JPS5730483Y2 - - Google Patents
Info
- Publication number
- JPS5730483Y2 JPS5730483Y2 JP1976075993U JP7599376U JPS5730483Y2 JP S5730483 Y2 JPS5730483 Y2 JP S5730483Y2 JP 1976075993 U JP1976075993 U JP 1976075993U JP 7599376 U JP7599376 U JP 7599376U JP S5730483 Y2 JPS5730483 Y2 JP S5730483Y2
- Authority
- JP
- Japan
- 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.)
- Expired
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
- F15B11/02—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
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- 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
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3105—Neutral or centre positions
- F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
-
- 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
- F15B2211/315—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
- F15B2211/31588—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 multiple output members
-
- 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
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7114—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators
- F15B2211/7128—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators the chambers being connected in parallel
-
- 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
- F15B2211/755—Control of acceleration or deceleration of the output member
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1976075993U JPS5730483Y2 (US20030220297A1-20031127-C00074.png) | 1976-06-10 | 1976-06-10 | |
| US05/804,846 US4194436A (en) | 1976-06-10 | 1977-06-08 | Speedup device for reciprocating cylinders |
| GB24075/77A GB1579287A (en) | 1976-06-10 | 1977-06-09 | Speed-up devices for reciprocating cylinders |
| FR7717955A FR2354465A1 (fr) | 1976-06-10 | 1977-06-10 | Dispositif accelerateur pour verins a mouvement alternatif |
| DE19772726165 DE2726165A1 (de) | 1976-06-10 | 1977-06-10 | Vorrichtung zur erhoehung der ausfahrgeschwindigkeit der kolbenstange eines druckmitteldruck verwendenden hubzylinders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1976075993U JPS5730483Y2 (US20030220297A1-20031127-C00074.png) | 1976-06-10 | 1976-06-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52166095U JPS52166095U (US20030220297A1-20031127-C00074.png) | 1977-12-16 |
| JPS5730483Y2 true JPS5730483Y2 (US20030220297A1-20031127-C00074.png) | 1982-07-05 |
Family
ID=13592301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1976075993U Expired JPS5730483Y2 (US20030220297A1-20031127-C00074.png) | 1976-06-10 | 1976-06-10 |
Country Status (5)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014080812A (ja) * | 2012-10-17 | 2014-05-08 | Sanyo Kiki Co Ltd | 作業機の油圧回路 |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4200031A (en) * | 1978-03-02 | 1980-04-29 | Applied Power Inc. | Locking cylinders |
| JPS54158583A (en) * | 1978-06-05 | 1979-12-14 | Toyooki Kogyo Kk | Hydraulic controller |
| DE2855749A1 (de) * | 1978-12-22 | 1980-06-26 | Int Harvester Co | Hydraulische steuereinrichtung zur verteilung von druckfluessigkeit mindestens einer, insbesondere von zwei druckfluessigkeitsquellen auf mehrere verschiedenrangige verbraucher |
| JPS5635806A (en) * | 1979-09-01 | 1981-04-08 | Sanyo Kiki Kk | Compound oil pressure circuit |
| US4470339A (en) * | 1979-11-09 | 1984-09-11 | Bennes Marrel | Braking valve for hydraulic circuits |
| US4505339A (en) * | 1980-02-27 | 1985-03-19 | Dresser Industries, Inc. | Hydraulic control for a dozer blade |
| US4352398A (en) * | 1980-02-27 | 1982-10-05 | International Harvester Co. | Circuit for pitch and tilt of dozer blade |
