FR2305612A1 - Dispositif permettant a une pompe hydraulique d'avoir dans le meme corps debits et pressions differentes par commande unique - Google Patents
Dispositif permettant a une pompe hydraulique d'avoir dans le meme corps debits et pressions differentes par commande uniqueInfo
- Publication number
- FR2305612A1 FR2305612A1 FR7509194A FR7509194A FR2305612A1 FR 2305612 A1 FR2305612 A1 FR 2305612A1 FR 7509194 A FR7509194 A FR 7509194A FR 7509194 A FR7509194 A FR 7509194A FR 2305612 A1 FR2305612 A1 FR 2305612A1
- Authority
- FR
- France
- Prior art keywords
- hydraulic pump
- pistoned
- double
- calibrated spring
- different pressure
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
- B66F3/42—Constructional features with self-contained pumps, e.g. actuated by hand
-
- 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
- F04B23/00—Pumping installations or systems
- F04B23/02—Pumping installations or systems having reservoirs
- F04B23/021—Pumping installations or systems having reservoirs the pump being immersed in the reservoir
- F04B23/023—Pumping installations or systems having reservoirs the pump being immersed in the reservoir only the pump-part being immersed, the driving-part being outside the reservoir
-
- 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
- F04B49/18—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 changing the effective cross-section of the working surface of the 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
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/14—Pumps characterised by muscle-power operation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Reciprocating Pumps (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7509194A FR2305612A1 (fr) | 1975-03-24 | 1975-03-24 | Dispositif permettant a une pompe hydraulique d'avoir dans le meme corps debits et pressions differentes par commande unique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7509194A FR2305612A1 (fr) | 1975-03-24 | 1975-03-24 | Dispositif permettant a une pompe hydraulique d'avoir dans le meme corps debits et pressions differentes par commande unique |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2305612A1 true FR2305612A1 (fr) | 1976-10-22 |
Family
ID=9153003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7509194A Pending FR2305612A1 (fr) | 1975-03-24 | 1975-03-24 | Dispositif permettant a une pompe hydraulique d'avoir dans le meme corps debits et pressions differentes par commande unique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2305612A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2585413A1 (fr) * | 1985-07-26 | 1987-01-30 | Vendee Const Meca Hydraulique | Pompe de secours manuelle a debit variable |
WO1999023387A1 (fr) * | 1997-10-30 | 1999-05-14 | Robert Bosch Gmbh | Pompe a piston |
-
1975
- 1975-03-24 FR FR7509194A patent/FR2305612A1/fr active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2585413A1 (fr) * | 1985-07-26 | 1987-01-30 | Vendee Const Meca Hydraulique | Pompe de secours manuelle a debit variable |
WO1999023387A1 (fr) * | 1997-10-30 | 1999-05-14 | Robert Bosch Gmbh | Pompe a piston |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES462925A1 (es) | Instalacion hidraulica para la alimentacion de un liquido a un dispositivo hidraulico bajo diferentes y alternas pre- siones. | |
JPS5334322B2 (fr) | ||
GB1105348A (en) | Hydraulic ram | |
FR2305612A1 (fr) | Dispositif permettant a une pompe hydraulique d'avoir dans le meme corps debits et pressions differentes par commande unique | |
FR2260004A1 (en) | Hydraulic piston pump - has valve connecting piston space to delivery side, with adjoining space interconnecting valves, delivery sides | |
ES475585A1 (es) | Perfeccionamientos en dispositivos de arranque de un gato con piston amortiguador | |
ES414434A1 (es) | Dispositivo que mantiene en una canalizacion un fluido de utilizacion a una presion determinada. | |
GB1358473A (en) | Hydraulic accumulator | |
SE7700353L (sv) | Hogtryckspump | |
ES8100434A1 (es) | Conjunto de bomba de dos velocidades para suministrar fluido desde un deposito a un medio de utilizacion | |
GB1098499A (en) | An improved hydraulic pressure testing device | |
FR2308781A1 (fr) | Oscillateur actionne pneumatiquement | |
EP0298635A3 (fr) | Récipient à capacité variable et méthode pour son utilisation | |
FR2414130A1 (fr) | Verin a double effet avec limitation de pression | |
JPS5284377A (en) | Coaxial boost cylinder oil pressure circuit | |
JPS5248825A (en) | Piston-type accumulator | |
JPS5569728A (en) | Hydraulic pressure producing apparatus in use of variation in suction pressure of engine | |
FR2385912A1 (fr) | Pompe a plongeur | |
GB956482A (en) | A hydraulic pit prop | |
FR2319787A1 (fr) | Pompe a mouvement alternatif pour liquides | |
GB1266507A (fr) | ||
GB1502012A (en) | Hydraulic pumps | |
JPS5226005A (en) | Gear oil pump | |
ES191464U (es) | Dispositivo hidraulico de freno de mano. | |
GB1239648A (fr) |