IT1152732B - Tenuta a labirinto perfezionata - Google Patents

Tenuta a labirinto perfezionata

Info

Publication number: IT1152732B
Authority: IT; Italy
Prior art keywords: perfected; labyrinth seal; labyrinth; seal; perfected labyrinth
Prior art date: 1982-10-19

Application number

IT23811/82A

Other languages

English (en)

Other versions

IT8223811A0 (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.)

1982-10-19

Filing date

1982-10-19

Publication date

1987-01-07

1982-10-19 Application filed by Nuovo Pignone Spa filed Critical Nuovo Pignone Spa

1982-10-19 Priority to IT23811/82A priority Critical patent/IT1152732B/it

1982-10-19 Publication of IT8223811A0 publication Critical patent/IT8223811A0/it

1983-10-11 Priority to GB08327207A priority patent/GB2128693B/en

1983-10-18 Priority to CA000439209A priority patent/CA1249616A/en

1983-10-18 Priority to JP58193577A priority patent/JPS5989866A/ja

1983-10-18 Priority to FR8316578A priority patent/FR2534655A1/fr

1983-10-19 Priority to DE3337989A priority patent/DE3337989C2/de

1983-10-19 Priority to CH5692/83A priority patent/CH655770A5/it

1987-01-07 Application granted granted Critical

1987-01-07 Publication of IT1152732B publication Critical patent/IT1152732B/it

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)

IT23811/82A 1982-10-19 1982-10-19 Tenuta a labirinto perfezionata IT1152732B (it)

Priority Applications (7)

Application Number	Priority Date	Filing Date	Title
IT23811/82A IT1152732B (it)	1982-10-19	1982-10-19	Tenuta a labirinto perfezionata
GB08327207A GB2128693B (en)	1982-10-19	1983-10-11	Labyrinth seal
CA000439209A CA1249616A (en)	1982-10-19	1983-10-18	Labyrinth seal
JP58193577A JPS5989866A (ja)	1982-10-19	1983-10-18	ラビリンスシ−ル
FR8316578A FR2534655A1 (fr)	1982-10-19	1983-10-18	Joint d'etancheite a labyrinthe
DE3337989A DE3337989C2 (de)	1982-10-19	1983-10-19	Labyrinthdichtung
CH5692/83A CH655770A5 (it)	1982-10-19	1983-10-19	Dispositivo di tenuta a labirinto per albero ruotante.

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
IT8223811A0 IT8223811A0 (it)	1982-10-19
IT1152732B true IT1152732B (it)	1987-01-07

Family

ID=11210151

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT23811/82A IT1152732B (it)	1982-10-19	1982-10-19	Tenuta a labirinto perfezionata

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
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

1982
- 1982-10-19 IT IT23811/82A patent/IT1152732B/it active
1983
- 1983-10-11 GB GB08327207A patent/GB2128693B/en not_active Expired
- 1983-10-18 FR FR8316578A patent/FR2534655A1/fr active Pending
- 1983-10-18 CA CA000439209A patent/CA1249616A/en not_active Expired
- 1983-10-18 JP JP58193577A patent/JPS5989866A/ja active Granted
- 1983-10-19 CH CH5692/83A patent/CH655770A5/it not_active IP Right Cessation
- 1983-10-19 DE DE3337989A patent/DE3337989C2/de not_active Expired

Also Published As

Publication number	Publication date
JPS5989866A (ja)	1984-05-24
GB2128693B (en)	1986-04-30
FR2534655A1 (fr)	1984-04-20
JPH0319424B2 (it)	1991-03-15
IT8223811A0 (it)	1982-10-19
CA1249616A (en)	1989-01-31
GB8327207D0 (en)	1983-11-09
CH655770A5 (it)	1986-05-15
DE3337989C2 (de)	1985-12-05
DE3337989A1 (de)	1984-04-19
GB2128693A (en)	1984-05-02

Publication	Publication Date	Title
NO833017L (no)	1984-02-24	Tetningsenhet
BR8207611A (pt)	1983-10-25	Guarnicao de vedacao
AR231871A1 (es)	1985-03-29	Conjunto de cierre mecanico
IT8583334A0 (it)	1985-02-28	Tenuta a labirinto
IT1172559B (it)	1987-06-18	Guarnizione di tenuta perfezionata
AT383394B (de)	1987-06-25	Dichtungsanordnung
ES275074Y (es)	1985-04-01	Conjunto de estanqueidad
IT1173603B (it)	1987-06-24	Guarnizione
IT1169139B (it)	1987-05-27	Guarnizione
IT1152732B (it)	1987-01-07	Tenuta a labirinto perfezionata
IT1175100B (it)	1987-07-01	Guarnizione a labirinto
AT379862B (de)	1986-03-10	Dichtungseinrichtung
IT8445724A1 (it)	1986-04-23	Guarnizione di tenuta a labirinto
AT372101B (de)	1983-09-12	Fugendichtmasse
ES260141Y (es)	1982-10-16	Precinto perfeccionado
ES266162Y (es)	1983-07-16	Cierre precinto perfeccionado
NO830715L (no)	1983-09-05	Akseltetting
DK386183D0 (da)	1983-08-23	Taetningsstrimmel
BR8202915A (pt)	1983-12-27	Vedacao
BR6200771U (pt)	1984-01-03	Lacre
BR6200068U (pt)	1982-08-17	Vedacao
ES243109Y (es)	1980-11-01	Un precinto perfeccionado
IT1157808B (it)	1987-02-18	Labirinto
ES283606Y (es)	1986-11-16	Un precinto perfeccionado
ES257902Y (es)	1982-05-16	Galga sellante

Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19971029