DE59502855D1 - Kreiselpumpe mit den Rückfluss verhinderndem Ventil - Google Patents

Kreiselpumpe mit den Rückfluss verhinderndem Ventil

Info

Publication number
DE59502855D1
DE59502855D1 DE59502855T DE59502855T DE59502855D1 DE 59502855 D1 DE59502855 D1 DE 59502855D1 DE 59502855 T DE59502855 T DE 59502855T DE 59502855 T DE59502855 T DE 59502855T DE 59502855 D1 DE59502855 D1 DE 59502855D1
Authority
DE
Germany
Prior art keywords
centrifugal pump
backflow preventing
preventing valve
valve
backflow
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.)
Expired - Fee Related
Application number
DE59502855T
Other languages
English (en)
Inventor
Manfred Neuhaus-Melsheimer
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 GmbH
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 GmbH filed Critical Wilo GmbH
Application granted granted Critical
Publication of DE59502855D1 publication Critical patent/DE59502855D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0077—Safety measures
    • F04D15/0083—Protection against sudden pressure change, e.g. check valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/06—Multi-stage pumps
    • F04D1/063—Multi-stage pumps of the vertically split casing type
    • F04D1/066—Multi-stage pumps of the vertically split casing type the casing consisting of a plurality of annuli bolted together

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Check Valves (AREA)
DE59502855T 1994-01-21 1995-01-18 Kreiselpumpe mit den Rückfluss verhinderndem Ventil Expired - Fee Related DE59502855D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4401658A DE4401658A1 (de) 1994-01-21 1994-01-21 Kreiselpumpe mit den Rückfluß verhinderndem Ventil

Publications (1)

Publication Number Publication Date
DE59502855D1 true DE59502855D1 (de) 1998-08-27

Family

ID=6508360

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4401658A Withdrawn DE4401658A1 (de) 1994-01-21 1994-01-21 Kreiselpumpe mit den Rückfluß verhinderndem Ventil
DE59502855T Expired - Fee Related DE59502855D1 (de) 1994-01-21 1995-01-18 Kreiselpumpe mit den Rückfluss verhinderndem Ventil

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4401658A Withdrawn DE4401658A1 (de) 1994-01-21 1994-01-21 Kreiselpumpe mit den Rückfluß verhinderndem Ventil

Country Status (3)

Country Link
EP (1) EP0664398B1 (de)
DE (2) DE4401658A1 (de)
ES (1) ES2119237T3 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19803162A1 (de) * 1998-01-28 1999-07-29 Wilo Gmbh Kreiselmotorpumpe mit Absperrklappe
FR2776342B1 (fr) * 1998-03-18 2001-04-20 Sarl Cg Promo Star Pompe centrifuge a amorcage automatique
DE19851343A1 (de) * 1998-11-06 2000-05-11 Wilo Gmbh Kreiselpumpe mit Absperrklappe
ES1053407Y (es) * 2002-12-18 2003-07-16 Bogemar Sl Electrobomba multicelular.
EP2112380A1 (de) 2008-04-21 2009-10-28 DP Industries B.V. Mehrstufige Kreiselpumpe in Inline-Bauart
WO2014171809A2 (es) * 2013-04-19 2014-10-23 Bombas Internacionales Mexicanas, S.A De C.V. Bomba centrífuga vertical en línea multietapas
EP2916008B1 (de) * 2014-03-07 2020-01-08 CALPEDA S.p.A. Verbesserte elektrische pumpe zum pumpen von flüssigkeiten mit festen verunreinigungen
CN106438377B (zh) * 2016-09-29 2018-11-27 周宁县善长祥农业机械研发有限公司 立式多级双阀离心泵及其使用方法
CN106545496B (zh) * 2016-09-29 2018-11-27 周宁县善长祥农业机械研发有限公司 卧吸式多级管道泵
CN106321448B (zh) * 2016-09-29 2018-06-15 周宁县善长祥农业机械研发有限公司 多级水泵及其使用方法
CN112253471A (zh) * 2020-10-26 2021-01-22 长沙中联泵业股份有限公司 一种高温高压多级泵
CN114233635A (zh) * 2022-02-10 2022-03-25 浙江水泵总厂有限公司 泵体结构及具有其的离心泵
CN117967579A (zh) * 2024-04-01 2024-05-03 烟台大学 一种集液管外置的高压大扬程泵

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2649049A (en) * 1950-05-04 1953-08-18 Mono Products Inc Fluid-shielded dynamoelectric device for immersed pumps and the like
DE1824921U (de) * 1960-11-23 1961-01-12 Ferch & Nabben Vorrichtung zum verhindern der ruecksaugung von fluessigkeiten in rohrleitungen.
DE1528791A1 (de) * 1963-04-19 1969-10-30 Pomorska Odlewnia I Emaliernia Rueckschlagventil fuer Tiefbrunnenpumpen
US3664759A (en) * 1970-09-16 1972-05-23 Worthington Corp Self-adjusting backflow preventor for centrifugal pumps
US4244675A (en) * 1979-04-30 1981-01-13 Worthington Pump, Inc. Multi-stage barrel type centrifugal pump with resilient compensator means for maintaining the seals between interstage pumping assemblies
DE8334283U1 (de) * 1983-11-30 1984-03-01 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Rueckschlagventil
US4565214A (en) * 1984-06-04 1986-01-21 Dover Corporation Flapper check valve assembly
ES8706248A1 (es) * 1985-01-18 1987-05-16 Andren Christopher Erik Valvula automatica de fluido
DE8612405U1 (de) * 1986-05-05 1986-07-31 Guss- Und Armaturwerk Kaiserslautern Nachf. Karl Billand, 6750 Kaiserslautern Vorrichtung zur Verbindung der Druckleitung einer Pumpe in einer Abwasser-Hebeanlage mit einer pumpenseitigen Rohrleitung
DE3729673A1 (de) * 1987-09-04 1989-03-23 Grundfos Int Mehrstufige kreiselpumpe
FR2637024B1 (fr) * 1988-09-23 1994-04-01 Olaer Industries Installation de pompage, en particulier pour irrigation
FR2661218B1 (fr) * 1990-04-24 1992-07-31 Salmson Pompes Ensemble de pompe centrifuge verticale.
DE9310091U1 (de) * 1993-07-07 1993-09-23 Hartlage Gmbh & Co Kg J Vertikale kreiselpumpe

Also Published As

Publication number Publication date
EP0664398B1 (de) 1998-07-22
DE4401658A1 (de) 1995-07-27
EP0664398A1 (de) 1995-07-26
ES2119237T3 (es) 1998-10-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee