AT288285B - Labyrinth seal on a hydraulic centrifugal machine, the rotor of which revolves at times in water and at times in air - Google Patents

Labyrinth seal on a hydraulic centrifugal machine, the rotor of which revolves at times in water and at times in air

Info

Publication number
AT288285B
AT288285B AT592268A AT592268A AT288285B AT 288285 B AT288285 B AT 288285B AT 592268 A AT592268 A AT 592268A AT 592268 A AT592268 A AT 592268A AT 288285 B AT288285 B AT 288285B
Authority
AT
Austria
Prior art keywords
revolves
rotor
air
water
labyrinth seal
Prior art date
Application number
AT592268A
Other languages
German (de)
Original Assignee
Escher Wyss Ag
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 Ag filed Critical Escher Wyss Ag
Application granted granted Critical
Publication of AT288285B publication Critical patent/AT288285B/en

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)
AT592268A 1967-07-03 1968-06-20 Labyrinth seal on a hydraulic centrifugal machine, the rotor of which revolves at times in water and at times in air AT288285B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH943567A CH467941A (en) 1967-07-03 1967-07-03 Labyrinth seal on a hydraulic centrifugal machine, the rotor of which revolves at times in water and at times in air.

Publications (1)

Publication Number Publication Date
AT288285B true AT288285B (en) 1971-02-25

Family

ID=4351955

Family Applications (1)

Application Number Title Priority Date Filing Date
AT592268A AT288285B (en) 1967-07-03 1968-06-20 Labyrinth seal on a hydraulic centrifugal machine, the rotor of which revolves at times in water and at times in air

Country Status (9)

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

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH598487A5 (en) * 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 (en) * 1980-06-19 1983-12-08 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen Turbo machine, in particular hot gas turbine, and method for automatic continuous influencing of the labyrinth seal clearance of the turbo machine
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 (en) * 1984-04-12 1985-10-24 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa Multi-stage, hydraulic machine
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 (en) * 1995-11-02 1997-05-07 Asea Brown Boveri Compressor vane to shaft connection
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 (en) * 2003-12-03 2005-09-08 Giw Ind Self-compensating clearance seal for centrifugal pumps.
JP4513432B2 (en) * 2004-07-07 2010-07-28 株式会社日立プラントテクノロジー Turbo fluid machine and stepped seal device used therefor
US7429160B2 (en) * 2006-01-10 2008-09-30 Weir Slurry Group, Inc. Flexible floating ring seal arrangement for rotodynamic pumps
FR2925939A1 (en) * 2007-12-28 2009-07-03 Alstom Power Hydraulique Sa HYDRAULIC MACHINE, ENERGY CONVERSION INSTALLATION COMPRISING SUCH A MACHINE AND METHOD OF ADJUSTING SUCH A MACHINE
CN101813101A (en) * 2010-03-19 2010-08-25 江苏大学 Anti-abrasion device of sealing opening ring of solid-liquid two-phase flow centrifugal pump
DE102011008869A1 (en) * 2011-01-18 2012-07-19 Voith Patent Gmbh Hydro turbine or pump turbine or other hydraulic machine
DE102011107829A1 (en) * 2011-07-01 2013-01-03 Voith Patent Gmbh Pump turbine plant
US20140030086A1 (en) * 2012-07-26 2014-01-30 GM Global Technology Operations LLC Centrifugal pump
DE102014224283A1 (en) * 2014-11-27 2016-06-02 Robert Bosch Gmbh Compressor with a sealing channel
US10823184B2 (en) * 2016-07-28 2020-11-03 General Electric Company Engine with face seal
CN107762569B (en) * 2016-08-19 2020-01-14 中国航发商用航空发动机有限责任公司 Non-contact type labyrinth sealing structure, aircraft engine and gas turbine
DE102017007860A1 (en) 2017-08-23 2019-02-28 Wilo Se Sealing at the suction mouth of a pump impeller
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 (en) * 2021-11-17 2022-02-11 嘉利特荏原泵业有限公司 a centrifugal pump

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR599264A (en) * 1926-01-08
US1823702A (en) * 1928-05-24 1931-09-15 Allis Chalmers Mfg Co Hydraulic machine
FR1074886A (en) * 1953-02-10 1954-10-11 Neyrpic Ets Turbine improvements
CH393091A (en) * 1961-04-05 1965-05-31 Sulzer Ag Turbomachine that can be used alternately as a pump or turbine
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
FR1570899A (en) 1969-06-13
CH467941A (en) 1969-01-31
US3516757A (en) 1970-06-23
DE1750937A1 (en) 1972-04-06
NO123276B (en) 1971-10-18
ES355708A1 (en) 1970-03-01
IE32178B1 (en) 1973-05-02
IE32178L (en) 1969-01-03
GB1226772A (en) 1971-03-31

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