EP0464355A3 - Duplex centrifugal pump - Google Patents

Duplex centrifugal pump Download PDF

Info

Publication number
EP0464355A3
EP0464355A3 EP19910108395 EP91108395A EP0464355A3 EP 0464355 A3 EP0464355 A3 EP 0464355A3 EP 19910108395 EP19910108395 EP 19910108395 EP 91108395 A EP91108395 A EP 91108395A EP 0464355 A3 EP0464355 A3 EP 0464355A3
Authority
EP
European Patent Office
Prior art keywords
side wall
pump housing
centrifugal pump
insert
inlet
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP19910108395
Other languages
English (en)
Other versions
EP0464355A2 (de
EP0464355B1 (de
Inventor
Guenter Strelow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wilo GmbH
Original Assignee
Wilo Werk GmbH and Co
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 Wilo Werk GmbH and Co filed Critical Wilo Werk GmbH and Co
Priority to AT91108395T priority Critical patent/ATE98000T1/de
Publication of EP0464355A2 publication Critical patent/EP0464355A2/de
Publication of EP0464355A3 publication Critical patent/EP0464355A3/de
Application granted granted Critical
Publication of EP0464355B1 publication Critical patent/EP0464355B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/12Combinations of two or more pumps
    • F04D13/14Combinations of two or more pumps the pumps being all of centrifugal type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0072Installation or systems with two or more pumps, wherein the flow path through the stages can be changed, e.g. series-parallel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00Rotary kinetic fluid motors or pumps
    • Y10S415/912Interchangeable parts to vary pumping capacity or size of pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Centrifugal Separators (AREA)
EP91108395A 1990-07-06 1991-05-24 Doppel-Kreiselpumpe Expired - Lifetime EP0464355B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT91108395T ATE98000T1 (de) 1990-07-06 1991-05-24 Doppel-kreiselpumpe.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4021410A DE4021410A1 (de) 1990-07-06 1990-07-06 Doppel-kreiselpumpe
DE4021410 1990-07-06

Publications (3)

Publication Number Publication Date
EP0464355A2 EP0464355A2 (de) 1992-01-08
EP0464355A3 true EP0464355A3 (en) 1992-02-26
EP0464355B1 EP0464355B1 (de) 1993-12-01

Family

ID=6409706

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91108395A Expired - Lifetime EP0464355B1 (de) 1990-07-06 1991-05-24 Doppel-Kreiselpumpe

Country Status (6)

Country Link
US (1) US5178520A (de)
EP (1) EP0464355B1 (de)
KR (1) KR970007394B1 (de)
AT (1) ATE98000T1 (de)
DE (2) DE4021410A1 (de)
ES (1) ES2046823T3 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5474431A (en) * 1993-11-16 1995-12-12 Copeland Corporation Scroll machine having discharge port inserts
DE4403697A1 (de) * 1994-02-07 1995-08-10 Wilo Gmbh Doppelpumpe
DE19511027A1 (de) * 1995-03-28 1996-10-02 Wilo Gmbh Kreiselpumpe mit Entlüftung
DE19702477B4 (de) * 1997-01-24 2006-02-02 Wilo Ag Doppelpumpe
DE59910845D1 (de) * 1999-08-21 2004-11-18 Grundfos As Kreiselpumpengehäuse für eine an zwei Umwälzkreise anschliessbare Pumpe
US6543243B2 (en) 2001-06-21 2003-04-08 Visteon Global Technologies, Inc. Hybrid compressor
AU2003200332B2 (en) * 2002-02-08 2005-11-17 Sanden Corporation Hybrid compressor
RU2295063C1 (ru) * 2005-10-03 2007-03-10 Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный институт им. Г.В. Плеханова (технический университет)" Распределительное устройство нагнетательного пульпопровода
FR2893092B1 (fr) * 2005-11-08 2008-10-10 Koyo Hpi Soc Par Actions Simpl Groupe electro-pompe, du type comprenant au moins une pompe hydraulique, notamment a engrenage, entrainee en rotation par un dispositif moteur
US7507066B2 (en) * 2006-03-27 2009-03-24 Koenig Kevin J Pump header body and modular manifold
RU2379555C1 (ru) * 2008-06-27 2010-01-20 Открытое акционерное общество "Татнефть" им. В.Д. Шашина Система транспортирования продукции скважин нефтяного месторождения
RU2415306C1 (ru) * 2009-08-05 2011-03-27 Открытое акционерное общество "Ракетно-космическая корпорация "Энергия" имени С.П. Королева" Блок центробежных вентиляторов
DE102011116957A1 (de) * 2011-10-26 2013-05-02 Vaillant Gmbh Multiple Koaxialpumpe
DE102012204212B4 (de) * 2012-03-16 2024-02-29 Mahle International Gmbh Pumpenmodul mit einem Gehäuse
US9115720B2 (en) 2012-05-04 2015-08-25 Ghsp, Inc. Dual pump and motor with control device
US9562534B2 (en) 2012-05-04 2017-02-07 Ghsp, Inc. In-line dual pump and motor with control device
USD729847S1 (en) * 2013-01-28 2015-05-19 Welco Co., Ltd. Liquid feeder for washing
US9752590B2 (en) * 2013-03-13 2017-09-05 Ghsp, Inc. Two pump design with coplanar interface surface
US9739284B2 (en) * 2013-11-19 2017-08-22 Charles Wayne Zimmerman Two piece impeller centrifugal pump
US10087927B2 (en) 2014-05-01 2018-10-02 Ghsp, Inc. Electric motor with flux collector
US11015585B2 (en) 2014-05-01 2021-05-25 Ghsp, Inc. Submersible pump assembly
US10711788B2 (en) 2015-12-17 2020-07-14 Wayne/Scott Fetzer Company Integrated sump pump controller with status notifications
CA172776S (en) 2017-01-27 2017-10-23 S A Armstrong Ltd Control pump
US11732719B2 (en) 2017-01-27 2023-08-22 S.A. Armstrong Limited Dual body variable duty performance optimizing pump unit
USD893552S1 (en) 2017-06-21 2020-08-18 Wayne/Scott Fetzer Company Pump components
USD890211S1 (en) 2018-01-11 2020-07-14 Wayne/Scott Fetzer Company Pump components
DE102018220150A1 (de) * 2018-11-23 2020-05-28 Mahle International Gmbh Pumpenmodul für Kühlmittel
USD940205S1 (en) * 2019-11-06 2022-01-04 Leistritz Pumpen Gmbh Pump for liquids
RU196491U1 (ru) * 2019-12-18 2020-03-03 Сергей Викторович Яблочко Двухсекционный электронасосный агрегат

