FR770308A - Safety device, in particular for electric traction railway networks - Google Patents
Safety device, in particular for electric traction railway networksInfo
- Publication number
- FR770308A FR770308A FR770308DA FR770308A FR 770308 A FR770308 A FR 770308A FR 770308D A FR770308D A FR 770308DA FR 770308 A FR770308 A FR 770308A
- Authority
- FR
- France
- Prior art keywords
- safety device
- electric traction
- railway networks
- traction railway
- networks
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
- B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
- B61L3/14—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control to cut-off the power supply to traction motors of electrically-propelled vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE770308X | 1934-02-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR770308A true FR770308A (en) | 1934-09-12 |
Family
ID=6675061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR770308D Expired FR770308A (en) | 1934-02-08 | 1934-03-17 | Safety device, in particular for electric traction railway networks |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR770308A (en) |
-
1934
- 1934-03-17 FR FR770308D patent/FR770308A/en not_active Expired
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