EP1788248B1 - Pompe péristaltique - Google Patents

Pompe péristaltique Download PDF

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Publication number
EP1788248B1
EP1788248B1 EP06023499A EP06023499A EP1788248B1 EP 1788248 B1 EP1788248 B1 EP 1788248B1 EP 06023499 A EP06023499 A EP 06023499A EP 06023499 A EP06023499 A EP 06023499A EP 1788248 B1 EP1788248 B1 EP 1788248B1
Authority
EP
European Patent Office
Prior art keywords
hose
pump
stamps
accordance
recess
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.)
Not-in-force
Application number
EP06023499A
Other languages
German (de)
English (en)
Other versions
EP1788248A2 (fr
EP1788248A3 (fr
Inventor
Franz Xaver Klämpfl
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1788248A2 publication Critical patent/EP1788248A2/fr
Publication of EP1788248A3 publication Critical patent/EP1788248A3/fr
Application granted granted Critical
Publication of EP1788248B1 publication Critical patent/EP1788248B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F04B43/08—Machines, pumps, or pumping installations having flexible working members having tubular flexible members
    • F04B43/082—Machines, pumps, or pumping installations having flexible working members having tubular flexible members the tubular flexible member being pressed against a wall by a number of elements, each having an alternating movement in a direction perpendicular to the axes of the tubular member and each having its own driving mechanism
    • 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
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber

Definitions

  • Peristaltic pumps are e.g. used in dialysis for blood transport.
  • Usual are roller pumps, in which a rotating roller carrier is provided, wherein the rollers gradually compress a piece of the tube over its length, thus conveying the liquid forward.
  • rolling the rollers on the hose creates friction (rolling resistance) and wear. The speed can therefore be relatively low.
  • a peristaltic pump in which the hose is pressed by the side of a pivotable, successively operated pressure fingers against a support surface for the hose.
  • a rotating eccentric is provided, which acts on the other side of the pressure fingers.
  • the peristaltic pump consists of many parts, has a large volume and is prone to failure and expensive.
  • Out FR 1 430 288 is a hose pump with a receiving part for a flexible hose in a recess and a ring with a plurality of radially extending punches which are pressed with their outer ends against the tube lying in the recess known. Furthermore, acts on the inner end of the punch, a motor-driven, non-circular rotor such that the punch pressed during the rotation of the rotor progressively against the hose and then moved back in the opposite direction to release the hose one after the other.
  • the stamps are wrapped at their outer ends by an elastic band, which presses the punch with their inner ends against the rotor.
  • the stamps are in holes a ring guided longitudinally displaceable.
  • the peristaltic pump is made up of relatively many individual parts consuming.
  • the invention has for its object to build a peristaltic pump of a few items and to prevent the rolling resistance, so that higher speeds are possible and the wear of the hose is low.
  • the hose 2 is made of flexible material and is located in a recess 3, which results from pump body 1 and receiving part 1a.
  • the recess 3 is formed by a plastic cover 4, which in Fig. 1 is omitted, closed.
  • a wheel 5 is arranged with a plurality of approximately radially located punches 6, which are interconnected by resilient webs 7.
  • the stamp 6 are with their outer ends by a non-circular, z. B. elliptical rotor 8 progressively pressed against the tube 2 and lie with their inner ends on the rotor 8 at.
  • z. B. in the direction of arrow 9
  • the tube 2 is compressed by the plunger 6 progressively peristaltic and the punch 6 are then moved back to release the tube 2 in succession. This will be liquid from the entrance 10 to the exit 11.
  • An electric motor 12 drives the rotor 8.
  • Fig. 3 is a variant in the area III of Fig. 2 shown.
  • a yielding material 14 is applied to the punches 6 opposite the tube bed 13 of the recess 3, which prevents excessive squeezing of the tube 2.
  • the punch 6 may be formed resiliently in its longitudinal direction.
  • Fig. 4 a U-shaped receiving part 15 in which the tube 2 is located between serving as stops 16 sides, which rests on the elastic material 14 and is movable in the direction of the tube bed 13 of the recess 3.
  • the pressing path of the hose 2 is limited. The latter is not completely compressed and thus z. B. lowered the hemolysis rate of blood pumps.
  • the Fig. 5 shows that the hose 2 between the wheel 5 (punch 6) and the hose bed 13 can be biased so that the flexing is reduced. In the recess 3, a further, unbiased hose 2a is arranged.
  • the hose pump can therefore work simultaneously with several hoses.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)

Claims (7)

  1. Pompe tubulaire ayant une pièce de logement (1 a) pour un tuyau (2, 2a) flexible dans un évidement (3) et ayant une roue (5) avec une pluralité de pistons (6) qui s'étendent environ en direction radiale et dont les extrémités extérieures peuvent être pressées contre le tuyau (2, 2a) se trouvant dans l'évidement (3), les pistons (6) étant reliés l'un à l'autre de façon solidarisée par des étais (7) élastiques et étant formés comme une pièce en matière plastique, un rotor (8) excentrique, actionné par moteur, agissant sur les extrémités intérieures des pistons, de telle manière que lors de la rotation du rotors (8), les pistons (6) sont pressés progressivement contre le tuyau (2, 2a) et sont retirés en sens inverse l'un après l'autre pour relâcher le tuyau (2, 2a).
  2. Pompe tubulaire selon la revendication 1, caractérisée en ce que le rotor (8) a une section elliptique.
  3. Pompe tubulaire selon l'une quelconque des revendications 1 ou 2, caractérisée en ce qu'une matière (14) flexible est appliquée sur le logement (13) du tuyau, de l'évidement (3), qui se trouve opposé des pistons (6).
  4. Pompe tubulaire selon l'une quelconque des revendications 1 à 3, caractérisée en ce que les pistons (6) sont formés de façon élastique en direction longitudinale.
  5. Pompe tubulaire selon l'une quelconque des revendications 1 à 4, caractérisée en ce que des butées (16) enfermant le tuyau (2, 2a) latéralement sont prévues pour les pistons (6) dans l'évidement (3).
  6. Pompe tubulaire selon la revendication 5, caractérisée en ce que les butées (16) forment les côtés d'une pièce de logement (15) en forme d'un U pour le tuyau (2, 2a) et en ce que cette pièce de logement (15) s'appuye sur la matière (14) flexible.
  7. Pompe tubulaire selon l'une quelconque des revendications 1 à 6, caractérisée en ce qu'un anneau (17) flexible s'appuye contre les extrémités intérieures des pistons (6) et en ce que des corps à rouleaux (18) se trouvent entre cet anneau (17) et le rotor (8), dites corps à rouleaux (18) étant menés à travers une cage (19) flexible.
EP06023499A 2005-11-18 2006-11-11 Pompe péristaltique Not-in-force EP1788248B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005055013A DE102005055013B3 (de) 2005-11-18 2005-11-18 Schlauchpumpe

Publications (3)

Publication Number Publication Date
EP1788248A2 EP1788248A2 (fr) 2007-05-23
EP1788248A3 EP1788248A3 (fr) 2008-03-12
EP1788248B1 true EP1788248B1 (fr) 2011-10-12

Family

ID=37715153

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06023499A Not-in-force EP1788248B1 (fr) 2005-11-18 2006-11-11 Pompe péristaltique

Country Status (3)

Country Link
EP (1) EP1788248B1 (fr)
AT (1) ATE528509T1 (fr)
DE (1) DE102005055013B3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7950908B2 (en) * 2005-01-26 2011-05-31 Seiko Epson Corporation Fluid transporting device of a peristalic type with tube and push pin arrangement
DE102007012147B4 (de) 2007-03-12 2008-11-27 Heinz Bormann Prüfvorrichtung für einen Feuerwehrschlauch und Prüfverfahren zur Anwendung der Prüfvorrichtung
DE102013102129B4 (de) * 2013-03-05 2024-09-19 Vitesco Technologies GmbH Pumpe zur Förderung einer Flüssigkeit mit verformbarer Membran sowie Kraftfahrzeug
CN110461384A (zh) 2017-03-23 2019-11-15 美德乐控股公司 具有可耦联的蠕动泵单元的设备
CN110761981A (zh) * 2019-11-07 2020-02-07 广东伟创科技开发有限公司 一种挤压回弹组合式蠕动泵
CN117090754B (zh) * 2023-10-20 2023-12-26 保定齐力恒流泵有限公司 一种可微调流量控制结构的蠕动泵

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1430288A (fr) * 1965-01-19 1966-03-04 Rech S Et D Applic Thermo Elec Nouvelle pompe, plus particulièrement destinée aux usages chirurgicaux
DE1911874A1 (de) * 1969-03-08 1970-12-10 Wehrle Werk Ag Schlauchpumpe
DE1966525A1 (de) * 1969-07-09 1973-03-01 Siegfried Stauber Rotations-ver-draengerpumpe. ausscheidung aus
DE2152352A1 (de) * 1971-10-21 1973-04-26 Bodenseewerk Perkin Elmer Co Schlauchpumpe
JPS61228872A (ja) * 1985-04-01 1986-10-13 シャープ株式会社 薬液注入装置
US4671792A (en) * 1986-02-18 1987-06-09 American Hospital Supply Corporation Pressure-regulating peristaltic pump
ATE250185T1 (de) * 1996-03-12 2003-10-15 Ahmad-Maher Moubayed Peristaltische pumpe mit quetschfingern zum sicherstellen des völligen abschlusses
DE10246469A1 (de) * 2002-10-04 2004-04-15 Applica Gmbh Pumpvorrichtung

Also Published As

Publication number Publication date
DE102005055013B3 (de) 2007-03-01
ATE528509T1 (de) 2011-10-15
EP1788248A2 (fr) 2007-05-23
EP1788248A3 (fr) 2008-03-12

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