JPH0143162B2 - - Google Patents
Info
- Publication number
- JPH0143162B2 JPH0143162B2 JP56215835A JP21583581A JPH0143162B2 JP H0143162 B2 JPH0143162 B2 JP H0143162B2 JP 56215835 A JP56215835 A JP 56215835A JP 21583581 A JP21583581 A JP 21583581A JP H0143162 B2 JPH0143162 B2 JP H0143162B2
- Authority
- JP
- Japan
- Prior art keywords
- port
- pressure
- oil
- control valve
- pressure control
- 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
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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)
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56215835A JPS58118306A (ja) | 1981-12-28 | 1981-12-28 | 油圧回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56215835A JPS58118306A (ja) | 1981-12-28 | 1981-12-28 | 油圧回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58118306A JPS58118306A (ja) | 1983-07-14 |
JPH0143162B2 true JPH0143162B2 (US06653308-20031125-C00197.png) | 1989-09-19 |
Family
ID=16679048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56215835A Granted JPS58118306A (ja) | 1981-12-28 | 1981-12-28 | 油圧回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58118306A (US06653308-20031125-C00197.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0479164U (US06653308-20031125-C00197.png) * | 1990-11-22 | 1992-07-09 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0750426Y2 (ja) * | 1988-08-31 | 1995-11-15 | 油谷重工株式会社 | 建設機械の油圧回路 |
JP3681833B2 (ja) * | 1996-09-19 | 2005-08-10 | ヤンマー株式会社 | 掘削旋回作業機の油圧回路 |
JP4907231B2 (ja) * | 2006-06-06 | 2012-03-28 | カヤバ工業株式会社 | エネルギー回生型動力装置 |
JP6290644B2 (ja) * | 2014-02-07 | 2018-03-07 | ナブテスコ株式会社 | 油圧駆動装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55103104A (en) * | 1979-02-03 | 1980-08-07 | Kobe Steel Ltd | Hydraulic circuit for hydraulic vehicle |
JPS56160405A (en) * | 1980-05-15 | 1981-12-10 | Daikin Ind Ltd | Fluid circuit |
JPS56164206A (en) * | 1980-05-02 | 1981-12-17 | Bosch Gmbh Robert | Hydraulic apparatus with two pumps |
-
1981
- 1981-12-28 JP JP56215835A patent/JPS58118306A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55103104A (en) * | 1979-02-03 | 1980-08-07 | Kobe Steel Ltd | Hydraulic circuit for hydraulic vehicle |
JPS56164206A (en) * | 1980-05-02 | 1981-12-17 | Bosch Gmbh Robert | Hydraulic apparatus with two pumps |
JPS56160405A (en) * | 1980-05-15 | 1981-12-10 | Daikin Ind Ltd | Fluid circuit |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0479164U (US06653308-20031125-C00197.png) * | 1990-11-22 | 1992-07-09 |
Also Published As
Publication number | Publication date |
---|---|
JPS58118306A (ja) | 1983-07-14 |
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