فتحة تهوية مجرى المصعد
(Hoistway Vent)
Top-of-shaft ventilation opening for smoke and heat removal during fire conditions.
A hoistway vent at the top of the elevator shaft provides smoke and heat ventilation during fire conditions. Building codes specify minimum vent sizes based on hoistway cross-section area, with automatic or manual activation options.
التخصصات
codes
الكلمات الدالة
#hoistway
#vent
المصادر
Industry standards
مصطلحات ذات صلة
جهاز الإنقاذ التلقائي
Battery-powered system moving an elevator to the nearest floor during a power failure.
معدل تهوية المقصورة
Minimum required airflow within an elevator car for passenger comfort and air quality.
كشف الدخان في مجرى المصعد
Sensors detecting smoke in the hoistway and machine room to trigger elevator recall.