Title:
減圧装置、防災機器、及び防災設備
Document Type and Number:
Japanese Patent JP7461644
Kind Code:
B2
Abstract:
To provide a decompression device which achieves excellent operability, and to provide a disaster prevention device and a disaster prevention system including the decompression device.SOLUTION: One decompression device 100 of the invention includes a gas passage which is opened or closed by a sliding valve body 20. The valve body 20 has: a first thick wall part 24 and a second thick wall part 26 in a manner that a thin wall part 25 is sandwiched between the first thick wall part 24 and the second thick wall part 26; and the thin wall part 25 which can contact with a supply side gas so that a gas pressure of the forementioned supply side gas is applied to the first thick wall part 24 and the second thick wall part 26 at least in a direction substantially parallel to a slide direction when the forementioned gas passage is closed by seal materials 66, 68 respectively included in the first thick wall part 24 and the second thick wall part 26. When the valve body 20 is open, the thin wall part 25 forms a part of the gas passage.SELECTED DRAWING: Figure 4
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Inventors:
Koji Nakazawa
Application Number:
JP2020105656A
Publication Date:
April 04, 2024
Filing Date:
June 18, 2020
Export Citation:
Assignee:
Hatsuda Manufacturing Co., Ltd.
International Classes:
F16K17/24; A62C35/68; F16K3/24; F16K31/122; F16K31/143
Domestic Patent References:
| JP2018185714A | ||||
| JP2013534602A | ||||
| JP2006522297A | ||||
| JP2016209436A | ||||
| JP2001254867A | ||||
| JP2002156061A | ||||
| JP2012063016A | ||||
| JP63199983A | ||||
| JP58163769U |
Foreign References:
| US20170114912 | ||||
| WO2012017667A1 | ||||
| US3426799 |
Attorney, Agent or Firm:
Hiroaki Kohno