NL8300552A - Elektrohydraulisch stuurstelsel. - Google Patents
Elektrohydraulisch stuurstelsel. Download PDFInfo
- Publication number
- NL8300552A NL8300552A NL8300552A NL8300552A NL8300552A NL 8300552 A NL8300552 A NL 8300552A NL 8300552 A NL8300552 A NL 8300552A NL 8300552 A NL8300552 A NL 8300552A NL 8300552 A NL8300552 A NL 8300552A
- Authority
- NL
- Netherlands
- Prior art keywords
- fluid
- analog
- flow
- valves
- voltage
- Prior art date
Links
- 239000012530 fluid Substances 0.000 claims description 31
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000000052 comparative effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000011109 contamination Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
- F15B11/042—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in"
- F15B11/0426—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in" by controlling the number of pumps or parallel valves switched on
-
- 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
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/044—Working platforms suspended from booms
-
- 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
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40507—Flow control characterised by the type of flow control means or valve with constant throttles or orifices
-
- 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
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
-
- 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
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40576—Assemblies of multiple valves
- F15B2211/40592—Assemblies of multiple valves with multiple valves in parallel flow paths
-
- 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
- F15B2211/40—Flow control
- F15B2211/42—Flow control characterised by the type of actuation
- F15B2211/426—Flow 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
- F15B2211/40—Flow control
- F15B2211/455—Control of flow in the feed line, i.e. meter-in 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
- F15B2211/40—Flow control
- F15B2211/47—Flow control in one direction only
- F15B2211/473—Flow control in one direction only without restriction in the reverse direction
-
- 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
- F15B2211/50536—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid to the return line
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Servomotors (AREA)
- Flow Control (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US36661282A | 1982-04-08 | 1982-04-08 | |
| US36661282 | 1982-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8300552A true NL8300552A (nl) | 1983-11-01 |
Family
ID=23443748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8300552A NL8300552A (nl) | 1982-04-08 | 1983-02-14 | Elektrohydraulisch stuurstelsel. |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS58187602A (it) |
| AU (1) | AU1053383A (it) |
| BE (1) | BE895896A (it) |
| BR (1) | BR8300653A (it) |
| DE (1) | DE3307267A1 (it) |
| FR (1) | FR2524945A1 (it) |
| GB (1) | GB2119190A (it) |
| IT (1) | IT1163241B (it) |
| NL (1) | NL8300552A (it) |
| SE (1) | SE8301900L (it) |
| ZA (1) | ZA83704B (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009026606A1 (de) * | 2009-05-29 | 2010-12-02 | Metso Paper, Inc. | Digitalyhydraulischer Regler |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3038449A (en) * | 1959-06-03 | 1962-06-12 | Gen Dynamics Corp | Hydraulic control system |
| DE2011713A1 (de) * | 1970-03-12 | 1971-09-30 | Bosch Gmbh Robert | Verstelleinrichtung fuer einen hydraulikkolben mit pulslaengenmodulierten steuersignalen |
-
1983
- 1983-01-18 AU AU10533/83A patent/AU1053383A/en not_active Abandoned
- 1983-02-01 GB GB08302732A patent/GB2119190A/en not_active Withdrawn
- 1983-02-02 ZA ZA83704A patent/ZA83704B/xx unknown
- 1983-02-08 BR BR8300653A patent/BR8300653A/pt unknown
- 1983-02-14 BE BE2/60029A patent/BE895896A/nl not_active IP Right Cessation
- 1983-02-14 NL NL8300552A patent/NL8300552A/nl not_active Application Discontinuation
- 1983-03-02 DE DE19833307267 patent/DE3307267A1/de not_active Withdrawn
- 1983-04-06 FR FR8305608A patent/FR2524945A1/fr not_active Withdrawn
- 1983-04-07 IT IT20488/83A patent/IT1163241B/it active
- 1983-04-07 SE SE8301900A patent/SE8301900L/xx not_active Application Discontinuation
- 1983-04-08 JP JP58062885A patent/JPS58187602A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB8302732D0 (en) | 1983-03-02 |
| SE8301900D0 (sv) | 1983-04-07 |
| FR2524945A1 (fr) | 1983-10-14 |
| DE3307267A1 (de) | 1983-10-13 |
| SE8301900L (sv) | 1983-10-09 |
| ZA83704B (en) | 1983-10-26 |
| BR8300653A (pt) | 1983-12-13 |
| GB2119190A (en) | 1983-11-09 |
| JPS58187602A (ja) | 1983-11-01 |
| IT8320488A0 (it) | 1983-04-07 |
| IT1163241B (it) | 1987-04-08 |
| AU1053383A (en) | 1983-10-13 |
| BE895896A (nl) | 1983-05-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR0145142B1 (ko) | 유압재생장치 | |
| US6837045B2 (en) | Electrohydraulic lifting control device for industrial trucks | |
| US5701795A (en) | Hydraulic system | |
| SE503746C2 (sv) | Förfarande för att styra rörelsen för ett hydrauliskt rörligt arbetsredskap och banstyranordning | |
| GB2356429A (en) | Controlling fluid flow in an electrohydraulic system | |
| JPH05505444A (ja) | 油圧回路とその制御装置 | |
| KR0123026B1 (ko) | 작업기계의 제어장치 | |
| US5189605A (en) | Control and hydraulic system for a liftcrane | |
| JPH05248402A (ja) | 流体圧制御装置 | |
| EP3556722B1 (de) | Flurförderzeug mit einer hubvorrichtung | |
| US6199378B1 (en) | Off-setting rate of pressure rise in a fluid system | |
| SE511396C2 (sv) | Dämpanordning för en hydraulcylinder | |
| WO1993001417A1 (en) | Hydraulic system with pump and load | |
| NL8300552A (nl) | Elektrohydraulisch stuurstelsel. | |
| US4802367A (en) | Tensile test controller | |
| US6256986B1 (en) | Hydrostatic drive system | |
| CA1252546A (en) | Lift system | |
| EP3680493B1 (de) | Schaltungsanordnung | |
| EP4467423A1 (en) | Hydraulic arrangement | |
| US6640685B2 (en) | Closed loop electrohydraulic actuator control circuit | |
| US4586331A (en) | Automatic hydraulic speed control | |
| CN85109073A (zh) | 动力传送 | |
| US5490442A (en) | Safety circuit for a servo-hydraulic regulating system | |
| RU2847007C1 (ru) | Гидравлический привод солнечного трекера с регулятором давления | |
| RU2015521C1 (ru) | Электрогидравлический следящий привод |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed |