AT282502B - Gap sealing between a rotating and a stationary part of turbomachines, especially of water turbines and centrifugal pumps - Google Patents

Gap sealing between a rotating and a stationary part of turbomachines, especially of water turbines and centrifugal pumps

Info

Publication number
AT282502B
AT282502B AT567167A AT567167A AT282502B AT 282502 B AT282502 B AT 282502B AT 567167 A AT567167 A AT 567167A AT 567167 A AT567167 A AT 567167A AT 282502 B AT282502 B AT 282502B
Authority
AT
Austria
Prior art keywords
turbomachines
rotating
stationary part
centrifugal pumps
gap sealing
Prior art date
Application number
AT567167A
Other languages
German (de)
Original Assignee
Voith Gmbh J M
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 Voith Gmbh J M filed Critical Voith Gmbh J M
Application granted granted Critical
Publication of AT282502B publication Critical patent/AT282502B/en

Links

Classifications

    • 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
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
AT567167A 1966-06-21 1967-06-19 Gap sealing between a rotating and a stationary part of turbomachines, especially of water turbines and centrifugal pumps AT282502B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEV0031313 1966-06-21

Publications (1)

Publication Number Publication Date
AT282502B true AT282502B (en) 1970-06-25

Family

ID=7586335

Family Applications (1)

Application Number Title Priority Date Filing Date
AT567167A AT282502B (en) 1966-06-21 1967-06-19 Gap sealing between a rotating and a stationary part of turbomachines, especially of water turbines and centrifugal pumps

Country Status (5)

Country Link
AT (1) AT282502B (en)
CH (1) CH464699A (en)
DE (1) DE1551223A1 (en)
ES (1) ES342002A1 (en)
GB (1) GB1161159A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107690542A (en) * 2015-06-05 2018-02-13 丹佛斯商用压缩机公司 Fluid machine with labyrinth sealing

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4335886A (en) * 1980-07-22 1982-06-22 Cornell Pump Company Labyrinth seal with current-forming sealing passages
DE3107685C2 (en) * 1981-02-28 1984-03-01 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Centrifugal pump impeller with gap seal
PT1059455E (en) * 1998-10-30 2004-09-30 Yangjiang New Yuehua Stainless CENTRIFUGAL PUMP FORMED BY PRESSURE AND WELDING AND ITS MANUFACTURING PROCESSES
DE102005036668B3 (en) * 2005-08-04 2006-11-30 Voith Siemens Hydro Power Generation Gmbh & Co. Kg Hydraulic machine for use as water or pump turbine has a labyrinth seal with an annular chambers, annular gap channels and connecting channels
US20110280715A1 (en) * 2010-05-11 2011-11-17 General Electric Company Curved labyrinth seals
DE102011008869A1 (en) 2011-01-18 2012-07-19 Voith Patent Gmbh Hydro turbine or pump turbine or other hydraulic machine
GB201902347D0 (en) 2019-02-21 2019-04-10 Cummins Ltd Seal assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107690542A (en) * 2015-06-05 2018-02-13 丹佛斯商用压缩机公司 Fluid machine with labyrinth sealing
US10281046B2 (en) 2015-06-05 2019-05-07 Danfoss Commercial Compressors Fluid machine having a labyrinth seal

Also Published As

Publication number Publication date
ES342002A1 (en) 1968-07-16
GB1161159A (en) 1969-08-13
DE1551223A1 (en) 1970-02-12
CH464699A (en) 1968-10-31

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee