FR578166A - Improvements made to electrical outlets for warning devices when crossing railway signals - Google Patents
Improvements made to electrical outlets for warning devices when crossing railway signalsInfo
- Publication number
- FR578166A FR578166A FR578166DA FR578166A FR 578166 A FR578166 A FR 578166A FR 578166D A FR578166D A FR 578166DA FR 578166 A FR578166 A FR 578166A
- Authority
- FR
- France
- Prior art keywords
- improvements made
- warning devices
- electrical outlets
- railway signals
- crossing railway
- 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
- B61L3/08—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 controlling electrically
- B61L3/10—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 controlling electrically using current passing between devices along the route and devices on the vehicle or train
- B61L3/103—Details of current transmitting conductors or contact brushes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR578166T | 1923-05-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR578166A true FR578166A (en) | 1924-09-19 |
Family
ID=8955207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR578166D Expired FR578166A (en) | 1923-05-01 | 1923-05-01 | Improvements made to electrical outlets for warning devices when crossing railway signals |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR578166A (en) |
-
1923
- 1923-05-01 FR FR578166D patent/FR578166A/en not_active Expired
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