FR2284048A1 - HYDROPNEUMATIC PUMPING PLANT - Google Patents
HYDROPNEUMATIC PUMPING PLANTInfo
- Publication number
- FR2284048A1 FR2284048A1 FR7527200A FR7527200A FR2284048A1 FR 2284048 A1 FR2284048 A1 FR 2284048A1 FR 7527200 A FR7527200 A FR 7527200A FR 7527200 A FR7527200 A FR 7527200A FR 2284048 A1 FR2284048 A1 FR 2284048A1
- Authority
- FR
- France
- Prior art keywords
- pumping plant
- hydropneumatic
- hydropneumatic pumping
- plant
- pumping
- 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
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/06—Servomotor systems without provision for follow-up action; Circuits therefor involving features specific to the use of a compressible medium, e.g. air, steam
- F15B11/072—Combined pneumatic-hydraulic systems
- F15B11/0725—Combined pneumatic-hydraulic systems with the driving energy being derived from a pneumatic system, a subsequent hydraulic system displacing or controlling the output element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
- F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means
- F01L25/04—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means by working-fluid of machine or engine, e.g. free-piston machine
- F01L25/06—Arrangements with main and auxiliary valves, at least one of them being fluid-driven
- F01L25/066—Arrangements with main and auxiliary valves, at least one of them being fluid-driven piston or piston-rod being used as auxiliary valve
-
- 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
- F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
- F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air
- F04B9/129—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having plural pumping chambers
- F04B9/131—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having plural pumping chambers with two mechanically connected pumping members
- F04B9/133—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having plural pumping chambers with two mechanically connected pumping members reciprocating movement of the pumping members being obtained by a double-acting elastic-fluid motor
-
- 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
- F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
- F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air
- F04B9/129—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having plural pumping chambers
- F04B9/137—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having plural pumping chambers the pumping members not being mechanically connected to each other
- F04B9/1372—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having plural pumping chambers the pumping members not being mechanically connected to each other the movement of each pump piston in the two directions is obtained by a double-acting piston fluid motor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H43/00—Other fluid gearing, e.g. with oscillating input or output
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
- F15B2211/212—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
- F15B2211/216—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being pneumatic-to-hydraulic converters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30505—Non-return valves, i.e. check valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/3052—Shuttle valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/327—Directional control characterised by the type of actuation electrically or electronically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/329—Directional control characterised by the type of actuation actuated by fluid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
- F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50554—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure downstream of the pressure control means, e.g. pressure reducing valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
- F15B2211/5151—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a directional control valve
- F15B2211/5152—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a directional control valve being connected to multiple pressure sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/61—Secondary circuits
- F15B2211/613—Feeding circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
- Reciprocating Pumps (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2058101A SU524018A1 (en) | 1974-09-04 | 1974-09-04 | Pneumatic or hydraulic return action |
