GB996099A - Improvements in railway signalling devices - Google Patents
Improvements in railway signalling devicesInfo
- Publication number
- GB996099A GB996099A GB1717763A GB1717763A GB996099A GB 996099 A GB996099 A GB 996099A GB 1717763 A GB1717763 A GB 1717763A GB 1717763 A GB1717763 A GB 1717763A GB 996099 A GB996099 A GB 996099A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relay
- coil
- entry
- rails
- train
- 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
- 230000011664 signaling Effects 0.000 title 1
- 238000010276 construction Methods 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/18—Railway track circuits
- B61L1/181—Details
- B61L1/188—Use of coded current
-
- 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
- B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
- B61L23/14—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only automatically operated
- B61L23/16—Track circuits specially adapted for section blocking
- B61L23/168—Track circuits specially adapted for section blocking using coded current
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
996,099. Track circuit. FORGES ET ATELIERS DE CONSTRUCTION ELECTRIQUES DE JEUMONT. May 1, 1963 [May 4, 1962], No. 17177/63. Heading B7N. An A.C. track circuit, including an insulated track section 2, for use where a signal governing entry to the section must be positioned beyond the entry point and would, with a normal track circuit, change to stop before being passed by an entering train, comprises a relay 15, of the type described in Specification 852,386 and a second relay 25 which is supplied via a front contact 27 of relay 15 and rectifier 28 with energy picked up by coil 8B and via its own front contact 23 and rectifier 22 with energy picked up by a coil 20 coupled to the rails. Entry of a train into the section releases relay 15 but relay 25 is maintained energized by the energy induced in coil 20 until the train has passed the point where the coil is coupled to the rails. Relay 25 controls the operation of the entry signal. In a second arrangement, Fig. 2 (not shown), coil 20 is replaced by direct connections to the rails.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR896407A FR1332586A (en) | 1962-05-04 | 1962-05-04 | Localized railway signaling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB996099A true GB996099A (en) | 1965-06-23 |
Family
ID=8778171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1717763A Expired GB996099A (en) | 1962-05-04 | 1963-05-01 | Improvements in railway signalling devices |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH402930A (en) |
| DE (1) | DE1215742B (en) |
| FR (1) | FR1332586A (en) |
| GB (1) | GB996099A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2591980B1 (en) * | 1985-12-23 | 1988-02-12 | Jeumont Schneider | DEVICE FOR EXTRACTING THE PULSE SIGNAL AMONG INTERFERED SIGNALS IN A RECEIVER OF A RAILWAY CIRCUIT |
-
1962
- 1962-05-04 FR FR896407A patent/FR1332586A/en not_active Expired
-
1963
- 1963-03-14 CH CH321863A patent/CH402930A/en unknown
- 1963-04-04 DE DEF39403A patent/DE1215742B/en active Granted
- 1963-05-01 GB GB1717763A patent/GB996099A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH402930A (en) | 1965-11-30 |
| FR1332586A (en) | 1963-07-19 |
| DE1215742C2 (en) | 1966-11-17 |
| DE1215742B (en) | 1966-05-05 |
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