EP0279931A2 - Pompe à membrane - Google Patents
Pompe à membrane Download PDFInfo
- Publication number
- EP0279931A2 EP0279931A2 EP87118372A EP87118372A EP0279931A2 EP 0279931 A2 EP0279931 A2 EP 0279931A2 EP 87118372 A EP87118372 A EP 87118372A EP 87118372 A EP87118372 A EP 87118372A EP 0279931 A2 EP0279931 A2 EP 0279931A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- membrane
- chamber
- pump device
- drive
- liquid
- 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
Images
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
- F04B43/06—Pumps having fluid drive
- F04B43/067—Pumps having fluid drive the fluid being actuated directly by a piston
Definitions
- the invention relates to a diaphragm pumping device with a first chamber for the liquid to be pumped, which can be supplied via an inlet valve and can be removed via an outlet valve, a second chamber for drive liquid, which is separated from the first chamber by a movable membrane, and with an oscillating drive piston which alternately pressurizes and relaxes the drive fluid and with a storage chamber for the drive fluid, which is connected to the second chamber via a return line with a pressure relief valve inserted therein for draining drive fluid when the pump fluid is throttled into the storage chamber and via a refill line Refill valve for supplementing drive fluid is connected when removed again.
- the object of the invention is therefore to improve the pump device of the type mentioned in such a way that its respective delivery volume can be detected and changed with simple means, but extremely precisely, so that these pumps can also be used as metering pumps with high adjustment constancy and more precisely Reproducibility must be used.
- the construction effort with which this is to be achieved should be kept low, nevertheless a volume measurement should be possible with each stroke of the membrane and an adjustment to an adjustable specification should be possible in the short term depending on the determined value.
- a signal transmitter is used in the area adjustable by the drive fluid, and in the housing accommodating the membrane, an associated signal sensor, preferably located at the same level, is used, the signals of which outside the Membrane pump device can be evaluated and monitored.
- the signal transmitter by means of a permanent magnet arranged in or on the membrane and to design the signal sensor as a magnetoresistive sensor.
- the signal transmitter in the thickening preferably on the side facing the signal pickup and the signal pickup in the housing delimiting the second chamber of the pump device, for example by inserting it into a bore machined therein.
- the pressure relief valve used in the return line can be provided in a simple manner with an actuator or an actuator which is connected to the controller via a control line and depending on a target / actual value comparison with this is adjustable.
- a diaphragm pump device it is possible with simple means to measure the respective adjustment path of the diaphragm and thus to determine the delivery volume, so that it can be adapted to a predetermined target value at short notice.
- a signal transmitter is arranged in the membrane and a signal sensor cooperating with it is arranged in the housing, the recorded signals are easy to evaluate and monitor, and the delivery volume of the membrane pump device is therefore known at all times. Corresponding changes can also be made in order to keep this constant or to increase or reduce it.
- the proposed pump device is thus in this way, high reproducibility and exact delivery stability over a long period of time can also be achieved, particularly as a controllable metering pump. The mostly inevitable different bulges of the membrane can thus be compensated for in the short term with simple means.
- the membrane pump device designated 1 serves to convey a liquid accumulated in a storage container 7 to a consumer (not shown) or a filling station and essentially consists of a movable membrane 4 clamped between two housings 2 and 3, which are firmly clamped together by screws 19. In this way, a first chamber 5 for the liquid to be conveyed and a second chamber 6 separated from it by the membrane are formed, which is filled with drive liquid.
- a piston 13 is provided, which is oscillatingly actuated by a swash plate 14, so that the membrane 4 is alternately pressurized and relaxed by the drive fluid located in the second chamber 6.
- the liquid to be conveyed is sucked out of the reservoir 7 into the first chamber 5 via a suction line 8 and an inlet valve 9 inserted therein.
- the aspirated liquid is conveyed via an outlet valve 11, which is closed during the suction stroke, into a pressure line 10 leading to the consumer.
- the second chamber 6 receiving the drive fluid is connected to a storage chamber 12 via a suction line 15 and an inlet valve 16 arranged therein, which can be designed in different ways.
- the second chamber is connected to the storage chamber 12 via a return line 17 and a pressure relief valve 18 inserted therein.
- the piston 13 thus draws drive fluid from the storage chamber 12 into the second chamber 6 during its return stroke and acts as a hydraulic linkage on the membrane 4 during its forward stroke, which is thus set in synchronous oscillating movements.
- the curvature of the membrane 4 in the first chamber 5 is determined on the one hand by the resistance in the pressure line 10 and on the other hand by the opening pressure of the pressure relief valve 18, by means of which, depending on the preload, with each stroke movement of the piston 13 more or less drive fluid from the second chamber 6 into the Storage chamber 12 is discharged. The more drive fluid flows out of the second chamber 6, the less the bulge of the membrane 4 into the first chamber 5, with constant resistance in the pressure line 10.
- the diaphragm 4 In order to measure the respective bulge of the diaphragm 4 in a simple manner and thus to be able to determine the respective delivery volume of the diaphragm pump device 1 at short notice, the diaphragm 4, the edge region 21 of which is clamped between the housings 2 and 3, and the one movable region 22 and a thickening 23, in the exemplary embodiment shown, a signal transmitter 31 is arranged in the thickened portion 23 and a signal pick-up 32, which interacts with it in a bore 24, is arranged in the housing 3.
- the signal generator 31 is in this case a permanent magnet and the signal sensor 32 formed as a magnetoresistive sensor, the respective distance of the pulse generator 31 from the pulse pickup 32 and thus the displacement of the membrane 4 can thus be continuously determined with the aid of the magnetic lines of force without difficulty and accordingly the delivery volume of the membrane pump device 1 can be determined.
- a controller 34 is provided which is arranged outside the membrane pump device 1 and is connected to the signal sensor 32 via a control line 33.
- the measured values determined can be read on an analog or digital display 35 of the controller 34.
- the controller 34 is connected to a servomotor 36, which is assigned to the pressure relief valve 18. Since the controller 34 has an adjustable target value range, the respective actual values supplied to it via the control line 33 can be compared with an adjustable target value and, in the event of a deviation, the pressure limiting valve 18 can be adjusted accordingly and thus the amount of gas from the second chamber 6 in the supply chamber 12 flowing drive fluid can be changed so that in this way the delivery volume of the diaphragm pumping device 1 can be kept constant over a long period of time even with changing resistances in the pressure line 10 and can be adapted to the respective circumstances.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3706338 | 1987-02-27 | ||
DE19873706338 DE3706338A1 (de) | 1987-02-27 | 1987-02-27 | Membranpumpvorrichtung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0279931A2 true EP0279931A2 (fr) | 1988-08-31 |
EP0279931A3 EP0279931A3 (en) | 1989-06-28 |
