FIRE EXTINGUISHING SYSTEM

FIRE EXTINGUISHING SYSTEM

PROBLEM TO BE SOLVED: To improve the sensitivity of a sprinkler head concerning a ceiling embedded type sprinkler head, to utilize a cover member overlaying a ceiling hole again and further, to prevent a deflector from being folded even when a bar hits the deflector. SOLUTION: A cover member 31 for...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: AOKI MITSUNAMI
Format: Patent
Sprache:eng
Schlagworte:
FIRE-FIGHTING
HUMAN NECESSITIES
LIFE-SAVING
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To improve the sensitivity of a sprinkler head concerning a ceiling embedded type sprinkler head, to utilize a cover member overlaying a ceiling hole again and further, to prevent a deflector from being folded even when a bar hits the deflector. SOLUTION: A cover member 31 for overlaying a ceiling hole 17 and a main body 2 of head are connected through shape memory alloy 32. Besides, a hot air current reflecting member 34 having an ascending slope for guiding a hot air current to a heat decomposing section 14 of sprinkler head is provided on the upper face of cover member. Then, the cover member 31 is constituted so as to be detached by water pressure. Besides, a member for supporting the deflector is slid through an inserting hole.