 2013-11-26 General Electric Company Turbomachine seal assembly
CN114060104B (zh) * 2021-11-10 2023-12-19 北京动力机械研究所 一种涡轮增压系统转子阶梯式高可靠长寿命密封结构

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE181954C (fr) *
US1419927A (en) * 1918-05-24 1922-06-20 Westinghouse Electric & Mfg Co Packing
US1505647A (en) * 1920-11-05 1924-08-19 Gen Electric Packing for elastic-fluid turbines and the like
US1482031A (en) * 1923-01-18 1924-01-29 Said Parsons Packing for rotating bodies
DE482825C (de) * 1926-07-08 1929-09-20 Karl Fischer Dipl Ing Labyrinthstopfbuechse
GB294684A (en) * 1927-04-28 1928-07-30 Karl Baumann Improvements in or relating to labyrinth gland packing
GB274049A (en) * 1927-06-09 1928-05-03 Fischer Karl Improvements relating to stuffing box packing
DE522872C (de) * 1929-02-19 1931-04-16 Escher Wyss Maschf Ag Labyrinthdichtung fuer sich drehende Maschinenteile, insbesondere an Kreiselmaschinen
DE839145C (de) * 1950-05-16 1952-05-15 Siemens Ag Aus einzelnen mit Dichtungskaemmen versehenen ringfoermigen Gliedern aufgebaute Labyrinthstopfbuechse
DE1426867A1 (de) * 1963-04-02 1968-11-21 Stal Laval Turbin Ab Einrichtung fuer Radialturbinen
CH467941A (de) * 1967-07-03 1969-01-31 Escher Wyss Ag Labyrinthdichtung an einer hydraulischen Kreiselmaschine, deren Läufer zeitweise in Wasser und zeitweise in Luft umläuft.
BE790095A (fr) * 1971-10-20 1973-04-13 Mobil Oil Corp Dispositif de support a joint d'etancheite d'arbre d'helice d'un navir
US3771798A (en) * 1972-05-11 1973-11-13 G Mcdonald Method of repairing knife edge fins in spacer fluid seals
JPS5122961A (ja) * 1974-08-21 1976-02-24 Hitachi Ltd Rabirinsupatsukingu
US4103899A (en) * 1975-10-01 1978-08-01 United Technologies Corporation Rotary seal with pressurized air directed at fluid approaching the seal
US4351532A (en) * 1975-10-01 1982-09-28 United Technologies Corporation Labyrinth seal
JPS5542048U (fr) * 1978-09-12 1980-03-18

Also Published As

Publication number Publication date
FR2565314B1 (fr) 1989-07-28
DE3519646A1 (de) 1985-12-05
GB2159895A (en) 1985-12-11
IT8520945A0 (it) 1985-05-29
GB2159895B (en) 1987-09-16
DE3519646C2 (de) 2002-03-07
JPS616465A (ja) 1986-01-13
JPH07113423B2 (ja) 1995-12-06
GB8513027D0 (en) 1985-06-26
FR2565314A1 (fr) 1985-12-06

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950529