DE29906811U1 - Multi-stage centrifugal pump - Google Patents

Multi-stage centrifugal pump

Info

Publication number
DE29906811U1
DE29906811U1 DE29906811U DE29906811U DE29906811U1 DE 29906811 U1 DE29906811 U1 DE 29906811U1 DE 29906811 U DE29906811 U DE 29906811U DE 29906811 U DE29906811 U DE 29906811U DE 29906811 U1 DE29906811 U1 DE 29906811U1
Authority
DE
Germany
Prior art keywords
centrifugal pump
impellers
pump according
housing
housing cover
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 - Lifetime
Application number
DE29906811U
Other languages
German (de)
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.)
Brinkmann Pumpen KH Brinkmann GmbH and Co KG
Original Assignee
Brinkmann Pumpen KH Brinkmann GmbH and Co KG
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 Brinkmann Pumpen KH Brinkmann GmbH and Co KG filed Critical Brinkmann Pumpen KH Brinkmann GmbH and Co KG
Priority to DE29906811U priority Critical patent/DE29906811U1/en
Priority to DE19953911A priority patent/DE19953911A1/en
Publication of DE29906811U1 publication Critical patent/DE29906811U1/en
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
    • F04D29/00Details, component parts, or accessories
    • F04D29/18Rotors
    • F04D29/20Mounting rotors on shafts
    • 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
    • F04D1/06Multi-stage pumps
    • F04D1/063Multi-stage pumps of the vertically split casing type
    • 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
    • F04D29/18Rotors
    • F04D29/185Rotors consisting of a plurality of wheels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00Materials; Properties thereof
    • F05D2300/40Organic materials
    • F05D2300/43Synthetic polymers, e.g. plastics; Rubber

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (12)

