Title:
PRESSURIZED SMOKE PREVENTION/EXHAUST SYSTEM AND BUILDING WITH THE SAME
Document Type and Number:
Japanese Patent JP2021121259
Kind Code:
A
Abstract:
To provide a technology capable of exhausting air in an internal hallway to an atmospheric air side in conjunction with the pressurized air supply in fire breakout while avoiding a decrease in floor space effective rate, in a building having a void space vertically penetrating through each floor in a central part and having a living room arranged across the internal hallway around the void space in each floor and in a pressurized smoke prevention/exhaust system installed therein.SOLUTION: A pressurized smoke prevention/exhaust system includes: pressurized air supply means X for performing pressurized air supply to an evacuation space 20 leading to an internal hallway 10 on the occurrence of fire; and air relief means Y for opening an air relief port 12A connecting the internal hallway 10 and the atmospheric air side in conjunction with execution of the pressurized air supply, and exhausting the air in the internal hallway 10 to the atmospheric air side. A void space 50 is a space where at least a top end is opened to an atmospheric air, and a void side air relief port 12A connecting the void space 50 with the internal hallway 10 is provided as the air relief port 12A.SELECTED DRAWING: Figure 1
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Inventors:
ISHIZAKI SHO
SAITO HIRONORI
SAITO HIRONORI
Application Number:
JP2020014790A
Publication Date:
August 26, 2021
Filing Date:
January 31, 2020
Export Citation:
Assignee:
TAKENAKA KOMUTEN CO
International Classes:
A62B13/00; A62B3/00; E04H1/04; E06B7/02; F24F7/06; F24F13/02
Attorney, Agent or Firm:
Masahiro Miyaji