WO2009024279A1 - Exzenterschneckenpumpe mit geteiltem stator - Google Patents
Exzenterschneckenpumpe mit geteiltem stator Download PDFInfo
- Publication number
- WO2009024279A1 WO2009024279A1 PCT/EP2008/006641 EP2008006641W WO2009024279A1 WO 2009024279 A1 WO2009024279 A1 WO 2009024279A1 EP 2008006641 W EP2008006641 W EP 2008006641W WO 2009024279 A1 WO2009024279 A1 WO 2009024279A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stator
- screw pump
- eccentric screw
- pump according
- conical
- Prior art date
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
- 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
- F04C2/1075—Construction of the stationary member
Definitions
- the invention relates to an eccentric screw pump with at least one stator made of an elastic material and a rotor mounted in the stator, wherein the stator is at least partially surrounded by a stator casing or stator housing.
- the rotor is regularly connected to the drive or the drive shaft via at least one coupling rod, which is also referred to as a cardan shaft.
- the pump has a suction housing and a connection piece, wherein the stator is connected at one end to a connection flange of the suction housing and the other end to a connection flange of the connection piece.
- Elastic material in the context of the invention means in particular an elastomer, e.g. a (synthetic) rubber or a rubber mixture.
- composites of an elastomer or other material, e.g. Metal includes.
- the elastic stator is formed into a stator jacket of e.g. Metal is vulcanised.
- the elastomeric stators are subject to wear during operation, so that at regular intervals maintenance or a stator replacement is required.
- the stators are often replaced with their molded stator covers.
- stator For cost reasons and also for reasons of environmental protection, it has therefore been proposed in practice to manufacture the elastomeric stator on the one hand and the stator jacket or stator housing made of metal on the other as separate components.
- the stator can then be pushed into the cylindrical stator casing made of metal in the course of assembly, so that after appropriate wear, only the stator can be replaced and the stator casing can be reused.
- stators are also referred to as a push-in.
- the assembly of such a push-in is in practice often consuming and associated with extensive disassembly of the eccentric screw pump. - This is where the invention starts.
- the invention has for its object to provide an eccentric screw pump of the type described above, which allows replacement of the elastic stator in a cost effective and simple assembly technique.
- the invention teaches in a generic eccentric screw pump of the type described above, that the stator consists of a longitudinally divided stator of at least two stator shells. It is preferably two stator shells, which are thus designed as half shells and each cover an angle of 180 °. However, the invention also includes split stators with three, four or more sub-shells, which then each cover an angle of 120 ° or 90 ° or less.
- the invention is initially based on the finding that it is expedient to produce the elastomeric stator as a component which can be replaced separately from the stator jacket or stator housing in order to ensure replacement of only the elastomeric component and reusability of the stator jacket.
- the exchange can be done without a costly disassembly of the pump is necessary.
- the pump can remain mounted in its basic structure on eg a base plate or mounting plate.
- the suction housing on the one hand and the connection piece on the other as well as the rotor can remain mounted.
- the two half shells or the plurality of partial shells can then be mounted as it were around the rotor.
- the stator is connected with its ends on the one hand to a connection flange of the suction housing and on the other hand to a connection flange of the connection piece, wherein the separate partial shells - as explained - can be mounted individually, without disassembly of the Pump is required.
- the partial shells are elastically deformable and therefore are kinkable or bendable for insertion. It may be expedient not to mount the stator or the stator partial shells directly on the connecting flanges, but to provide adapter pieces which are connected to the connecting flanges or the connecting flanges.
- annular adapter pieces are adapted to the geometry of the stator or the stator partial shells, so that with the help of the adapter pieces in principle also has the possibility of using the longitudinally divided stator according to the invention in connection with conventional pump housings or suction housings and connecting pieces.
- the adapter pieces can also be referred to as centering rings.
- the invention proposes that the stator or the stator shells with end sealing surfaces in each case in a stator of the corresponding flange or the corresponding adapter piece can be inserted or plugged onto such.
- the stator has conical, preferably outer conical or internally conical sealing surfaces at the end, while the described stator receptacles of the connecting flanges or adapter pieces have conical, preferably internally conical or outer conical sealing counter surfaces.
- the end-side sealing surfaces of the stator are formed inside-conical and these then abut against the inner-conical sealing mating surfaces of the stator.
- the stator has end-to-end internal conical sealing surfaces and the stator receptacles on the connecting flange or on the adapter piece have outer-conical sealing counter surfaces.
- stator receptacle protrudes, as it were, in the axial or axially parallel direction from the connection flange or the adapter piece, so that the stator receptacle engages in the stator end or the stator is plugged onto the stator receptacle.
- the cone angle of the sealing surfaces or the sealing counter surfaces may be 10 ° to 50 °, preferably 20 ° to 30 °.
- stator jacket is formed as a longitudinally divided jacket and has for this purpose at least two, preferably at least four jacket segments. This also contributes to the fact that the wearing part forming elastomeric stator can be replaced without major disassembly, because even the multi-part stator jacket can now be dismantled without the suction housing, discharge nozzle and / or rotor must be removed from its installed position.
- such a longitudinally divided stator jacket with its several shell segments forms a stator-clamping device or stator adjustment device with which the stator can be tensioned against the rotor, in particular in the radial direction.
- the invention is based on the recognition that the elastomeric stator is usually mounted with respect to the rotatably driven rotor with a bias, wherein the function of the eccentric screw pump depends essentially on this bias.
- the simple structure and in particular the simple replacement of the stator can now be the desired Vorspannure set excellent and in particular set up a post-tension with appropriate wear.
- the tightness of the longitudinally divided stator is ensured by the multi-part clamping device.
- the stator-clamping device not only ensures sufficient tightness or connection of the two stator sub-shells to each other, but also a tight connection or a dense Engage the stator ends in the corresponding stator mounts of the connecting flanges or adapter pieces.
- the sheath segments which bear against the stator on the outside have, e.g. have mounting flanges at the end for attachment to the connection flange or adapter piece.
- These mounting flanges can be connected to the connection flange or the adapter piece with clamping devices for the purpose of clamping the stator.
- the clamping means can be designed as ffervorrich- lines, so that can be adjusted in a simple manner, the desired bias or adjusted.
- the shroud segments are adapted with their mounting flanges to the geometry of the stator and the connecting flanges or adapter pieces, that the fastening of the mounting flanges on the connecting flanges or adapter pieces to form an adjustable annular gap.
- This can be a gap width of up to 10 mm, preferably up to 5 mm. It may therefore be desirable to first mount the mounting flanges with a gap width of e.g. 5 mm, so that a residual tension of a total of 5 mm clamping travel can occur when wear occurs.
- the mounting flanges can overlap or engage in the connection flange or the adapter piece.
- stator partial shells each have at least one anti-rotation on the outside cantilevered.
- Such an anti-rotation can be connected as a longitudinal ridge on the outside of the stator subshells, for example.
- the geometry of the stator partial shells with their longitudinal webs are preferably adapted to the geometry of the several sheath segments, so that in the context of the invention, the longitudinal webs engage in formation of the anti-rotation in corresponding spaces between two adjacent shroud segments.
- these webs may also have end stops, which serve as axial securing and abut against the adapter pieces or connecting flanges.
- stator according to the invention can be easily mounted and replaced, without, e.g. Pressure nozzle or pressure lines must be solved.
- the required rotor-stator clamp can be easily adjusted.
- the stator can be easily manufactured in relation to the dimensions of the stator geometry, since exact dimensional accuracy is no longer required.
- FIG. 2 shows a longitudinally divided stator according to the invention in an end view
- FIG. 3 shows a section A-B through the article of FIG. 2,
- Fig. 4 shows an inventive adapter piece for the object
- FIG. 5 shows a jacket segment according to the invention for the article according to FIG. 1 in a longitudinal section
- FIG. 6 is a detail of the article of FIG. 1 in a perspective view
- FIG. 7 shows the object according to FIG. 6 in another view in a partially disassembled state
- FIG. Fig. 8 shows a detail of a modified embodiment of
- Fig. 11 shows another embodiment of the invention.
- an eccentric screw pump which in its basic structure has a stator 1 made of an elastic material and a rotor 2 mounted in the stator 1, wherein the stator 1 is surrounded at least in regions by a stator shell 3. Furthermore, the pump has a suction housing 4 and a connection piece 5, which is also referred to as a discharge nozzle. Not shown is also provided drive, wherein the drive operates on the rotor 2 via a merely indicated coupling rod 6. The coupling rod is connected via coupling joints on the one hand to the rotor 2 and on the other hand to the drive shaft, not shown, wherein of the coupling joints only the rotor-side hinge 7 is shown.
- the pump is usually mounted on a merely indicated base plate 8, which may be a base plate supplied with the pump or a base plate provided by the user.
- the stator 1 is connected in a conventional manner with its one end to a connecting flange 9 of the suction housing 4 and with its other end to a connecting flange 10 of the connecting piece 5.
- the connection in the illustrated embodiment is not directly to these connection flanges 9, 10, but with the interposition of an adapter piece 11, 12, whose structure will be explained in more detail below.
- These adapters are also referred to as centering rings.
- the stator 1 is now formed as a longitudinally divided stator and consists of two stator-part shells 1a, 1b, which form in the embodiment half-shells, each covering an angle of 180 °. Divided means, along the stator longitudinal axis L or parallel to this. The separating cut between the partial shells consequently runs along or parallel to the longitudinal axis L.
- This longitudinally divided configuration of the elastomeric stator makes it possible to disassemble and mount the stator 1 with the suction housing 4, discharge nozzle 5 and rotor 2 mounted, since the stator 1 does not, as in the prior art, e.g. must be pushed from one side onto the rotor 2 after removing the pressure port 5.
- the stator partial shells 1a, 1b are then (successively) with their end-side sealing surfaces 13, 14 in Statorfactn 15, 16 inserted or with sealing surfaces 13 ', 14' on such Statorabilityn 15 ', 16' attachable, said Statorfactn in the illustrated here Embodiment with adapters on these adapter pieces 11, 12 are provided.
- the adapter pieces 11, 12 themselves can be used in known receptacles on the one hand suction housing 4 and the other pressure port 5, so that suction housing 4 on the one hand and pressure stub 5 on the other hand can be formed in a conventional construction and consequently can be used with conventional one-piece stators.
- the end-side sealing surfaces 13, 14 (or 13 ', 14') of the stator 1 are conical or designed as a conical surface, in the embodiment according to FIGS. 1 to 7 "outer-conical".
- the stator receptacles 15, 16 (or 15 ', 16 ") also have corresponding conical sealing mating surfaces 17, 18 (17', 18 '), which may be formed inside-conical according to FIGS. 1 to 7. Der in Fig.
- stator jacket 3 In order to fix and seal the stator partial shells 1a, 1b, the stator jacket 3 is provided. This is inventively designed as a longitudinally divided shell and has several, in the exemplary embodiment four, shell segments 19. Consequently, this stator jacket 3 forms with its jacket segments 19 a stator clamping device or stator adjusting device with which the longitudinally divided stator 1 can be fixed and sealed on the one hand and a desired voltage or bias voltage can be introduced into the stator 1 on the other hand. This succeeds within the scope of the invention in a particularly uniform manner, since four or more shell segments 19 are used. In Fig. 1, only one of these shroud segments is shown.
- the outer side of the stator 1 abutting shroud segments 19 have the end side mounting flanges 20 for the attachment of the shroud segments 19 on the adapter pieces 11, 12. These fastening flanges 20 engage over the adapter piece 11, 12.
- FIG. 5 shows that the fastening flanges 20 are connected to the jacket segment 19 by means of welded connections.
- the shroud segments 20 can also be made in one piece, including mounting flange.
- the fastening flanges 20 have clamping means 21 which, in the exemplary embodiment, are designed as screw connections 22, 23.
- a plurality of stud bolts are connected as screw bolts 22 to the connecting flanges 9, 10 or in the exemplary embodiment adapter pieces 11, 12.
- the desired voltages can be adjusted via suitable nuts 23.
- the end attachment flanges thus have openings for the studs 22 or suitable screws.
- the figures show that the attachment takes place with an adjustable annular gap R between the mounting flanges of the shell segments 19 and the adapter pieces. By adjusting this annular gap R, the desired preload can then be adjusted or re-tensioned.
- the shell segments 19 can then be fixed by means of screw 24 in the longitudinal direction of the adapter pieces or flanges.
- stator partial shells 1 a, 1 b each have at least one torsion protection 25 projecting on the outside, which in the exemplary embodiment is formed as longitudinal webs 25 extending over almost the entire stator length, which are molded on the outside of the stator, for example vulcanized.
- FIG. 6 shows that in the course of assembly, these longitudinal webs 25 engage in intermediate spaces between the individual sleeve segments 19, so that the longitudinal webs are, as it were, clamped between two adjacent jacket segments 19 and thus constitute an anti-rotation safeguard.
- the longitudinal webs 25 but also the axial securing, because they are placed in their length to the distance between the adapter pieces, so that stops 26 are provided, which rest against the adapter pieces 11, 12.
- the longitudinally divided stator 1 according to the invention is preferably first manufactured as a one-piece stator 1 and then separated, for example in the way of water jet cutting. This allows a simple and cost-effective production.
- FIGS. 1 to 7 show a possible embodiment in which stator 1 is inserted into corresponding receptacles 15, 16. This ensures a good seal in the course of clamping.
- 8 to 11 show embodiments in which the stator 1 with its partial shells 1a, 1b can be plugged onto suitable "projecting" receptacles 15 ', 16'.
- the sealing surfaces are formed by step-shaped sections.
- Fig. 9 shows a preferred embodiment of the invention, which corresponds in its basic structure of the embodiment of FIGS. 1 to 7. It differs from this embodiment essentially in that the stator 1 is not inserted with its ends in a receptacle, but on recordings 15 ', 16' is attached.
- the stator 1 therefore has end-side sealing surfaces 13 ', 14', which are formed inside-conical.
- the stator Accordingly, 15 ', 16' have outer conical sealing counter surfaces 17 ', 18 * .
- the Statorfactn 15 ', 16' are therefore each formed by a projecting axially outwardly sealing collar, which is formed in the embodiment of the adapter piece.
- stator receivers 15 ', 16 engage, as it were, in the interior of the stator end of the stator 1.
- Fig. 9 shows in strict only one end of the arrangement with the reference numbers 13', 15 'and 17''and18', which refer to the opposite end, not shown, are therefore provided in parentheses for the sake of completeness, moreover, the stator 1 also has a multi-part construction in this embodiment and the sealing surfaces - the structure of FIG. 1 to 7.
- FIG. 9 means for receiving tilting forces or radial forces can be provided on the connection flanges and / or adapter pieces.
- threaded pins 27 can be seen, which engage in corresponding recesses on the stator casing or on the mounting flanges 20.
- These setscrews 27 are thus provided in addition to the clamping means 21 provided anyway. While the adjustment of the segments can take place via the tensioning means 21, the set screws 27 serve to receive the tilting forces or radial forces.
- FIG. 10 shows by way of example an alternative possibility for receiving the tilting forces or radial forces.
- the threaded pins 27 shown in FIG. 9 are dispensed with.
- spacers are used between the individual shell segments or their mounting flanges, which are wedge-shaped in the embodiment as guide wedges 28.
- FIG. 11 shows a further possibility of absorbing tilting forces or radial forces.
- claw-like projections 29 are provided, which engage in corresponding receptacles or recesses 29b on the respective shell segment or its attachment flange. In this way, axial and radial securing via these form-locking elements, eg, claws, on the centering ring on the one hand and the stator adjustment segment on the other hand are possible.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL08785517T PL2176552T3 (pl) | 2007-08-17 | 2008-08-13 | Mimośrodowa pompa śrubowa z dzielonym statorem |
JP2010520483A JP2010537095A (ja) | 2007-08-17 | 2008-08-13 | 分割されたステーターを有する偏心ねじポンプ |
CN2008801030280A CN101796301B (zh) | 2007-08-17 | 2008-08-13 | 设有分体型定子的偏心螺杆泵 |
EP08785517A EP2176552B1 (de) | 2007-08-17 | 2008-08-13 | Exzenterschneckenpumpe mit geteiltem stator |
ES08785517T ES2387834T3 (es) | 2007-08-17 | 2008-08-13 | Bomba helicoidal excéntrica con estátor dividido |
US12/671,508 US8439659B2 (en) | 2007-08-17 | 2008-08-13 | Eccentric screw pump with split stator |
BRPI0815403-1A2A BRPI0815403A2 (pt) | 2007-08-17 | 2008-08-13 | Bomba de parafuso excêntrico com estator dividido |
HK10110752.5A HK1144457A1 (en) | 2007-08-17 | 2010-11-18 | Eccentric worm pump with split stator |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007039062.0 | 2007-08-17 | ||
DE102007039062 | 2007-08-17 | ||
DE102008011690.4 | 2008-02-28 | ||
DE102008011690 | 2008-02-28 | ||
DE102008021920A DE102008021920A1 (de) | 2007-08-17 | 2008-05-02 | Exzenterschneckenpumpe |
DE102008021920.7 | 2008-05-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009024279A1 true WO2009024279A1 (de) | 2009-02-26 |
Family
ID=39942685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/006641 WO2009024279A1 (de) | 2007-08-17 | 2008-08-13 | Exzenterschneckenpumpe mit geteiltem stator |
Country Status (9)
Country | Link |
---|---|
US (1) | US8439659B2 (de) |
EP (1) | EP2176552B1 (de) |
JP (1) | JP2010537095A (de) |
CN (1) | CN101796301B (de) |
BR (1) | BRPI0815403A2 (de) |
ES (1) | ES2387834T3 (de) |
HK (1) | HK1144457A1 (de) |
PL (1) | PL2176552T3 (de) |
WO (1) | WO2009024279A1 (de) |
Cited By (20)
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CN101892982A (zh) * | 2010-06-28 | 2010-11-24 | 中国石油大学(北京) | 单螺杆金属螺杆泵定子及其内螺旋面加工方法 |
CN102062089A (zh) * | 2010-12-24 | 2011-05-18 | 新疆华易石油工程技术有限公司 | 一种全金属螺杆泵定子的加工方法 |
EP2428680A2 (de) | 2010-09-09 | 2012-03-14 | Seepex GmbH | Exzenterschneckenpumpe |
US8182252B2 (en) | 2007-10-30 | 2012-05-22 | Moyno, Inc. | Progressing cavity pump with split stator |
US8215014B2 (en) | 2007-10-31 | 2012-07-10 | Moyno, Inc. | Method for making a stator |
DE102014112550A1 (de) | 2014-09-01 | 2016-03-03 | Seepex Gmbh | Exzenterschneckenpumpe |
DE102014112552A1 (de) | 2014-09-01 | 2016-03-03 | Seepex Gmbh | Exzenterschneckenpumpe |
CZ306826B6 (cs) * | 2016-04-01 | 2017-07-26 | Petr Havránek | Zařízení pro čerpání kapalin a výměnný dílec pro něj |
DE102017100540A1 (de) | 2017-01-12 | 2018-07-12 | Seepex Gmbh | Exzenterschneckenpumpe |
US10240599B2 (en) | 2014-01-28 | 2019-03-26 | Heishin Ltd. | Uniaxial eccentric screw pump |
DE102018102640A1 (de) | 2018-02-06 | 2019-08-08 | Seepex Gmbh | Exzenterschneckenpumpe |
DE102018113347A1 (de) | 2018-06-05 | 2019-12-05 | Seepex Gmbh | Verfahren zur Bestimmung oder Überwachung des Zustandes einer Exzenterschneckenpumpe |
CN111448364A (zh) * | 2017-10-20 | 2020-07-24 | 赛科蓬普斯北美有限责任公司 | 用于渐进式空腔泵的拆卸装置 |
WO2021094087A1 (de) | 2019-11-15 | 2021-05-20 | Seepex Gmbh | Exzenterschneckenpumpe |
DE102021112422A1 (de) | 2021-05-12 | 2022-11-17 | Seepex Gmbh | Pumpe zum Fördern eines Mediums und Verfahren zur Überwachung |
DE102021112419A1 (de) | 2021-05-12 | 2022-11-17 | Ruhr-Universität Bochum, Körperschaft des öffentlichen Rechts | Pumpe zum Fördern eines Mediums und Verfahren zur Überwachung |
WO2023104388A1 (de) | 2021-12-09 | 2023-06-15 | Seepex Gmbh | Gelenkverbindung innerhalb einer rotierenden einheit einer exzenterschneckenpumpe |
DE102021132549A1 (de) | 2021-12-09 | 2023-06-15 | Seepex Gmbh | Gelenkverbindung, rotierende Einheit und Exzenterschneckenpumpe |
DE102022119147A1 (de) | 2022-07-29 | 2024-02-01 | Ruhr-Universität Bochum, Körperschaft des öffentlichen Rechts | Verfahren zur Bestimmung oder Überwachung des Förderstroms einer Exzenterschneckenpumpe |
WO2024132945A1 (de) | 2022-12-23 | 2024-06-27 | Seepex Gmbh | Verfahren zur steuerung einer exzenterschneckenpumpe |
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FR2948424B1 (fr) * | 2009-07-23 | 2017-07-21 | Pcm | Pompe a cavites progressives et dispositif de pompage associe |
KR101837782B1 (ko) * | 2010-08-25 | 2018-03-12 | 후루카와 산키 시스테무즈 가부시키가이샤 | 일축 편심 나사 펌프에 있어서의 스테이터 씨일 구조 |
DE102012112044B4 (de) * | 2012-05-04 | 2015-10-08 | Netzsch Pumpen & Systeme Gmbh | Selbstfixierendes Statorgehäuse |
US8967985B2 (en) | 2012-11-13 | 2015-03-03 | Roper Pump Company | Metal disk stacked stator with circular rigid support rings |
WO2015064372A1 (ja) * | 2013-10-29 | 2015-05-07 | 兵神装備株式会社 | 一軸偏心ネジポンプ |
JP6349566B2 (ja) * | 2014-01-28 | 2018-07-04 | 兵神装備株式会社 | 一軸偏心ネジポンプ |
DE102015112248A1 (de) * | 2015-01-29 | 2016-08-04 | Netzsch Pumpen & Systeme Gmbh | Exzenterschneckenpumpe und Verfahren zum Anpassen des Betriebszustands einer Exzenterschneckenpumpe |
CN105351184A (zh) * | 2015-11-23 | 2016-02-24 | 重庆高研泵业有限公司 | 安全螺杆泵 |
EP3382203B1 (de) * | 2017-03-30 | 2024-05-15 | Roper Pump Company LLC | Exzenterschneckenpumpe mit integriertem heizmantel |
DE202018101651U1 (de) | 2018-03-16 | 2018-04-09 | Seepex Gmbh | Anlage zur Förderung von pastösem Material |
CN110410316B (zh) * | 2019-09-05 | 2024-06-11 | 无锡恒信北石科技有限公司 | 高稳定的全金属锥形螺杆泵的新型驱动提升装置 |
JP6824537B1 (ja) * | 2019-09-24 | 2021-02-03 | 兵神装備株式会社 | 一軸偏心ねじポンプ |
EP3825552A1 (de) * | 2019-11-22 | 2021-05-26 | Grundfos Holding A/S | Exzenterschneckenpumpe |
DE102022118485B3 (de) * | 2022-07-25 | 2023-12-21 | Netzsch Pumpen & Systeme Gmbh | System zum Verspannen eines Tauchrohrs einer Tankpumpe in einem Endstutzen |
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Cited By (44)
Publication number | Priority date | Publication date | Assignee | Title |
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US8182252B2 (en) | 2007-10-30 | 2012-05-22 | Moyno, Inc. | Progressing cavity pump with split stator |
US8215014B2 (en) | 2007-10-31 | 2012-07-10 | Moyno, Inc. | Method for making a stator |
CN101892982A (zh) * | 2010-06-28 | 2010-11-24 | 中国石油大学(北京) | 单螺杆金属螺杆泵定子及其内螺旋面加工方法 |
EP2428680A2 (de) | 2010-09-09 | 2012-03-14 | Seepex GmbH | Exzenterschneckenpumpe |
DE102010037440A1 (de) | 2010-09-09 | 2012-03-15 | Seepex Gmbh | Exzenterschneckenpumpe |
EP2428680A3 (de) * | 2010-09-09 | 2014-05-28 | Seepex GmbH | Exzenterschneckenpumpe |
DE102010037440B4 (de) * | 2010-09-09 | 2014-11-27 | Seepex Gmbh | Exzenterschneckenpumpe |
CN102062089A (zh) * | 2010-12-24 | 2011-05-18 | 新疆华易石油工程技术有限公司 | 一种全金属螺杆泵定子的加工方法 |
US10240599B2 (en) | 2014-01-28 | 2019-03-26 | Heishin Ltd. | Uniaxial eccentric screw pump |
DE102014112550B4 (de) * | 2014-09-01 | 2016-06-16 | Seepex Gmbh | Exzenterschneckenpumpe |
CN106605067B (zh) * | 2014-09-01 | 2018-11-13 | 西派克有限公司 | 偏心螺杆泵 |
WO2016034341A1 (de) * | 2014-09-01 | 2016-03-10 | Seepex Gmbh | Exzenterschneckenpumpe |
DE102014112550A1 (de) | 2014-09-01 | 2016-03-03 | Seepex Gmbh | Exzenterschneckenpumpe |
DE102014112552B4 (de) * | 2014-09-01 | 2016-06-30 | Seepex Gmbh | Exzenterschneckenpumpe |
CN106605067A (zh) * | 2014-09-01 | 2017-04-26 | 西派克有限公司 | 偏心螺杆泵 |
DE102014112552A1 (de) | 2014-09-01 | 2016-03-03 | Seepex Gmbh | Exzenterschneckenpumpe |
WO2016034340A1 (de) * | 2014-09-01 | 2016-03-10 | Seepex Gmbh | Exzenterschneckenpumpe |
CZ306826B6 (cs) * | 2016-04-01 | 2017-07-26 | Petr Havránek | Zařízení pro čerpání kapalin a výměnný dílec pro něj |
WO2018130463A1 (de) | 2017-01-12 | 2018-07-19 | Seepex Gmbh | Exzenterschneckenpumpe |
DE102017100540B4 (de) | 2017-01-12 | 2018-09-06 | Seepex Gmbh | Exzenterschneckenpumpe |
DE102017100540A1 (de) | 2017-01-12 | 2018-07-12 | Seepex Gmbh | Exzenterschneckenpumpe |
CN111448364B (zh) * | 2017-10-20 | 2022-10-11 | 赛科蓬普斯北美有限责任公司 | 用于渐进式空腔泵的拆卸装置 |
CN111448364A (zh) * | 2017-10-20 | 2020-07-24 | 赛科蓬普斯北美有限责任公司 | 用于渐进式空腔泵的拆卸装置 |
US11391280B2 (en) | 2017-10-20 | 2022-07-19 | Circor Pumps North America, Llc. | Dismounting device for progressive cavity pumps |
WO2019154571A1 (de) | 2018-02-06 | 2019-08-15 | Seepex Gmbh | Exzenterschneckenpumpe |
EP3749861B1 (de) | 2018-02-06 | 2022-02-23 | Seepex GmbH | Exzenterschneckenpumpe |
DE102018102640A1 (de) | 2018-02-06 | 2019-08-08 | Seepex Gmbh | Exzenterschneckenpumpe |
WO2019233859A1 (de) | 2018-06-05 | 2019-12-12 | Seepex Gmbh | Verfahren zur bestimmung oder überwachung des zustandes einer exzenterschneckenpumpe |
DE102018113347A1 (de) | 2018-06-05 | 2019-12-05 | Seepex Gmbh | Verfahren zur Bestimmung oder Überwachung des Zustandes einer Exzenterschneckenpumpe |
WO2021094087A1 (de) | 2019-11-15 | 2021-05-20 | Seepex Gmbh | Exzenterschneckenpumpe |
DE102019130981A1 (de) * | 2019-11-15 | 2021-05-20 | Seepex Gmbh | Exzenterschneckenpumpe |
US20220356877A1 (en) * | 2019-11-15 | 2022-11-10 | Seepex Gmbh | Eccentric screw pump |
US11841017B2 (en) * | 2019-11-15 | 2023-12-12 | Seepex Gmbh | Eccentric-screw pump with concentricity sensor |
WO2022238034A1 (de) | 2021-05-12 | 2022-11-17 | Seepex Gmbh | Pumpe zum fördern eines mediums und verfahren zur überwachung |
DE102021112419A1 (de) | 2021-05-12 | 2022-11-17 | Ruhr-Universität Bochum, Körperschaft des öffentlichen Rechts | Pumpe zum Fördern eines Mediums und Verfahren zur Überwachung |
DE102021112422A1 (de) | 2021-05-12 | 2022-11-17 | Seepex Gmbh | Pumpe zum Fördern eines Mediums und Verfahren zur Überwachung |
WO2023104388A1 (de) | 2021-12-09 | 2023-06-15 | Seepex Gmbh | Gelenkverbindung innerhalb einer rotierenden einheit einer exzenterschneckenpumpe |
DE102021132549A1 (de) | 2021-12-09 | 2023-06-15 | Seepex Gmbh | Gelenkverbindung, rotierende Einheit und Exzenterschneckenpumpe |
DE102021132561A1 (de) | 2021-12-09 | 2023-06-15 | Seepex Gmbh | Gelenkverbindung, rotierende Einheit und Exzenterschneckenpumpe |
WO2023104389A1 (de) | 2021-12-09 | 2023-06-15 | Seepex Gmbh | Gelenkverbindung innerhalb einer rotierenden einheit einer exzenterschneckenpumpe |
DE102022119147A1 (de) | 2022-07-29 | 2024-02-01 | Ruhr-Universität Bochum, Körperschaft des öffentlichen Rechts | Verfahren zur Bestimmung oder Überwachung des Förderstroms einer Exzenterschneckenpumpe |
WO2024022786A1 (de) | 2022-07-29 | 2024-02-01 | Seepex Gmbh | Verfahren zur bestimmung oder überwachung des förderstroms einer exzenterschneckenpumpe |
WO2024132945A1 (de) | 2022-12-23 | 2024-06-27 | Seepex Gmbh | Verfahren zur steuerung einer exzenterschneckenpumpe |
DE102022134734A1 (de) | 2022-12-23 | 2024-07-04 | Ruhr-Universität Bochum, Körperschaft des öffentlichen Rechts | Verfahren zur Steuerung einer Exzenterschneckenpumpe |
Also Published As
Publication number | Publication date |
---|---|
JP2010537095A (ja) | 2010-12-02 |
ES2387834T3 (es) | 2012-10-02 |
CN101796301B (zh) | 2013-05-15 |
HK1144457A1 (en) | 2011-02-18 |
US20100196182A1 (en) | 2010-08-05 |
PL2176552T3 (pl) | 2012-10-31 |
EP2176552B1 (de) | 2012-05-16 |
EP2176552A1 (de) | 2010-04-21 |
US8439659B2 (en) | 2013-05-14 |
CN101796301A (zh) | 2010-08-04 |
BRPI0815403A2 (pt) | 2015-02-03 |
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