EP0723081B1 - Pompe à hélice pour convoyer de la matière fluide - Google Patents

Pompe à hélice pour convoyer de la matière fluide Download PDF

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Publication number
EP0723081B1
EP0723081B1 EP95120203A EP95120203A EP0723081B1 EP 0723081 B1 EP0723081 B1 EP 0723081B1 EP 95120203 A EP95120203 A EP 95120203A EP 95120203 A EP95120203 A EP 95120203A EP 0723081 B1 EP0723081 B1 EP 0723081B1
Authority
EP
European Patent Office
Prior art keywords
stator
hoses
pump
eccentric
rotor
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
EP95120203A
Other languages
German (de)
English (en)
Other versions
EP0723081A1 (fr
Inventor
Klemens Fockenberg
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.)
Seepex GmbH
Original Assignee
Seepex Seeberger GmbH and Co
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 Seepex Seeberger GmbH and Co filed Critical Seepex Seeberger GmbH and Co
Publication of EP0723081A1 publication Critical patent/EP0723081A1/fr
Application granted granted Critical
Publication of EP0723081B1 publication Critical patent/EP0723081B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
    • 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
    • F04C2/1076—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 orbits or wobbles relative to the other member which rotates around a fixed axis

Definitions

  • a worm pump of the construction described above is made known by GB-A-2 029 514.
  • This points including one driven by a drive axle helically wound eccentric screw rotor with constant circular cross section.
  • the one in a stator room longitudinal elastic hoses are by means of end plates through the stator.
  • openings are provided in the aforementioned plates.
  • central openings that accommodate the recording serve a drive or rotational axis.
  • the gap play or Fit between eccentric screw rotor and stator like this adjust that this is about twice the wall thickness of the corresponds to elastic hoses. Consequently, attack the Hoses running in the longitudinal direction to which can lead to unavoidable damage. Especially can be stretched, for example in connection with Aging effects can lead to tearing, not to be excluded.
  • the invention is based on the technical problem Worm pump of the construction described above with regard Improve resistance and wear problems.
  • the invention teaches to solve this technical problem in a generic screw pump for flowable Pump material that the stator chamber is longitudinal, partially cylindrical Stator wall sections and at least two between the Stator wall sections longitudinal cavities for the has resilient hoses disposed therein, and that the stator wall sections with a clearance to the Sum of eccentricity distance and cross section radius of the Eccentric screw rotor adapted radius.
  • the invention is based on the knowledge that despite of the open, helical channel between the eccentric screw rotor and the partially cylindrical stator wall sections can achieve a promotional effect if the stator between the stator wall sections with longitudinal Cavities and hoses arranged in them is provided: between the longitudinal hoses and the helical circumferential areas of the Eccentric screw rotor creates cutting areas with Sealing lines used to generate lengthways spaced sealing areas of the hoses are used. Sealing areas and conveying spaces enclosed between them by rotating the eccentric screw rotor in the conveying direction moved so that the pumped material is conveyed.
  • Auger pump multi-flow that is, for simultaneous Promotion of several, independent pump material flows suitable.
  • the pumping material is conveyed in sections compressed hoses is basically known as Peristaltic pumps known from practice (see Ullmanns Encyclopedia of Technical Chemistry, 1973, Volume 3, page 169).
  • a hose through several, along the Hose moving displacers such as rollers or Sliding shoes compressed.
  • a multi-flow arrangement requires and is an increase in the number of these displacers constructively complex.
  • the hoses while reducing their lifespan in the longitudinal direction stretched.
  • the screw pump according to the invention produces on the other hand, no expansion of the hoses because of frictional forces between rotor and hose essentially only in the circumferential direction of the eccentric screw rotor act.
  • the eccentric screw rotor not only with one, but with several gears. Due to the increase in the length of the pump stator Number of sealing areas can be the tightness of the Increase the screw pump and the achievable pressure.
  • the Pump stator of the screw pump according to the invention can are basically made of any material. For The use of a has been gentle on the hoses elastic material with a hardness between 90 and 95 Shore A especially proven. Regarding an even and low pulsation running of the screw pump, it is from Advantage, cavities and hoses equidistant on the Distribute the circumference of the stator space.
  • Another preferred embodiment lie to promote the same Hoses serving the goods to be pumped on each other in pairs opposite the circumference of the stator space, so that at one later merging of the streams does not equal pumped goods Pulsation occurs.
  • Another preferred embodiment provides for hoses in the cavities different diameters are recordable. Hereby different amounts in the individual tubes are funded by Pumpgut. The ratio of the funded The quantity depends on the speed and gradient of the eccentric screw rotor and thus the total output independently, so that the device according to the invention be used especially for dosing and mixing tasks can, with the control of various individual pumps There is no change in the total output. It goes without saying that the depths and breadth of the cavities the different hose diameters can be adjusted.
  • the device shown in the figures serves as a screw pump for flowable pump material.
  • the necessary ones Units for drive, storage of the eccentric screw rotor as well as for the supply and removal of the pumped goods have been improved Clarity not shown.
  • FIG. 1 shows hatched the circular cross section of the Eccentric screw rotor.
  • the center 3 of the eccentric screw rotor points to the axis of rotation 4 Eccentricity distance e on.
  • the pump stator 5 includes one Stator chamber 6, in which the eccentric screw rotor 2 as is rotatably arranged.
  • a comparative 1 and 2 it can be seen that the stator space 6 longitudinally running, partially cylindrical stator wall sections 7 having.
  • Fig. 2 shows a fitting game s between the Eccentric screw rotor 2 and the pump stator 5, through which allows wear-free operation of the two components becomes.
  • the radius R of the partially cylindrical stator wall sections 7 is out of the sum with this fit s Cross-sectional radius r of the eccentric screw rotor 2 and Eccentricity adjusted e, as can be seen in Fig. 2.
  • the Eccentricity e is 23% of the embodiment Eccentric screw rotor diameter. It can be seen that the Rotation axis 4 and the longitudinal axis 4 of the stator space 6 coincide and so far a central drive of the Eccentric screw rotor takes place.
  • Fig. 2 shows four Cavities 8 in the stator chamber 6. These run as shown in FIG. 1 shows in the longitudinal direction between the Stator wall sections 7. In the cavities 8 are elastic hoses 9 arranged. The one shown The worm pump has four channels. The funding mechanism is in 1 can be seen well.
  • the Sealing line between eccentric screw rotor 2 and hoses 9 runs in one of the pitch of the eccentric screw rotor 2 dependent angles to the longitudinal direction of the tubes 9.
  • the eccentric screw rotor 2 shown is catchy, it can but can also be easily carried out in multiple courses.
  • Hoses 9 are made of elastic rubber or plastic be made.
  • the pump stator 5 Use of an elastic material with a hardness of 90 Up to 95 Shore A advantageous for protecting the hoses. in the the rest of the chemical resistance of the Eccentric screw rotor and pump stator material only low requirements, so that inexpensive materials can be used.
  • Fig. 2 shows that the tubes 9th are distributed equidistantly around the circumference of the stator space.
  • two different items to be pumped be promoted, so it is beneficial to low pulsation Convey each pump good in pairs on the circumference of the stator chamber 6 opposite hoses 9 use.
  • the hoses 9 shown in Fig. 2 have the same diameter and promote the same Pump material flows. It is easy to see in Fig. 2 that the Diameter of the hoses can be changed easily can to increase the delivery rate of the individual hoses vary. In operation, the ratio of those in the Hoses 9 pumped material flows constant and from Total throughput or of speed and slope of the Eccentric screw rotor 2 be independent.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Reciprocating Pumps (AREA)
  • Electromagnetic Pumps, Or The Like (AREA)

Claims (6)

  1. Pompe à vis (1) pour produit à pomper coulant,
    avec rotor à vis excentrique (2) entraíné et enroulé en spirale, de section circulaire constante, dont le centre (3) est espacé de l'axe de rotation (4) du rotor à vis excentrique (2) d'une distance d'excentricité (e),
    avec un stator de pompe (5) avec chambre de stator (6), et
    avec des tuyaux élastiques (9) pénétrant à l'intérieur de la chambre de stator (6) et s'étendant longitudinalement dans celle-ci,
    le rotor à vis excentrique (2) étant monté tournant dans la chambre de stator (6), en outre
    l'axe de rotation (4) du rotor à vis excentrique (2) et l'axe longitudinal (4) de la chambre de stator (6) coïncidant, en outre
    les tuyaux (9) étant comprimés par endroits, dans des zones d'étanchéité (10), par les zones du rotor à vis excentrique (2) les plus éloignées de l'axe de rotation (4) et présentant des chambres de circulation (11) entre les zones d'étanchéité (10), et
    les zones d'étanchéité (10) et les chambres de refoulement (11) étant déplacées, par rotation du rotor à vis excentrique (2), dans le sens de circulation, le long des tuyaux (9),
    caractérisée en ce que
    la chambre de stator (6) présente des portions de paroi de stator (7) en partie cylindriques, s'étendant longitudinalement et au moins deux logements (8), s'étendant longitudinalement entre les portions de paroi de stator (7), pour les tuyaux élastiques (9) disposés à l'intérieur, et en ce que
    les portions de paroi de stator (7) présentent un rayon (R) adapté, avec un jeu d'adaptation (s), à la somme de la distance d'excentricité (e) et du rayon (r) de la section transversale du rotor à vis excentrique (2).
  2. Pompe à vis selon la revendication 1, caractérisée en ce que le rotor à vis excentrique (2) est à plusieurs pas.
  3. Pompe à vis selon la revendication 1 ou 2, caractérisée en ce que le stator de pompe (5) est fabriqué dans un matériau élastique d'une dureté comprise entre 90 et 95 Shore A.
  4. Pompe à vis selon l'une des revendications 1 à 3, caractérisée en ce que les logements (8) sont répartis équidistants sur le pourtour de la chambre de stator (6).
  5. Pompe à vis selon l'une des revendications 1 à 4, caractérisée en ce que des tuyaux (9), recevant le même produit à pomper, se font face deux par deux sur le pourtour de la chambre de stator (6).
  6. Pompe à vis selon l'une des revendications 1 à 5, caractérisée en ce que dans les logements (8) peuvent être logés des tuyaux (9) d'un diamètre différent.
EP95120203A 1995-01-19 1995-12-20 Pompe à hélice pour convoyer de la matière fluide Expired - Lifetime EP0723081B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19501441 1995-01-19
DE19501441A DE19501441C1 (de) 1995-01-19 1995-01-19 Mehrflutige Schlauchpumpe

Publications (2)

Publication Number Publication Date
EP0723081A1 EP0723081A1 (fr) 1996-07-24
EP0723081B1 true EP0723081B1 (fr) 1999-02-03

Family

ID=7751802

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95120203A Expired - Lifetime EP0723081B1 (fr) 1995-01-19 1995-12-20 Pompe à hélice pour convoyer de la matière fluide

Country Status (8)

Country Link
US (1) US5620313A (fr)
EP (1) EP0723081B1 (fr)
JP (1) JPH08319939A (fr)
CN (1) CN1133944A (fr)
AT (1) ATE176520T1 (fr)
CA (1) CA2167545C (fr)
DE (2) DE19501441C1 (fr)
ES (1) ES2127460T3 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3414171B2 (ja) 1996-11-29 2003-06-09 株式会社デンソー 熱交換器
US6267570B1 (en) 1999-02-16 2001-07-31 Arne D. Armando Peristaltic pump
DE10125939A1 (de) * 2001-05-23 2002-12-05 Gunter Kraus Pumpe, vorzugsweise zum Einsatz bei Windkraftanlagen
US6905319B2 (en) 2002-01-29 2005-06-14 Halliburton Energy Services, Inc. Stator for down hole drilling motor
US7396351B2 (en) * 2003-11-05 2008-07-08 Boston Scientific Scimed, Inc. Device and method for the delivery of viscous fluids in the body
CA2601861C (fr) * 2005-04-07 2011-12-13 Marion H. Bobo Tete de pompe peristaltique
US20070237642A1 (en) * 2006-04-10 2007-10-11 Murrow Kurt D Axial flow positive displacement worm pump
US20090211474A1 (en) * 2008-02-22 2009-08-27 Atwater Richard G Printing press inking systems
DE202009001865U1 (de) * 2009-02-11 2010-07-22 Krauss, Gunter Pumpe, insbesondere Schlauchpumpe
US8777597B1 (en) * 2010-01-27 2014-07-15 Robert C. Geschwender Linear peristaltic pump having a platen and pressure plate with curved surfaces
DE102010022704A1 (de) * 2010-06-04 2011-12-08 Wilo Se Hebeanlage zum Entsorgen häuslicher Abwässer
US9693896B2 (en) 2013-03-15 2017-07-04 Novartis Ag Systems and methods for ocular surgery
RU2687770C2 (ru) 2013-11-05 2019-05-16 Новартис Аг Офтальмологическая система смазки и сопутствующие приборы, системы и способы
DE102014118926B4 (de) * 2014-12-17 2023-02-02 Watson Marlow Gmbh Fördervorrichtung
DE102014118924A1 (de) * 2014-12-17 2016-06-23 Qonqave Gmbh Fördervorrichtung
CN108260840A (zh) * 2016-12-30 2018-07-10 周安定 食品打印用的直线蠕动泵
DE202018003997U1 (de) 2018-08-28 2019-12-04 Gunter Krauss Pumpe, insbesondere Schlauchpumpe
DE102019116601A1 (de) * 2019-06-19 2021-01-07 Ralf Hannibal Schlauchquetschpumpe

Family Cites Families (18)

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US2015123A (en) * 1934-05-11 1935-09-24 Pennell Samuel Blood transfusion apparatus
US2621605A (en) * 1945-10-12 1952-12-16 Clayton Mark & Company Pump
US2629333A (en) * 1950-07-01 1953-02-24 Roger G Olden Rotary compress pump
US2752860A (en) * 1953-02-25 1956-07-03 Du Pont Pump
GB800154A (en) * 1955-09-30 1958-08-20 Ahmad Aziz Improvements in or relating to rotary pumps or motors
FR1335006A (fr) * 1962-06-12 1963-08-16 Machine rotative utilisable notamment comme pompe
US3340817A (en) * 1965-10-18 1967-09-12 Gustave W Kemnitz Pump
US3951576A (en) * 1974-09-23 1976-04-20 Lofquist Jr Alden A Rotary diaphragm pump
EP0004729B1 (fr) * 1978-03-23 1983-02-23 Daniel Joseph Bradley Dispositif et procédé pour l'enregistrement de phénomènes optiques répétitifs ultra-rapides
GB2029514A (en) * 1978-08-31 1980-03-19 Charlesworth M Peristaltic fluid-machines
JPS5692387A (en) * 1979-12-26 1981-07-27 Kuraray Co Ltd Liquid feeding pump utilizing spiral-type rotary body
JPS58116690A (ja) * 1981-12-28 1983-07-11 Denki Kagaku Kogyo Kk Ｄ−β−ヒドロキシアミノ酸の製造法
FR2523656A1 (fr) * 1982-03-18 1983-09-23 Commissariat Energie Atomique Pompe rotative a membrane
GB8510382D0 (en) * 1985-04-24 1985-05-30 Russell D Peristaltic pump
JPS6321375A (ja) * 1986-07-15 1988-01-28 Mitsui Constr Co Ltd 流動化物圧送ポンプ
JPH02171308A (ja) * 1988-12-24 1990-07-03 Sumitomo Rubber Ind Ltd 空気入りタイヤ
RU2004850C1 (ru) * 1991-04-03 1993-12-15 Станислав Владимирович Варварин Волновой насос со шлангами
HU212559B (en) * 1993-02-12 1996-08-29 Ferenczy Rotating piston pump for fluids and gases

Also Published As

Publication number Publication date
DE59505030D1 (de) 1999-03-18
JPH08319939A (ja) 1996-12-03
CA2167545C (fr) 2000-10-03
CA2167545A1 (fr) 1996-07-20
DE19501441C1 (de) 1996-04-04
CN1133944A (zh) 1996-10-23
ATE176520T1 (de) 1999-02-15
EP0723081A1 (fr) 1996-07-24
US5620313A (en) 1997-04-15
ES2127460T3 (es) 1999-04-16

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