SE334129B - - Google Patents
Info
- Publication number
- SE334129B SE334129B SE02686/68A SE268668A SE334129B SE 334129 B SE334129 B SE 334129B SE 02686/68 A SE02686/68 A SE 02686/68A SE 268668 A SE268668 A SE 268668A SE 334129 B SE334129 B SE 334129B
- 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
- E02F9/2221—Control of flow rate; Load sensing arrangements
-
- 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
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
-
- 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
- F15B2211/20546—Type of pump variable 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
- F15B2211/305—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
- F15B2211/31—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
- F15B2211/70—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
- F15B2211/7051—Linear output members
- F15B2211/7053—Double-acting 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
- F15B2211/705—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
- F15B2211/7142—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1634915A DE1634915C3 (de) | 1967-03-10 | 1967-03-10 | Schaltung für Hydraulikbagger |
Publications (1)
Publication Number | Publication Date |
---|---|
SE334129B true SE334129B (ru) | 1971-04-05 |
Family
ID=7352746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE02686/68A SE334129B (ru) | 1967-03-10 | 1968-03-01 |
Country Status (11)
Country | Link |
---|---|
US (1) | US3478647A (ru) |
JP (1) | JPS5345475B1 (ru) |
AT (1) | AT284018B (ru) |
BE (1) | BE711290A (ru) |
CH (1) | CH481279A (ru) |
DE (1) | DE1634915C3 (ru) |
FI (1) | FI47676C (ru) |
FR (1) | FR1555395A (ru) |
GB (1) | GB1222104A (ru) |
NL (1) | NL6802984A (ru) |
SE (1) | SE334129B (ru) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5148231B2 (ru) * | 1971-10-20 | 1976-12-20 | ||
BE792617A (fr) * | 1971-12-13 | 1973-06-12 | Caterpillar Tractor Co | Circuit hydraulique pour un excavateur. |
US3792836A (en) * | 1972-03-06 | 1974-02-19 | E Bender | Simplified well rig |
DE2364282C3 (de) * | 1973-12-22 | 1983-01-13 | O & K Orenstein & Koppel Ag, 1000 Berlin | Schaltungsanordnung für Hydraulikmotoren |
CA1278978C (en) * | 1987-02-19 | 1991-01-15 | Lary Lynn Williams | Hydraulic system for an industrial machine |
JPS63308821A (ja) * | 1987-06-10 | 1988-12-16 | Matsushita Electric Ind Co Ltd | 可動形電子部品 |
JPH078601Y2 (ja) * | 1987-11-10 | 1995-03-01 | 株式会社クボタ | バックホウの油圧回路 |
JPH02101440U (ru) * | 1989-01-27 | 1990-08-13 | ||
AU631727B2 (en) * | 1990-03-09 | 1992-12-03 | Kubota Corporation | Hydraulic circuit for a working vehicle having a plurality of hydraulic actuators |
DE4241846C2 (de) * | 1992-12-11 | 1996-09-26 | Danfoss As | Hydraulisches System |
US5469797A (en) * | 1994-02-07 | 1995-11-28 | Hearne, Jr.; David C. | Sugar cane planter |
DE19744327C1 (de) * | 1997-10-08 | 1998-10-22 | Walterscheid Gmbh Gkn | Vorrichtung zur Stabilisierung der Unterlenker eines Traktors |
DE19911440C2 (de) * | 1999-03-04 | 2002-09-19 | Komatsu Mining Germany Gmbh | Vorrichtung und Verfahren zur Ansteuerung einer Hydraulikanlage einer Baumaschine, insbesondere eines Hydraulikbaggers |
CN109944835B (zh) * | 2019-04-02 | 2024-04-23 | 重庆平山机电设备有限公司 | 一种钻机的液压系统及钻机 |
CN110482084B (zh) * | 2019-08-20 | 2021-11-19 | 长沙中联重科环境产业有限公司 | 垃圾压实器 |
CN115853753B (zh) * | 2022-12-22 | 2024-06-14 | 中国第一汽车股份有限公司 | 油泵卸荷系统、方法、存储介质和车辆 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2319551A (en) * | 1937-08-09 | 1943-05-18 | Fosdick Machine Tool Co | Hydraulic operating and control mechanism for machine tools |
US2244213A (en) * | 1939-01-12 | 1941-06-03 | Hydraulic Control Engineering | Valve structure |
US3156098A (en) * | 1959-11-20 | 1964-11-10 | Ford Motor Co | Hydraulic power system |
US3146593A (en) * | 1960-04-18 | 1964-09-01 | Parker Hannifin Corp | Dual pump system and control valve assembly therefor |
-
1967
- 1967-03-10 DE DE1634915A patent/DE1634915C3/de not_active Expired
-
1968
- 1968-02-09 AT AT124368A patent/AT284018B/de not_active IP Right Cessation
- 1968-02-14 FI FI680385A patent/FI47676C/fi active
- 1968-02-26 BE BE711290D patent/BE711290A/xx not_active Expired
- 1968-03-01 SE SE02686/68A patent/SE334129B/xx unknown
- 1968-03-01 NL NL6802984A patent/NL6802984A/xx unknown
- 1968-03-05 CH CH323368A patent/CH481279A/de not_active IP Right Cessation
- 1968-03-06 GB GB00912/68A patent/GB1222104A/en not_active Expired
- 1968-03-08 FR FR1555395D patent/FR1555395A/fr not_active Expired
- 1968-03-09 JP JP6815169A patent/JPS5345475B1/ja active Pending
- 1968-03-11 US US712189A patent/US3478647A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BE711290A (ru) | 1968-07-01 |
CH481279A (de) | 1969-11-15 |
FI47676C (fi) | 1974-02-11 |
FI47676B (ru) | 1973-10-31 |
DE1634915A1 (de) | 1970-10-29 |
GB1222104A (en) | 1971-02-10 |
AT284018B (de) | 1970-08-25 |
DE1634915B2 (de) | 1977-09-08 |
JPS5345475B1 (ru) | 1978-12-06 |
NL6802984A (ru) | 1968-09-11 |
DE1634915C3 (de) | 1981-02-12 |
FR1555395A (ru) | 1969-01-24 |
US3478647A (en) | 1969-11-18 |