Title:
レール検査装置、および、レール検査システム
Document Type and Number:
Japanese Patent JP6506122
Kind Code:
B2
Abstract:
The present invention addresses the problem of checkting defects of a rail for a vehicle with a high SN ratio. A detction device (2) for generating check data related to the defects of a railway rail RR (rail for a vehicle) is provided with an oscillating coil 1 (211) and an oscillating coil 2 (211) that are disposed on the surface opposite the railway rail RR and generate AC magnetic fields whose directions are opposite to each other, and a receiving coil (212) that is positioned between or in the vicinity the oscillation coils and that outputs a magnetic field waveform based on the magnetic fields received from the oscillating coils as the check data.
Inventors:
Ryuzo Kawabata
Akihiko Kadori
Rei Shizawa
Kenji Yamamoto
Hiroyuki Kanda
Akihiko Kadori
Rei Shizawa
Kenji Yamamoto
Hiroyuki Kanda
Application Number:
JP2015137823A
Publication Date:
April 24, 2019
Filing Date:
July 09, 2015
Export Citation:
Assignee:
Hitachi High-Technologies Corporation
International Classes:
G01N27/83
Domestic Patent References:
| JP2014102197A | ||||
| JP2003270214A | ||||
| JP2014044151A | ||||
| JP8101168A | ||||
| JP2003050234A | ||||
| JP2006220526A | ||||
| JP2004279372A | ||||
| JP2013185951A | ||||
| JP2004279055A | ||||
| JP2001108659A |
Foreign References:
| WO2013024858A1 | ||||
| US20140191751 |
Attorney, Agent or Firm:
Isono International Patent and Trademark Office