JPH047412B2 - - Google Patents
Info
- Publication number
- JPH047412B2 JPH047412B2 JP59057405A JP5740584A JPH047412B2 JP H047412 B2 JPH047412 B2 JP H047412B2 JP 59057405 A JP59057405 A JP 59057405A JP 5740584 A JP5740584 A JP 5740584A JP H047412 B2 JPH047412 B2 JP H047412B2
- Authority
- JP
- Japan
- Prior art keywords
- directional
- switching valve
- valve
- hydraulic
- valves
- 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 - Lifetime
Links
- 238000010276 construction Methods 0.000 claims description 7
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 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
- E02F9/2278—Hydraulic circuits
- E02F9/2292—Systems with two or more pumps
-
- 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
- E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59057405A JPS60203743A (ja) | 1984-03-27 | 1984-03-27 | 油圧シヨベル等建設機械の油圧回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59057405A JPS60203743A (ja) | 1984-03-27 | 1984-03-27 | 油圧シヨベル等建設機械の油圧回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60203743A JPS60203743A (ja) | 1985-10-15 |
| JPH047412B2 true JPH047412B2 (US20020051482A1-20020502-M00012.png) | 1992-02-10 |
Family
ID=13054726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59057405A Granted JPS60203743A (ja) | 1984-03-27 | 1984-03-27 | 油圧シヨベル等建設機械の油圧回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60203743A (US20020051482A1-20020502-M00012.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6389403U (US20020051482A1-20020502-M00012.png) * | 1986-12-02 | 1988-06-10 |
-
1984
- 1984-03-27 JP JP59057405A patent/JPS60203743A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60203743A (ja) | 1985-10-15 |