SU2133468A SU529049A1 (en) | 1975-05-27 | 1975-05-27 | Pneumohydraulic drive of multi-clamp fixtures of technological equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2284048A1 true FR2284048A1 (en) | 1976-04-02 |
FR2284048B1 FR2284048B1 (en) | 1978-04-07 |
Family
ID=26665531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7527200A Granted FR2284048A1 (en) | 1974-09-04 | 1975-09-04 | HYDROPNEUMATIC PUMPING PLANT |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5248802A (en) |
DE (1) | DE2538870A1 (en) |
FR (1) | FR2284048A1 (en) |
GB (1) | GB1477556A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2492903A1 (en) * | 1980-02-27 | 1982-04-30 | Mo Aviat I | HYDROPNEUMATIC PUMPING SYSTEM |
FR2504205A1 (en) * | 1980-03-26 | 1982-10-22 | Mo Aviat I | PNEUMOHYDRAULIC PUMPING SYSTEM |
FR2504606A1 (en) * | 1981-04-27 | 1982-10-29 | Mo Aviat I | Hydropneumatic pumping installation - uses hollow piston to form air spaces venting alternately to atmosphere to coordinate piston and booster movements |
FR2505941A1 (en) * | 1981-05-12 | 1982-11-19 | Mo Aviat I | Hydropneumatic pumping installation - has main and auxiliary distributors with two-way feedback booster links to prevent false tripping |
FR2518659A1 (en) * | 1981-12-23 | 1983-06-24 | Maximov Anatoly | Viscous liq. feeder with enclosed feed and offtake pipes - has coaxially walled body with links to coordinate delivery and injection and prevent break in flow |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE403093B (en) * | 1976-12-17 | 1978-07-31 | Imo Industri Ab | HYDRAULIC SYSTEM, SPECIAL FOR OPERATION OF HYDRAULIC ELEVATORS |
US4439986A (en) * | 1981-01-23 | 1984-04-03 | Snitgen Joseph D | Hydraulic power unit |
DE3050503C2 (en) * | 1980-07-31 | 1985-04-18 | Moskovskij aviacionnyj institut imeni Sergo Ordžonikidze, Moskva | Booster with two hydropneumatic double-acting pressure intensifiers |
DE3050501A1 (en) * | 1980-07-31 | 1982-08-26 | Mo Aviatsionnyj I Im S Ordzhon | A HYDRO-PNEUMATIC PUMPING INSTALLATION |
US4455828A (en) * | 1981-09-30 | 1984-06-26 | Snitgen Joseph D | Hydraulic power unit |
GB2175352A (en) * | 1985-05-14 | 1986-11-26 | Coal Ind | Hydraulic pulseless supply means |
AT406984B (en) * | 1998-12-22 | 2000-11-27 | Joerg Thurner | DEVICE FOR CONVERTING ENERGY STORED IN COMPRESSED AIR IN MECHANICAL WORK |
US20110266810A1 (en) | 2009-11-03 | 2011-11-03 | Mcbride Troy O | Systems and methods for compressed-gas energy storage using coupled cylinder assemblies |
US8359856B2 (en) | 2008-04-09 | 2013-01-29 | Sustainx Inc. | Systems and methods for efficient pumping of high-pressure fluids for energy storage and recovery |
US8225606B2 (en) | 2008-04-09 | 2012-07-24 | Sustainx, Inc. | Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression |
US7958731B2 (en) | 2009-01-20 | 2011-06-14 | Sustainx, Inc. | Systems and methods for combined thermal and compressed gas energy conversion systems |
US8037678B2 (en) | 2009-09-11 | 2011-10-18 | Sustainx, Inc. | Energy storage and generation systems and methods using coupled cylinder assemblies |
US8448433B2 (en) | 2008-04-09 | 2013-05-28 | Sustainx, Inc. | Systems and methods for energy storage and recovery using gas expansion and compression |
US8479505B2 (en) | 2008-04-09 | 2013-07-09 | Sustainx, Inc. | Systems and methods for reducing dead volume in compressed-gas energy storage systems |
US8474255B2 (en) | 2008-04-09 | 2013-07-02 | Sustainx, Inc. | Forming liquid sprays in compressed-gas energy storage systems for effective heat exchange |
US8677744B2 (en) | 2008-04-09 | 2014-03-25 | SustaioX, Inc. | Fluid circulation in energy storage and recovery systems |
US7802426B2 (en) | 2008-06-09 | 2010-09-28 | Sustainx, Inc. | System and method for rapid isothermal gas expansion and compression for energy storage |
EP2280841A2 (en) | 2008-04-09 | 2011-02-09 | Sustainx, Inc. | Systems and methods for energy storage and recovery using compressed gas |
US20100307156A1 (en) | 2009-06-04 | 2010-12-09 | Bollinger Benjamin R | Systems and Methods for Improving Drivetrain Efficiency for Compressed Gas Energy Storage and Recovery Systems |
US8250863B2 (en) | 2008-04-09 | 2012-08-28 | Sustainx, Inc. | Heat exchange with compressed gas in energy-storage systems |
US8240140B2 (en) | 2008-04-09 | 2012-08-14 | Sustainx, Inc. | High-efficiency energy-conversion based on fluid expansion and compression |
US8104274B2 (en) | 2009-06-04 | 2012-01-31 | Sustainx, Inc. | Increased power in compressed-gas energy storage and recovery |
US8171728B2 (en) | 2010-04-08 | 2012-05-08 | Sustainx, Inc. | High-efficiency liquid heat exchange in compressed-gas energy storage systems |
US8191362B2 (en) | 2010-04-08 | 2012-06-05 | Sustainx, Inc. | Systems and methods for reducing dead volume in compressed-gas energy storage systems |
US8234863B2 (en) | 2010-05-14 | 2012-08-07 | Sustainx, Inc. | Forming liquid sprays in compressed-gas energy storage systems for effective heat exchange |
US8495872B2 (en) | 2010-08-20 | 2013-07-30 | Sustainx, Inc. | Energy storage and recovery utilizing low-pressure thermal conditioning for heat exchange with high-pressure gas |
US8578708B2 (en) | 2010-11-30 | 2013-11-12 | Sustainx, Inc. | Fluid-flow control in energy storage and recovery systems |
WO2012158781A2 (en) | 2011-05-17 | 2012-11-22 | Sustainx, Inc. | Systems and methods for efficient two-phase heat transfer in compressed-air energy storage systems |
WO2013106115A2 (en) | 2011-10-14 | 2013-07-18 | Sustainx, Inc. | Dead-volume management in compressed-gas energy storage and recovery systems |
CN104088824B (en) * | 2014-07-22 | 2016-05-11 | 株洲市文佳实业有限公司 | Plastic deformation squeezes the hydraulic system of forging molding equipment |
CN105626355B (en) * | 2016-01-27 | 2018-05-25 | 华北电力大学 | Self-adaptive hydraulic potential energy conversion equipment |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB473922A (en) * | 1935-08-08 | 1937-10-22 | Franz Heinl | Improvements in fluid actuated valve gear for fluid pressure reciprocating engines |
US2442916A (en) * | 1945-11-05 | 1948-06-08 | J D Buchanan | Hydraulic booster |
US2508298A (en) * | 1948-04-16 | 1950-05-16 | Oliver J Saari | Fluid pressure intensifying device |
DE911450C (en) * | 1951-08-30 | 1954-05-13 | Fritz Brieger | Pump for pumping fluids with two drive pistons that form a structural body |
US2773486A (en) * | 1955-02-16 | 1956-12-11 | Charlynn Co | Valve means for a fluid pressure system |
US2858767A (en) * | 1955-10-13 | 1958-11-04 | Neil V Smith | Pumping apparatus |
FR1269305A (en) * | 1960-06-25 | 1961-08-11 | Frank & Pignard | Double-acting hydro-pneumatic control device with automatic recovery and compensation of hydraulic volumes |
US3185040A (en) * | 1963-04-15 | 1965-05-25 | American Brake Shoe Co | Hydraulic reciprocating system |
-
1975
- 1975-09-02 DE DE19752538870 patent/DE2538870A1/en not_active Ceased
- 1975-09-04 FR FR7527200A patent/FR2284048A1/en active Granted
- 1975-09-04 GB GB3643975A patent/GB1477556A/en not_active Expired
- 1975-09-04 JP JP50106589A patent/JPS5248802A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB473922A (en) * | 1935-08-08 | 1937-10-22 | Franz Heinl | Improvements in fluid actuated valve gear for fluid pressure reciprocating engines |
US2442916A (en) * | 1945-11-05 | 1948-06-08 | J D Buchanan | Hydraulic booster |
US2508298A (en) * | 1948-04-16 | 1950-05-16 | Oliver J Saari | Fluid pressure intensifying device |
DE911450C (en) * | 1951-08-30 | 1954-05-13 | Fritz Brieger | Pump for pumping fluids with two drive pistons that form a structural body |
US2773486A (en) * | 1955-02-16 | 1956-12-11 | Charlynn Co | Valve means for a fluid pressure system |
US2858767A (en) * | 1955-10-13 | 1958-11-04 | Neil V Smith | Pumping apparatus |
FR1269305A (en) * | 1960-06-25 | 1961-08-11 | Frank & Pignard | Double-acting hydro-pneumatic control device with automatic recovery and compensation of hydraulic volumes |
US3185040A (en) * | 1963-04-15 | 1965-05-25 | American Brake Shoe Co | Hydraulic reciprocating system |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2492903A1 (en) * | 1980-02-27 | 1982-04-30 | Mo Aviat I | HYDROPNEUMATIC PUMPING SYSTEM |
FR2504205A1 (en) * | 1980-03-26 | 1982-10-22 | Mo Aviat I | PNEUMOHYDRAULIC PUMPING SYSTEM |
FR2504606A1 (en) * | 1981-04-27 | 1982-10-29 | Mo Aviat I | Hydropneumatic pumping installation - uses hollow piston to form air spaces venting alternately to atmosphere to coordinate piston and booster movements |
FR2505941A1 (en) * | 1981-05-12 | 1982-11-19 | Mo Aviat I | Hydropneumatic pumping installation - has main and auxiliary distributors with two-way feedback booster links to prevent false tripping |
FR2518659A1 (en) * | 1981-12-23 | 1983-06-24 | Maximov Anatoly | Viscous liq. feeder with enclosed feed and offtake pipes - has coaxially walled body with links to coordinate delivery and injection and prevent break in flow |
Also Published As
Publication number | Publication date |
---|---|
FR2284048B1 (en) | 1978-04-07 |
DE2538870A1 (en) | 1976-04-01 |
GB1477556A (en) | 1977-06-22 |
JPS5248802A (en) | 1977-04-19 |
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