EP1778980A1 - Exzenterschneckenpumpe mit integriertem antrieb - Google Patents
Exzenterschneckenpumpe mit integriertem antriebInfo
- Publication number
- EP1778980A1 EP1778980A1 EP05768100A EP05768100A EP1778980A1 EP 1778980 A1 EP1778980 A1 EP 1778980A1 EP 05768100 A EP05768100 A EP 05768100A EP 05768100 A EP05768100 A EP 05768100A EP 1778980 A1 EP1778980 A1 EP 1778980A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- screw pump
- eccentric screw
- pump according
- eccentric
- 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
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)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004038686A DE102004038686B3 (de) | 2004-08-10 | 2004-08-10 | Exzenterschneckenpumpe mit integriertem Antrieb |
PCT/DE2005/001251 WO2006015571A1 (de) | 2004-08-10 | 2005-07-15 | Exzenterschneckenpumpe mit integriertem antrieb |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1778980A1 true EP1778980A1 (de) | 2007-05-02 |
EP1778980B1 EP1778980B1 (de) | 2007-10-31 |
Family
ID=34802032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05768100A Not-in-force EP1778980B1 (de) | 2004-08-10 | 2005-07-15 | Exzenterschneckenpumpe mit integriertem antrieb |
Country Status (13)
Country | Link |
---|---|
US (1) | US20070104595A1 (de) |
EP (1) | EP1778980B1 (de) |
JP (1) | JP2008509335A (de) |
KR (1) | KR100874043B1 (de) |
CN (1) | CN100460680C (de) |
AT (1) | ATE377150T1 (de) |
BR (1) | BRPI0513307A (de) |
CA (1) | CA2553795C (de) |
DE (3) | DE102004038686B3 (de) |
ES (1) | ES2294727T3 (de) |
MX (1) | MXPA06011759A (de) |
RU (1) | RU2361116C2 (de) |
WO (1) | WO2006015571A1 (de) |
Families Citing this family (10)
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 |
EP3112682B1 (de) | 2014-05-12 | 2021-07-07 | Hugo Vogelsang Maschinenbau GmbH | Exzenterschneckenpumpe mit montage durch den hohlen rotor |
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 (en) * | 2016-03-07 | 2017-09-14 | Sona Pumps | Motor with positive displacement helical pump inside motor shaft |
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 |
Family Cites Families (25)
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US2212417A (en) * | 1938-02-10 | 1940-08-20 | Robbins & Myers | Combined motor and pump |
US2957427A (en) * | 1956-12-28 | 1960-10-25 | Walter J O'connor | Self-regulating pumping mechanism |
FR1559710A (de) * | 1966-12-26 | 1969-03-14 | ||
US3951097A (en) * | 1975-05-01 | 1976-04-20 | Wallace Clark | Hydraulic motor or pump |
US4981281A (en) * | 1983-12-21 | 1991-01-01 | Robert W. Brundage | Solenoid controlled fluid flow valve |
DE3621967A1 (de) * | 1986-07-01 | 1988-01-14 | Heinrich Josef Lettmann | Rohrfoermiges pumpenaggregat mit antriebsmotor |
US4802827A (en) * | 1986-12-24 | 1989-02-07 | Kabushiki Kaisha Toshiba | Compressor |
JP2619642B2 (ja) * | 1987-05-30 | 1997-06-11 | 京セラ株式会社 | 偏心ねじポンプ |
FR2617534A1 (fr) * | 1987-06-30 | 1989-01-06 | Inst Francais Du Petrole | Dispositif de pompage d'un fluide dans le fond d'un puits |
GB8820444D0 (en) * | 1988-08-30 | 1988-09-28 | Framo Dev Ltd | Electric motor |
DE4313442A1 (de) * | 1993-04-24 | 1994-10-27 | Resch Maschinen Und Geraetebau | Fluidpumpe |
US5759019A (en) * | 1994-02-14 | 1998-06-02 | Steven M. Wood | Progressive cavity pumps using composite materials |
US5549160A (en) * | 1994-05-27 | 1996-08-27 | National-Oilwell Canada Ltd. | Downhole progressing cavity pump rotor valve |
