BE447172A - - Google Patents
Info
- Publication number
- BE447172A BE447172A BE447172DA BE447172A BE 447172 A BE447172 A BE 447172A BE 447172D A BE447172D A BE 447172DA BE 447172 A BE447172 A BE 447172A
- Authority
- BE
- Belgium
- Prior art keywords
- speed
- shaft
- true
- rotor
- extraction machine
- Prior art date
Links
- 238000000605 extraction Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 238000005065 mining Methods 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
- B66B1/08—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. handles or levers, in the cars or cages for direct control of movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
- B66B1/12—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. handles or levers, located at a control station for direct control movements, e.g. electric mining-hoist control systems
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Electric Motors In General (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE447172A true BE447172A (https=) |
Family
ID=103086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE447172D BE447172A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE447172A (https=) |
-
0
- BE BE447172D patent/BE447172A/fr unknown
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