JPH0421016B2 - - Google Patents
Info
- Publication number
- JPH0421016B2 JPH0421016B2 JP20764984A JP20764984A JPH0421016B2 JP H0421016 B2 JPH0421016 B2 JP H0421016B2 JP 20764984 A JP20764984 A JP 20764984A JP 20764984 A JP20764984 A JP 20764984A JP H0421016 B2 JPH0421016 B2 JP H0421016B2
- Authority
- JP
- Japan
- Prior art keywords
- pilot
- spool
- control
- hole
- tank
- 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 13
- 230000004043 responsiveness Effects 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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
-
- 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
- E02F9/2278—Hydraulic circuits
- E02F9/2285—Pilot-operated systems
-
- 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
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/0422—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with manually-operated pilot valves, e.g. joysticks
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20764984A JPS6187039A (ja) | 1984-10-03 | 1984-10-03 | 遠隔制御装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20764984A JPS6187039A (ja) | 1984-10-03 | 1984-10-03 | 遠隔制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6187039A JPS6187039A (ja) | 1986-05-02 |
JPH0421016B2 true JPH0421016B2 (enrdf_load_stackoverflow) | 1992-04-08 |
Family
ID=16543270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20764984A Granted JPS6187039A (ja) | 1984-10-03 | 1984-10-03 | 遠隔制御装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6187039A (enrdf_load_stackoverflow) |
-
1984
- 1984-10-03 JP JP20764984A patent/JPS6187039A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6187039A (ja) | 1986-05-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |