Title:
病院の消火システム
Document Type and Number:
Japanese Patent JP7475938
Kind Code:
B2
Abstract:
To provide a hospital fire extinguishing system that does not discharge water even when a sprinkler head is broken.SOLUTION: A hospital fire extinguishing system 1 comprises: a negative-pressure sprinkler system 100 which has a sprinkler head 103 and sprinkler piping 102 to supply water to the sprinkler head 103, where the sprinkler piping 102 is ordinarily kept in a negative-pressure state; negative-pressure piping 201 to supply a negative pressure used within the hospital; and a negative-pressure pump 204, which produces negative pressure in the sprinkler piping 102 and the negative-pressure piping 201.SELECTED DRAWING: Figure 1
Inventors:
Hideaki Goto
Application Number:
JP2020069596A
Publication Date:
April 30, 2024
Filing Date:
April 08, 2020
Export Citation:
Assignee:
Air Water Safety Service Inc.
International Classes:
A62C35/58
Domestic Patent References:
| JP201145557A | ||||
| JP2010101070A | ||||
| JP2004283329A | ||||
| JP2013253761A | ||||
| JP20188062A | ||||
| JP2013128547A | ||||
| JP10306493A | ||||
| JP2011110295A | ||||
| JP2009100824A | ||||
| JP1130756U |
Foreign References:
| WO2000061238A1 |
Attorney, Agent or Firm:
Patent Attorney Fukami Patent Office