GB2159895B - Stepped-tooth rotating labyrinth seal - Google Patents

Stepped-tooth rotating labyrinth seal

Info

Publication number
GB2159895B
GB2159895B GB08513027A GB8513027A GB2159895B GB 2159895 B GB2159895 B GB 2159895B GB 08513027 A GB08513027 A GB 08513027A GB 8513027 A GB8513027 A GB 8513027A GB 2159895 B GB2159895 B GB 2159895B
Authority
GB
United Kingdom
Prior art keywords
stepped
labyrinth seal
tooth rotating
rotating labyrinth
tooth
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
GB08513027A
Other versions
GB8513027D0 (en
GB2159895A (en
Inventor
Christopher Charles Glynn
Byron Enoch Swanson
Melvin Bobo
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB8513027D0 publication Critical patent/GB8513027D0/en
Publication of GB2159895A publication Critical patent/GB2159895A/en
Application granted granted Critical
Publication of GB2159895B publication Critical patent/GB2159895B/en
Expired legal-status Critical Current

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)
GB08513027A 1984-06-04 1985-05-23 Stepped-tooth rotating labyrinth seal Expired GB2159895B (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
GB8513027D0 GB8513027D0 (en) 1985-06-26
GB2159895A GB2159895A (en) 1985-12-11
GB2159895B true GB2159895B (en) 1987-09-16

Family

ID=24470309

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08513027A Expired GB2159895B (en) 1984-06-04 1985-05-23 Stepped-tooth rotating labyrinth seal

Country Status (5)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69513030T2 (en) * 1994-08-24 2000-06-08 United Technologies Corp ROTATING SEALING ELEMENT
DE10217060B4 (en) * 2002-04-17 2004-03-04 Siemens Ag Non-contact seal
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 (en) * 2021-11-10 2023-12-19 北京动力机械研究所 Stepped high-reliability long-service-life sealing structure for rotor of turbocharging system

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE181954C (en) *
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 (en) * 1926-07-08 1929-09-20 Karl Fischer Dipl Ing Labyrinth stuffing box
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 (en) * 1929-02-19 1931-04-16 Escher Wyss Maschf Ag Labyrinth seal for rotating machine parts, especially on centrifugal machines
DE839145C (en) * 1950-05-16 1952-05-15 Siemens Ag Labyrinth stuffing box made up of individual ring-shaped links with sealing rings
DE1426867A1 (en) * 1963-04-02 1968-11-21 Stal Laval Turbin Ab Device for radial turbines
CH467941A (en) * 1967-07-03 1969-01-31 Escher Wyss Ag Labyrinth seal on a hydraulic centrifugal machine, the rotor of which revolves at times in water and at times in air.
BE790095A (en) * 1971-10-20 1973-04-13 Mobil Oil Corp PROPELLER SHAFT SEAL SUPPORT DEVICE FOR A VESSEL
US3771798A (en) * 1972-05-11 1973-11-13 G Mcdonald Method of repairing knife edge fins in spacer fluid seals
JPS5122961A (en) * 1974-08-21 1976-02-24 Hitachi Ltd RABIRIN SUPATSUKINGU
US4351532A (en) * 1975-10-01 1982-09-28 United Technologies Corporation Labyrinth seal
US4103899A (en) * 1975-10-01 1978-08-01 United Technologies Corporation Rotary seal with pressurized air directed at fluid approaching the seal
JPS5542048U (en) * 1978-09-12 1980-03-18

Also Published As

Publication number Publication date
FR2565314B1 (en) 1989-07-28
FR2565314A1 (en) 1985-12-06
DE3519646A1 (en) 1985-12-05
IT1185599B (en) 1987-11-12
JPS616465A (en) 1986-01-13
DE3519646C2 (en) 2002-03-07
JPH07113423B2 (en) 1995-12-06
IT8520945A0 (en) 1985-05-29
GB8513027D0 (en) 1985-06-26
GB2159895A (en) 1985-12-11

Similar Documents

Publication Publication Date Title
GB2158166B (en) Labyrinth type rotary seal
DE3566027D1 (en) Shaft seal
DE3475338D1 (en) Shaft seals
GB8432344D0 (en) Shaft seal
GB8607600D0 (en) Dual-lip shaft seal
ZA889639B (en) Split labyrinth seal
EG16495A (en) Grooved haneycomb labyrinth seal
GB2098675B (en) Rotary seals
GB2147061B (en) Shaft seals
GB8426216D0 (en) Shaft seal
GB2153020B (en) Lip seal
GB2157374B (en) Ring seal
GB2128693B (en) Labyrinth seal
DE3373522D1 (en) Shaft seal
GB2159895B (en) Stepped-tooth rotating labyrinth seal
GB8430448D0 (en) Rotary seal
DE3573645D1 (en) Shaft seal
GB8312613D0 (en) Shaft seals
GB2154674B (en) Shaft seal
DE3568627D1 (en) Lip seal
GB2179710B (en) Rotating seal assembly
AU577782B2 (en) Labyrinth bearing seal
ZA875856B (en) Labyrinth seal
GB8318101D0 (en) Bearing seal
ZA843436B (en) Shaft seals

Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20050522