FR22937E - Advanced electro-self-propelled whistle for repeating signals on the locomotive - Google Patents
Advanced electro-self-propelled whistle for repeating signals on the locomotiveInfo
- Publication number
- FR22937E FR22937E FR22937A FR22937DA FR22937E FR 22937 E FR22937 E FR 22937E FR 22937 A FR22937 A FR 22937A FR 22937D A FR22937D A FR 22937DA FR 22937 E FR22937 E FR 22937E
- Authority
- FR
- France
- Prior art keywords
- whistle
- locomotive
- propelled
- self
- repeating signals
- 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
- 230000003137 locomotive effect Effects 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0094—Recorders on the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR22937T | 1919-12-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR22937E true FR22937E (en) | 1921-09-06 |
Family
ID=8661737
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR22937A Expired FR22937E (en) | 1919-12-13 | 1919-12-13 | Advanced electro-self-propelled whistle for repeating signals on the locomotive |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR22937E (en) |
-
1919
- 1919-12-13 FR FR22937A patent/FR22937E/en not_active Expired
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