SE342871B - - Google Patents
Info
- Publication number
- SE342871B SE342871B SE15019/68A SE1501968A SE342871B SE 342871 B SE342871 B SE 342871B SE 15019/68 A SE15019/68 A SE 15019/68A SE 1501968 A SE1501968 A SE 1501968A SE 342871 B SE342871 B SE 342871B
- Authority
- SE
- Sweden
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
-
- 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
- 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
- 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
- F15B2211/20538—Type of pump constant capacity
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/615—Filtering means
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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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7058—Rotary 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7107—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being mechanically linked
-
- 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
- F15B2211/7135—Combinations of output members of different types, e.g. single-acting cylinders with rotary motors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7529967 | 1967-11-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE342871B true SE342871B (en) | 1972-02-21 |
Family
ID=13572213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE15019/68A SE342871B (en) | 1967-11-24 | 1968-11-06 |
Country Status (8)
Country | Link |
---|---|
US (1) | US3543646A (en) |
BE (1) | BE724293A (en) |
DE (1) | DE1810509B2 (en) |
ES (1) | ES360774A1 (en) |
FR (1) | FR1597618A (en) |
GB (1) | GB1244864A (en) |
NL (1) | NL6816838A (en) |
SE (1) | SE342871B (en) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2138986C3 (en) * | 1971-08-04 | 1978-09-07 | G.L. Rexroth Gmbh, 8770 Lohr | Control valve device for several hydraulic drives |
US3828951A (en) * | 1973-02-15 | 1974-08-13 | A Fleming | Proportional fluid distribution assembly for back hoe having reciprocating teeth |
JPS5226599B2 (en) * | 1973-10-31 | 1977-07-14 | ||
DE2364282C3 (en) * | 1973-12-22 | 1983-01-13 | O & K Orenstein & Koppel Ag, 1000 Berlin | Circuit arrangement for hydraulic motors |
DE2539287A1 (en) * | 1975-09-04 | 1977-03-17 | Bosch Gmbh Robert | CONTROL DEVICE FOR WORK CYLINDERS |
GB2129166B (en) * | 1979-10-24 | 1984-10-31 | Secr Defence | Fluid-powered actuators |
SE451399B (en) * | 1983-09-22 | 1987-10-05 | Toolex Alpha Ab | VALVE DEVICE FOR EXCHANGE SUPPLY OF A HEATING MEDIUM AND A COOLING MEDIUM |
IT1234937B (en) * | 1985-02-14 | 1992-06-02 | Cinotto Hydraulic | ANTI-SATURATION SYSTEM FOR HYDRAULIC CONTROL CIRCUITS WITH PUMPS AND PRESSURE-CONTROLLED DISTRIBUTORS FOR WORKING PARTS OF EARTH-MOVING MACHINES |
US5379594A (en) * | 1992-04-06 | 1995-01-10 | Crown Equipment Corporation | Lift truck with noise attenuated hydraulic circuit |
JP3174423B2 (en) * | 1993-02-17 | 2001-06-11 | 株式会社 神崎高級工機製作所 | Hydraulic supply device for work vehicles |
KR960011173A (en) * | 1994-09-30 | 1996-04-20 | 김무 | Cavitation prevention device of hydraulic motor |
SE525018C2 (en) * | 2003-03-21 | 2004-11-09 | Parker Hannifin Ab | Device for controlling a hydraulically driven motor |
SE525019C2 (en) * | 2003-03-21 | 2004-11-09 | Parker Hannifin Ab | Device for controlling a hydraulic motor |
CN101614228B (en) * | 2008-06-27 | 2012-01-04 | 扬州威奥重工机械有限公司 | Hydraulic controlling system for mining concrete pump |
US20120098247A1 (en) * | 2010-10-25 | 2012-04-26 | Celsia, Llc | Method of Creating and Exhibiting Fluid Dynamics |
JP6643913B2 (en) * | 2016-02-16 | 2020-02-12 | 株式会社クボタ | Hydraulic block |
JP6286482B2 (en) * | 2016-06-29 | 2018-02-28 | Kyb株式会社 | Fluid pressure control device |
CN109114053B (en) * | 2018-08-31 | 2020-06-09 | 武汉船用机械有限责任公司 | Multi-winch hydraulic system |
-
1968
- 1968-11-06 SE SE15019/68A patent/SE342871B/xx unknown
- 1968-11-07 GB GB52866/68A patent/GB1244864A/en not_active Expired
- 1968-11-12 US US774679A patent/US3543646A/en not_active Expired - Lifetime
- 1968-11-19 FR FR1597618D patent/FR1597618A/fr not_active Expired
- 1968-11-20 ES ES360774A patent/ES360774A1/en not_active Expired
- 1968-11-22 DE DE19681810509 patent/DE1810509B2/en active Pending
- 1968-11-22 BE BE724293D patent/BE724293A/xx unknown
- 1968-11-25 NL NL6816838A patent/NL6816838A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BE724293A (en) | 1969-05-02 |
FR1597618A (en) | 1970-06-29 |
NL6816838A (en) | 1969-05-28 |
US3543646A (en) | 1970-12-01 |
ES360774A1 (en) | 1970-10-16 |
DE1810509A1 (en) | 1970-05-21 |
DE1810509B2 (en) | 1972-02-24 |
GB1244864A (en) | 1971-09-02 |