1. Kreiselpumpe mit mindestens zwei koaxial angeordneten Laufrändern (24, 26, 28, 30), die durch eine gemeinsame Welle (22) angetrieben sind, dadurch ge­ kennzeichnet, daß mindestens eines (24, 26, 28) der Laufräder mittelbar über ein anderes (30) der Laufräder angetrieben ist.1. Centrifugal pump with at least two coaxially arranged rims ( 24 , 26 , 28 , 30 ) which are driven by a common shaft ( 22 ), characterized in that at least one ( 24 , 26 , 28 ) of the impellers indirectly via another ( 30 ) the impellers are driven. 2. Kreiselpumpe nach Anspruch 1, dadurch gekennzeichnet, daß mindestens zwei der Laufräder über Zapfen (72) und Ausnehmungen (66) formschlüssig mit­ einander in Antriebseingriff stehen.2. Centrifugal pump according to claim 1, characterized in that at least two of the impellers via pins ( 72 ) and recesses ( 66 ) are positively engaged with each other in drive engagement. 3. Kreiselpumpe nach Anspruch 2, dadurch gekennzeichnet, daß die Ausneh­ mungen (66) als längsverlaufende, an einem Ende offene Nuten in der inneren Umfangsfläche eines Nabenabschnitts (64) des einen Laufrades und die Zapfen (72) an der Stirnfläche eines Fortsatzes (68) der Nabe des anderen Laufrades ausgebildet sind.3. Centrifugal pump according to claim 2, characterized in that the Ausneh lines ( 66 ) as a longitudinal, open at one end grooves in the inner peripheral surface of a hub portion ( 64 ) of an impeller and the pin ( 72 ) on the end face of an extension ( 68 ) the hub of the other impeller are formed. 4. Kreiselpumpe nach einem der vorstehenden Ansprüche, dadurch gekenn­ zeichnet, daß mindestens zwei Laufräder (26, 28, 30) eine identische Form ha­ ben.4. Centrifugal pump according to one of the preceding claims, characterized in that at least two impellers ( 26 , 28 , 30 ) have an identical shape. 5. Kreiselpumpe nach einem der vorstehenden Ansprüche, dadurch gekenn­ zeichnet, daß die Laufräder (24, 26, 28, 30) als Formteile ausgebildet sind.5. Centrifugal pump according to one of the preceding claims, characterized in that the impellers ( 24 , 26 , 28 , 30 ) are designed as molded parts. 6. Kreiselpumpe nach Anspruch 5, dadurch gekennzeichnet, daß die Laufrä­ der als Kunststoff-Spritzteile ausgebildet sind.6. Centrifugal pump according to claim 5, characterized in that the Laufrä which are designed as molded plastic parts. 7. Kreiselpumpe nach einem der vorstehenden Ansprüche, dadurch gekenn­ zeichnet, daß die Welle (22) aus Metall besteht.7. Centrifugal pump according to one of the preceding claims, characterized in that the shaft ( 22 ) consists of metal. 8. Kreiselpumpe nach einem der vorstehenden Ansprüche, dadurch gekenn­ zeichnet, daß die mittelbar angetriebenen Laufräder (24, 26, 28) jeweils auf ei­ nem glatten Abschnitt der Welle (22) sitzen.8. Centrifugal pump according to one of the preceding claims, characterized in that the indirectly driven impellers ( 24 , 26 , 28 ) each sit on a smooth portion of the shaft ( 22 ). 9. Kreiselpumpe nach Anspruch 8, dadurch gekennzeichnet, daß die auf der gemeinsamen Welle (22) angeordneten Laufräder (24, 26, 28, 30) axial miteinan­ der verspannt sind. 9. Centrifugal pump according to claim 8, characterized in that the on the common shaft ( 22 ) arranged impellers ( 24 , 26 , 28 , 30 ) are axially braced miteinan. 10. Kreiselpumpe nach einem der vorstehenden Ansprüche, dadurch gekenn­ zeichnet, daß das Pumpengehäuse (10) ein oder mehrere vorzugsweise form­ identische Gehäusesegmente (44) aufweist, die durch Bajonettverschlüsse (48) miteinander und/oder mit einem unteren (42) oder oberen Gehäusedeckel (46) verbunden sind.10. Centrifugal pump according to one of the preceding claims, characterized in that the pump housing ( 10 ) has one or more preferably form-identical housing segments ( 44 ) by bayonet closures ( 48 ) with each other and / or with a lower ( 42 ) or upper housing cover ( 46 ) are connected. 11. Kreiselpumpe nach Anspruch 10, dadurch gekennzeichnet, daß jede Pum­ penkammer (52) durch eine Kanalplatte (56) abgeschlossen ist, die am äußeren Umfang einen umlaufenden Auslaufkanal (58) mit in Rotationsrichtung der Laufräder ansteigender Höhe bildet, und daß die Kanalplatten (56) jeweils in ei­ nes der Gehäusesegmente (44) oder den oberen Gehäusedeckel (46) eingelegt sind und sich axial an diesem Gehäusesegment oder Gehäusedeckel sowie am nächsttieferen Gehäusesegment (44) oder dem unteren Gehäusedeckel (42) ab­ stützen.11. Centrifugal pump according to claim 10, characterized in that each pump chamber ( 52 ) is closed by a channel plate ( 56 ) which on the outer circumference forms a circumferential outlet channel ( 58 ) with increasing height in the direction of rotation of the impellers, and in that the channel plates ( 56 ) are each inserted into one of the housing segments ( 44 ) or the upper housing cover ( 46 ) and are supported axially on this housing segment or housing cover and on the next lower housing segment ( 44 ) or the lower housing cover ( 42 ). 12. Kreiselpumpe nach einem der vorstehenden Ansprüche, dadurch gekenn­ zeichnet, daß die Laufräder (24, 26, 28, 30) jeweils unter Zwischenfügung eines Dichtrings (40) zusammengesteckt sind und daß Pumpenkammern (52), die je­ weils eines der Laufräder aufnehmen, jeweils durch eine Platte (56) abgeschlos­ sen sind, an der der Dichtring (40) abdichtet.12. Centrifugal pump according to one of the preceding claims, characterized in that the impellers ( 24 , 26 , 28 , 30 ) are each put together with the interposition of a sealing ring ( 40 ) and that pump chambers ( 52 ) which each hold one of the impellers, are each closed by a plate ( 56 ) on which the sealing ring ( 40 ) seals.
DE29906811U 1999-04-20 1999-04-20 Multi-stage centrifugal pump Expired - Lifetime DE29906811U1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE29906811U DE29906811U1 (en) 1999-04-20 1999-04-20 Multi-stage centrifugal pump
DE19953911A DE19953911A1 (en) 1999-04-20 1999-11-10 Multistage centrifugal pump has at least one impeller driven by another, and at least two impellers are form-lock interconnected in drive engagement via mating spigots and slots

