WO2006015571A1 - Pompe a vis sans fin excentrique pourvue d'un dispositif d'entrainement integre - Google Patents

Pompe a vis sans fin excentrique pourvue d'un dispositif d'entrainement integre Download PDF

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Publication number
WO2006015571A1
WO2006015571A1 PCT/DE2005/001251 DE2005001251W WO2006015571A1 WO 2006015571 A1 WO2006015571 A1 WO 2006015571A1 DE 2005001251 W DE2005001251 W DE 2005001251W WO 2006015571 A1 WO2006015571 A1 WO 2006015571A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
screw pump
eccentric screw
pump according
eccentric
Prior art date
Application number
PCT/DE2005/001251
Other languages
German (de)
English (en)
Inventor
Helmut Jaberg
Dirk Schmidt
Ralf Schueler
Thomas Ribbe
Johann Kreidl
Original Assignee
Netzsch-Mohnopumpen 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 Netzsch-Mohnopumpen Gmbh filed Critical Netzsch-Mohnopumpen Gmbh
Priority to JP2007525158A priority Critical patent/JP2008509335A/ja
Priority to DE112005002517T priority patent/DE112005002517A5/de
Priority to EP05768100A priority patent/EP1778980B1/fr
Priority to MXPA06011759A priority patent/MXPA06011759A/es
Priority to BRPI0513307-6A priority patent/BRPI0513307A/pt
Priority to DE502005001849T priority patent/DE502005001849D1/de
Priority to CA002553795A priority patent/CA2553795C/fr
Priority to KR1020067015387A priority patent/KR100874043B1/ko
Publication of WO2006015571A1 publication Critical patent/WO2006015571A1/fr
Priority to US11/617,538 priority patent/US20070104595A1/en

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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • 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
    • 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
    • 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
    • F04C15/008—Prime movers
    • 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
    • F04C2/1071—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 the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type
    • F04C2/1073—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 the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type where one member is stationary while the other member rotates and orbits

Definitions

  • the invention relates to a screw or Exzen ⁇ terschneckenpumpe, as used in particular for the promotion of highly viscous or mixed with solids media.
  • Progressive cavity pumps which correspond to the prior art usually have a fixed outer stator and a rotor running therein.
  • the drive of the rotor usually carried out by an external electric motor, which is connected by means of a joint or bending shaft with the rotor.
  • an external electric motor which is connected by means of a joint or bending shaft with the rotor.
  • worm and eccentric vane pumps since this has no effect on the principle on which the invention is based.
  • a major improvement here is the arrangement of DE 102 51 846 AI.
  • the rotor ei ⁇ ner eccentric screw pump at the same time also part of the engine.
  • the propeller shaft can be unfolded. len.
  • Such an arrangement has the disadvantage that only special, equipped with expensive magnetic materials Roto ⁇ ren can be used.
  • Due to the helical arrangement of the stator results in a relatively complex stator winding, which also leads here to relatively high production costs.
  • EP 0 357 317 B1 discloses a motor which can simultaneously perform a rotational movement and a lifting movement, in conjunction with an eccentric screw pump.
  • an elastic stator without a jacket is used to compensate for the eccentric movement of the worm.
  • this pump is not suitable for high pressures.
  • the invention has for its object to make a Exzen ⁇ terschneckenpumpe such that the torque required to drive the pump without additional, the design of the pump extending means and without shaft seals and shaft bearings are supplied can and at the same time the pump is also suitable for high pressures.
  • the device according to the invention comprises an eccentric worm pump with a stator 2 and a rotor 1 running therein.
  • a drive motor is provided, which is connected to the rotor.
  • This drive motor comprises a rotor 3 and a stator winding 4.
  • the rotor is designed as a cylindrical rotor and, by virtue of its rigid connection to the rotor, circulates on an eccentric circular path within an approximately cylindrical pot 5.
  • This pot 5 is at least partially enclosed by a stator winding 4.
  • the stator winding can also be integrated in this pot.
  • the transformation element such as, for example, a cardan shaft or also a bending shaft, can be dispensed with for the transformation of the central rotation of the drive motor into the eccentric movement of the rotor.
  • a second rotor 3a is provided as an approximately cylindrical rotor. It is arranged at the end of the rotor 1, which is opposite to the first rotor. This rotor is also rigidly connected to the rotor and therefore also runs on an eccentric circular path within a second pot 5a. This second pot is also enclosed by a second stator winding or contains a second stator winding.
  • a further advantageous embodiment of the invention is that the motor of rotor 3 and Stator ⁇ winding 4 is designed in the form of a reluctance motor.
  • the stator winding has coils for generating a rotating magnetic field.
  • a preferably tooth-shaped part is made of magnetically conductive or v / magnetic magnetic material, such as iron.
  • the teeth align according to the magnetic field.
  • a control unit is provided for controlling the corresponding parts of the stator winding 4. This controls now the current flow through the stator winding such that for generating a torque, the flux is preferentially guided through those regions of the pot 5, which have a minimum distance from the surface of the rotor 3.
  • a position sensor is preferably provided which sgnalome the exact position of the rotor or of the rotor with respect to the stator.
  • a position sensor can also be realized, for example, with the aid of the magnets integrated in the rotor.
  • the motor is designed in the form of an asynchronous motor. • this purpose, or preferably formed as the rotor .Widerstands tenur as a squirrel-cage rotor. Furthermore, windings for generating a rotating field are provided in the stator winding. As a result of the rotary field, voltages are induced in the rotor windings or in the conductive rotor structure which, depending on the electrical resistance of the windings or the rotor structure, lead to corresponding currents. These currents in turn cause a magnetic field and thus a torque.
  • an optional control circuit advantageously a frequency converter, is provided for generating the phase-shifted signals of variable frequency for generating a rotating field with the desired rotation frequency.
  • grooves for receiving rotor windings can be provided in the rotor.
  • Another embodiment of the invention provides that in the rotor 3 preferably axial bores ange ⁇ are introduced, through which the medium can flow. Thus, a diversion channel for the medium is no longer necessary. This results in a particularly compact, space-saving design of the arrangement.
  • the magnetic components or permanent magnets in the rotor and the coils in the stator are arranged such that a predetermined force is exerted on the rotor in the axial direction. It is particularly advantageous if the axial force counteracts the pump pressure with the same magnitude.
  • a bearing regulator is preferably used which controls the position of the rotor by means of at least one position sensor.
  • Another embodiment of the invention provides a rotor which is displaceable in the axial direction by the axial force. By means of such displaceability, the reduction in the breakaway torque during pump startup can be achieved.
  • the pump outlet can thereby be closed by the rotor itself.
  • a valve body can also be actuated by the axial movement of the rotor. This allows especially for dosing pumps a particularly fine and follow-up dosing.
  • coils in the rotor are polarized opposite to the coils, which carry the torque over the rotor.
  • Fig. 1 shows in a general form schematically a device according to the invention.
  • Fig. 2 shows in general form a device according to the invention in perspective view.
  • FIG 3 shows a device according to the invention with a second rotor.
  • FIG. 4 shows a device according to the invention with a second rotor in a perspective view.
  • FIG. 1 a device according to the invention is shown schematically in a section perpendicular to the axis of rotation.
  • An eccentric screw pump has a rotor 1, which moves in a stator 2.
  • the rotor 1 is rigidly connected to a rotor 3.
  • the runner runs on an eccentric path within the pot 5.
  • the promotional to 'medium here passes through the pot 5.
  • For the generation of the torque is at least one stator coil 4 is provided.
  • the stator winding is integrated in the exemplary embodiment in the pot, but may preferably be arranged outside of the pot and thus au ⁇ ßerraum the medium. She can, too optionally integrated into the pot, for example cast ver ⁇ .
  • the stator winding has individual coils. These coils can be supplied with power by a control unit.
  • a position sensor is preferably provided which signals the exact position of the rotor or of the purchaser with respect to the stator or the pot.
  • a position sensor can also be realized, for example, by or with the aid of the magnets integrated in the rotor.
  • FIG. 2 shows the previously illustrated arrangement in a perspective view.
  • FIG. 3 shows a further device according to the invention with a second rotor 3a.
  • This second rotor is arranged on the opposite end of the first rotor of the rotor. Accordingly, the second rotor is also assigned a second pot 5a and a second stator winding 4a for generating the torque.
  • the two runners are designed such that they produce a mutually directed axial thrust force, which holds the two runners and 'the rotor in a predetermined position.
  • the runners can advantageously be formed at least slightly conical.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Percussion Or Vibration Massage (AREA)

Abstract

Pompe à vis sans fin excentrique, qui comporte un stator (2) et un rotor (1) tournant dans le stator, ainsi qu'un moteur d'entraînement destiné à entraîner le rotor. L'induit (3) du moteur d'entraînement est relié de manière rigide au rotor et se déplace sur une trajectoire circulaire excentrique à l'intérieur d'un pot cylindrique (5). Le couple de rotation pour l'entraînement est produit au moyen d'un enroulement (4) de stator.
PCT/DE2005/001251 2004-08-10 2005-07-15 Pompe a vis sans fin excentrique pourvue d'un dispositif d'entrainement integre WO2006015571A1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP2007525158A JP2008509335A (ja) 2004-08-10 2005-07-15 統合型駆動装置を備える偏心ねじポンプ
DE112005002517T DE112005002517A5 (de) 2004-08-10 2005-07-15 Exzenterschneckenpumpe mit integriertem Antrieb
EP05768100A EP1778980B1 (fr) 2004-08-10 2005-07-15 Pompe a vis sans fin excentrique pourvue d'un dispositif d'entrainement integre
MXPA06011759A MXPA06011759A (es) 2004-08-10 2005-07-15 Bomba excentrica de tornillo con impulsion integrada.
BRPI0513307-6A BRPI0513307A (pt) 2004-08-10 2005-07-15 bomba de parafuso excêntrico com acionamento integrado
DE502005001849T DE502005001849D1 (de) 2004-08-10 2005-07-15 Exzenterschneckenpumpe mit integriertem antrieb
CA002553795A CA2553795C (fr) 2004-08-10 2005-07-15 Pompe a vis sans fin excentrique pourvue d'un dispositif d'entrainement integre
KR1020067015387A KR100874043B1 (ko) 2004-08-10 2005-07-15 일체형 구동부를 구비한 편심 스크류 펌프
US11/617,538 US20070104595A1 (en) 2004-08-10 2006-12-28 Eccentric Screw Pump With Integrated Drive

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004038686A DE102004038686B3 (de) 2004-08-10 2004-08-10 Exzenterschneckenpumpe mit integriertem Antrieb
DE102004038686.2 2004-08-10

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/617,538 Continuation US20070104595A1 (en) 2004-08-10 2006-12-28 Eccentric Screw Pump With Integrated Drive

Publications (1)

Publication Number Publication Date
WO2006015571A1 true WO2006015571A1 (fr) 2006-02-16

Family

ID=34802032

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2005/001251 WO2006015571A1 (fr) 2004-08-10 2005-07-15 Pompe a vis sans fin excentrique pourvue d'un dispositif d'entrainement integre

Country Status (13)

Country Link
US (1) US20070104595A1 (fr)
EP (1) EP1778980B1 (fr)
JP (1) JP2008509335A (fr)
KR (1) KR100874043B1 (fr)
CN (1) CN100460680C (fr)
AT (1) ATE377150T1 (fr)
BR (1) BRPI0513307A (fr)
CA (1) CA2553795C (fr)
DE (3) DE102004038686B3 (fr)
ES (1) ES2294727T3 (fr)
MX (1) MXPA06011759A (fr)
RU (1) RU2361116C2 (fr)
WO (1) WO2006015571A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5190618B2 (ja) * 2007-08-20 2013-04-24 兵神装備株式会社 ロータ駆動機構及びポンプ装置
DE102008039973A1 (de) 2008-08-27 2010-03-04 Wmf Württembergische Metallwarenfabrik Ag Exzenterschneckenpumpe
DE102009024088A1 (de) 2009-06-06 2010-12-09 Zeus Gmbh Reifenfüllmasse, Verfahren zur Herstellung einer Reifenfüllung und Vorrichtung zur Durchführung des Verfahrens
MD4338C1 (ro) * 2013-05-21 2015-10-31 Юрий ЩИГОРЕВ Pompă electrică cu şnec cu răcire autonomă
CN103423064B (zh) * 2013-08-29 2016-12-28 中矿瑞杰(北京)科技有限公司 一种液力马达
PL3855021T3 (pl) 2014-05-12 2023-03-06 Hugo Vogelsang Maschinenbau Gmbh Pompa śrubowa jednowirnikowa z montażem przez wał napędowy
JP6635694B2 (ja) * 2014-08-05 2020-01-29 兵神装備株式会社 ポンプ体、ポンプ装置、流量計及び発電機
WO2017154023A1 (fr) * 2016-03-07 2017-09-14 Sona Pumps Moteur doté d'une pompe hélicoïdale à déplacement positif à l'intérieur d'un arbre de moteur
BE1025347B1 (nl) * 2017-06-28 2019-02-05 Atlas Copco Airpower Naamloze Vennootschap Cilindrisch symmetrische volumetrische machine
CN113062859A (zh) * 2021-04-21 2021-07-02 中国石油大学(华东) 一种转子内置式机泵一体全金属螺杆泵采油装置

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DE1653869A1 (de) * 1966-12-26 1972-03-30 Magnesita S A Motorgetriebene Pumpe
DE3621967A1 (de) * 1986-07-01 1988-01-14 Heinrich Josef Lettmann Rohrfoermiges pumpenaggregat mit antriebsmotor
JPS63302189A (ja) * 1987-05-30 1988-12-09 Kyocera Corp 偏心ねじポンプ
DE10251846A1 (de) * 2002-11-07 2004-05-19 Netzsch-Mohnopumpen Gmbh Pumpenantrieb

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Publication number Priority date Publication date Assignee Title
US2212417A (en) * 1938-02-10 1940-08-20 Robbins & Myers Combined motor and pump
DE1653869A1 (de) * 1966-12-26 1972-03-30 Magnesita S A Motorgetriebene Pumpe
DE3621967A1 (de) * 1986-07-01 1988-01-14 Heinrich Josef Lettmann Rohrfoermiges pumpenaggregat mit antriebsmotor
JPS63302189A (ja) * 1987-05-30 1988-12-09 Kyocera Corp 偏心ねじポンプ
DE10251846A1 (de) * 2002-11-07 2004-05-19 Netzsch-Mohnopumpen Gmbh Pumpenantrieb

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PATENT ABSTRACTS OF JAPAN vol. 013, no. 133 (M - 809) 4 April 1989 (1989-04-04) *

Also Published As

Publication number Publication date
CA2553795A1 (fr) 2006-02-16
CN101006276A (zh) 2007-07-25
US20070104595A1 (en) 2007-05-10
EP1778980A1 (fr) 2007-05-02
RU2361116C2 (ru) 2009-07-10
DE502005001849D1 (de) 2007-12-13
ATE377150T1 (de) 2007-11-15
JP2008509335A (ja) 2008-03-27
ES2294727T3 (es) 2008-04-01
EP1778980B1 (fr) 2007-10-31
CN100460680C (zh) 2009-02-11
KR20070033954A (ko) 2007-03-27
CA2553795C (fr) 2009-07-14
BRPI0513307A (pt) 2008-05-06
DE102004038686B3 (de) 2005-08-25
DE112005002517A5 (de) 2007-07-12
KR100874043B1 (ko) 2008-12-12
RU2006145438A (ru) 2008-09-20
MXPA06011759A (es) 2007-05-31

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