US5549464A (en) * | 1994-10-29 | 1996-08-27 | Varadan; Rajan | Drive arrangement for progressing cavity pump |
US5779460A (en) * | 1996-06-07 | 1998-07-14 | Ici Canada Inc. | Progressive cavity pump with tamper-proof safety |
CN1068935C (zh) * | 1998-01-26 | 2001-07-25 | 宋志超 | 金属定子螺杆泵 |
JP4365984B2 (ja) * | 1999-05-14 | 2009-11-18 | キヤノン株式会社 | 再生プラスチック材料の製造方法 |
US7374005B2 (en) * | 2000-01-10 | 2008-05-20 | The United States Of America As Represented By The Administrator Of The U.S. Environmental Protection Agency | Opposing pump/motors |
US6361292B1 (en) * | 2000-04-12 | 2002-03-26 | Sheldon S. L. Chang | Linear flow blood pump |
DE10123139B4 (de) * | 2001-04-30 | 2005-08-11 | Berlin Heart Ag | Verfahren zur Regelung einer Unterstützungspumpe für Fluidfördersysteme mit pulsatilem Druck |
CN2528964Y (zh) * | 2002-03-08 | 2003-01-01 | 宋其国 | 外驱动式双转动螺旋泵 |
DE10251846A1 (de) * | 2002-11-07 | 2004-05-19 | Netzsch-Mohnopumpen Gmbh | Pumpenantrieb |
US7074018B2 (en) * | 2003-07-10 | 2006-07-11 | Sheldon Chang | Direct drive linear flow blood pump |
US7699586B2 (en) * | 2004-12-03 | 2010-04-20 | Heartware, Inc. | Wide blade, axial flow pump |
US7226277B2 (en) * | 2004-12-22 | 2007-06-05 | Pratt & Whitney Canada Corp. | Pump and method |
-
2004
- 2004-08-10 DE DE102004038686A patent/DE102004038686B3/de not_active Expired - Fee Related
-
2005
- 2005-07-15 DE DE112005002517T patent/DE112005002517A5/de not_active Withdrawn
- 2005-07-15 BR BRPI0513307-6A patent/BRPI0513307A/pt not_active IP Right Cessation
- 2005-07-15 CA CA002553795A patent/CA2553795C/en not_active Expired - Fee Related
- 2005-07-15 RU RU2006145438/06A patent/RU2361116C2/ru not_active IP Right Cessation
- 2005-07-15 WO PCT/DE2005/001251 patent/WO2006015571A1/de active IP Right Grant
- 2005-07-15 AT AT05768100T patent/ATE377150T1/de not_active IP Right Cessation
- 2005-07-15 CN CNB2005800263773A patent/CN100460680C/zh not_active Expired - Fee Related
- 2005-07-15 MX MXPA06011759A patent/MXPA06011759A/es active IP Right Grant
- 2005-07-15 KR KR1020067015387A patent/KR100874043B1/ko not_active IP Right Cessation
- 2005-07-15 ES ES05768100T patent/ES2294727T3/es active Active
- 2005-07-15 EP EP05768100A patent/EP1778980B1/de not_active Not-in-force
- 2005-07-15 JP JP2007525158A patent/JP2008509335A/ja active Pending
- 2005-07-15 DE DE502005001849T patent/DE502005001849D1/de active Active
-
2006
- 2006-12-28 US US11/617,538 patent/US20070104595A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2006015571A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2553795C (en) | 2009-07-14 |
CN101006276A (zh) | 2007-07-25 |
RU2006145438A (ru) | 2008-09-20 |
BRPI0513307A (pt) | 2008-05-06 |
DE102004038686B3 (de) | 2005-08-25 |
CN100460680C (zh) | 2009-02-11 |
JP2008509335A (ja) | 2008-03-27 |
MXPA06011759A (es) | 2007-05-31 |
ATE377150T1 (de) | 2007-11-15 |
KR100874043B1 (ko) | 2008-12-12 |
RU2361116C2 (ru) | 2009-07-10 |
ES2294727T3 (es) | 2008-04-01 |
WO2006015571A1 (de) | 2006-02-16 |
EP1778980B1 (de) | 2007-10-31 |
DE112005002517A5 (de) | 2007-07-12 |
CA2553795A1 (en) | 2006-02-16 |
US20070104595A1 (en) | 2007-05-10 |
DE502005001849D1 (de) | 2007-12-13 |
KR20070033954A (ko) | 2007-03-27 |
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Legal Events
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Inventor name: RIBBE, THOMAS Inventor name: SCHUELER, RALF Inventor name: JABERG, HELMUT Inventor name: SCHMIDT, DIRK Inventor name: KREIDL, JOHANN |
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