Title:
COVER FOR VERTICAL HOLE AND MEASUREMENT SYSTEM INSIDE SEWER
Document Type and Number:
WIPO Patent Application WO/2021/048955
Kind Code:
A1
Abstract:
A cover (100) for a vertical hole is for covering the opening of a vertical hole connecting the ground surface and an underground sewer, and comprises a metal section (1) that has a front face (1a) on the ground surface side, a back face (1b) on the sewer side, and a storage section (3) allowing electric power transmitted by wireless power transmission from the ground surface side to reach the interior thereof. A power receiving antenna (5) for receiving the electric power is installed in the storage section (3). A sensor unit (9) that uses the electric power received by the power receiving antenna (5) as a drive source and that measures environmental information related to the environment inside the sewer is installed on the back face (1b) side.
Inventors:
SAKAKI HIROTO (JP)
ANDO NOBUHIKO (JP)
SAKAMOTO HIROAKI (JP)
YANAGI TAKASHI (JP)
KAWADA TAKUSHI (JP)
KIMBARA MORIHITO (JP)
NAKAMIZO HIDEYUKI (JP)
OTSUKA HIROSHI (JP)
ANDO NOBUHIKO (JP)
SAKAMOTO HIROAKI (JP)
YANAGI TAKASHI (JP)
KAWADA TAKUSHI (JP)
KIMBARA MORIHITO (JP)
NAKAMIZO HIDEYUKI (JP)
OTSUKA HIROSHI (JP)
Application Number:
PCT/JP2019/035742
Publication Date:
March 18, 2021
Filing Date:
September 11, 2019
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
E02D29/14
Foreign References:
| JP2016207872A | 2016-12-08 | |||
| JP2004253928A | 2004-09-09 | |||
| JP2016048979A | 2016-04-07 | |||
| JP2018199930A | 2018-12-20 | |||
| JPS6113360B2 | 1986-04-12 | |||
| JP2014182699A | 2014-09-29 | |||
| JP2015010403A | 2015-01-19 | |||
| JP2014117102A | 2014-06-26 | |||
| JP2013153635A | 2013-08-08 | |||
| US20170155191A1 | 2017-06-01 |
Attorney, Agent or Firm:
TAZAWA, Hideaki et al. (JP)
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