FR2102291A1 - - Google Patents
Info
- Publication number
- FR2102291A1 FR2102291A1 FR7129344A FR7129344A FR2102291A1 FR 2102291 A1 FR2102291 A1 FR 2102291A1 FR 7129344 A FR7129344 A FR 7129344A FR 7129344 A FR7129344 A FR 7129344A FR 2102291 A1 FR2102291 A1 FR 2102291A1
- Authority
- FR
- France
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/16—Control arrangements for fluid-driven presses
- B30B15/161—Control arrangements for fluid-driven presses controlling the ram speed and ram pressure, e.g. fast approach speed at low pressure, low pressing speed at high pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
-
- 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
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/024—Systems essentially incorporating special features for controlling the speed or actuating force of an output member by means of differential connection of the servomotor lines, e.g. regenerative 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
-
- 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
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/024—Systems essentially incorporating special features for controlling the speed or actuating force of an output member by means of differential connection of the servomotor lines, e.g. regenerative circuits
- F15B2011/0243—Systems essentially incorporating special features for controlling the speed or actuating force of an output member by means of differential connection of the servomotor lines, e.g. regenerative circuits the regenerative circuit being activated or deactivated automatically
-
- 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
- F15B2211/30525—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
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/3056—Assemblies of multiple valves
- F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
- F15B2211/3058—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve having additional valves for interconnecting the fluid chambers of a double-acting actuator, e.g. for regeneration mode or for floating mode
-
- 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
- F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
- F15B2211/31552—Directional control characterised by the connections of the valve or valves in the circuit being connected to an output member and a return line
- F15B2211/31558—Directional control characterised by the connections of the valve or valves in the circuit being connected to an output member and a return line having a single output member
-
- 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
- F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
- F15B2211/3157—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line
- F15B2211/31576—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line having a single pressure source and a single output member
-
- 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
- F15B2211/321—Directional control characterised by the type of actuation mechanically
- F15B2211/324—Directional control characterised by the type of actuation mechanically manually, e.g. by using a lever or pedal
-
- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/75—Control of speed of the output member
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Press Drives And Press Lines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7141270 | 1970-08-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2102291A1 true FR2102291A1 (da) | 1972-04-07 |
FR2102291B1 FR2102291B1 (da) | 1974-08-19 |
Family
ID=13459763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7129344A Expired FR2102291B1 (da) | 1970-08-17 | 1971-08-11 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3759144A (da) |
DE (1) | DE2140183A1 (da) |
FR (1) | FR2102291B1 (da) |
GB (1) | GB1347725A (da) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2476262A1 (fr) * | 1979-08-20 | 1981-08-21 | Nl Industries Inc | Systeme distributeur de commande pour obturateurs anti-eruption et procede de mise en oeuvre d'un tel systeme |
US4509405A (en) * | 1979-08-20 | 1985-04-09 | Nl Industries, Inc. | Control valve system for blowout preventers |
FR2562611A1 (fr) * | 1984-04-09 | 1985-10-11 | Alberti Rosette | Procede d'alimentation des verins hydrauliques et verins hydrauliques mettant en oeuvre le procede |
CN103470815A (zh) * | 2013-09-30 | 2013-12-25 | 常德中联重科液压有限公司 | 平衡阀 |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE795282A (fr) * | 1972-02-24 | 1973-05-29 | Poclain Sa | Generateur de vibrations utilisant un verin a fluide |
DE2356607A1 (de) * | 1973-11-13 | 1975-05-22 | Bosch Gmbh Robert | Hydraulisches steuersystem |
GB1542402A (en) * | 1975-07-07 | 1979-03-21 | Smiths Industries Ltd | Fluid pressure supply apparatus |
US4411189A (en) * | 1977-07-18 | 1983-10-25 | The Scott And Fetzer Company | Fluid flow controlling device |
US4216702A (en) * | 1978-05-01 | 1980-08-12 | Eaton Yale Ltd. | Pressure sensing regenerative hydraulic system |
WO1981000249A1 (en) * | 1979-07-11 | 1981-02-05 | J Muntjanoff | Self adjusting actuator system |
US4313633A (en) * | 1979-07-11 | 1982-02-02 | Caterpillar Tractor Co. | Self adjusting actuator system |
US4614148A (en) * | 1979-08-20 | 1986-09-30 | Nl Industries, Inc. | Control valve system for blowout preventers |
DD207298A3 (de) * | 1981-12-23 | 1984-02-22 | Kurt Seidel | Hydraulische presse |
US4672831A (en) * | 1983-09-21 | 1987-06-16 | Amada Company, Limited | Bending press |
US4836088A (en) * | 1985-08-21 | 1989-06-06 | Rome Industries, Inc. | Directional control valve and regeneration valve |
AT408331B (de) * | 2000-02-17 | 2001-10-25 | Hoerbiger Hydraulik | Betätigungsanordnung für bewegte teile an fahrzeugen, insbesondere heckdeckel, verdeckklappen, motorhauben od.dgl. |
US6164113A (en) * | 2000-03-14 | 2000-12-26 | Crc-Evans Pipeline International, Inc. | Variable-speed pipe bending |
IT1319478B1 (it) * | 2000-12-05 | 2003-10-10 | Bell Srl | Gruppo idraulico con sistema rigenerativo automatico tipicamente permacchine spaccalegna azionate da un martinetto a semplice effetto |
AT505724B1 (de) | 2007-09-12 | 2010-06-15 | Trumpf Maschinen Austria Gmbh | Antriebsvorrichtung für eine biegepresse |
CN103615576A (zh) * | 2013-12-02 | 2014-03-05 | 黎维 | 一种多功能组合阀 |
CN104863909B (zh) * | 2015-04-18 | 2016-03-02 | 浙江大学 | 带有容积、压力和泄漏检测功能的弹簧增压闭式液压油箱 |
CN112196853B (zh) * | 2020-11-05 | 2022-08-16 | 上海航天控制技术研究所 | 液压能源控制阀块 |
DE102022129425B3 (de) | 2022-11-08 | 2023-12-21 | Gl Gmbh Metall- Und Werkstatttechnik | Hubvorrichtung |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1023703A (fr) * | 1949-08-23 | 1953-03-23 | Keelavite Co Ltd | Perfectionnements aux béliers hydrauliques |
FR1530770A (fr) * | 1967-06-20 | 1968-06-28 | M U C Schiffer O H G | Dispositif d'actionnement hydraulique d'outils ou analogue, notamment d'éléments mobiles de moules de presses à injecter la matière plastique |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US25643A (en) * | 1859-10-04 | bourgnon | ||
GB863701A (en) * | 1959-04-03 | 1961-03-22 | Caterpillar Tractor Co | Control for hydraulic jack circuits |
-
1971
- 1971-08-11 DE DE19712140183 patent/DE2140183A1/de active Pending
- 1971-08-11 FR FR7129344A patent/FR2102291B1/fr not_active Expired
- 1971-08-11 US US00170876A patent/US3759144A/en not_active Expired - Lifetime
- 1971-08-13 GB GB3802871A patent/GB1347725A/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1023703A (fr) * | 1949-08-23 | 1953-03-23 | Keelavite Co Ltd | Perfectionnements aux béliers hydrauliques |
FR1530770A (fr) * | 1967-06-20 | 1968-06-28 | M U C Schiffer O H G | Dispositif d'actionnement hydraulique d'outils ou analogue, notamment d'éléments mobiles de moules de presses à injecter la matière plastique |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2476262A1 (fr) * | 1979-08-20 | 1981-08-21 | Nl Industries Inc | Systeme distributeur de commande pour obturateurs anti-eruption et procede de mise en oeuvre d'un tel systeme |
US4509405A (en) * | 1979-08-20 | 1985-04-09 | Nl Industries, Inc. | Control valve system for blowout preventers |
FR2562611A1 (fr) * | 1984-04-09 | 1985-10-11 | Alberti Rosette | Procede d'alimentation des verins hydrauliques et verins hydrauliques mettant en oeuvre le procede |
CN103470815A (zh) * | 2013-09-30 | 2013-12-25 | 常德中联重科液压有限公司 | 平衡阀 |
Also Published As
Publication number | Publication date |
---|---|
DE2140183A1 (de) | 1972-02-24 |
US3759144A (en) | 1973-09-18 |
FR2102291B1 (da) | 1974-08-19 |
GB1347725A (en) | 1974-02-27 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |