The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 11, 2023
Filed:
Oct. 26, 2018
Hitachi Rail Limited, London, GB;
David Vincent, Romsey, GB;
Guy Rushton, Romsey, GB;
Renfan Luo, Romsey, GB;
Adam Wasenczuk, Romsey, GB;
Marc Thomas, Romsey, GB;
Matt Jones, Romsey, GB;
HITACHI RAIL LIMITED, London, GB;
Abstract
Apparatus for monitoring an axle of a wheelset assembly of a railway vehicle, the apparatus comprising a wireless sensor node fitted to a wheelset assembly, the wheelset assembly comprising an axle mounted between opposed wheels, each wheel being fitted to a respective opposite end of the axle, the wireless sensor node comprising a vibration energy harvester for converting mechanical energy from vibration in the wheelset assembly into electrical energy, a sensor for measuring a parameter, and a wireless transmitter for wirelessly transmitting the measured parameter or data associated therewith, and the apparatus further comprising a processor for processing the measured parameter to produce processed data, wherein the sensor is an accelerometer mounted to an end of the axle and the sensor and processor are arranged respectively to measure and process an axle percussion vibration frequency in the form of resonant vibration along the axle.