Title:
負圧波発生装置
Document Type and Number:
Japanese Patent JP6742927
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a negative pressure wave generator which can effectively reduce a micro barometric wave.SOLUTION: A negative pressure wave generator 1 reduces the pressure of a micro barometric wave radiated from a mine mouth 21 of a tunnel 2 by means of a negative pressure wave, and includes a vacuum container 11 which is arranged in the vicinity of the mine mouth 21 and adjacent to a rail 31 on which a train 3 travels or between a plurality of laid rails 31 and which can be brought into a vacuum state inside thereof, and a first opening 12 provided in a side of a generation source Cof the micro barometric wave in the vacuum container 11, and a valve body 13 which can open and close the first opening 12.SELECTED DRAWING: Figure 1
Inventors:
Yoshiko Takei
Toshifumi Kudo
Kenta Yamamoto
Nobuyuki Kimura
Takashi Goto
Tatsuya Yamamoto
Toshifumi Kudo
Kenta Yamamoto
Nobuyuki Kimura
Takashi Goto
Tatsuya Yamamoto
Application Number:
JP2017007013A
Publication Date:
August 19, 2020
Filing Date:
January 18, 2017
Export Citation:
Assignee:
Mitsubishi Heavy Industries Machinery Systems Co., Ltd.
East Japan Railway Company
East Japan Railway Company
International Classes:
E01F8/00; E21F17/00
Domestic Patent References:
| JP5209405A | ||||
| JP8240099A | ||||
| JP4182502A | ||||
| JP5059900A |
Foreign References:
| WO2009057852A1 |
Attorney, Agent or Firm:
Noriharu Fujita
Miori Takao
Kawakami Miki
Daisuke Nagata
Miori Takao
Kawakami Miki
Daisuke Nagata