JPS6365776B2 - - Google Patents
Info
- Publication number
- JPS6365776B2 JPS6365776B2 JP55133453A JP13345380A JPS6365776B2 JP S6365776 B2 JPS6365776 B2 JP S6365776B2 JP 55133453 A JP55133453 A JP 55133453A JP 13345380 A JP13345380 A JP 13345380A JP S6365776 B2 JPS6365776 B2 JP S6365776B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- valve
- fluid
- flow rate
- variable 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
Links
- 239000012530 fluid Substances 0.000 claims description 41
- 238000010276 construction Methods 0.000 claims description 7
- 238000009412 basement excavation Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002699 waste material Substances 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
- E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
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 |
|---|---|---|---|
| JP55133453A JPS5758736A (en) | 1980-09-24 | 1980-09-24 | Construction machinery such as power shovel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55133453A JPS5758736A (en) | 1980-09-24 | 1980-09-24 | Construction machinery such as power shovel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5758736A JPS5758736A (en) | 1982-04-08 |
| JPS6365776B2 true JPS6365776B2 (sv) | 1988-12-16 |
Family
ID=15105129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55133453A Granted JPS5758736A (en) | 1980-09-24 | 1980-09-24 | Construction machinery such as power shovel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5758736A (sv) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59213889A (ja) * | 1983-05-18 | 1984-12-03 | 新明和工業株式会社 | ア−スオ−ガ車の安全装置 |
| DE69938287T2 (de) | 1999-01-08 | 2009-04-30 | Lg Electronics Inc. | Rotoranordnung für einen bürstenlosen Motor der Aussenläuferbauart |
-
1980
- 1980-09-24 JP JP55133453A patent/JPS5758736A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5758736A (en) | 1982-04-08 |
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