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Title:
LOW OXYGEN CONCENTRATION FIRE PREVENTION SYSTEM
Document Type and Number:
Japanese Patent JP2011050794
Kind Code:
A
Abstract:

To enhance fire prevention performance and safety for an objective space, by regulating quickly oxygen concentration in the objective space.

This low oxygen concentration fire prevention system prevents the objective space 1 from a fire, by reducing oxygen concentration in the objective space 1 to low oxygen concentration, and includes a nitrogen gas supply line 130 for supplying nitrogen-enriched gas to the objective space 1, an oxygen supply line 140 for supplying oxygen-enriched gas to the objective space 1, a controller 160 for controlling the supply of the nitrogen-enriched gas and the supply of the oxygen-enriched gas to the objective space 1, a sensor 4 for detecting the generation of the fire in the objective space 1, and a fire extinguisher 201 for extinguishing the fire generated in the objective space 1.


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Inventors:
UEHARA SHIGEO
OYA YASUYUKI
MIYAZAKI KENSUKE
ADACHI OSAMU
MORISHIMA HAJIME
Application Number:
JP2010282217A
Publication Date:
March 17, 2011
Filing Date:
December 17, 2010
Export Citation:
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Assignee:
TAKENAKA KOMUTEN CO
HOCHIKI CO
International Classes:
A62C3/00; A62C37/36
Domestic Patent References:
JP2003102858A2003-04-08
Foreign References:
WO2004074094A22004-09-02
Attorney, Agent or Firm:
Tatsuya Saito



 
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