JPS4986774A - - Google Patents
Info
- Publication number
- JPS4986774A JPS4986774A JP48131618A JP13161873A JPS4986774A JP S4986774 A JPS4986774 A JP S4986774A JP 48131618 A JP48131618 A JP 48131618A JP 13161873 A JP13161873 A JP 13161873A JP S4986774 A JPS4986774 A JP S4986774A
- 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.)
- Pending
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
- 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
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- 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
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- 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
- F15B2211/20507—Type of prime mover
- F15B2211/20515—Electric motor
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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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/275—Control of the prime mover, e.g. hydraulic control
-
- 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
-
- 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
- F15B2211/30585—Assemblies of multiple valves having a single valve for 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
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3105—Neutral or centre positions
- F15B2211/3111—Neutral or centre positions the pump port being closed in the centre position, e.g. so-called closed centre
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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
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/634—Electronic controllers using input signals representing a state of a 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/665—Methods of control using electronic components
- F15B2211/6651—Control of the prime mover, e.g. control of the output torque or rotational speed
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S60/00—Power plants
- Y10S60/911—Fluid motor system incorporating electrical system
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2259294A DE2259294C3 (de) | 1972-12-04 | 1972-12-04 | Hydraulische Einrichtung zum Steuern einer Anlage mit wenigstens einem Verbraucher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4986774A true JPS4986774A (ja) | 1974-08-20 |
Family
ID=5863459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48131618A Pending JPS4986774A (ja) | 1972-12-04 | 1973-11-22 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3864913A (ja) |
| JP (1) | JPS4986774A (ja) |
| DE (1) | DE2259294C3 (ja) |
| FR (1) | FR2209052B1 (ja) |
| GB (1) | GB1413766A (ja) |
| IT (1) | IT1001973B (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02138504A (ja) * | 1987-11-19 | 1990-05-28 | Honeywell Lucifer Sa | シリンダ内のピストンの制御装置 |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3962871A (en) * | 1975-04-30 | 1976-06-15 | Towmotor Corporation | Control means adjustably synchronizing operation of a single pump with a plurality of control valves |
| DE2601484C2 (de) * | 1976-01-16 | 1984-07-26 | Robert Bosch Gmbh, 7000 Stuttgart | Steuereinrichtung für mindestens zwei von einer Druckmittelquelle gespeiste hydraulische Verbraucher |
| US4149565A (en) * | 1977-02-02 | 1979-04-17 | International Harvester Company | Pilot controlled poppet valve assembly |
| DE2718641C2 (de) * | 1977-04-27 | 1986-05-07 | Mannesmann Rexroth GmbH, 8770 Lohr | Steuerblock mit elektrischer Ein- und Ausschaltvorrichtung für die Hydropumpe von elektrisch betriebenen Hubfahrzeugen |
| US4881371A (en) * | 1988-07-26 | 1989-11-21 | Clark Equipment Company | Auxiliary coupler pressure relief hydraulic system with pump drive ignition switch relief |
| DE10021744A1 (de) * | 2000-05-04 | 2001-11-15 | Festo Ag & Co | Vorrichtung zur Einstellung des Differenzdrucks in einem Fluidzylinder |
| CN101614228B (zh) * | 2008-06-27 | 2012-01-04 | 扬州威奥重工机械有限公司 | 一种矿用混凝土泵的液压控制系统 |
| CN103161780B (zh) * | 2013-03-20 | 2016-02-10 | 日照海卓液压有限公司 | 一种基于单端油源管理体的多路换向阀 |
| CN104776080B (zh) * | 2015-04-08 | 2017-06-09 | 中联重科股份有限公司 | 阻尼阀、卷扬系统及工程机械 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3443483A (en) * | 1966-05-06 | 1969-05-13 | Int Harvester Co | Pilot unloading hydraulic circuit |
| US3520231A (en) * | 1968-10-23 | 1970-07-14 | Gen Signal Corp | Hydraulic supply systems with flow rate-limiting control |
| US3550505A (en) * | 1969-05-07 | 1970-12-29 | Gen Signal Corp | Hydraulic system including two work circuits |
-
1972
- 1972-12-04 DE DE2259294A patent/DE2259294C3/de not_active Expired
-
1973
- 1973-11-22 JP JP48131618A patent/JPS4986774A/ja active Pending
- 1973-11-28 IT IT31739/73A patent/IT1001973B/it active
- 1973-11-29 US US420286A patent/US3864913A/en not_active Expired - Lifetime
- 1973-11-30 GB GB5573973A patent/GB1413766A/en not_active Expired
- 1973-12-04 FR FR7343238A patent/FR2209052B1/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02138504A (ja) * | 1987-11-19 | 1990-05-28 | Honeywell Lucifer Sa | シリンダ内のピストンの制御装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2259294C3 (de) | 1979-01-04 |
| US3864913A (en) | 1975-02-11 |
| DE2259294A1 (de) | 1974-06-06 |
| FR2209052B1 (ja) | 1978-02-10 |
| DE2259294B2 (de) | 1978-04-20 |
| GB1413766A (en) | 1975-11-12 |
| IT1001973B (it) | 1976-04-30 |
| FR2209052A1 (ja) | 1974-06-28 |