FR2470877A1 - Pompe a pistons a plusieurs cylindres a refoulement reglable - Google Patents
Pompe a pistons a plusieurs cylindres a refoulement reglableInfo
- Publication number
- FR2470877A1 FR2470877A1 FR8024455A FR8024455A FR2470877A1 FR 2470877 A1 FR2470877 A1 FR 2470877A1 FR 8024455 A FR8024455 A FR 8024455A FR 8024455 A FR8024455 A FR 8024455A FR 2470877 A1 FR2470877 A1 FR 2470877A1
- Authority
- FR
- France
- Prior art keywords
- pump
- cylinder piston
- piston pump
- adjustable discharge
- piston
- 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.)
- Pending
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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
- F04B53/142—Intermediate liquid-piston between a driving piston and a driven piston
-
- 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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/06—Control
- F04B1/07—Control by varying the relative eccentricity between two members, e.g. a cam and a drive 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/12—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members
- F04B49/121—Lost-motion device in the driving mechanism
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
POMPE DONT LES PISTONS SONT ACTIONNES PAR UN ELEMENT D'ENTRAINEMENT COMMUN. POMPE CARACTERISEE EN CE QUE, ENTRE CHAQUE PISTON 10 ET L'ELEMENT D'ENTRAINEMENT 7, 8 EST INSERE UN RESSORT HYDROPNEUMATIQUE, COMPRENANT UNE UNITE PISTON-CYLINDRE 14, LES CHAMBRES DE PRESSION 21 DE CES UNITES ETANT REUNIES EN COMMUN A UN ACCUMULATEUR HYDROPNEUMATIQUE 24, ET REUNIES, CHACUNE, PAR L'INTERMEDIAIRE D'UNE SOUPAPE ANTI-RETOUR 28 A UNE POMPE AUXILIAIRE 26, EN PARALLELE AVEC LAQUELLE EST MONTEE UNE SOUPAPE DE LIMITATION DE PRESSION 25. POMPE APPLICABLE A DES CIRCUITS HYDRAULIQUES DE COMMANDE D'ORGANES ASSERVIS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792946529 DE2946529A1 (de) | 1979-11-17 | 1979-11-17 | Druckgeregelte mehrzylinder-kolbenpumpe |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2470877A1 true FR2470877A1 (fr) | 1981-06-12 |
Family
ID=6086299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8024455A Pending FR2470877A1 (fr) | 1979-11-17 | 1980-11-12 | Pompe a pistons a plusieurs cylindres a refoulement reglable |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2946529A1 (fr) |
FR (1) | FR2470877A1 (fr) |
GB (1) | GB2065790A (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4619592A (en) * | 1984-03-05 | 1986-10-28 | Bender Fredrick L | Pumping system having a main pump and a plurality of selectively operable subsidiary pumps |
WO1985003979A1 (fr) * | 1984-03-07 | 1985-09-12 | Frank Stelzer | Pompe hydraulique |
EP0279968A1 (fr) * | 1987-02-24 | 1988-08-31 | Bendix Limited | Machine à piston à mouvement alternatif |
DE3900697A1 (de) * | 1989-01-12 | 1990-07-19 | Draegerwerk Ag | Ventillose pumpe |
PT1048849E (pt) * | 1996-06-07 | 2005-05-31 | Hydro Leduc | Bomba de alta pressao para todos os liquidos |
FR2749616B1 (fr) * | 1996-06-07 | 2001-10-26 | Leduc Rene Hydro Sa | Pompe a haute pression pour tous liquides |
GB0228559D0 (en) * | 2002-12-06 | 2003-01-15 | Delphi Tech Inc | Hydraulic pump |
DE102016210728A1 (de) * | 2016-06-16 | 2017-12-21 | Robert Bosch Gmbh | Förderpumpe für kryogene Kraftstoffe und Kraftstofffördersystem |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2936712A (en) * | 1958-01-20 | 1960-05-17 | Deere & Co | Variable displacement pump |
US3005412A (en) * | 1960-10-10 | 1961-10-24 | George F Camp | Automatic pressure compensator for reciprocating pumps |
US3204858A (en) * | 1962-07-10 | 1965-09-07 | Philips Corp | Piston cylinder means with fluid-coupled drive means and rolling diaphragm seal |
CH420863A (de) * | 1962-06-19 | 1966-09-15 | Ott Kg Lewa | Pumpentriebwerk |
US3712758A (en) * | 1970-09-10 | 1973-01-23 | Int Harvester Co | Variable displacement pump |
FR2164332A5 (fr) * | 1971-12-06 | 1973-07-27 | Atlas Copco Ab |
-
1979
- 1979-11-17 DE DE19792946529 patent/DE2946529A1/de not_active Ceased
-
1980
- 1980-11-05 GB GB8035555A patent/GB2065790A/en not_active Withdrawn
- 1980-11-12 FR FR8024455A patent/FR2470877A1/fr active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2936712A (en) * | 1958-01-20 | 1960-05-17 | Deere & Co | Variable displacement pump |
US3005412A (en) * | 1960-10-10 | 1961-10-24 | George F Camp | Automatic pressure compensator for reciprocating pumps |
CH420863A (de) * | 1962-06-19 | 1966-09-15 | Ott Kg Lewa | Pumpentriebwerk |
US3204858A (en) * | 1962-07-10 | 1965-09-07 | Philips Corp | Piston cylinder means with fluid-coupled drive means and rolling diaphragm seal |
US3712758A (en) * | 1970-09-10 | 1973-01-23 | Int Harvester Co | Variable displacement pump |
FR2164332A5 (fr) * | 1971-12-06 | 1973-07-27 | Atlas Copco Ab |
Also Published As
Publication number | Publication date |
---|---|
GB2065790A (en) | 1981-07-01 |
DE2946529A1 (de) | 1981-05-27 |
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