EP0279931B1 EP0279931B1 (fr) | 1992-03-11 |
Family
ID=6321902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87118372A Expired - Lifetime EP0279931B1 (fr) | 1987-02-27 | 1987-12-11 | Pompe à membrane |
Country Status (4)
Country | Link |
---|---|
US (1) | US4828464A (fr) |
EP (1) | EP0279931B1 (fr) |
JP (1) | JPS63230977A (fr) |
DE (2) | DE3706338A1 (fr) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19548949A1 (de) * | 1995-12-28 | 1997-07-03 | Abel Gmbh & Co | Kolbenmembranpumpe |
FR2828530A1 (fr) * | 2001-08-07 | 2003-02-14 | Horst Kleibrink | Procede de commande et de regulation de la relation entre pression d'huile et de gaz de compresseurs a menbrane |
EP1907806A2 (fr) * | 2005-07-28 | 2008-04-09 | Graco Minnesota Inc. | Pompe alternative pourvue d'une soupape d'admission d'air et d'un piston commandes electroniquement |
US9677550B2 (en) | 2005-07-28 | 2017-06-13 | Graco Minnesota Inc. | Reciprocating pump with electronically monitored air valve and piston |
EP3092408A4 (fr) * | 2014-01-07 | 2017-09-13 | Rocky Research | Système de pompe de solution |
US11950677B2 (en) | 2019-02-28 | 2024-04-09 | L'oreal | Devices and methods for electrostatic application of cosmetics |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8801660U1 (de) * | 1988-02-10 | 1988-03-31 | Henkel, Wolfgang Eberhard, 6832 Hockenheim | Membrandehnungsmeßgerät für Kugelmembranpumpen |
DE3928949A1 (de) * | 1989-08-31 | 1991-03-14 | Wagner Gmbh J | Membranpumpe |
DE3928950A1 (de) * | 1989-08-31 | 1991-03-14 | Wagner Gmbh J | Membranpumpe |
US5056036A (en) * | 1989-10-20 | 1991-10-08 | Pulsafeeder, Inc. | Computer controlled metering pump |
US5145331A (en) * | 1991-07-29 | 1992-09-08 | J. Wagner Gmbh | Diaphragm pump |
US5249932A (en) * | 1991-10-07 | 1993-10-05 | Erik Van Bork | Apparatus for controlling diaphragm extension in a diaphragm metering pump |
JPH062664A (ja) * | 1992-06-22 | 1994-01-11 | Nippon Soken Inc | ダイアフラム式ポンプ |
US5378122A (en) | 1993-02-16 | 1995-01-03 | Wilden Pump & Engineering Co. | Air driven diaphragm pump |
DE4327970C2 (de) * | 1993-08-19 | 1997-07-03 | Ott Kg Lewa | Hydraulisch angetriebene Membranpumpe mit mechanischer Membranhubbegrenzung |
DE4327969C2 (de) * | 1993-08-19 | 1997-07-03 | Ott Kg Lewa | Hydraulisch angetriebene Membranpumpe |
US5641270A (en) * | 1995-07-31 | 1997-06-24 | Waters Investments Limited | Durable high-precision magnetostrictive pump |
DE19738844A1 (de) * | 1997-09-05 | 1999-04-22 | Dosier Und Prozestechnik Salzw | Verfahren zur kontinuierlichen elektronischen Überwachung aller Funktionen innerhalb der Dosierpumpe |
DE19742632A1 (de) * | 1997-09-26 | 1999-04-08 | Fresenius Medical Care De Gmbh | Pump- und Dosiervorrichtung |
US6099269A (en) * | 1997-10-06 | 2000-08-08 | Fin Robur | Absorption refrigeration system having a diaphragm pump and a hydraulic piston pump |
DE19826610A1 (de) * | 1998-06-16 | 1999-12-23 | Bran & Luebbe | Membranpumpe und Vorrichtung zur Steuerung derselben |
DE19840365A1 (de) * | 1998-09-04 | 2000-03-09 | Bran & Luebbe | Membrankolbenpumpe |
US6276907B1 (en) * | 1999-08-12 | 2001-08-21 | Wagner Spray Tech Corporation | Hydraulically driven diaphragm pump |
US6350110B1 (en) * | 2000-03-31 | 2002-02-26 | B&G International | Multiport metering pump |
FR2826068B1 (fr) * | 2001-06-19 | 2004-02-13 | Siemens Automotive Hydraulics | Dispositif de regulation de debit pour pompe transfert a carburant |
GB2378734A (en) * | 2001-08-14 | 2003-02-19 | Carmeli Adahan | Disposable pump with detachable motor |
DE10209758B4 (de) * | 2002-03-05 | 2004-11-18 | Horst Kleibrink | Verfahren zur Optimierung der Gasströmung innerhalb eines Membrankompressors |
US8464850B2 (en) | 2006-11-16 | 2013-06-18 | Fox Factory, Inc. | Gas spring curve control in an adjustable-volume gas-pressurized device |
US20080296814A1 (en) | 2002-06-25 | 2008-12-04 | Joseph Franklin | Gas spring with travel control |
US10941828B2 (en) | 2002-06-25 | 2021-03-09 | Fox Factory, Inc. | Gas spring with travel control |
US7703585B2 (en) | 2002-06-25 | 2010-04-27 | Fox Factory, Inc. | Integrated and self-contained suspension assembly having an on-the-fly adjustable air spring |
US7963509B2 (en) | 2007-01-31 | 2011-06-21 | Fox Factory, Inc. | Travel control for a gas spring and gas spring having very short travel modes |
JP4587098B2 (ja) * | 2004-07-21 | 2010-11-24 | Smc株式会社 | ポンプ装置 |
JP5315550B2 (ja) * | 2009-06-10 | 2013-10-16 | 株式会社イワキ | 二連往復動ポンプ |
US8591200B2 (en) * | 2009-11-23 | 2013-11-26 | National Oil Well Varco, L.P. | Hydraulically controlled reciprocating pump system |
US9714650B2 (en) | 2013-06-11 | 2017-07-25 | Matthew G. Morris, Jr. | Pumping system |
US9605664B2 (en) * | 2014-01-07 | 2017-03-28 | Ingersoll-Rand Company | Pneumatic piston pump metering and dispense control |
US9855186B2 (en) | 2014-05-14 | 2018-01-02 | Aytu Women's Health, Llc | Devices and methods for promoting female sexual wellness and satisfaction |
DE102014222743A1 (de) * | 2014-11-06 | 2016-05-12 | Continental Automotive Gmbh | Pumpeneinheit für Reduktionsmittel einer Abgasreinigungsanlage |
CN104895714A (zh) * | 2015-03-12 | 2015-09-09 | 肖光生 | 汽油缸内直喷 |
KR101817215B1 (ko) * | 2016-03-16 | 2018-01-11 | 세메스 주식회사 | 펌프 및 액 공급 장치 |
US20180372083A1 (en) * | 2017-06-22 | 2018-12-27 | Wanner Engineering, Inc. | Hydraulic diaphragm control |
DE102019109283A1 (de) * | 2019-04-09 | 2020-10-15 | Prominent Gmbh | Membranbruchüberwachung |
WO2022099219A1 (fr) * | 2020-11-09 | 2022-05-12 | Pdc Machines Inc. | Système d'injection d'huile active pour compresseur à membrane |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112601C (fr) * | ||||
DD112601A5 (fr) * | 1973-11-16 | 1975-04-20 | ||
GB1487053A (en) * | 1975-02-06 | 1977-09-28 | Extracorporeal Medical Syst In | Double-action proportioning pump |
DE2104783B2 (de) * | 1970-12-21 | 1978-05-18 | Josef 7990 Friedrichshafen Wagner | Membranpumpvorrichtung, insbesondere für eine Farbspritzpistole |
WO1981002629A1 (fr) * | 1980-03-06 | 1981-09-17 | American Flow Systems Inc | Debitmetre commande electroniquement et systeme de commande de debit |
DE3122778A1 (de) * | 1980-09-25 | 1982-06-24 | Facet Enterprises Inc., 74136 Tulsa, Okla. | Elektromagnetische pumpe mit einem halleffektschalter |
DE3151764A1 (de) * | 1980-12-29 | 1982-09-02 | Lewa Herbert Ott Gmbh + Co, 7250 Leonberg | Membranpumpe mit druckentlastet eingespannter membran |
CH634129A5 (de) * | 1977-09-12 | 1983-01-14 | Wilms Gmbh | Membranpumpe. |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US29055A (en) * | 1860-07-10 | Island | ||
US2843050A (en) * | 1954-02-15 | 1958-07-15 | Lyndus E Harper | Diaphragm sludge or chemical pump |
US3961860A (en) * | 1971-06-15 | 1976-06-08 | Chemie And Filter Gmbh | Proportioning pump |
DE3015797A1 (de) * | 1980-04-24 | 1981-10-29 | Rolf 4330 Mülheim Kresel | Induktive umsteuereinrichtung fuer kurbelwellenlose jdampfmaschine |
US4355280A (en) * | 1980-05-13 | 1982-10-19 | Grumman Aerospace Corporation | Accumulator condition indicator with spring biasing to indicate linear displacement of a piston |
SU1135921A1 (ru) * | 1983-10-12 | 1985-01-23 | Gryanin Valerij | Мембранный гидроприводной дозирующий насос |
-
1987
- 1987-02-27 DE DE19873706338 patent/DE3706338A1/de not_active Withdrawn
- 1987-12-11 DE DE8787118372T patent/DE3777390D1/de not_active Expired - Lifetime
- 1987-12-11 EP EP87118372A patent/EP0279931B1/fr not_active Expired - Lifetime
-
1988
- 1988-02-26 JP JP63042430A patent/JPS63230977A/ja active Pending
- 1988-02-26 US US07/161,177 patent/US4828464A/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112601C (fr) * | ||||
DE2104783B2 (de) * | 1970-12-21 | 1978-05-18 | Josef 7990 Friedrichshafen Wagner | Membranpumpvorrichtung, insbesondere für eine Farbspritzpistole |
DD112601A5 (fr) * | 1973-11-16 | 1975-04-20 | ||
GB1487053A (en) * | 1975-02-06 | 1977-09-28 | Extracorporeal Medical Syst In | Double-action proportioning pump |
CH634129A5 (de) * | 1977-09-12 | 1983-01-14 | Wilms Gmbh | Membranpumpe. |
WO1981002629A1 (fr) * | 1980-03-06 | 1981-09-17 | American Flow Systems Inc | Debitmetre commande electroniquement et systeme de commande de debit |
DE3122778A1 (de) * | 1980-09-25 | 1982-06-24 | Facet Enterprises Inc., 74136 Tulsa, Okla. | Elektromagnetische pumpe mit einem halleffektschalter |
DE3151764A1 (de) * | 1980-12-29 | 1982-09-02 | Lewa Herbert Ott Gmbh + Co, 7250 Leonberg | Membranpumpe mit druckentlastet eingespannter membran |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19548949A1 (de) * | 1995-12-28 | 1997-07-03 | Abel Gmbh & Co | Kolbenmembranpumpe |
DE19548949C2 (de) * | 1995-12-28 | 2000-09-07 | Abel Gmbh & Co | Kolbenmembranpumpe |
FR2828530A1 (fr) * | 2001-08-07 | 2003-02-14 | Horst Kleibrink | Procede de commande et de regulation de la relation entre pression d'huile et de gaz de compresseurs a menbrane |
EP1907806A2 (fr) * | 2005-07-28 | 2008-04-09 | Graco Minnesota Inc. | Pompe alternative pourvue d'une soupape d'admission d'air et d'un piston commandes electroniquement |
EP1907806A4 (fr) * | 2005-07-28 | 2009-09-16 | Graco Minnesota Inc | Pompe alternative pourvue d'une soupape d'admission d'air et d'un piston commandes electroniquement |
US9677550B2 (en) | 2005-07-28 | 2017-06-13 | Graco Minnesota Inc. | Reciprocating pump with electronically monitored air valve and piston |
US9677549B2 (en) | 2005-07-28 | 2017-06-13 | Graco Minnesota Inc. | Reciprocating pump with electronically monitored air valve and piston |
EP3092408A4 (fr) * | 2014-01-07 | 2017-09-13 | Rocky Research | Système de pompe de solution |
US11950677B2 (en) | 2019-02-28 | 2024-04-09 | L'oreal | Devices and methods for electrostatic application of cosmetics |
Also Published As
Publication number | Publication date |
---|---|
EP0279931A3 (en) | 1989-06-28 |
US4828464A (en) | 1989-05-09 |
JPS63230977A (ja) | 1988-09-27 |
EP0279931B1 (fr) | 1992-03-11 |
DE3706338A1 (de) | 1988-09-08 |
DE3777390D1 (de) | 1992-04-16 |
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