DE29912577U1 - Containment pump - Google Patents

Containment pump

Info

Publication number
DE29912577U1
DE29912577U1 DE29912577U DE29912577U DE29912577U1 DE 29912577 U1 DE29912577 U1 DE 29912577U1 DE 29912577 U DE29912577 U DE 29912577U DE 29912577 U DE29912577 U DE 29912577U DE 29912577 U1 DE29912577 U1 DE 29912577U1
Authority
DE
Germany
Prior art keywords
pump
rotor
magnetic
projection
axial
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
DE29912577U
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.)
SPECK PUMPENFABRIK WALTER SPEC
Original Assignee
SPECK PUMPENFABRIK WALTER SPEC
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 SPECK PUMPENFABRIK WALTER SPEC filed Critical SPECK PUMPENFABRIK WALTER SPEC
Priority to DE29912577U priority Critical patent/DE29912577U1/en
Publication of DE29912577U1 publication Critical patent/DE29912577U1/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
    • F04D29/04Shafts or bearings, or assemblies thereof
    • F04D29/046Bearings
    • F04D29/047Bearings hydrostatic; hydrodynamic
    • 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
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/021Units comprising pumps and their driving means containing a coupling
    • F04D13/024Units comprising pumps and their driving means containing a coupling a magnetic coupling
    • F04D13/025Details of the can separating the pump and drive area
    • 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
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/021Units comprising pumps and their driving means containing a coupling
    • F04D13/024Units comprising pumps and their driving means containing a coupling a magnetic coupling
    • F04D13/026Details of the bearings
    • 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
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven

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 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 (10)

1. Spalttopfpumpe mit Magnetkupplungsantrieb zum Fördern von Fluiden, mit
einer motorgetriebenen, drehbar angeordneten, topfförmigen Antriebseinheit, welche wenigstens ein äußeres Magnetelement aufweist,
einem drehbaren Läufer, der wenigstens ein Laufrad und wenigstens ein mit dem Laufrad drehfest verbundenes inneres Magnetelement aufweist, und
einem drehfesten Spalttopf, der die Antriebseinheit, welche den Spalttopf umgreift, dicht von dem Läufer und dem durch den Läufer zu fördernden Fluid trennt und der eine magnetische Kupplung des äußeren mit dem inneren Magnetelement ermöglicht, dadurch gekennzeichnet, daß der Spalttopf (15) einen axialen, zylindrischen Vorsprung (33) aufweist, der in eine, in dem inneren Magnetelement (24) ausgesparte axiale Ausnehmung (31) eingreift, wobei der Innendurchmesser der Ausnehmung (31) im wesentlichen dem Außendurchmesser des Vorsprungs (33) entspricht, so daß eine zylindrischen Kontaktfläche (34) zwischen dem Vorsprung (33) und der Ausnehmung (31) eine Gleitlagerung für den Läufer (28) bildet.
1. containment pump with magnetic coupling drive for conveying fluids, with
a motor-driven, rotatably arranged, pot-shaped drive unit, which has at least one outer magnetic element,
a rotatable rotor which has at least one impeller and at least one inner magnetic element connected in a rotationally fixed manner to the impeller, and
a non-rotatable can, which tightly separates the drive unit, which surrounds the can, from the rotor and the fluid to be conveyed by the rotor and which enables a magnetic coupling of the outer and the inner magnetic element, characterized in that the can ( 15 ) has an axial , Has a cylindrical projection ( 33 ) which engages in an, in the inner magnetic element ( 24 ) recessed axial recess ( 31 ), the inner diameter of the recess ( 31 ) corresponds substantially to the outer diameter of the projection ( 33 ), so that a cylindrical Contact surface ( 34 ) between the projection ( 33 ) and the recess ( 31 ) forms a sliding bearing for the rotor ( 28 ).
2. Pumpe gemäß Anspruch 1, dadurch gekennzeichnet, daß der Vorsprung (33) im Bereich der Kontaktfläche (34) eine Keramikhülse (35), insbesondere eine Hülse aus Siliziumcarbid, aufweist.2. Pump according to claim 1, characterized in that the projection ( 33 ) in the region of the contact surface ( 34 ) has a ceramic sleeve ( 35 ), in particular a sleeve made of silicon carbide.
3. Pumpe gemäß einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß der Spalttopf (15) einstückig mit einer die Pumpe (10) und den Motor (17) verbindenden Laterne (16) ausgebildet ist.3. Pump according to one of claims 1 or 2, characterized in that the containment shell ( 15 ) is integrally formed with a lantern ( 16 ) connecting the pump ( 10 ) and the motor ( 17 ).
4. Pumpe gemäß einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Spalttopf (15) aus einem verstärkten Kunststoffmaterial, insbesondere aus einem glasfaser- oder kohlefaserverstärkten, thermoplastischen Kunststoffmaterial besteht.4. Pump according to one of claims 1 to 3, characterized in that the containment shell ( 15 ) consists of a reinforced plastic material, in particular of a glass fiber or carbon fiber reinforced, thermoplastic material.
5. Pumpe gemäß einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß auf der Innenseite des Bodens (32) des Spalttopfes (15) radiale Rillen (37) vorgesehen sind. 5. Pump according to one of claims 1 to 4, characterized in that on the inside of the bottom ( 32 ) of the containment shell ( 15 ) radial grooves ( 37 ) are provided.
6. Pumpe gemäß einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Läufer (28) axial an der Stirnseite des Vorsprungs (33) befestigt ist.6. Pump according to one of claims 1 to 5, characterized in that the rotor ( 28 ) is fixed axially on the end face of the projection ( 33 ).
7. Pumpe gemäß Anspruch 6, dadurch gekennzeichnet, daß der Vorsprung (33) an seiner Stirnseite durch einen Axialzapfen (38) verlängert ist, auf dem der Läufer (28) mit axialem Spiel drehbar montiert ist.7. Pump according to claim 6, characterized in that the projection ( 33 ) is extended on its end face by an axial pin ( 38 ) on which the rotor ( 28 ) is rotatably mounted with axial play.
8. Pumpe gemäß Anspruch 7, dadurch gekennzeichnet, daß die axiale Festlegung des Läufers (28) durch eine in den Axialzapfen (38) eingreifende Befestigungsschraube (39) erfolgt.8. Pump according to claim 7, characterized in that the axial fixing of the rotor ( 28 ) by a in the axial pin ( 38 ) engaging fastening screw ( 39 ).
9. Pumpe gemäß einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß der Läufer (28) einstückig ausgebildet ist, wobei das Laufrad (27) aus einem thermoplastischen Material besteht und an das innere Magnetelement (24) angespritzt ist.9. Pump according to one of claims 1 to 8, characterized in that the rotor ( 28 ) is integrally formed, wherein the impeller ( 27 ) consists of a thermoplastic material and is molded onto the inner magnetic element ( 24 ).
10. Pumpe gemäß einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die Pumpe eine Kreiselpumpe, insbesondere eine Kreiselpumpe mit einem axialen Ansaugstutzen (13) ist.10. Pump according to one of claims 1 to 9, characterized in that the pump is a centrifugal pump, in particular a centrifugal pump with an axial suction nozzle ( 13 ).
DE29912577U 1999-07-20 1999-07-20 Containment pump Expired - Lifetime DE29912577U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29912577U DE29912577U1 (en) 1999-07-20 1999-07-20 Containment pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29912577U DE29912577U1 (en) 1999-07-20 1999-07-20 Containment pump

Publications (1)

Publication Number Publication Date
DE29912577U1 true DE29912577U1 (en) 2000-11-30

Family

ID=8076338

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29912577U Expired - Lifetime DE29912577U1 (en) 1999-07-20 1999-07-20 Containment pump

Country Status (1)

Country Link
DE (1) DE29912577U1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004013081U1 (en) * 2004-08-20 2006-01-05 Speck-Pumpen Walter Speck Gmbh & Co. Kg Compact pump motor system with reduced friction wear with a synchronous motor comprising a fixed stator outside the sealing housing and with permanent magnet elements on the stator and rotor
EP1635441A2 (en) * 2004-09-14 2006-03-15 Dana Automotive Limited Method of making a rotor for an electric motor
CN103452858A (en) * 2013-08-27 2013-12-18 华纳圣龙(宁波)有限公司 Electronic automobile cooling water pump
CN104533807A (en) * 2014-12-17 2015-04-22 哈尔滨电气动力装备有限公司 Auxiliary impeller hydraulic model testing device
EP2813709A4 (en) * 2012-02-06 2016-01-06 Medtech Heart Inc Blood pump
EP3693606A1 (en) * 2019-02-08 2020-08-12 HMD Seal/Less Pumps Limited Containment shell for magnetic pump

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7524717U (en) * 1975-08-04 1975-12-11 Klaus Franz Canned centrifugal pump
DE2818741A1 (en) * 1977-05-06 1978-11-09 Siebec Filtres CENTRIFUGAL PUMP WITH MAGNETIC DRIVE
US4152099A (en) * 1977-05-31 1979-05-01 Milton Roy Company Magnetically coupled pump and impeller assembly therefor
DE3630921A1 (en) * 1986-09-11 1988-03-24 Vdo Schindling Centrifugal pump

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7524717U (en) * 1975-08-04 1975-12-11 Klaus Franz Canned centrifugal pump
DE2818741A1 (en) * 1977-05-06 1978-11-09 Siebec Filtres CENTRIFUGAL PUMP WITH MAGNETIC DRIVE
US4152099A (en) * 1977-05-31 1979-05-01 Milton Roy Company Magnetically coupled pump and impeller assembly therefor
DE3630921A1 (en) * 1986-09-11 1988-03-24 Vdo Schindling Centrifugal pump

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004013081U1 (en) * 2004-08-20 2006-01-05 Speck-Pumpen Walter Speck Gmbh & Co. Kg Compact pump motor system with reduced friction wear with a synchronous motor comprising a fixed stator outside the sealing housing and with permanent magnet elements on the stator and rotor
EP1635441A2 (en) * 2004-09-14 2006-03-15 Dana Automotive Limited Method of making a rotor for an electric motor
EP1635441A3 (en) * 2004-09-14 2007-07-18 Dana Automotive Limited Method of making a rotor for an electric motor
EP2813709A4 (en) * 2012-02-06 2016-01-06 Medtech Heart Inc Blood pump
US9592326B2 (en) 2012-02-06 2017-03-14 Medtech Heart Inc. Blood pump
CN103452858A (en) * 2013-08-27 2013-12-18 华纳圣龙(宁波)有限公司 Electronic automobile cooling water pump
CN103452858B (en) * 2013-08-27 2016-05-18 华纳圣龙(宁波)有限公司 Automotive electronics cooling water pump
CN104533807A (en) * 2014-12-17 2015-04-22 哈尔滨电气动力装备有限公司 Auxiliary impeller hydraulic model testing device
EP3693606A1 (en) * 2019-02-08 2020-08-12 HMD Seal/Less Pumps Limited Containment shell for magnetic pump

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Legal Events

Date Code Title Description
R163 Identified publications notified
R207 Utility model specification

Effective date: 20010104

R156 Lapse of ip right after 3 years

Effective date: 20030201