DE258284C - - Google Patents
Info
- Publication number
- DE258284C DE258284C DENDAT258284D DE258284DA DE258284C DE 258284 C DE258284 C DE 258284C DE NDAT258284 D DENDAT258284 D DE NDAT258284D DE 258284D A DE258284D A DE 258284DA DE 258284 C DE258284 C DE 258284C
- Authority
- DE
- Germany
- Prior art keywords
- mercury
- contact
- circuit
- monitoring
- line
- 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.)
- Active
Links
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 19
- 229910052753 mercury Inorganic materials 0.000 claims description 19
- 238000012544 monitoring process Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 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
- B61L1/02—Electric devices associated with track, e.g. rail contacts
- B61L1/04—Electric devices associated with track, e.g. rail contacts mechanically actuated by a part of the vehicle
- B61L1/045—Electric devices associated with track, e.g. rail contacts mechanically actuated by a part of the vehicle actuated by fluid-pressure
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE258284C true DE258284C (en:Method) |
Family
ID=516126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT258284D Active DE258284C (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE258284C (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5331845A (en) * | 1993-01-19 | 1994-07-26 | Orbishpere Laboratories Neuchatel Sa | Probe and method for detecting alcohol |
-
0
- DE DENDAT258284D patent/DE258284C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5331845A (en) * | 1993-01-19 | 1994-07-26 | Orbishpere Laboratories Neuchatel Sa | Probe and method for detecting alcohol |
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