JPS5758736A - Construction machinery such as power shovel - Google Patents
Construction machinery such as power shovelInfo
- Publication number
- JPS5758736A JPS5758736A JP55133453A JP13345380A JPS5758736A JP S5758736 A JPS5758736 A JP S5758736A JP 55133453 A JP55133453 A JP 55133453A JP 13345380 A JP13345380 A JP 13345380A JP S5758736 A JPS5758736 A JP S5758736A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- pressure
- compensatory
- motor
- oil
- 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.)
- Granted
Links
- 238000010276 construction Methods 0.000 title 1
- 230000001447 compensatory effect Effects 0.000 abstract 5
- 239000012530 fluid Substances 0.000 abstract 3
- 230000006837 decompression Effects 0.000 abstract 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 true JPS5758736A (en) | 1982-04-08 |
| JPS6365776B2 JPS6365776B2 (enrdf_load_stackoverflow) | 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 (enrdf_load_stackoverflow) |
Cited By (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 |
| USRE39416E1 (en) | 1999-01-08 | 2006-12-05 | Lg Electronics Inc. | Structure of rotor for outer rotor type brushless motor |
-
1980
- 1980-09-24 JP JP55133453A patent/JPS5758736A/ja active Granted
Cited By (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 |
| USRE39416E1 (en) | 1999-01-08 | 2006-12-05 | Lg Electronics Inc. | Structure of rotor for outer rotor type brushless motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6365776B2 (enrdf_load_stackoverflow) | 1988-12-16 |
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