IE32178B1 - Labyrinth seal for a hydraulic rotary machine - Google Patents

Labyrinth seal for a hydraulic rotary machine

Info

Publication number
IE32178B1
IE32178B1 IE778/68A IE77868A IE32178B1 IE 32178 B1 IE32178 B1 IE 32178B1 IE 778/68 A IE778/68 A IE 778/68A IE 77868 A IE77868 A IE 77868A IE 32178 B1 IE32178 B1 IE 32178B1
Authority
IE
Ireland
Prior art keywords
runner
water
parts
sealing
air
Prior art date
Application number
IE778/68A
Other languages
English (en)
Other versions
IE32178L (en
Original Assignee
Escher Wyss Ltd
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 Escher Wyss Ltd filed Critical Escher Wyss Ltd
Publication of IE32178L publication Critical patent/IE32178L/xx
Publication of IE32178B1 publication Critical patent/IE32178B1/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
    • F03B11/006—Sealing arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/165—Sealings between pressure and suction sides especially adapted for liquid pumps
    • F04D29/167—Sealings between pressure and suction sides especially adapted for liquid pumps of a centrifugal flow wheel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Hydraulic Turbines (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
IE778/68A 1967-07-03 1968-07-01 Labyrinth seal for a hydraulic rotary machine IE32178B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH943567A CH467941A (de) 1967-07-03 1967-07-03 Labyrinthdichtung an einer hydraulischen Kreiselmaschine, deren Läufer zeitweise in Wasser und zeitweise in Luft umläuft.

Publications (2)

Publication Number Publication Date
IE32178L IE32178L (en) 1969-01-03
IE32178B1 true IE32178B1 (en) 1973-05-02

Family

ID=4351955

Family Applications (1)

Application Number Title Priority Date Filing Date
IE778/68A IE32178B1 (en) 1967-07-03 1968-07-01 Labyrinth seal for a hydraulic rotary machine

Country Status (9)

Country Link
US (1) US3516757A (xx)
AT (1) AT288285B (xx)
CH (1) CH467941A (xx)
DE (1) DE1750937A1 (xx)
ES (1) ES355708A1 (xx)
FR (1) FR1570899A (xx)
GB (1) GB1226772A (xx)
IE (1) IE32178B1 (xx)
NO (1) NO123276B (xx)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH598487A5 (xx) * 1975-12-02 1978-04-28 Escher Wyss Ag
US4131386A (en) * 1977-05-05 1978-12-26 Sundstrand Corporation Sealing system for centrifugal pump
US4286919A (en) * 1979-12-13 1981-09-01 Hitachi, Ltd. Apparatus for pumping operation of a hydraulic machine having Francis type runner
DE3022861C2 (de) * 1980-06-19 1983-12-08 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen Strömungsmaschine, insbesondere Heißgasturbine, und Verfahren zur selbsttätigen kontinuierlichen Beeinflussung des Labyrinthdichtugsspieles der Strömungsmaschine
US4335886A (en) * 1980-07-22 1982-06-22 Cornell Pump Company Labyrinth seal with current-forming sealing passages
US4459082A (en) * 1981-09-30 1984-07-10 Sundstrand Corporation Self-acting automatic clearance control apparatus for a turbine
US4465284A (en) * 1983-09-19 1984-08-14 General Electric Company Scalloped cooling of gas turbine transition piece frame
DE3512641A1 (de) * 1984-04-12 1985-10-24 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa Mehrstufige, hydraulische maschine
GB2159895B (en) * 1984-06-04 1987-09-16 Gen Electric Stepped-tooth rotating labyrinth seal
US4909706A (en) * 1987-01-28 1990-03-20 Union Carbide Corporation Controlled clearance labyrinth seal
DE19540745A1 (de) * 1995-11-02 1997-05-07 Asea Brown Boveri Verdichterrad-Wellenverbindung
US5975537A (en) * 1997-07-01 1999-11-02 General Electric Company Rotor and stator assembly configured as an aspirating face seal
US6739829B2 (en) * 2002-07-08 2004-05-25 Giw Industries, Inc. Self-compensating clearance seal for centrifugal pumps
NL1024985C2 (nl) * 2003-12-03 2005-09-08 Giw Ind Zelfcompenserende spelingsafdichting voor centrifugaal pompen.
JP4513432B2 (ja) * 2004-07-07 2010-07-28 株式会社日立プラントテクノロジー ターボ型流体機械及びこれに用いる段付シール装置
US7429160B2 (en) * 2006-01-10 2008-09-30 Weir Slurry Group, Inc. Flexible floating ring seal arrangement for rotodynamic pumps
FR2925939A1 (fr) * 2007-12-28 2009-07-03 Alstom Power Hydraulique Sa Machine hydraulique, installation de conversion d'energie comprenant une telle machine et procede d'ajustement d'une telle machine
CN101813101A (zh) * 2010-03-19 2010-08-25 江苏大学 一种固液两相流离心泵密封口环防磨损装置
DE102011008869A1 (de) * 2011-01-18 2012-07-19 Voith Patent Gmbh Wasserturbine oder Pumpturbine oder sonstige hydraulische Maschine
DE102011107829A1 (de) * 2011-07-01 2013-01-03 Voith Patent Gmbh Pumpturbinenanlage
US20140030086A1 (en) * 2012-07-26 2014-01-30 GM Global Technology Operations LLC Centrifugal pump
DE102014224283A1 (de) * 2014-11-27 2016-06-02 Robert Bosch Gmbh Verdichter mit einem Dichtkanal
US10823184B2 (en) * 2016-07-28 2020-11-03 General Electric Company Engine with face seal
CN107762569B (zh) * 2016-08-19 2020-01-14 中国航发商用航空发动机有限责任公司 非接触式篦齿封严结构及航空发动机、燃气轮机
DE102017007860A1 (de) 2017-08-23 2019-02-28 Wilo Se Abdichtung am Saugmund eines Pumpenlaufrades
US10161411B1 (en) * 2017-10-20 2018-12-25 Halliburton Energy Services, Inc. Centrifugal pump sealing surfaces
US10781709B2 (en) * 2018-01-09 2020-09-22 General Electric Company Turbine engine with a seal
CN114033706A (zh) * 2021-11-17 2022-02-11 嘉利特荏原泵业有限公司 一种离心泵