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH557473A (de) * 1973-08-28 1974-12-31 Bieri Pumpenbau Ag Pumpenaggregat, insbesondere fuer zentralheizungsanlagen, mit zwei unabhaengig voneinander antreibbaren kreiselpumpen.
DE2808741A1 (de) * 1978-03-01 1979-09-06 Loewe Pumpenfabrik Gmbh Stufengehaeuse fuer kreiselpumpen o.dgl.
DE3624917A1 (de) * 1985-09-21 1987-03-26 Oplaender Wilo Werk Gmbh Kreiselpumpe

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810345A (en) * 1953-02-12 1957-10-22 Flygts Pumpar Ab Pump device
DE1715520U (de) * 1955-11-11 1956-01-19 Kloeckner Humboldt Deutz Ag Feuerloeschkreiselpumpe.
US3500755A (en) * 1968-05-17 1970-03-17 Crane Co Combined drag pump and electric motor
FR2186123A5 (de) * 1972-05-26 1974-01-04 Materiel Telephonique
DE2235505B1 (de) * 1972-07-20 1973-12-20 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Doppelpumpenaggregat
FR2408739A1 (fr) * 1977-11-10 1979-06-08 Materiel Telephonique Dispositif de pompage monobloc a fonctionnement ambivalent
US4178131A (en) * 1978-08-07 1979-12-11 Roy E. Roth Company Centrifugal impellers
US4738584A (en) * 1986-07-28 1988-04-19 Carl Price Multiple impeller pump
US5020420A (en) * 1989-05-16 1991-06-04 Lamar Ellis Vacuum adapter plate
US5076758A (en) * 1990-07-18 1991-12-31 Ingersoll-Rand Company Centrifugal pumps

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH557473A (de) * 1973-08-28 1974-12-31 Bieri Pumpenbau Ag Pumpenaggregat, insbesondere fuer zentralheizungsanlagen, mit zwei unabhaengig voneinander antreibbaren kreiselpumpen.
DE2808741A1 (de) * 1978-03-01 1979-09-06 Loewe Pumpenfabrik Gmbh Stufengehaeuse fuer kreiselpumpen o.dgl.
DE3624917A1 (de) * 1985-09-21 1987-03-26 Oplaender Wilo Werk Gmbh Kreiselpumpe

Also Published As

Publication number Publication date
EP0464355A2 (de) 1992-01-08
DE59100652D1 (de) 1994-01-13
KR970007394B1 (ko) 1997-05-08
ATE98000T1 (de) 1993-12-15
KR920002938A (ko) 1992-02-28
EP0464355B1 (de) 1993-12-01
ES2046823T3 (es) 1994-02-01
US5178520A (en) 1993-01-12
DE4021410A1 (de) 1992-01-16

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