EP0919724A3 - Pompe à diaphragme double avec actionnement hydraulique - Google Patents
Pompe à diaphragme double avec actionnement hydraulique Download PDFInfo
- Publication number
- EP0919724A3 EP0919724A3 EP98830707A EP98830707A EP0919724A3 EP 0919724 A3 EP0919724 A3 EP 0919724A3 EP 98830707 A EP98830707 A EP 98830707A EP 98830707 A EP98830707 A EP 98830707A EP 0919724 A3 EP0919724 A3 EP 0919724A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- diaphragm pump
- double acting
- hydraulically driven
- driven double
- acting diaphragm
- 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
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
- F04B43/073—Pumps having fluid drive the actuating fluid being controlled by at least one valve
- F04B43/0733—Pumps having fluid drive the actuating fluid being controlled by at least one valve with fluid-actuated pump inlet or outlet valves; with two or more pumping chambers in series
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 |
---|---|---|---|
ITRM970739 | 1997-11-28 | ||
IT97RM000739A IT1297087B1 (it) | 1997-11-28 | 1997-11-28 | Dispositivo per il pompaggio di liquidi o aeriformi, con moto alternativo a doppio effetto ottenuto per via idraulica. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0919724A2 EP0919724A2 (fr) | 1999-06-02 |
EP0919724A3 true EP0919724A3 (fr) | 2000-04-19 |
EP0919724B1 EP0919724B1 (fr) | 2005-07-06 |
Family
ID=11405377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98830707A Expired - Lifetime EP0919724B1 (fr) | 1997-11-28 | 1998-11-25 | Pompe à diaphragme double avec actionnement hydraulique |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0919724B1 (fr) |
DE (1) | DE69830775T2 (fr) |
IT (1) | IT1297087B1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101245779B (zh) * | 2008-03-07 | 2010-04-21 | 上海凯泉泵业(集团)有限公司 | 往复式油隔离隔膜泵液力端的油平衡系统 |
EP2154371B1 (fr) | 2008-08-14 | 2018-09-19 | Bran + Lübbe GmbH | Dispositif de pompe |
DE202008010872U1 (de) | 2008-08-14 | 2010-02-25 | Bran+Luebbe Gmbh | Pumpenvorrichtung |
EP2740935A1 (fr) * | 2012-12-05 | 2014-06-11 | Smartbrain | Dispositif de fluide |
DE102021125005A1 (de) | 2021-09-28 | 2023-03-30 | Lewa Gmbh | Membranpumpe mit hydraulischem Antrieb |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2703055A (en) * | 1950-07-21 | 1955-03-01 | Shell Dev | Diaphragm-type mud pump |
FR2549904A1 (fr) * | 1983-07-27 | 1985-02-01 | Paul Hydraulique | Pompe a haute pression pour liquide |
US4523901A (en) * | 1981-10-17 | 1985-06-18 | Barmag Barmer Maschinenfabrick Ag | Control apparatus for a positive displacement reciprocating pump |
US4543044A (en) * | 1983-11-09 | 1985-09-24 | E. I. Du Pont De Nemours And Company | Constant-flow-rate dual-unit pump |
EP0568742A1 (fr) * | 1992-05-08 | 1993-11-10 | Cooper Industries, Inc. | Transfert d'un fluide de production à partir d'un puit |
EP0627555A1 (fr) * | 1993-04-16 | 1994-12-07 | Enea Ente Per Le Nuove Tecnologie, L'energia E L'ambiente | Dispositif de pompage de liquides à l'aide d'une pompe à membrane actionnée par un circuit hydraulique |
-
1997
- 1997-11-28 IT IT97RM000739A patent/IT1297087B1/it active IP Right Grant
-
1998
- 1998-11-25 DE DE69830775T patent/DE69830775T2/de not_active Expired - Lifetime
- 1998-11-25 EP EP98830707A patent/EP0919724B1/fr not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2703055A (en) * | 1950-07-21 | 1955-03-01 | Shell Dev | Diaphragm-type mud pump |
US4523901A (en) * | 1981-10-17 | 1985-06-18 | Barmag Barmer Maschinenfabrick Ag | Control apparatus for a positive displacement reciprocating pump |
FR2549904A1 (fr) * | 1983-07-27 | 1985-02-01 | Paul Hydraulique | Pompe a haute pression pour liquide |
US4543044A (en) * | 1983-11-09 | 1985-09-24 | E. I. Du Pont De Nemours And Company | Constant-flow-rate dual-unit pump |
EP0568742A1 (fr) * | 1992-05-08 | 1993-11-10 | Cooper Industries, Inc. | Transfert d'un fluide de production à partir d'un puit |
EP0627555A1 (fr) * | 1993-04-16 | 1994-12-07 | Enea Ente Per Le Nuove Tecnologie, L'energia E L'ambiente | Dispositif de pompage de liquides à l'aide d'une pompe à membrane actionnée par un circuit hydraulique |
Also Published As
Publication number | Publication date |
---|---|
EP0919724A2 (fr) | 1999-06-02 |
DE69830775T2 (de) | 2006-05-18 |
ITRM970739A1 (it) | 1999-05-28 |
IT1297087B1 (it) | 1999-08-03 |
EP0919724B1 (fr) | 2005-07-06 |
DE69830775D1 (de) | 2005-08-11 |
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