JPH049892B2 - - Google Patents
Info
- Publication number
- JPH049892B2 JPH049892B2 JP58137581A JP13758183A JPH049892B2 JP H049892 B2 JPH049892 B2 JP H049892B2 JP 58137581 A JP58137581 A JP 58137581A JP 13758183 A JP13758183 A JP 13758183A JP H049892 B2 JPH049892 B2 JP H049892B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valves
- pilot
- switching
- switching valve
- 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
- 230000007935 neutral effect Effects 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 2
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)
- Operation Control Of Excavators (AREA)
- Motor Power Transmission Devices (AREA)
- Fluid-Pressure Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58137581A JPS6030732A (ja) | 1983-07-29 | 1983-07-29 | 油圧シヨベルの油圧回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58137581A JPS6030732A (ja) | 1983-07-29 | 1983-07-29 | 油圧シヨベルの油圧回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6030732A JPS6030732A (ja) | 1985-02-16 |
| JPH049892B2 true JPH049892B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-02-21 |
Family
ID=15202060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58137581A Granted JPS6030732A (ja) | 1983-07-29 | 1983-07-29 | 油圧シヨベルの油圧回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6030732A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62160968A (ja) * | 1986-01-09 | 1987-07-16 | Yutani Juko Kk | 油圧駆動式作業車両の油圧回路 |
| KR100974283B1 (ko) * | 2008-08-08 | 2010-08-06 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 굴삭 및 파이프 레잉 작업을 위한 유량 분배 시스템 |
-
1983
- 1983-07-29 JP JP58137581A patent/JPS6030732A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6030732A (ja) | 1985-02-16 |