ATE137565T1 - Kreiselpumpe mit abdichtungsmitteln - Google Patents

Kreiselpumpe mit abdichtungsmitteln

Info

Publication number
ATE137565T1
ATE137565T1 AT91308099T AT91308099T ATE137565T1 AT E137565 T1 ATE137565 T1 AT E137565T1 AT 91308099 T AT91308099 T AT 91308099T AT 91308099 T AT91308099 T AT 91308099T AT E137565 T1 ATE137565 T1 AT E137565T1
Authority
AT
Austria
Prior art keywords
vacuum pump
centrifugal
side walls
pump
rotor
Prior art date
Application number
AT91308099T
Other languages
English (en)
Inventor
Harold Haavik
Tapio Peroaho
Reijo Vesala
Vesa Vikman
Original Assignee
Ahlstroem Oy
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24316755&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE137565(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ahlstroem Oy filed Critical Ahlstroem Oy
Application granted granted Critical
Publication of ATE137565T1 publication Critical patent/ATE137565T1/de

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C19/00—Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/02—Liquid sealing for high-vacuum pumps or for compressors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
    • F04D7/045—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous with means for comminuting, mixing stirring or otherwise treating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2220/00—Application
    • F04C2220/20—Pumps with means for separating and evacuating the gaseous phase
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2210/00—Working fluid
    • F05B2210/10—Kind or type
    • F05B2210/13—Kind or type mixed, e.g. two-phase fluid
    • F05B2210/132—Pumps with means for separating and evacuating the gaseous phase

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
AT91308099T 1990-09-07 1991-09-04 Kreiselpumpe mit abdichtungsmitteln ATE137565T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/579,403 US5114310A (en) 1990-09-07 1990-09-07 Centrifugal pump with sealing means

Publications (1)

Publication Number Publication Date
ATE137565T1 true ATE137565T1 (de) 1996-05-15

Family

ID=24316755

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91308099T ATE137565T1 (de) 1990-09-07 1991-09-04 Kreiselpumpe mit abdichtungsmitteln

Country Status (5)

Country Link
US (1) US5114310A (de)
EP (1) EP0481598B2 (de)
AT (1) ATE137565T1 (de)
DE (1) DE69119183T3 (de)
ES (1) ES2087249T5 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5413460A (en) * 1993-06-17 1995-05-09 Goulds Pumps, Incorporated Centrifugal pump for pumping fiber suspensions
CH689004A5 (de) * 1993-07-16 1998-07-15 Staehle Martin Kreiselpumpe.
FI97332B (fi) * 1993-12-23 1996-08-30 Pom Technology Oy Ab Laite ja menetelmä kaasun ja nesteen muodostaman seoksen pumppaamiseksi ja erottamiseksi
EP0713978B1 (de) * 1994-11-25 1999-08-04 Fujikoki Mfg. Co., Ltd. Abflusspumpe
CZ288618B6 (cs) * 1995-06-05 2001-08-15 Sulzer Pumpen Ag Způsob ovládání funkce kombinace odstředivého a vakuového čerpadla a odstředivé čerpadlo se separací plynu
US6120252A (en) * 1995-12-27 2000-09-19 Ahlstrom Machinery Corporation Gas separation control in a centrifugal pump/vacuum pump
SE510031C2 (sv) * 1998-06-17 1999-04-12 Sunds Defibrator Ind Ab Centrifugalpump för pumpning av en massasuspention
SE512984C2 (sv) * 1998-10-13 2000-06-12 Valmet Fibertech Ab Massapump
FI111023B (fi) 1998-12-30 2003-05-15 Sulzer Pumpen Ag Menetelmä ja laite materiaalin pumppaamiseksi sekä laitteen yhteydessä käytettävä roottori
SE519641C2 (sv) * 2001-08-08 2003-03-25 Metso Paper Inc Kombinerad centrifugal- och vakuumpump för pumpning av massa
DE102008009647B4 (de) * 2008-02-18 2011-04-14 Christian Dr. Koch Schlammreaktorpumpe zur gleichzeitigen Förderung von Feststoffen, Flüssigkeiten, Dampfen und Gasen
AT510538B1 (de) * 2010-09-27 2013-02-15 Andritz Ag Maschf Zentrifugalpumpe
WO2014205439A1 (en) 2013-06-21 2014-12-24 Flow Control Llc. Debris removing impeller backvane
US10087946B2 (en) * 2016-02-09 2018-10-02 Brunswick Corporation Centrifugal pumps having anti-air-locking features
CN112360749A (zh) * 2020-11-02 2021-02-12 陈志超 一种排液具有滤渣除渣功能的多级离心泵

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR569547A (fr) * 1922-10-30 1924-04-14 Compresseur de gaz
FR852435A (fr) * 1938-04-09 1940-02-01 Burckhardt Ag Maschf Pompe rotative à roue à ailettes, à anneau de liquide, pour milieux gazeux
FR1064243A (fr) * 1952-10-09 1954-05-12 Perfectionnements aux pompes et compresseurs à anneau liquide
US3006533A (en) * 1958-11-07 1961-10-31 Nash Engineering Co Compressor
US3137237A (en) * 1961-08-22 1964-06-16 Wilfley & Sons Inc A Pump sealing apparatus
GB1355193A (en) * 1971-03-26 1974-06-05 Hick Hargreaves & Co Ltd Vacuum pumps of the liquid ring type
FR2185155A5 (de) * 1972-05-18 1973-12-28 Diosgyoeri Gepgyar
US4334830A (en) * 1980-03-24 1982-06-15 The Nash Engineering Company Two-stage liquid ring pump with improved intrastage and interstage sealing means
US4747752A (en) * 1987-04-20 1988-05-31 Somarakis, Inc. Sealing and dynamic operation of a liquid ring pump
US4776758A (en) * 1987-07-06 1988-10-11 Kamyr Ab Combined fluidizing and vacuum pump
US4877368A (en) * 1988-11-08 1989-10-31 A. Ahlstrom Corporation Fluidizing centrifugal pump

Also Published As

Publication number Publication date
DE69119183T2 (de) 1996-08-14
US5114310A (en) 1992-05-19
EP0481598B2 (de) 2003-07-02
ES2087249T5 (es) 2004-04-01
EP0481598A3 (de) 1992-05-06
EP0481598A2 (de) 1992-04-22
DE69119183D1 (de) 1996-06-05
ES2087249T3 (es) 1996-07-16
DE69119183T3 (de) 2004-04-29
EP0481598B1 (de) 1996-05-01

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