Apparatus and method for detection of railroad wheel and bearing temperature
US6872945B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 8, 2002 |
| Grant date | Mar 29, 2005 |
| Priority date | — |
| Expiry date | Jun 11, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J5/0022
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus and method is provided for detecting a temperature range or a temperature of a railroad train wheel or bearing wherein infrared radiation radiating from the wheel or bearing of a train traversing a railroad track is indicative of a temperature range of the wheel or bearing. The apparatus comprises a sensor for sensing infrared radiation radiating from the wheel or bearing within two or more infrared wavelength ranges. The sensor generates signals indicative of the sensed infrared radiation in each of the wavelength ranges. A processor determines a temperature range or a temperature of the wheel or bearing from the generated signals. The method detects a temperature range of a railroad train wheel or bearing wherein infrared radiation radiating from the wheel or bearing of a train traversing a railroad track is indicative of the temperature range of the wheel or bearing. The method includes sensing infrared radiation radiating from the wheel or bearing within two or more wavelength ranges of the infrared radiation. Signals are generated that are indicative of the sensed infrared radiation in each infrared wavelength range. A temperature range or a temperature of the whe…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.