EP2322803A3 - Pump with a magnetic coupling - Google Patents

Pump with a magnetic coupling Download PDF

Info

Publication number
EP2322803A3
EP2322803A3 EP10190314.4A EP10190314A EP2322803A3 EP 2322803 A3 EP2322803 A3 EP 2322803A3 EP 10190314 A EP10190314 A EP 10190314A EP 2322803 A3 EP2322803 A3 EP 2322803A3
Authority
EP
European Patent Office
Prior art keywords
pump
magnetic coupling
fluid
suction chamber
flow
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
EP10190314.4A
Other languages
German (de)
French (fr)
Other versions
EP2322803B1 (en
EP2322803A2 (en
Inventor
Frank Holz
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.)
Leistritz Pumpen GmbH
Original Assignee
Leistritz Pumpen 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 Leistritz Pumpen GmbH filed Critical Leistritz Pumpen GmbH
Publication of EP2322803A2 publication Critical patent/EP2322803A2/en
Publication of EP2322803A3 publication Critical patent/EP2322803A3/en
Application granted granted Critical
Publication of EP2322803B1 publication Critical patent/EP2322803B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
    • 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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
    • F04C15/0069—Magnetic couplings
    • 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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0096—Heating; Cooling
    • 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/021—Units comprising pumps and their driving means containing a coupling
    • F04D13/024—Units comprising pumps and their driving means containing a coupling a magnetic coupling
    • F04D13/027—Details of the magnetic circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
    • F04D29/588—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine

Abstract

Pumpe (13) mit einer Magnetkupplung, umfassend eine in einem Pumpengehäuse (14) drehbar gelagerte Rotorwelle (15), die ein Laufrad oder eine Spindel (16) zum Fördern eines Fluids von einem Saugraum (17) in einen Druckraum (18) sowie einen in einem von dem Fluid durchströmten Spalttopf (20) angeordneten Rotor (21) mit einem Innenmagnet trägt, der über das magnetische Feld eines Außenmagnets in Drehung versetzbar ist, dadurch gekennzeichnet, dass der Saugraum (17) und der Spalttopf (20) über eine von dem Fluid durchströmbare Leitung (29) miteinander verbunden sind.

Figure imgaf001
A pump (13) having a magnetic coupling, comprising a rotor shaft (15) rotatably mounted in a pump housing (14) and containing an impeller or a spindle (16) for conveying a fluid from a suction chamber (17) into a pressure chamber (18) and a in a fluid-flow through a split pot (20) arranged rotor (21) carries with an inner magnet, which is set over the magnetic field of an outer magnet in rotation, characterized in that the suction chamber (17) and the containment shell (20) via one of the fluid flow-through line (29) are interconnected.
Figure imgaf001
EP10190314.4A 2009-11-11 2010-11-08 Pump with a magnetic coupling Active EP2322803B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009052856A DE102009052856B3 (en) 2009-11-11 2009-11-11 Pump i.e. screw pump, has magnetic clutch provided with rotor shaft that is rotatably supported by pump housing, and suction chamber and slit pot connected with each other over line by fluid

Publications (3)

Publication Number Publication Date
EP2322803A2 EP2322803A2 (en) 2011-05-18
EP2322803A3 true EP2322803A3 (en) 2014-09-03
EP2322803B1 EP2322803B1 (en) 2020-05-06

Family

ID=42538772

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10190314.4A Active EP2322803B1 (en) 2009-11-11 2010-11-08 Pump with a magnetic coupling

Country Status (3)

Country Link
EP (1) EP2322803B1 (en)
DE (1) DE102009052856B3 (en)
ES (1) ES2796658T3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013206141A1 (en) 2013-04-08 2014-10-09 Schaeffler Technologies Gmbh & Co. Kg Media-lubricated rolling bearing
DE102016120579B3 (en) * 2016-10-27 2018-04-05 Klaus Union Gmbh & Co. Kg Horizontally split screw pump
EP3567333A1 (en) * 2018-05-09 2019-11-13 Linde Aktiengesellschaft Drive device for a cleaning device for a heat exchanger
DE102018113950A1 (en) 2018-06-12 2019-12-12 Geomar Helmholtz-Zentrum Für Ozeanforschung Kiel Device for non-contact transmission of rotational movements
DE102021133106A1 (en) 2021-12-14 2023-06-15 Leistritz Pumpen Gmbh screw pump

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5165868A (en) * 1991-04-29 1992-11-24 Tuthill Corporation Magnetically driven pump
US6039827A (en) * 1996-10-30 2000-03-21 Imo Industries, Inc. Method of making composite barrier can for a magnetic coupling by filament winding
DE10024953A1 (en) * 2000-05-22 2001-11-29 Richter Chemie Tech Itt Gmbh Centrifugal pump with magnetic coupling
US20040105768A1 (en) * 2002-11-27 2004-06-03 Cameron Donald B. Internal recirculation for magnetically coupled positive displacement pumps

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8906020U1 (en) * 1989-05-13 1989-06-29 Rheinhuette Gmbh & Co., 6200 Wiesbaden, De
JP3346698B2 (en) * 1996-03-18 2002-11-18 株式会社荏原製作所 High temperature motor pump and its operation method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5165868A (en) * 1991-04-29 1992-11-24 Tuthill Corporation Magnetically driven pump
US6039827A (en) * 1996-10-30 2000-03-21 Imo Industries, Inc. Method of making composite barrier can for a magnetic coupling by filament winding
DE10024953A1 (en) * 2000-05-22 2001-11-29 Richter Chemie Tech Itt Gmbh Centrifugal pump with magnetic coupling
US20040105768A1 (en) * 2002-11-27 2004-06-03 Cameron Donald B. Internal recirculation for magnetically coupled positive displacement pumps

Also Published As

Publication number Publication date
EP2322803B1 (en) 2020-05-06
EP2322803A2 (en) 2011-05-18
ES2796658T3 (en) 2020-11-27
DE102009052856B3 (en) 2010-09-09

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