Heating system
US8598493B2 · kind B2 · utility
0Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 2008 |
| Grant date | Dec 3, 2013 |
| Priority date | — |
| Expiry date | Mar 2, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01B7/24
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention relates to a heating system (190) for a switch (4) of a trackway (3) and comprising applicable electrically operating heater elements (2; 100; 103; 300). Said electrical heater elements (2; 100; 103) are arranged selectably connectable to a branch network (104) of electric connections extending along the switch (4) in question and intended for the connection of a desired number of heating plates (2) for the track railbase (23), friction-plate heaters (100) as well as supporting cleat heaters (103) to a relevant supply bar (110) for current extending along the length (L) of the switch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.