IN145745B - - Google Patents

Info

Publication number
IN145745B
IN145745B IN2110/CAL/75A IN2110CA1975A IN145745B IN 145745 B IN145745 B IN 145745B IN 2110CA1975 A IN2110CA1975 A IN 2110CA1975A IN 145745 B IN145745 B IN 145745B
Authority
IN
India
Application number
IN2110/CAL/75A
Other languages
English (en)
Inventor
G Lerjen
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of IN145745B publication Critical patent/IN145745B/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/44Free-space packings
    • F16J15/441Free-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)
IN2110/CAL/75A 1975-03-05 1975-11-04 IN145745B (US06534493-20030318-C00166.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH275575A CH582319A5 (US06534493-20030318-C00166.png) 1975-03-05 1975-03-05

Publications (1)

Publication Number Publication Date
IN145745B true IN145745B (US06534493-20030318-C00166.png) 1978-12-09

Family

ID=4240879

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2110/CAL/75A IN145745B (US06534493-20030318-C00166.png) 1975-03-05 1975-11-04

Country Status (8)

Country Link
US (1) US4017088A (US06534493-20030318-C00166.png)
JP (1) JPS51111507A (US06534493-20030318-C00166.png)
CA (1) CA1026785A (US06534493-20030318-C00166.png)
CH (1) CH582319A5 (US06534493-20030318-C00166.png)
DE (2) DE7509801U (US06534493-20030318-C00166.png)
FR (1) FR2303210A1 (US06534493-20030318-C00166.png)
GB (1) GB1516129A (US06534493-20030318-C00166.png)
IN (1) IN145745B (US06534493-20030318-C00166.png)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6123804A (ja) * 1984-07-10 1986-02-01 Hitachi Ltd タ−ビン段落構造
US5002288A (en) * 1988-10-13 1991-03-26 General Electric Company Positive variable clearance labyrinth seal
US5374068A (en) * 1991-05-07 1994-12-20 General Electric Co. Method for providing uniform radial clearance of labyrinth seals between rotating and stationary components
DE4136408A1 (de) * 1991-11-05 1993-05-06 Siemens Ag, 8000 Muenchen, De Waermebewegliche anordnung zur abdichtung eines zwischenraumes, insbesondere fuer dampfleitungen bei dampfturbinen
US5395124A (en) * 1993-01-04 1995-03-07 Imo Industries, Inc. Retractible segmented packing ring for fluid turbines having gravity springs to neutralize packing segment weight forces
US5403019A (en) * 1993-05-03 1995-04-04 Dresser-Rand Company Balanced floating labyrinth seal
US5464226A (en) * 1993-12-06 1995-11-07 Demag Delaval Turbomachinery Corp. Turbocare Division Retractable packing rings for steam turbines
US5509780A (en) * 1995-03-08 1996-04-23 General Electric Co. Apparatus and method for providing uniform radial clearance of seals between rotating and stationary components
US5676348A (en) * 1996-06-12 1997-10-14 Fmc Corporation Asymmetric seal segment configuration
CN1215251C (zh) * 1996-08-05 2005-08-17 罗纳德·E·布兰登 流体涡轮机的密封装置
WO2001009497A1 (fr) * 1998-07-21 2001-02-08 Vazgen Sergeevich Bagdasaryan Installation de turbine a gaz avec presse-garniture a labyrinthe aerodynamique
EP0974736A1 (de) * 1998-07-22 2000-01-26 Asea Brown Boveri AG Kolbenringdichtung an Dampfturbine
JP3702212B2 (ja) 2001-09-28 2005-10-05 三菱重工業株式会社 軸シール機構及びタービン
US6715766B2 (en) * 2001-10-30 2004-04-06 General Electric Company Steam feed hole for retractable packing segments in rotary machines
US6588764B2 (en) * 2001-11-20 2003-07-08 Dresser-Rand Company Segmented labyrinth seal assembly and method
US6572115B1 (en) * 2001-12-21 2003-06-03 General Electric Company Actuating seal for a rotary machine and method of retrofitting
US7726661B2 (en) * 2002-06-21 2010-06-01 Inpro/Seal Llc Pressure balanced shaft seal assembly
US20040222594A1 (en) * 2003-05-08 2004-11-11 Dresser-Rand Company Oil film sealing device for a rotating shaft
DE102004055429B3 (de) * 2004-11-17 2006-08-10 Man B & W Diesel Ag Dichtungseinrichtung für eine insbesondere im Stillstand geschmierte Lagerung einer Rotorwelle
US20070248452A1 (en) * 2006-04-25 2007-10-25 Brisson Bruce W Retractable compliant abradable sealing system and method for rotary machines
JP2012067878A (ja) * 2010-09-24 2012-04-05 Mitsubishi Heavy Ind Ltd ターボ回転機械用の自動調整シール
US8905407B2 (en) * 2011-03-02 2014-12-09 Eaton Corporation Segmented seal with axial load control feature
US9255642B2 (en) * 2012-07-06 2016-02-09 General Electric Company Aerodynamic seals for rotary machine
US9200528B2 (en) * 2012-09-11 2015-12-01 General Electric Company Swirl interruption seal teeth for seal assembly
CZ2013380A3 (cs) 2013-05-22 2015-03-25 Doosan Ĺ koda Power s.r.o. Uložení segmentového odtahovacího těsnění ve statoru turbíny
US10030531B2 (en) * 2016-01-22 2018-07-24 United Technologies Corporation Seal shoe for a hydrostatic non-contact seal device
US10718270B2 (en) 2017-06-15 2020-07-21 Raytheon Technologies Corporation Hydrostatic non-contact seal with dual material
US10337621B2 (en) * 2017-06-23 2019-07-02 United Technologies Corporation Hydrostatic non-contact seal with weight reduction pocket
US10626744B2 (en) * 2017-09-29 2020-04-21 United Technologies Corporation Dual hydorstatic seal assembly
US10731496B2 (en) * 2018-01-17 2020-08-04 Raytheon Technologies Corporation Bearing-supported seal
US10731497B2 (en) * 2018-02-07 2020-08-04 Raytheon Technologies Corporation Separate secondary seal support rail for seal
US10995861B2 (en) 2019-01-03 2021-05-04 Raytheon Technologies Corporation Cantilevered hydrostatic advanced low leakage seal
US11378187B2 (en) * 2019-01-03 2022-07-05 Raytheon Technologies Corporation Articulating cantilevered hydrostatic seal
US10982770B2 (en) 2019-01-03 2021-04-20 Raytheon Technologies Corporation Hydrostatic seal with extended housing
US10961858B2 (en) * 2019-01-04 2021-03-30 Raytheon Technologies Corporation Hydrostatic seal with enhanced maneuver response
US10975713B2 (en) 2019-01-04 2021-04-13 Raytheon Technologies Corporation Hydrostatic seal with aft tooth
US11415227B2 (en) * 2019-08-21 2022-08-16 Raytheon Technologies Corporation Non-contact seal assembly with chamfered seal shoe
US11619309B2 (en) 2020-08-28 2023-04-04 Raytheon Technologies Corporation Non-contact seal for rotational equipment with axially expended seal shoes
CN113028067B (zh) * 2021-03-04 2022-02-11 清华大学 用于高速轴的自适应迷宫密封装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB918594A (en) * 1961-02-24 1963-02-13 Ass Elect Ind Improvements relating to shaft packing glands for steam turbines
GB1224234A (en) * 1968-07-19 1971-03-03 English Electric Co Ltd Turbines
US3825364A (en) * 1972-06-09 1974-07-23 Gen Electric Porous abradable turbine shroud

Also Published As

Publication number Publication date
CA1026785A (en) 1978-02-21
DE2513582C2 (de) 1983-12-22
DE2513582A1 (de) 1976-09-16
FR2303210B1 (US06534493-20030318-C00166.png) 1982-08-27
DE7509801U (de) 1977-01-13
US4017088A (en) 1977-04-12
JPS51111507A (en) 1976-10-01
FR2303210A1 (fr) 1976-10-01
CH582319A5 (US06534493-20030318-C00166.png) 1976-11-30
GB1516129A (en) 1978-06-28

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