FR2022681A1 - - Google Patents
Info
- Publication number
- FR2022681A1 FR2022681A1 FR6937730A FR6937730A FR2022681A1 FR 2022681 A1 FR2022681 A1 FR 2022681A1 FR 6937730 A FR6937730 A FR 6937730A FR 6937730 A FR6937730 A FR 6937730A FR 2022681 A1 FR2022681 A1 FR 2022681A1
- Authority
- FR
- France
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
- F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
- F15B9/03—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type with electrical control means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
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- 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
- E02F9/2004—Control mechanisms, e.g. control levers
- E02F9/2008—Control mechanisms in the form of the machine in the reduced scale model
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/03—Cranes with arms or jibs; Multiple cranes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Operation Control Of Excavators (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19681807174 DE1807174A1 (en) | 1968-11-06 | 1968-11-06 | Electro-hydraulic model-controlled device |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2022681A1 true FR2022681A1 (en) | 1970-08-07 |
Family
ID=5712469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6937730A Withdrawn FR2022681A1 (en) | 1968-11-06 | 1969-11-03 |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1807174A1 (en) |
FR (1) | FR2022681A1 (en) |
GB (1) | GB1275814A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2328082A1 (en) * | 1975-10-15 | 1977-05-13 | Hokushin Electric Works | PERFECTED CONTROL SYSTEM FOR EXTRACTION MACHINES, SUCH AS FOR EXAMPLE MECHANICAL SHOVELS |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108396809A (en) * | 2018-04-08 | 2018-08-14 | 梅瑞 | A kind of excavator simple, intuitive control operating system |
CN112031063A (en) * | 2020-09-10 | 2020-12-04 | 上海三一重机股份有限公司 | Remote control system and method for excavator |
-
1968
- 1968-11-06 DE DE19681807174 patent/DE1807174A1/en active Pending
-
1969
- 1969-11-03 FR FR6937730A patent/FR2022681A1/fr not_active Withdrawn
- 1969-11-05 GB GB5410969A patent/GB1275814A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2328082A1 (en) * | 1975-10-15 | 1977-05-13 | Hokushin Electric Works | PERFECTED CONTROL SYSTEM FOR EXTRACTION MACHINES, SUCH AS FOR EXAMPLE MECHANICAL SHOVELS |
Also Published As
Publication number | Publication date |
---|---|
DE1807174A1 (en) | 1970-06-11 |
GB1275814A (en) | 1972-05-24 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |