GB430372A - Improvements relating to track circuit signalling systems for railways and the like - Google Patents
Improvements relating to track circuit signalling systems for railways and the likeInfo
- Publication number
- GB430372A GB430372A GB845334A GB845334A GB430372A GB 430372 A GB430372 A GB 430372A GB 845334 A GB845334 A GB 845334A GB 845334 A GB845334 A GB 845334A GB 430372 A GB430372 A GB 430372A
- Authority
- GB
- United Kingdom
- Prior art keywords
- unbalanced
- track
- relay
- bond
- voltage
- 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 abstract 2
- 230000003472 neutralizing effect Effects 0.000 abstract 4
- 238000004804 winding Methods 0.000 abstract 2
- 230000009699 differential effect Effects 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
- B61L1/187—Use of alternating current
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
430,372. Track-relay signalling systems. PETER, L. H., and WESTINGHOUSE BRAKE & SAXBY SIGNAL CO., Ltd., 82, York Road, King's Cross, London. March 17, 1934, No. 8453. [Class 105] Operation of the track relay by an inter-rail voltage arising from any ripple component in unbalanced return traction current in the two rails is prevented by providing in the connection to the track relay a neutralizing voltage derived from the unbalanced return traction current Where the unbalanced state is constant the neutralizing voltage may be provided by an inductor placed near the power rail or one of the track rails or around one of the connections to the usual inductance bond at the end of the section. Fig. 6 shows an arrangement in which each rail connection 19, 20 of the bond 5 is surrounded by an inductor 17, 18 so that whatever the state of unbalance of the traction current the correct neutralizing voltage in the line to the relay winding 9 is provided by the windings 21, 22. Fig. 7 shows an arrangement in which the neutralizing voltage is provided by a single inductor 25 energized by the differential effect of the unbalanced traction currents in the two connections 19, 20 to the bond 5. Tuning condensers may be fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB845334A GB430372A (en) | 1934-03-17 | 1934-03-17 | Improvements relating to track circuit signalling systems for railways and the like |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB845334A GB430372A (en) | 1934-03-17 | 1934-03-17 | Improvements relating to track circuit signalling systems for railways and the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB430372A true GB430372A (en) | 1935-06-18 |
Family
ID=9852776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB845334A Expired GB430372A (en) | 1934-03-17 | 1934-03-17 | Improvements relating to track circuit signalling systems for railways and the like |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB430372A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2152161A (en) * | 1983-12-29 | 1985-07-31 | Brunswick Corp | Marine drive expanding clutch |
| CN105857117A (en) * | 2016-04-01 | 2016-08-17 | 中铁电气化勘测设计研究院有限公司 | Novel rail yard return cable and steel rail wiring method based on non-track circuit mode |
-
1934
- 1934-03-17 GB GB845334A patent/GB430372A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2152161A (en) * | 1983-12-29 | 1985-07-31 | Brunswick Corp | Marine drive expanding clutch |
| CN105857117A (en) * | 2016-04-01 | 2016-08-17 | 中铁电气化勘测设计研究院有限公司 | Novel rail yard return cable and steel rail wiring method based on non-track circuit mode |
| CN105857117B (en) * | 2016-04-01 | 2017-12-12 | 天津中铁电气化设计研究院有限公司 | Rolling stock section's return cable and rail wiring new method based on non-track circuit pattern |
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