JPS6151701B2 - - Google Patents
Info
- Publication number
- JPS6151701B2 JPS6151701B2 JP56019067A JP1906781A JPS6151701B2 JP S6151701 B2 JPS6151701 B2 JP S6151701B2 JP 56019067 A JP56019067 A JP 56019067A JP 1906781 A JP1906781 A JP 1906781A JP S6151701 B2 JPS6151701 B2 JP S6151701B2
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- valve
- pressure
- motor
- servo
- Prior art date
- 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
- 230000007246 mechanism Effects 0.000 claims description 26
- 230000007935 neutral effect Effects 0.000 claims description 20
- 238000006073 displacement reaction Methods 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000003921 oil Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/4157—Control of braking, e.g. preventing pump over-speeding when motor acts as a pump
-
- 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
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
- E02F9/12—Slewing or traversing gears
- E02F9/121—Turntables, i.e. structure rotatable about 360°
- E02F9/123—Drives or control devices specially adapted therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/46—Automatic regulation in accordance with output requirements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Control Of Fluid Gearings (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1906781A JPS57134064A (en) | 1981-02-13 | 1981-02-13 | Controller for hydraulic system |
EP19810110687 EP0056865B1 (en) | 1980-12-27 | 1981-12-22 | Hydraulic power system |
DE8181110687T DE3171629D1 (en) | 1980-12-27 | 1981-12-22 | Hydraulic power system |
US06/333,555 US4571941A (en) | 1980-12-27 | 1981-12-22 | Hydraulic power system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1906781A JPS57134064A (en) | 1981-02-13 | 1981-02-13 | Controller for hydraulic system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57134064A JPS57134064A (en) | 1982-08-19 |
JPS6151701B2 true JPS6151701B2 (US20090177143A1-20090709-C00008.png) | 1986-11-10 |
Family
ID=11989078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1906781A Granted JPS57134064A (en) | 1980-12-27 | 1981-02-13 | Controller for hydraulic system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57134064A (US20090177143A1-20090709-C00008.png) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0603421B1 (en) * | 1992-07-14 | 1999-11-10 | Hitachi Construction Machinery Co., Ltd. | Inertial body driving unit |
KR960023541A (ko) * | 1994-12-08 | 1996-07-20 | 안자키 사토루 | 유압 액츄에이터의 반전방지장치 |
US5938224A (en) * | 1996-04-08 | 1999-08-17 | Brackett; Douglas C. | Hydraulic bicycle with conjugate drive motors and variable stroke crankshaft |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5016231A (US20090177143A1-20090709-C00008.png) * | 1973-06-20 | 1975-02-20 |
-
1981
- 1981-02-13 JP JP1906781A patent/JPS57134064A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5016231A (US20090177143A1-20090709-C00008.png) * | 1973-06-20 | 1975-02-20 |
Also Published As
Publication number | Publication date |
---|---|
JPS57134064A (en) | 1982-08-19 |