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29906811U DE29906811U1 (en) 1999-04-20 1999-04-20 Multi-stage centrifugal pump

Publications (1)

Publication Number Publication Date
DE29906811U1 true DE29906811U1 (en) 2000-08-31

Family

ID=8072322

Family Applications (2)

Application Number Title Priority Date Filing Date
DE29906811U Expired - Lifetime DE29906811U1 (en) 1999-04-20 1999-04-20 Multi-stage centrifugal pump
DE19953911A Withdrawn DE19953911A1 (en) 1999-04-20 1999-11-10 Multistage centrifugal pump has at least one impeller driven by another, and at least two impellers are form-lock interconnected in drive engagement via mating spigots and slots

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19953911A Withdrawn DE19953911A1 (en) 1999-04-20 1999-11-10 Multistage centrifugal pump has at least one impeller driven by another, and at least two impellers are form-lock interconnected in drive engagement via mating spigots and slots

Country Status (1)

Country Link
DE (2) DE29906811U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011026678A1 (en) * 2009-09-01 2011-03-10 Robert Bosch Gmbh Two-stage centrifugal pump
CN102852820A (en) * 2011-06-27 2013-01-02 王喜冬 Hard alloy amphibious sand pump capable of being idled and connected in series

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20041875A1 (en) * 2004-10-01 2005-01-01 Perissinotto S P A HIGH PRESSURE CENTRIFUGAL PUMP PARTICULARLY FOR ABRASIVE LIQUIDS
DE102005059636A1 (en) * 2005-12-14 2007-06-21 Pfeiffer Vacuum Gmbh vacuum pump
DE102008005245A1 (en) * 2008-01-19 2009-07-23 Wilo Ag Attachment of the impeller of a centrifugal pump
DE102013225065B4 (en) * 2013-12-06 2016-04-14 Ksb Aktiengesellschaft Pump housing in plastic construction
CN104696271A (en) * 2015-02-16 2015-06-10 溧阳市超强链条制造有限公司 Rotor structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011026678A1 (en) * 2009-09-01 2011-03-10 Robert Bosch Gmbh Two-stage centrifugal pump
CN102852820A (en) * 2011-06-27 2013-01-02 王喜冬 Hard alloy amphibious sand pump capable of being idled and connected in series
CN102852820B (en) * 2011-06-27 2016-01-20 王喜冬 Cemented carbide idle running can be connected amphibious husky pump

Also Published As

Publication number Publication date
DE19953911A1 (en) 2000-11-02

Similar Documents

Publication Publication Date Title
EP2196679B1 (en) Impeller for a radial fan
DE3744766C2 (en)
DE4437935C2 (en) Peripheral pump
CH678969A5 (en)
DE29906811U1 (en) Multi-stage centrifugal pump
DE60102885T2 (en) Wear-resistant fuel pump
CH654379A5 (en) SMALL BLOWER.
DE19921765A1 (en) Side channel machine
DE20303443U1 (en) Radial fan impeller has outer edge sections protruding beyond blade outlet diameter constructed on cover plate and bottom plate and define annular diffusion space with OD which exceeds blade outlet diameter by up to 25 per cent
DE20309621U1 (en) Radial fan for methane blowing has a housing with an axial fan wheel and an air inlet and air exit with a floor area and base surface
DE29819487U1 (en) Ball joint
EP1130269A3 (en) Turbo-molecular pump
DE10019819A1 (en) Pump housing esp. for circulation pump for household machines consists of separate upper and lower sections with intermediate sealing ring loaded in radial direction
DE102007012661B4 (en) A submersible pump unit
DE102007025402B4 (en) Pump for a household appliance
DE20210003U1 (en) Liquid ring pump
DE2125040B2 (en) Centrifugal pump
DE1453708B2 (en) Radial rotary pump impeller
DE639105C (en) Multi-stage centrifugal pump with radial gap sealing surfaces
DE3024600C2 (en) Impeller for centrifugal pumps
DE20214104U1 (en) Side Channel Blowers
DE4239462C1 (en)
DE1453708C (en) Radial centrifugal pump impeller
DE20019988U1 (en) Submersible pump with impeller
DE10125142A1 (en) feed pump

Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20001005

R156 Lapse of ip right after 3 years

Effective date: 20021031