IT8520945A0 - LABYRINTH ROTARY SEAL WITH STEP TEETH. - Google Patents

LABYRINTH ROTARY SEAL WITH STEP TEETH.

Info

Publication number: IT8520945A0
Authority: IT; Italy
Prior art keywords: rotary seal; step teeth; labyrinth; labyrinth rotary; teeth
Prior art date: 1984-06-04

Application number

IT8520945A

Other languages

Italian (it)

Other versions

IT1185599B (en

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.)

1984-06-04

Filing date

1985-05-29

Publication date

1985-05-29

1985-05-29 Application filed by Gen Electric filed Critical Gen Electric

1985-05-29 Publication of IT8520945A0 publication Critical patent/IT8520945A0/en

1987-11-12 Application granted granted Critical

1987-11-12 Publication of IT1185599B publication Critical patent/IT1185599B/en

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 LABYRINTH ROTATING SEAL WITH TEETH IT1185599B (en)

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 true IT8520945A0 (en)	1985-05-29
IT1185599B IT1185599B (en)	1987-11-12

Family

ID=24470309

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT20945/85A IT1185599B (en)	1984-06-04	1985-05-29	LABYRINTH ROTATING SEAL WITH TEETH

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
WO1996006267A1 (en) *	1994-08-24	1996-02-29	United Technologies Corporation	Rotatable seal element for a rotary machine
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
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 (en) *	1978-09-12	1980-03-18

1985
- 1985-05-23 GB GB08513027A patent/GB2159895B/en not_active Expired
- 1985-05-29 IT IT20945/85A patent/IT1185599B/en active
- 1985-05-31 FR FR8508186A patent/FR2565314B1/en not_active Expired
- 1985-06-01 DE DE3519646A patent/DE3519646C2/en not_active Expired - Lifetime
- 1985-06-03 JP JP60118990A patent/JPH07113423B2/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
FR2565314A1 (en)	1985-12-06
JPH07113423B2 (en)	1995-12-06
DE3519646A1 (en)	1985-12-05
IT1185599B (en)	1987-11-12
GB2159895B (en)	1987-09-16
FR2565314B1 (en)	1989-07-28
GB8513027D0 (en)	1985-06-26
DE3519646C2 (en)	2002-03-07
GB2159895A (en)	1985-12-11
JPS616465A (en)	1986-01-13

Publication	Publication Date	Title
IT8521401A0 (en)	1985-07-02	BRUSH SEAL.
IT8919233A0 (en)	1989-01-27	BRUSH SEAL.
GB2158166B (en)	1987-08-19	Labyrinth type rotary seal
DE3674271D1 (en)	1990-10-25	SEALING ARRANGEMENT.
IT8583334A0 (en)	1985-02-28	LABYRINTH SEAL
AT384663B (en)	1987-12-28	RING SHAPED SEAL
PT89378A (en)	1989-10-04	LABYRINTH DIVIDED SEAL
IT8521985A0 (en)	1985-08-26	SCARFING TEETH ASSEMBLY.
ATE45707T1 (en)	1989-09-15	SEAL ARRANGEMENT.
NO872293D0 (en)	1987-06-01	SEALING Gasket.
DE3672696D1 (en)	1990-08-23	SHAFT SEAL.
IT8520086A0 (en)	1985-03-27	RING SEAL.
DE3671507D1 (en)	1990-06-28	SEALING RINGS.
DE3671279D1 (en)	1990-06-21	MECHANICAL SEALS.
IT8520945A0 (en)	1985-05-29	LABYRINTH ROTARY SEAL WITH STEP TEETH.
IT8223811A0 (en)	1982-10-19	PERFECTED LABYRINTH SEAL.
IT8383414A0 (en)	1983-07-08	LABYRINTH SEAL.
NO862239D0 (en)	1986-06-05	Mechanical seal.
DE3862948D1 (en)	1991-07-04	ROTARY SEAL.
IT8520149A0 (en)	1985-03-29	CUTTER WITH GROOVED TEETH.
DE3684979D1 (en)	1992-05-27	TOOTH RESTORATION MATERIAL.
IT8445724A0 (en)	1984-10-23	LABYRINTH SEAL.
AT382223B (en)	1987-01-26	PROFILED SEALING RING
IT1178811B (en)	1987-09-16	ROTARY SEAL JOINT
ES278827Y (en)	1985-12-16	A SEAL, PERFECTED

Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19950529