EP3001035A3 - Membrane pump - Google Patents
Membrane pump Download PDFInfo
- Publication number
- EP3001035A3 EP3001035A3 EP15002679.7A EP15002679A EP3001035A3 EP 3001035 A3 EP3001035 A3 EP 3001035A3 EP 15002679 A EP15002679 A EP 15002679A EP 3001035 A3 EP3001035 A3 EP 3001035A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- membrane
- cell wall
- working
- pump
- lifting drive
- 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
- 239000012528 membrane Substances 0.000 title abstract 4
- 210000002421 cell wall Anatomy 0.000 abstract 3
- 210000004027 cell Anatomy 0.000 abstract 1
- 238000010992 reflux Methods 0.000 abstract 1
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
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
-
- 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
- F04B43/0009—Special features
- F04B43/0054—Special features particularities of the flexible members
-
- 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
- F04B43/14—Machines, pumps, or pumping installations having flexible working members having peristaltic action having plate-like flexible members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
Die Erfindung betrifft eine Membranpumpe (109) mit einem Pumpengehäuse (1), an dem eine Einwegzelle (2) lösbar fixierbar ist, die eine erste und eine zweite Zellwand (3, 4) hat, welche (3, 4) einen Arbeitsraum (5) zwischen sich umgrenzen, und mit einer Arbeitsmembran (6), die (6) mit einem oszillierenden Hubantrieb in Antriebsverbindung steht und die (6) auf ihrer dem Hubantrieb abgewandten Membranflachseite mit der flexiblen ersten Zellwand (3) lösbar koppelbar ist. Für die erfindungsgemäße Membranpumpe (109) ist kennzeichnend, dass in der Arbeitsmembrane (6) zum Entleeren des zwischen ihr und der ersten Zellwand (3) angeordneten Schadraumes (11) wenigstens ein Auslasskanal (12) mit einem Rückflussbehinderer oder einem Rückflussverhinderer vorgesehen ist (vgl. Fig. 1). The invention relates to a diaphragm pump (109) having a pump housing (1) on which a disposable cell (2) can be detachably fixed, which has a first and a second cell wall (3, 4), which (3, 4) has a working space (5 ) between them, and with a working diaphragm (6) which is in driving connection with an oscillating lifting drive and which (6) can be detachably coupled to the flexible first cell wall (3) on its membrane flat side facing away from the lifting drive. It is characteristic of the membrane pump (109) according to the invention that at least one outlet channel (12) with a reflux obstruction or a backflow preventer is provided in the working membrane (6) for emptying the dead space (11) between it and the first cell wall (3) (cf. Fig. 1).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014013779.1A DE102014013779A1 (en) | 2014-09-17 | 2014-09-17 | diaphragm pump |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3001035A2 EP3001035A2 (en) | 2016-03-30 |
EP3001035A3 true EP3001035A3 (en) | 2016-05-18 |
EP3001035B1 EP3001035B1 (en) | 2017-03-08 |
Family
ID=54293010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15002679.7A Active EP3001035B1 (en) | 2014-09-17 | 2015-09-16 | Membrane pump |
Country Status (3)
Country | Link |
---|---|
US (1) | US10260493B2 (en) |
EP (1) | EP3001035B1 (en) |
DE (1) | DE102014013779A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI659719B (en) * | 2017-02-09 | 2019-05-21 | 瑞士商耐斯泰克公司 | Membrane pump for beverage preparation module |
US11598328B2 (en) * | 2017-04-06 | 2023-03-07 | Biosense Webster (Israel) Ltd. | Disposable pump chamber for an infusion pump |
DE202019106655U1 (en) | 2019-11-29 | 2019-12-11 | Schöning Gmbh | pump closure |
DE102021134629B4 (en) * | 2021-12-23 | 2024-05-29 | KNF Micro AG | Pump head for a diaphragm pump |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0055467A1 (en) * | 1980-12-29 | 1982-07-07 | LEWA Herbert Ott GmbH + Co. | Diaphragm pump with a pressure relieved diaphragm |
EP1072868A1 (en) * | 1999-07-09 | 2001-01-31 | Sawatec Ag | Dosing device for liquids |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1110137A (en) * | 1976-05-24 | 1981-10-06 | Ingemar H. Lundquist | Intravenous liquid pumping system and method |
FR2517378B1 (en) * | 1981-11-28 | 1988-03-11 | Becker Erich | MEMBRANE PUMP |
JPS6073891U (en) | 1983-10-28 | 1985-05-24 | 三菱電機株式会社 | diaphragm pump |
DE3408331C2 (en) * | 1984-03-07 | 1986-06-12 | Fresenius AG, 6380 Bad Homburg | Pumping arrangement for medical purposes |
US4743169A (en) * | 1984-08-25 | 1988-05-10 | Aisin Seiki Kabushiki Kaisha | Diaphragm-type vacuum pump device |
IL83259A (en) * | 1987-07-20 | 1992-05-25 | D F Lab Ltd | Disposable cell and diaphragm pump for use of same |
US6869538B2 (en) * | 2002-05-24 | 2005-03-22 | Baxter International, Inc. | Method and apparatus for controlling a medical fluid heater |
US7503910B2 (en) * | 2006-02-01 | 2009-03-17 | Carmeli Adahan | Suctioning system, method and kit |
DE102007005736A1 (en) * | 2007-01-31 | 2008-08-14 | Gardner Denver Thomas Gmbh | Displacement pump for delivering a fluid with automatic adjustment to the compressibility of this fluid |
US8192401B2 (en) * | 2009-03-20 | 2012-06-05 | Fresenius Medical Care Holdings, Inc. | Medical fluid pump systems and related components and methods |
-
2014
- 2014-09-17 DE DE102014013779.1A patent/DE102014013779A1/en not_active Withdrawn
-
2015
- 2015-09-16 EP EP15002679.7A patent/EP3001035B1/en active Active
- 2015-09-17 US US14/856,976 patent/US10260493B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0055467A1 (en) * | 1980-12-29 | 1982-07-07 | LEWA Herbert Ott GmbH + Co. | Diaphragm pump with a pressure relieved diaphragm |
EP1072868A1 (en) * | 1999-07-09 | 2001-01-31 | Sawatec Ag | Dosing device for liquids |
Also Published As
Publication number | Publication date |
---|---|
DE102014013779A1 (en) | 2016-03-17 |
US10260493B2 (en) | 2019-04-16 |
US20160076529A1 (en) | 2016-03-17 |
EP3001035B1 (en) | 2017-03-08 |
EP3001035A2 (en) | 2016-03-30 |
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