JPS6238499B2 - - Google Patents
Info
- Publication number
- JPS6238499B2 JPS6238499B2 JP55068944A JP6894480A JPS6238499B2 JP S6238499 B2 JPS6238499 B2 JP S6238499B2 JP 55068944 A JP55068944 A JP 55068944A JP 6894480 A JP6894480 A JP 6894480A JP S6238499 B2 JPS6238499 B2 JP S6238499B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure oil
- arm
- circuit
- pump
- hydraulic
- 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
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 98
- 238000010586 diagram Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 239000004576 sand Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 1
- 238000007665 sagging 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6894480A JPS56167035A (en) | 1980-05-26 | 1980-05-26 | Hydraulic circuit for hydraulic power shovel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6894480A JPS56167035A (en) | 1980-05-26 | 1980-05-26 | Hydraulic circuit for hydraulic power shovel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56167035A JPS56167035A (en) | 1981-12-22 |
| JPS6238499B2 true JPS6238499B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-08-18 |
Family
ID=13388278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6894480A Granted JPS56167035A (en) | 1980-05-26 | 1980-05-26 | Hydraulic circuit for hydraulic power shovel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56167035A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58137104U (ja) * | 1982-03-10 | 1983-09-14 | 東芝機械株式会社 | 複合制御弁 |
| JP7332383B2 (ja) * | 2019-07-31 | 2023-08-23 | ナブテスコ株式会社 | 流体制御弁、流体システムおよび建設機械 |
-
1980
- 1980-05-26 JP JP6894480A patent/JPS56167035A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56167035A (en) | 1981-12-22 |