Matches 1 - 24 out of 24
Match Document Document Title
7591867 Ventilation system  
The present invention provides a compact ventilation system provided with an air purifying function. The present invention includes a case having at least one inlet and outlet communicating with an...
7565924 Pressure equilizing system  
An air handling system for an indoor space comprising a first forced indoor air treatment component, an input indoor air duct element and an output treated air duct element respectively coupling...
7441588 Heat exchanger unit  
The present invention provides a heat exchanger unit that can save space, even when performing air conditioning in addition to ventilation. The heat exchanger unit performs heat exchange...
6974382 Year round selective dehumidifying and humidifying apparatus and method  
Apparatus which may be used year-round for dehumidifying air in the enclosed space of a building to comfortably allow a higher temperature during summer conditions, for exchanging air in the...
6835128 Ceiling mounted air filtering and distribution apparatus operated independently of any HVAC system  
A modular direct flow clean air delivery apparatus is disclosed that is particularly adapted for use in restaurants, banquet halls, meeting rooms, offices etc., where cigarette smoke and other...
6579170 Rigid foam air duct system  
An air duct that comprises one or more air duct segments that comprises a polymeric cellular material, or foam. The ducts or segments may be part of an air duct system that comprises a primary air...
6328776 Air-purifying system  
An air-purifying system for filtering and re-circulating room air. The air-purifying system includes a blower module, a first filter module, a second filter module and a supply module. The blower...
6132309 Modular clean room plenum  
A modular clean room plenum includes a rectangular plenum body with an air barrier forming a top surface of the modular clean room plenum and a ceiling grid forming a bottom surface of the modular...
5531641 Recreational vehicle air conditioner ceiling grille with register  
An air conditioning system for a recreational vehicle is provided having a rooftop mounted air conditioning unit with an outlet for conditioned air and an inlet for return air and an air...
5256105 Washable seamless clean room  
A modular clean room structure in which the interior is finished without any seams between adjacent modules or crevices at the corners of the room such that the room can be easily sterilized. The...
5149300 Method of construction of pre-balanced air handling system  
An air handling duct system is provided wherein downstream duct segments are downsized proportionately relative to a immediate upstream duct segments including lateral outlets in order to maintain...
4880581 Means and method for aseptic particle-free production of articles  
An apparatus and method for aseptic, particle-free production of articles. A shroud is placed around at least a portion of the device which produces the articles to substantially isolate that...
4676144 Clean room system  
A clean room system includes a processing room containing production equipment, a technical room adjacent the processing room and containing machinery for actuating the production equipment, and a...
4589476 Air ventilation and filtration apparatus  
Apparatus for exchanging air within an enclosure with outside air while subjecting air within the enclosure to gas filtration and/or electronic air cleaning. The apparatus includes a two-position...
4531454 Air conditioning system  
A fan coil unit 13 is mounted in an underfloor plenum with its intake 14 flush with the floor. The unit 13 feeds fan air terminals 11 and 12 each of which has an aperture 26 which vents air into...
4351476 Air filtering system and method of operation  
An air filtering unit for blowing only filtered air into a room of a building having a central air conditioning air duct outlet therein, includes an electric blower unit having an air inlet and an...
4255176 Combined air purifier and destratifier  
A combined unit for purifying and destratifying heated air including a first inlet at a lower area for receiving air to be purified, an air purifier including an air demister and an electrostatic...
3817159 DUCTED AIR CONDITIONING SYSTEM AND COMBINATION DUCT THEREFOR  
An air conditioning system for supplying conditioned air to a plurality of zones. A combination supply and return air duct connects the fan coil unit of either an incremental air conditioner or a...
3727538 HEATING AND VENTILATING SYSTEM FOR MOBILE HOMES  
A mobile home construction is shown in which a forced ventilation cavity is provided between the ceiling and an insulated roof. A furnace circulates air through the rooms. Openings in the ceiling...
3458130 HOT AIR HEATING SYSTEM AND INDIVIDUAL NON-LEAKING FILTERS FOR THE COLD AIR REGISTERS THEREOF  
3236254 Combination air duct and girder for hot air ventilating system  
2804816 Economy air conditioning system  
2801581 Equalizer duct system  
1002308 Title is not available  
Matches 1 - 24 out of 24