Dynamic track stiffness measurement system and method
US6405141B1 · kind B1 · utility
45Cited by
23References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2000 |
| Grant date | Jun 11, 2002 |
| Priority date | — |
| Expiry date | Mar 2, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B21/30
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method and apparatus for dynamically measuring a railroad track condition using a railroad truck with metal track engaging wheels as a reference platform from which a line of sight reference plane spaced from the track is created. Measurements are successively taken between the track and the reference plane as the railroad truck moves along the track.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.