| US4359931A (en) * | 1981-01-19 | 1982-11-23 | The Warner & Swasey Company | Regenerative and anticavitation hydraulic system for an excavator |
| US4410056A (en) * | 1981-05-27 | 1983-10-18 | Paccar Inc. | Hydraulic cab tilting system having full locking with controlled free-fall |
| US4397221A (en) * | 1981-06-01 | 1983-08-09 | Deere & Company | Regenerative valve |
| JPS622805U (US20030220297A1-20031127-C00074.png) * | 1985-06-20 | 1987-01-09 | ||
| US4955282A (en) * | 1989-03-27 | 1990-09-11 | Ranson Ronald W | Uniform flow hydraulic system |
| JP2788675B2 (ja) * | 1990-11-06 | 1998-08-20 | 住友重機械工業株式会社 | 型開閉制御装置 |
| US5220862A (en) * | 1992-05-15 | 1993-06-22 | Caterpillar Inc. | Fluid regeneration circuit |
| US5233909A (en) * | 1992-07-21 | 1993-08-10 | Decatur Cylinder, Inc. | Integral regenerative fluid system |
| FI99266C (fi) * | 1996-03-15 | 1998-02-10 | Tamrock Oy | Sovitelma paineväliainesylinterissä |
| GB9726517D0 (en) * | 1997-12-16 | 1998-02-11 | Smiths Industries Ltd | Hydraulic apparatus |
| US6955115B1 (en) * | 1999-03-17 | 2005-10-18 | Caterpillar Inc. | Hydraulic circuit having pressure equalization during regeneration |
| DE102005022275A1 (de) | 2004-07-22 | 2006-02-16 | Bosch Rexroth Aktiengesellschaft | Hydraulische Steueranordnung |
| US7913491B2 (en) * | 2007-11-30 | 2011-03-29 | Caterpillar Inc. | Hydraulic flow control system and method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4831198U (US20030220297A1-20031127-C00074.png) * | 1971-08-21 | 1973-04-16 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR694928A (fr) * | 1929-04-27 | 1930-12-09 | Waterbury Tool Co | Perfectionnements aux mécanismes de commande des machines-outils |
| US2590454A (en) * | 1949-09-13 | 1952-03-25 | John S Pilch | Hydraulic by-pass system and valve therefor |
| US2890683A (en) * | 1952-02-06 | 1959-06-16 | John S Pilch | Fluid actuated control valve means for fluid motors |
| GB863701A (en) * | 1959-04-03 | 1961-03-22 | Caterpillar Tractor Co | Control for hydraulic jack circuits |
| FR1236852A (fr) * | 1959-04-03 | 1960-07-22 | Caterpillar Tractor Co | Perfectionnements aux circuits de commande d'un vérin hydraulique |
| SU141046A1 (ru) * | 1960-01-25 | 1960-11-30 | Б.И. Вдовин | Устройство дл ускорени холостого хода поршн гидравлического силового цилиндра |
| US3497032A (en) * | 1968-07-01 | 1970-02-24 | Allis Chalmers Mfg Co | Balanced hydraulic steering system |
| DE2010943A1 (de) * | 1970-03-07 | 1971-09-23 | Xaver Fendt & Co, 8952 Marktoberdorf | Anordnung zur Steuerung eines doppeltwirkenden Hubzylinders, z. B. an landwirtschaftlichen Fahrzeugen |
| US3654835A (en) * | 1970-05-25 | 1972-04-11 | Ato Inc | Regeneration valve |
-
1976
- 1976-06-10 JP JP1976075993U patent/JPS5730483Y2/ja not_active Expired
-
1977
- 1977-06-08 US US05/804,846 patent/US4194436A/en not_active Expired - Lifetime
- 1977-06-09 GB GB24075/77A patent/GB1579287A/en not_active Expired
- 1977-06-10 DE DE19772726165 patent/DE2726165A1/de active Pending
- 1977-06-10 FR FR7717955A patent/FR2354465A1/fr active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4831198U (US20030220297A1-20031127-C00074.png) * | 1971-08-21 | 1973-04-16 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014080812A (ja) * | 2012-10-17 | 2014-05-08 | Sanyo Kiki Co Ltd | 作業機の油圧回路 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2354465A1 (fr) | 1978-01-06 |
| GB1579287A (en) | 1980-11-19 |
| DE2726165A1 (de) | 1977-12-22 |
| FR2354465B1 (US20030220297A1-20031127-C00074.png) | 1982-08-27 |
| US4194436A (en) | 1980-03-25 |
| JPS52166095U (US20030220297A1-20031127-C00074.png) | 1977-12-16 |