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR599264A (xx) * 1926-01-08
US1823702A (en) * 1928-05-24 1931-09-15 Allis Chalmers Mfg Co Hydraulic machine
FR1074886A (fr) * 1953-02-10 1954-10-11 Neyrpic Ets Perfectionnements aux turbines
CH393091A (de) * 1961-04-05 1965-05-31 Sulzer Ag Wechselweise als Pumpe oder Turbine verwendbare Turbomaschine
US3174719A (en) * 1962-06-12 1965-03-23 Dominion Eng Works Ltd Francis turbines and centrifugal pumps
US3330532A (en) * 1966-03-23 1967-07-11 Baldwin Lima Hamilton Corp Thrust control means for hydraulic machines

Also Published As

Publication number Publication date
AT288285B (de) 1971-02-25
GB1226772A (xx) 1971-03-31
CH467941A (de) 1969-01-31
FR1570899A (xx) 1969-06-13
IE32178L (en) 1969-01-03
US3516757A (en) 1970-06-23
ES355708A1 (es) 1970-03-01
DE1750937A1 (de) 1972-04-06
NO123276B (xx) 1971-10-18

Similar Documents

Publication Publication Date Title
IE32178L (en) Labyrinth seal for a hydraulic rotary machine
GB1224234A (en) Turbines
GB1230529A (xx)
GB1495837A (en) Mechanical seal assemblies
GB1378259A (en) Rotary mechanical seals
GB1241358A (en) Static seal structure
GB1175350A (en) Floating Ring Seal for a Shaft.
GB1314664A (en) Centrifugal pump and seal means therefor
GB1251686A (xx)
GB1294300A (en) Bidirectional hydrodynamic shaft seal
GB1510250A (en) Aerodynamic seal for a rotary machine
GB1451634A (en) Frictionless sealing device operated by pressure medium
GB1094515A (en) Oil seal
GB1161159A (en) Clearance Seal in a Fluid-Flow Machine.
GB1385614A (en) Rotary fluid-pressure motor or engine
GB1470746A (en) Sealing arrangement for brake housing
GB1456557A (en) Radial piston hydraulic machine
GB1037797A (en) Shaft seal
ATE50339T1 (de) Mit abdichtsegmenten versehene labyrinthdichtung fuer hydraulische stroemungsmaschinen.
SE8303856D0 (sv) Glidringstetning
GB813958A (en) Seal for rotating machinery
GB1350752A (en) Rotary shaft seal
GB1119749A (en) Rotary seals
JPS5257410A (en) Leakage sealing mechanism for axial fluid machine
ES300773A1 (es) Una maquina hidraulica rotativa