JPH0410534B2 - - Google Patents
Info
- Publication number
- JPH0410534B2 JPH0410534B2 JP58137583A JP13758383A JPH0410534B2 JP H0410534 B2 JPH0410534 B2 JP H0410534B2 JP 58137583 A JP58137583 A JP 58137583A JP 13758383 A JP13758383 A JP 13758383A JP H0410534 B2 JPH0410534 B2 JP H0410534B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valves
- switching
- switching valve
- logic
- 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 9
- 238000000034 method Methods 0.000 description 2
- 238000011144 upstream manufacturing 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)
- Fluid-Pressure Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58137583A JPS6030734A (ja) | 1983-07-29 | 1983-07-29 | 油圧ショベルの油圧回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58137583A JPS6030734A (ja) | 1983-07-29 | 1983-07-29 | 油圧ショベルの油圧回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6030734A JPS6030734A (ja) | 1985-02-16 |
| JPH0410534B2 true JPH0410534B2 (US08066781-20111129-C00013.png) | 1992-02-25 |
Family
ID=15202104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58137583A Granted JPS6030734A (ja) | 1983-07-29 | 1983-07-29 | 油圧ショベルの油圧回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6030734A (US08066781-20111129-C00013.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4541209B2 (ja) * | 2005-03-31 | 2010-09-08 | ナブテスコ株式会社 | 油圧回路 |
| JP5572827B2 (ja) * | 2011-01-17 | 2014-08-20 | 日立建機株式会社 | 作業機械の油圧回路システム |
-
1983
- 1983-07-29 JP JP58137583A patent/JPS6030734A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6030734A (ja) | 1985-02-16 |
