WO2005026550A2 - Pompe péristaltique a portée amovible déformable - Google Patents
Pompe péristaltique a portée amovible déformable Download PDFInfo
- Publication number
- WO2005026550A2 WO2005026550A2 PCT/FR2004/002264 FR2004002264W WO2005026550A2 WO 2005026550 A2 WO2005026550 A2 WO 2005026550A2 FR 2004002264 W FR2004002264 W FR 2004002264W WO 2005026550 A2 WO2005026550 A2 WO 2005026550A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- peristaltic pump
- tube
- housing
- upstream
- pump according
- Prior art date
Links
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
- F04B43/1253—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
- F04B43/1284—Means for pushing the backing-plate against the tubular flexible member
-
- 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
- F04B43/1253—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
Definitions
- a large majority of peristaltic pumps have a casing with an internal cylindrical face, called a bearing surface, against which the tube is crushed by the rollers to guarantee the tightness of the tube.
- the envelope swept by the trajectories of the outer faces of the rollers is called the raceway.
- the main element of a peristaltic pump is its pump body tube generally made of an elastomeric material.
- the pump body tubes are produced by extrusion. The physical and dimensional characteristics of the tubes given by the manufacturer are only average values.
- the upstream and downstream tracks consist of lateral faces of recesses made in the first and second main walls of the housing.
- the upstream and downstream tracks are notched.
- the bearing comprises secondary guide means placed at the apex of the deformable intermediate portion and projecting laterally on either side of the latter
- the housing comprises first and second grooves made along the main plane of symmetry in first and second main walls of the housing, the grooves being intended to cooperate with the secondary guide means to maintain the range symmetrically with respect to the main plane of symmetry during operation of the peristaltic pump.
- the pump comprises storage means making it possible to maintain the range on the housing so that the pump body tube is not constrained during storage of the pump, the storage means allowing the scope to be positioned correctly. when using the pump.
- the housing has fixed upstream and downstream counter-bearings placed respectively opposite the first and second inner faces of the first and second lateral arms to maintain the fixed tube relative to the range when using the peristaltic pump.
- the pump comprises a removable pre-assembled sub-assembly consisting at least of a bearing surface and a tube.
- the invention also relates to a pre-assembled sub-assembly consisting of at least one bearing surface and a tube for a peristaltic pump according to one of the pumps described above.
- the sub-assembly also comprises an external part of the housing, the external part carrying tracks.
- the invention also relates to a pre-assembled sub-assembly consisting of a bearing surface and a tube for a peristaltic pump according to what is described above.
- FIG. 1 is an exploded perspective view of the preferred embodiment of the peristaltic pump according to the invention
- Figure 2 is a front view of the peristaltic pump of Figure 1, one of the half-housings being removed for reasons of clarity
- Figure 3 is a section along the plane III-III, said main plane of symmetry P, of the peristaltic pump of Figure 2
- Figure 4 is a schematic representation of the forces acting on the movable surface of the peristaltic pump of Figure 1
- Figure 5 is a set of curves representing different profiles of the movable range of the peristaltic pump of Figure 1
- Figure 6 is a perspective view of another embodiment of the peristaltic pump according to the invention
- Figure 7 is a front view of yet another embodiment of the peristaltic pump according to the invention.
- the peristaltic pump 100 comprises a housing 200, a drive device 300, a movable bearing 400 and a deformable pump body tube 500 (shown in phantom in Figure 2).
- the housing 200 is composed of a first half-housing 201 and a second half-housing 202.
- the first and second half-housings are strictly identical. If they are made of plastic, as in the presently preferred embodiment, each of the two half-housings can be molded using a single mold.
- the first half-housing 201 will now be described in detail.
- the first half-housing 201 has a first main wall 203. In the assembled position of the first and second half-housings 201 and 202 one on the other, the face of the first main wall 203 placed facing the second half-housing 202 is called "first interior face" 205 a. The face of the first main wall 203 opposite the first inner face 205a is called “first outer face” 205b.
