Matches 1 - 13 out of 13


Match Document Document Title
US20140248833 SMOKE VENTILATION  
The invention provides door and window sensors, which can be incorporated into building pressurisation and depressurisation systems, for use in protecting a building's escape routes against smoke...
US20140273799 AIR DELIVERY SYSTEM HAVING ADJUSTABLE FLAME-BLOCKING FILTERS  
An air delivery system is configured to deliver air to an enclosed structure and may include at least one air channel configured to deliver air to or receive air from the enclosed structure, at...
US20130252537 ENERGY RECOVERY VENTILATION SMOKE EVACUATION  
A control system, comprising one or more smoke sensors, each configured to measure a level of smoke at a location within a building and to output a smoke level signal based at least in part upon...
US20150047860 SELF-CLOSING VENT  
Self-closing vent assemblies configured to provide ventilation during normal ambient conditions and to close during a fire are provided. In one embodiment, the self-closing vent assembly includes...
US20150079895 Novel Louver System  
A louver system for controlling airflow in a duct from a forced air heating, ventilation, and air conditioning (HVAC) system with a housing and a louver located on a mounting fascia. The system...
US20070099558 Hood assembly  
A hood assembly includes a hood body having an inner surface and an outer surface. The hood body extends between an inlet end and an exhaust end, and the hood body defining a hood cavity between...
US20110179732 High Rise Building With A Stairwell And A Intake Air Shaft  
A high-rise building has a stairwell, an air supply shaft, inlet openings connecting the air supply shaft to the stairwell, and a pressure system for keeping the stairwell free from smoke. The...
US20080064322 Fire damper assembly  
A fire damper assembly has a damper mounted in an air duct for movements between air passing position in which the damper enables air to flow through the duct and another position in which the...
US20150065030 SENSOR CHAMBER AIRFLOW MANAGEMENT SYSTEMS AND METHODS  
Various devices, systems, and methods may be presented. A sensor unit may be presented that includes a housing and a chamber arranged within the housing and configured to receive air from outside...
US20140065941 NON-DIRECTIONAL SMOKE CONTROL DAMPER HAVING CHAIN GEAR TYPE BLADE ADVANCING/RETREATING DEVICE  
A non-directional smoke control damper includes a central blade (11), a plurality of outer blades (12) and a blade advancing/retreating device; an outer edge of the central blade (11) overlaps...
US20130035031 Telecom Shelter Cooling and Control System  
A system configured to provide cooling of electronic equipment in a shelter in combination with an air conditioning (A/C) system. The system includes one or more blowers for drawing air into the...
US20130032638 Telecom Shelter Cooling and Control System  
A system configured to provide cooling of electronic equipment in a shelter in combination with an air conditioning (A/C) system. The system includes one or more blowers fur drawing air into the...
US20160084513 INTEGRATED BASEMENT VENTILATION APPARATUS  
The present invention relates to an integrated basement ventilation apparatus, and more particularly, to an integrated basement ventilation apparatus which can improve a basement ventilation...

Matches 1 - 13 out of 13