FR2420671A1 - Dispositif d'aspiration a deux membranes - Google Patents
Dispositif d'aspiration a deux membranesInfo
- Publication number
- FR2420671A1 FR2420671A1 FR7816349A FR7816349A FR2420671A1 FR 2420671 A1 FR2420671 A1 FR 2420671A1 FR 7816349 A FR7816349 A FR 7816349A FR 7816349 A FR7816349 A FR 7816349A FR 2420671 A1 FR2420671 A1 FR 2420671A1
- Authority
- FR
- France
- Prior art keywords
- stage vacuum
- piston
- attached
- single piston
- diaphragm pump
- 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
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/02—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders arranged oppositely relative to main shaft
-
- 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
- F04B25/00—Multi-stage pumps
-
- 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
- F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
- F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
- F04B45/043—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms two or more plate-like pumping flexible members in parallel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Compressor (AREA)
Abstract
Dispositif générateur de dépression à deux membranes. Dispositif remarquable par un carter unique délimitant dans ses parties supérieure et inférieure, deux chambres de dépression reliées en série par un conduit, carter comprenant un logement longitudinal central abritant un piston contenant une bielle à excentrique mise en mouvement par un vilebrequin latéral. Applications : mise en pression ou établissement du vide par exemple sur véhicule.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES1978234835U ES234835Y (es) | 1978-03-21 | 1978-03-21 | Depresor de membrana doble. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2420671A1 true FR2420671A1 (fr) | 1979-10-19 |
FR2420671B1 FR2420671B1 (fr) | 1980-11-07 |
Family
ID=8395612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7816349A Granted FR2420671A1 (fr) | 1978-03-21 | 1978-05-25 | Dispositif d'aspiration a deux membranes |
Country Status (3)
Country | Link |
---|---|
AR (1) | AR215997A1 (fr) |
ES (1) | ES234835Y (fr) |
FR (1) | FR2420671A1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0092264A2 (fr) * | 1982-04-21 | 1983-10-26 | Shell Internationale Researchmaatschappij B.V. | Pompe volumétrique à deux étages et méthode d'injection de combustibles sous forme de gaz liquéfiés |
US4931000A (en) * | 1989-03-02 | 1990-06-05 | Gilian Instrument Corp. | Double acting diaphragm air pump |
US20210355929A1 (en) * | 2020-05-18 | 2021-11-18 | Graco Minnesota Inc. | Pump having multi-stage gas compression |
CN114215724A (zh) * | 2021-12-28 | 2022-03-22 | 苏州强硕科技装备制造有限公司 | 一种双级压缩隔膜压缩机结构 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB191003158A (en) * | 1910-02-09 | 1911-02-09 | Charles Edward Percy Gabriel | Improvements in or relating to Air or like Compressors. |
US1456089A (en) * | 1921-04-07 | 1923-05-22 | Baker Hansen Mfg Company | Air compressor |
FR555115A (fr) * | 1922-08-14 | 1923-06-25 | Expl Des Procedes Tailleferre | Perfectionnement aux compresseurs |
US1747457A (en) * | 1927-02-07 | 1930-02-18 | Rhoda S Dunlap | Compressor |
FR762951A (fr) * | 1933-10-26 | 1934-04-21 | Monotype Sa | Perfectionnements aux pompes à air ou autres fluides |
FR1021607A (fr) * | 1950-07-07 | 1953-02-20 | Groupe moto-pompe immergeable à fluide auxiliaire | |
FR1186535A (fr) * | 1957-11-18 | 1959-08-26 | Pompe à membrane perfectionnée | |
FR1201719A (fr) * | 1958-07-11 | 1960-01-05 | Pompe permettant de refouler des liquides abrasifs ou corrosifs et plus particulièrement adaptée à la pulvérisation de produits utilisés dans le traitement des cultures | |
FR75245E (fr) * | 1959-03-05 | 1961-05-12 | Pompe permettant de refouler des liquides abrasifs ou corrosifs et plus particulièrement adaptée à la pulvérisation de produits utilisés dans le traitement des cultures |
-
1978
- 1978-03-21 ES ES1978234835U patent/ES234835Y/es not_active Expired
- 1978-05-25 FR FR7816349A patent/FR2420671A1/fr active Granted
-
1979
- 1979-03-08 AR AR275756A patent/AR215997A1/es active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB191003158A (en) * | 1910-02-09 | 1911-02-09 | Charles Edward Percy Gabriel | Improvements in or relating to Air or like Compressors. |
US1456089A (en) * | 1921-04-07 | 1923-05-22 | Baker Hansen Mfg Company | Air compressor |
FR555115A (fr) * | 1922-08-14 | 1923-06-25 | Expl Des Procedes Tailleferre | Perfectionnement aux compresseurs |
US1747457A (en) * | 1927-02-07 | 1930-02-18 | Rhoda S Dunlap | Compressor |
FR762951A (fr) * | 1933-10-26 | 1934-04-21 | Monotype Sa | Perfectionnements aux pompes à air ou autres fluides |
FR1021607A (fr) * | 1950-07-07 | 1953-02-20 | Groupe moto-pompe immergeable à fluide auxiliaire | |
FR1186535A (fr) * | 1957-11-18 | 1959-08-26 | Pompe à membrane perfectionnée | |
FR1201719A (fr) * | 1958-07-11 | 1960-01-05 | Pompe permettant de refouler des liquides abrasifs ou corrosifs et plus particulièrement adaptée à la pulvérisation de produits utilisés dans le traitement des cultures | |
FR75245E (fr) * | 1959-03-05 | 1961-05-12 | Pompe permettant de refouler des liquides abrasifs ou corrosifs et plus particulièrement adaptée à la pulvérisation de produits utilisés dans le traitement des cultures |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0092264A2 (fr) * | 1982-04-21 | 1983-10-26 | Shell Internationale Researchmaatschappij B.V. | Pompe volumétrique à deux étages et méthode d'injection de combustibles sous forme de gaz liquéfiés |
EP0092264A3 (en) * | 1982-04-21 | 1985-11-06 | Shell Internationale Research Maatschappij B.V. | Two-stage volumetric pump and fuel injection process for liquefied petroleum gases |
US4565501A (en) * | 1982-04-21 | 1986-01-21 | Shell Oil Company | Two-stage volumetric pump for liquefied petroleum gases in liquid phase |
US4931000A (en) * | 1989-03-02 | 1990-06-05 | Gilian Instrument Corp. | Double acting diaphragm air pump |
US20210355929A1 (en) * | 2020-05-18 | 2021-11-18 | Graco Minnesota Inc. | Pump having multi-stage gas compression |
US11873802B2 (en) | 2020-05-18 | 2024-01-16 | Graco Minnesota Inc. | Pump having multi-stage gas compression |
CN114215724A (zh) * | 2021-12-28 | 2022-03-22 | 苏州强硕科技装备制造有限公司 | 一种双级压缩隔膜压缩机结构 |
Also Published As
Publication number | Publication date |
---|---|
AR215997A1 (es) | 1979-11-15 |
FR2420671B1 (fr) | 1980-11-07 |
ES234835U (es) | 1978-07-01 |
ES234835Y (es) | 1978-12-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |