Title:
消火栓装置
Document Type and Number:
Japanese Patent JP7162686
Kind Code:
B2
Abstract:
To provide a bubble fire hydrant device that makes it possible to easily finish an operation test without performing road lane regulation or the like as compared with the case of performing an operation test in an upper space of a tunnel.SOLUTION: A fire hydrant device 1 is to be installed in a tunnel having a space partitioned into an upper space and a lower space, the fire hydrant device comprising: a sprinkling unit 2 to be installed in the upper space; a bubble generation unit 3 that is to be installed in the lower space and includes a fire-extinguishing agent tank 30 that stores a fire-extinguishing agent, a mixer 31 for mixing the fire-extinguishing agent and fire-extinguishing water, and a maintenance valve for performing an operation test on the fire hydrant device 1; a fire hydrant valve 32b that is provided on the primary side of the mixer 31 to stop inflow of fire-extinguishing water; and a check valve 12 provided on the secondary side of the mixer 31. The maintenance valve is provided on the secondary side of the mixer 31 and in the vicinity of the check valve 12. The sprinkling unit 2 is connected with the bubble generation unit 3 via a connection hose 10.SELECTED DRAWING: Figure 5
Inventors:
Hiroki Nishimura
Naoki Kurimoto
Naoki Kurimoto
Application Number:
JP2021016756A
Publication Date:
October 28, 2022
Filing Date:
February 04, 2021
Export Citation:
Assignee:
Nomi Disaster Prevention Co., Ltd.
International Classes:
A62C35/20; A62C5/02
Domestic Patent References:
| JP2017035440A | ||||
| JP2014079407A | ||||
| JP2010136947A | ||||
| JP60096269A | ||||
| JP5123412A | ||||
| JP58011228B2 |
Foreign References:
| DE20208925U1 |
Attorney, Agent or Firm:
Saiun International Patent Service Corporation
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