FR2675560B1 - Garniture d'etancheite pour arbre rotatif. - Google Patents

Garniture d'etancheite pour arbre rotatif.

Info

Publication number
FR2675560B1
FR2675560B1 FR9104794A FR9104794A FR2675560B1 FR 2675560 B1 FR2675560 B1 FR 2675560B1 FR 9104794 A FR9104794 A FR 9104794A FR 9104794 A FR9104794 A FR 9104794A FR 2675560 B1 FR2675560 B1 FR 2675560B1
Authority
FR
France
Prior art keywords
sealing
rotary shaft
rotary
shaft
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 - Fee Related
Application number
FR9104794A
Other languages
English (en)
Other versions
FR2675560A1 (fr
Inventor
Jean Poulain
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.)
Alstom Holdings SA
Original Assignee
GEC Alsthom SA
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 GEC Alsthom SA filed Critical GEC Alsthom SA
Priority to FR9104794A priority Critical patent/FR2675560B1/fr
Publication of FR2675560A1 publication Critical patent/FR2675560A1/fr
Application granted granted Critical
Publication of FR2675560B1 publication Critical patent/FR2675560B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F01D11/025—Seal clearance control; Floating assembly; Adaptation means to differential thermal dilatations
    • 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
    • F16J15/441—Free-space packings with floating ring

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)
FR9104794A 1991-04-18 1991-04-18 Garniture d'etancheite pour arbre rotatif. Expired - Fee Related FR2675560B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9104794A FR2675560B1 (fr) 1991-04-18 1991-04-18 Garniture d'etancheite pour arbre rotatif.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9104794A FR2675560B1 (fr) 1991-04-18 1991-04-18 Garniture d'etancheite pour arbre rotatif.

Publications (2)

Publication Number Publication Date
FR2675560A1 FR2675560A1 (fr) 1992-10-23
FR2675560B1 true FR2675560B1 (fr) 1994-01-07

Family

ID=9412009

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9104794A Expired - Fee Related FR2675560B1 (fr) 1991-04-18 1991-04-18 Garniture d'etancheite pour arbre rotatif.

Country Status (1)

Country Link
FR (1) FR2675560B1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE502216T1 (de) 2007-10-09 2011-04-15 Siemens Ag Turbomaschine mit radial rückfederndem labyrinthdichtungssegment
US10267421B2 (en) * 2013-09-27 2019-04-23 Kabushiki Kaisha Riken Seal ring
US10385715B2 (en) 2016-08-29 2019-08-20 United Technologies Corporation Floating, non-contact seal with angled beams
US11421543B2 (en) 2018-11-28 2022-08-23 Raytheon Technologies Corporation Hydrostatic seal with asymmetric beams for anti-tipping
US11111805B2 (en) 2018-11-28 2021-09-07 Raytheon Technologies Corporation Multi-component assembled hydrostatic seal
US11674402B2 (en) 2018-11-28 2023-06-13 Raytheon Technologies Corporation Hydrostatic seal with non-parallel beams for anti-tipping
US11199102B2 (en) * 2018-11-28 2021-12-14 Raytheon Technologies Corporation Hydrostatic seal with increased design space

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4046388A (en) * 1976-03-09 1977-09-06 Westinghouse Electric Corporation Seal arrangement utilizing deflector seals of reduced radial dimension
FR2650048B1 (fr) * 1989-07-21 1992-05-07 Alsthom Gec Garniture d'etancheite pour arbre rotatif

Also Published As

Publication number Publication date
FR2675560A1 (fr) 1992-10-23

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20081231