- the first main wall 203 generally has the shape of an isosceles triangle.
- the base of this triangle is placed “horizontally”, and the height from the base is placed “vertically”.
- the qualifiers "horizontal” and “vertical” are arbitrary and do not presuppose a particular orientation of the peristaltic pump, but simply allow to give an orientation relative to the elements which they qualify.
- the plane perpendicular to the base and containing the height will be called “main plane of symmetry” and will be noted P throughout this document.
- the first main wall 203 On the side of the first inner face 205a, the first main wall 203 has a bore 207 whose axis A, horizontal in FIG. 2, rests in the main plane of symmetry P.
- the bore 207 has a shoulder 209.
- the first guide means 413 are, in the currently preferred embodiment, constituted by first edges 413a and 413b.
- the width of the gripping means 409 is greater than the width of the first lateral arm 403 so as to form front and rear bearings on either side of the latter.
- These front and rear bearings respectively have two bosses, the junction of which forms a first front edge 413a and a first rear edge 413b.
- the first front edge is an extension of the first rear edge.
- the second lateral arm 404 comprises second guide means 414, the latter being constituted by second front and rear edges 414a and 414b.
- the movable surface 400 has a certain flexibility in the intermediate portion 401.
- the first and second lateral arms 403 and 404 are rigid.
- the mobile bearing is in this embodiment made in one piece by molding a plastic material. It is therefore necessary for the thickness of the intermediate portion 401 to be less than the thickness of the first and second lateral arms 403 and 404.
- the intermediate interior face 405 is tangentially connected to the first and second interior faces of the lateral arms, and no discontinuity of the inner face of the movable surface 400 is present, the variation in thickness between the intermediate portion 401 and each of the first and second lateral arms 403 and 404 is caught up on the outer face of the movable range 400 at the end points C and D of the intermediate portion 401.
- the movable surface is made of metal.
- the movable range 400 is also placed symmetrically on either side of the main plane of symmetry P. The correct positioning of the movable range 400 is done automatically. No particular adjustment is requested from the user.
- the intermediate portion 405 is housed between the first and second main walls 203 and 204 of the two half-housings 201 and 202.
- the width of the movable surface L is consequently slightly less than 2 H.
- R r + 2 ⁇ e, where R is the radius of the intermediate inner face 405 of the intermediate portion 401; r is the radius of the raceways 209a and 210a which is a geometric constant of the peristaltic pump 100; e is the thickness of the deformable tube 500 and ⁇ a dimensionless parameter less than one, indicating the crushing of the two walls of the tube one on the other to reach the nominal sealing dimension.
- the amplitude of the crushing force F is low when it comes to deforming the tube 500 by bringing its walls one towards the other, then undergoes a discontinuity and quickly grows once the two walls are brought into contact with each other. If, for example, the tube 500 is already at its sealing rib, but at a distance too close to the axis of rotation A, the roller will apply a crushing force F that is too great. We will show in what follows that the mobile bearing 400 will move so as to move the tube 500 away from the axis of rotation A. The crushed tube 500 transmits the crushing force F to the mobile bearing 400 at the point contact, here the apex B.
- the pump parts are made of polyurethane.
- the pump has a radius r of approximately 18 mm.
- the unconstrained radius R of the span is 19 mm.
- the rigid lateral arms have a length L of 40 mm corresponding to 2 R.
- the deformations of the profile of the movable surface are shown in FIG. 5.
- the variation in radius ⁇ R is approximately 10% of the value of radius R, which leads at a maximum radius of 21 mm.
- the opening angle of the latter increases from approximately 66 ° to 60 °.
- the thickness of the movable surface at the intermediate portion is 3 mm, while the thickness of the mobile range at the first and second lateral arms is 5 mm.
- the force applied by the tube to the movable surface is a radial force M having a component M PT in the main plane of symmetry P having the effects described above, but also a component M PP perpendicular to said main plane of symmetry P having the effect of pushing the movable bearing surface 400 out of the main plane of symmetry.
- This additional metal clip has an axis parallel to the axis A. L additional clip projects on either side of the movable bearing surface 400 and engages in first and second grooves 251 and 252 (FIG.
- the immediate advantage is to allow the reuse, from one application to another, both of the electric motor and of the motor shaft 301, as in the prior art, but also of the whole of the frame composed of the housing 200 and drive device 300.
- the consumable having a reduced number of parts is less expensive. It is easily positioned, adjusts automatically and helps to avoid adjustment errors.
- the peristaltic pump according to the invention can be used with various types of tubes.
- the variation in the thickness of the walls of the tube having various origins (manufacture, wear, different types of tube etc.) is automatically compensated for by adjusting the radius of the intermediate inner face of the movable seat.
- FIG. 6 represents another embodiment of the invention.
- the interchangeable sub-assembly can for example be connected to a bottle containing a liquid to be pumped.
- the user brings together the fixed and interchangeable subassemblies together to form a peristaltic pump with its volume of liquid to be pumped.
- the movable bearing surface 400 consists of a metal blade comprising an intermediate portion in an arc of a circle and rectilinear and rigid upstream and downstream lateral arms positioned on either side of the intermediate portion.
- the thickness of the movable surface 400 is small.
- the guide means are upstream bosses 473 a and 473b and downstream bosses 474a and 474b constituted by tongues cut from the mass of the metal strip when the latter is cut.
- the peristaltic pump consists in that the upstream and downstream guide tracks 251 and 252 are not positioned on the upstream side faces 221 and 222 and downstream 223 and 224 of the housing, but on the side faces of recesses practiced in the main walls of the housing. More particularly, the first main wall 263 of the external part 260 comprises a first upstream recess 265 and a first downstream recess 266. Similarly, the second main wall 264 of the external part 260 comprises a second upstream recess 266 and a second recess downstream 268.
- the first and second upstream and downstream lateral faces are no longer smooth surfaces, but have a plurality of 280 millimeter notches.
- the shape of each notch 280 is asymmetrical.
- a notch consists of a short face 281, oriented in the direction of the main plane of symmetry P, making a significant angle with the tangent of the layout of the runway 251 or 252, and a long face 282, oriented away from the plane of main symmetry P, making a slight angle with the tangent to the course of track 251 or 252.
- the wedge 290 allows, in the storage position of the peristaltic pump, to keep the movable range 400 away from the rollers 321- 323 so that the pump body tube 500 is not crushed or constrained during this storage period.
- the wedge 290 is of generally parallelepiped shape and is capable of being inserted in the groove 251.
- the face 291 of the wedge 290 bearing on the roller 323 located in the " main plane P is circular. It has a radius of curvature equal to that of the outer face of the roller 323.
- the clip located at the apex of the movable surface comes to bear on a face 292 of the wedge 290 opposite to the cylindrical face 291.
- the drive motor forces to apply additional torque so that the roller 323 disengages from the wedge 290 and can roll along the raceway 209.
- the wedge 290 is then pushed upwards and raises the movable range 400 Then, once the roller 323 is disengaged from the wedge 290, the latter falls behind the roller 323 in the interval between two successive rollers.
- the movable bearing 400 which is then no longer supported by the wedge 290 slides along the groove 251 and has just automatically placed in its correct operating position.
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/570,149 US7704057B2 (en) | 2003-09-08 | 2004-09-07 | Peristaltic pump with a removable and deformable carrier |
AT04787319T ATE454554T1 (de) | 2003-09-08 | 2004-09-07 | Schlauchpumpe mit entfernbarem und verformbarem träger |
CN2004800316494A CN101415946B (zh) | 2003-09-08 | 2004-09-07 | 具有可取下和可变形的支承架的蠕动泵 |
JP2006525169A JP2007509267A (ja) | 2003-09-08 | 2004-09-07 | 取り外し可能で変形可能なキャリアを含む蠕動ポンプ |
DE602004025012T DE602004025012D1 (de) | 2003-09-08 | 2004-09-07 | Schlauchpumpe mit entfernbarem und verformbarem träger |
EP04787319A EP1664537B1 (fr) | 2003-09-08 | 2004-09-07 | Pompe peristaltique a portee amovible deformable |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0310557A FR2859507B1 (fr) | 2003-09-08 | 2003-09-08 | Pompe peristaltique a portee amovible deformable |
FR03/10557 | 2003-09-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2005026550A2 true WO2005026550A2 (fr) | 2005-03-24 |
WO2005026550A3 WO2005026550A3 (fr) | 2009-03-12 |
Family
ID=34178837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2004/002264 WO2005026550A2 (fr) | 2003-09-08 | 2004-09-07 | Pompe péristaltique a portée amovible déformable |
Country Status (8)
Country | Link |
---|---|
US (1) | US7704057B2 (fr) |
EP (1) | EP1664537B1 (fr) |
JP (1) | JP2007509267A (fr) |
CN (1) | CN101415946B (fr) |
AT (1) | ATE454554T1 (fr) |
DE (1) | DE602004025012D1 (fr) |
FR (1) | FR2859507B1 (fr) |
WO (1) | WO2005026550A2 (fr) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2921443A1 (fr) * | 2007-09-20 | 2009-03-27 | Fresenius Vial Soc Par Actions | Pompe peristaltique lineaire a doigts ainsi qu'une membrane et un doigt pour une telle pompe |
KR101469776B1 (ko) * | 2008-05-23 | 2014-12-05 | 엘지전자 주식회사 | 펌프 |
CN104912781B (zh) * | 2009-11-12 | 2017-04-12 | 株式会社威尔科 | 管固定件和管式泵 |
JP5510006B2 (ja) * | 2010-04-01 | 2014-06-04 | セイコーエプソン株式会社 | マイクロポンプ |
CN103402793B (zh) * | 2010-07-21 | 2016-01-20 | 阿佩利亚科技公司 | 轮胎充气系统 |
US8747084B2 (en) | 2010-07-21 | 2014-06-10 | Aperia Technologies, Inc. | Peristaltic pump |
ES2619629T3 (es) | 2012-03-20 | 2017-06-26 | Aperia Technologies | Sistema de inflado de neumáticos |
DE102012108052A1 (de) * | 2012-08-30 | 2014-03-06 | Aesculap Ag | Schlauchaufnahme einer Rollerpumpe |
US9422932B2 (en) * | 2012-11-05 | 2016-08-23 | Medtronic, Inc. | Roller pump with dynamic occlusion adjustment |
US10144254B2 (en) | 2013-03-12 | 2018-12-04 | Aperia Technologies, Inc. | Tire inflation system |
US11453258B2 (en) | 2013-03-12 | 2022-09-27 | Aperia Technologies, Inc. | System for tire inflation |
US9604157B2 (en) | 2013-03-12 | 2017-03-28 | Aperia Technologies, Inc. | Pump with water management |
CN103696951A (zh) * | 2013-12-02 | 2014-04-02 | 北京机械设备研究所 | 一种输送真空环境下流体的蠕动泵 |
GB2537340B (en) * | 2015-01-12 | 2017-08-23 | Spectrum Medical Ltd | Pump tube retention mechanism |
CN107795464B (zh) * | 2016-09-05 | 2019-03-26 | 厦门科际精密器材有限公司 | 泵浦用的活塞及泵浦 |
CN109952237B (zh) | 2016-09-06 | 2022-08-26 | 阿佩利亚科技公司 | 用于轮胎充气的系统 |
WO2020112686A1 (fr) | 2018-11-27 | 2020-06-04 | Aperia Technologies, Inc. | Système de gonflage intégré dans le moyeu |
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 |
CN113685340B (zh) * | 2021-01-29 | 2022-11-01 | 深圳华星恒泰泵阀有限公司 | 一种具有防误触结构的蠕动泵 |
FR3126458A1 (fr) | 2021-08-27 | 2023-03-03 | L'oreal | Pompe péristaltique pour appareil électroménager, en particulier pour appareil de coiffure diffusant de la vapeur telle qu’une brosse capillaire. |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3249059A (en) * | 1964-03-31 | 1966-05-03 | Everpure | Peristaltic-type pump |
SU1262106A1 (ru) * | 1985-05-05 | 1986-10-07 | Опытно-конструкторское бюро тонкого биологического машиностроения | Перистальтический насос |
US5249937A (en) * | 1991-06-12 | 1993-10-05 | Smh Management Services Ag | Peristaltic pump with three lockingly sealed modules |
US5549461A (en) * | 1995-07-21 | 1996-08-27 | Newland; George | Peristaltic pump attachment for slurry mixers |
DE10062600A1 (de) * | 2000-12-12 | 2002-06-20 | Wom World Medicine Gmbh | Peristaltische Schlauchpumpe |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH668295A5 (de) * | 1985-05-02 | 1988-12-15 | Doltron Ag | Schlauchpumpe. |
SE466989B (sv) * | 1989-09-15 | 1992-05-11 | Data Promeditech Inc | Blodpump |
CN2100222U (zh) * | 1991-06-30 | 1992-04-01 | 文学毅 | 自动加压输液装置 |
US5759017A (en) * | 1996-01-31 | 1998-06-02 | Medtronic Electromedics, Inc. | Peristaltic pump and tube loading system |
CN2300740Y (zh) * | 1997-02-24 | 1998-12-16 | 北京市历元电子仪器技贸公司 | 蠕动泵管自动置位和复位装置 |
-
2003
- 2003-09-08 FR FR0310557A patent/FR2859507B1/fr not_active Expired - Fee Related
-
2004
- 2004-09-07 EP EP04787319A patent/EP1664537B1/fr not_active Not-in-force
- 2004-09-07 US US10/570,149 patent/US7704057B2/en active Active
- 2004-09-07 JP JP2006525169A patent/JP2007509267A/ja not_active Ceased
- 2004-09-07 AT AT04787319T patent/ATE454554T1/de not_active IP Right Cessation
- 2004-09-07 CN CN2004800316494A patent/CN101415946B/zh not_active Expired - Fee Related
- 2004-09-07 WO PCT/FR2004/002264 patent/WO2005026550A2/fr active Application Filing
- 2004-09-07 DE DE602004025012T patent/DE602004025012D1/de active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3249059A (en) * | 1964-03-31 | 1966-05-03 | Everpure | Peristaltic-type pump |
SU1262106A1 (ru) * | 1985-05-05 | 1986-10-07 | Опытно-конструкторское бюро тонкого биологического машиностроения | Перистальтический насос |
US5249937A (en) * | 1991-06-12 | 1993-10-05 | Smh Management Services Ag | Peristaltic pump with three lockingly sealed modules |
US5549461A (en) * | 1995-07-21 | 1996-08-27 | Newland; George | Peristaltic pump attachment for slurry mixers |
DE10062600A1 (de) * | 2000-12-12 | 2002-06-20 | Wom World Medicine Gmbh | Peristaltische Schlauchpumpe |
Also Published As
Publication number | Publication date |
---|---|
EP1664537B1 (fr) | 2010-01-06 |
JP2007509267A (ja) | 2007-04-12 |
US20070020130A1 (en) | 2007-01-25 |
FR2859507B1 (fr) | 2006-02-17 |
CN101415946B (zh) | 2011-05-11 |
WO2005026550A3 (fr) | 2009-03-12 |
CN101415946A (zh) | 2009-04-22 |
ATE454554T1 (de) | 2010-01-15 |
DE602004025012D1 (de) | 2010-02-25 |
FR2859507A1 (fr) | 2005-03-11 |
EP1664537A2 (fr) | 2006-06-07 |
US7704057B2 (en) | 2010-04-27 |
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