AT319991B - Weichenheizung - Google Patents
WeichenheizungInfo
- Publication number
- AT319991B AT319991B AT198873A AT198873A AT319991B AT 319991 B AT319991 B AT 319991B AT 198873 A AT198873 A AT 198873A AT 198873 A AT198873 A AT 198873A AT 319991 B AT319991 B AT 319991B
- Authority
- AT
- Austria
- Prior art keywords
- point heating
- heating
- point
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B7/00—Switches; Crossings
- E01B7/24—Heating of switches
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Railway Tracks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722215554 DE2215554C3 (de) | 1972-03-30 | Elektrische Weichenheizung |
Publications (1)
Publication Number | Publication Date |
---|---|
AT319991B true AT319991B (de) | 1975-01-27 |
Family
ID=5840634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT198873A AT319991B (de) | 1972-03-30 | 1973-03-07 | Weichenheizung |
Country Status (3)
Country | Link |
---|---|
AT (1) | AT319991B (de) |
CH (1) | CH548485A (de) |
SE (1) | SE384059B (de) |
-
1973
- 1973-03-05 CH CH317573A patent/CH548485A/de not_active IP Right Cessation
- 1973-03-06 SE SE7303078A patent/SE384059B/xx unknown
- 1973-03-07 AT AT198873A patent/AT319991B/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE384059B (sv) | 1976-04-12 |
DE2215554A1 (de) | 1973-10-04 |
CH548485A (de) | 1974-04-30 |
DE2215554B2 (de) | 1975-10-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |