Rail fracture detection device
US10946879B2 · kind B2 · utility
0Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2017 |
| Grant date | Mar 16, 2021 |
| Priority date | — |
| Expiry date | Sep 10, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61L25/026
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The rail fracture detection device detects a rail fracture in a section provided with the track circuit by determining presence or absence of a rail fracture and determining presence or absence of a train on a rail by using information on whether a relay of the track circuit is activated or deactivated and information on a current value of current flowing in the track circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.