JPH0374292B2 - - Google Patents
Info
- Publication number
- JPH0374292B2 JPH0374292B2 JP60230594A JP23059485A JPH0374292B2 JP H0374292 B2 JPH0374292 B2 JP H0374292B2 JP 60230594 A JP60230594 A JP 60230594A JP 23059485 A JP23059485 A JP 23059485A JP H0374292 B2 JPH0374292 B2 JP H0374292B2
- Authority
- JP
- Japan
- Prior art keywords
- switching valve
- operating
- oil
- oil passage
- hydraulic pump
- 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
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23059485A JPS62107124A (ja) | 1985-10-15 | 1985-10-15 | 建設機械の油圧回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23059485A JPS62107124A (ja) | 1985-10-15 | 1985-10-15 | 建設機械の油圧回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62107124A JPS62107124A (ja) | 1987-05-18 |
| JPH0374292B2 true JPH0374292B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-11-26 |
Family
ID=16910184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23059485A Granted JPS62107124A (ja) | 1985-10-15 | 1985-10-15 | 建設機械の油圧回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62107124A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0649632Y2 (ja) * | 1987-06-10 | 1994-12-14 | 油谷重工株式会社 | 油圧ショベルの油圧回路 |
| JP2504571Y2 (ja) * | 1988-03-24 | 1996-07-10 | 油谷重工株式会社 | 油圧ショベルの油圧回路 |
| JP2504572Y2 (ja) * | 1988-04-11 | 1996-07-10 | 油谷重工株式会社 | 油圧ショベルの油圧回路 |
| JPH0649633Y2 (ja) * | 1988-06-07 | 1994-12-14 | 油谷重工株式会社 | 油圧ショベルの油圧回路 |
| US5083428A (en) * | 1988-06-17 | 1992-01-28 | Kabushiki Kaisha Kobe Seiko Sho | Fluid control system for power shovel |
| AU720849B2 (en) * | 1996-03-28 | 2000-06-15 | Clark Equipment Company | Multifunction valve stack |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0121052Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1981-06-10 | 1989-06-23 | ||
| JPS604654U (ja) * | 1983-06-23 | 1985-01-14 | 株式会社小松製作所 | パワ−シヨベルの油圧回路装置 |
-
1985
- 1985-10-15 JP JP23059485A patent/JPS62107124A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62107124A (ja) | 1987-05-18 |