Patents for F24F 13 - Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening (38,954) |
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04/28/1994 | WO1994009483A1 Multiple source self noise cancellation |
04/28/1994 | WO1994009301A1 Bladder damper |
04/28/1994 | DE4342524A1 Ventilation unit for room - has two connected air distribution boxes with additional air outlet into room, having connection channel charged by air nozzle |
04/28/1994 | DE4300226A1 Swirl outlet for air conditioning - has double housing forming ring channel with regulated air feed |
04/28/1994 | DE4236031A1 Prodn. of clean air flow - involves device with tubular jacket to separate intake and axial ventilator, leaving air outlet |
04/27/1994 | EP0594261A1 A device for mounting a plate-like body to the surface of a thin-walled support |
04/27/1994 | EP0594076A1 Outlet with vortex flow |
04/27/1994 | CN2163341Y Energy saving device for air conditioner |
04/26/1994 | US5306210 Louvre type roof structures |
04/21/1994 | DE4234800A1 Luftführungskanal mit einer eingesetzten Brandschutzklappe Air duct with a used fire damper |
04/20/1994 | EP0592648A1 A damper device. |
04/20/1994 | EP0592457A1 Air nozzle for ventilating or air conditioning installations |
04/20/1994 | EP0592417A1 An arrangement in valve dampers. |
04/20/1994 | CN2162615Y Supper-light wall hanging pipe device for air conditioner |
04/19/1994 | US5304094 Method of mixing cold introduced air with warmer room air |
04/19/1994 | US5303897 For use in a ventilating plant |
04/19/1994 | US5303522 Internally flashed siding channel |
04/17/1994 | CA2107870A1 Vacuum cleaner with improved assembly |
04/14/1994 | DE4328727A1 Ventilation flap for conservatories - has bored rafters which have apertures in inferior purlin region for coupled shafts which support flap |
04/14/1994 | DE4233932A1 Arrangement for laminar air flow laminator in air outlet - is formed by sheet metal plate, fitted in room air outlet, with fine perforations, whose dia. is related to plate thickness |
04/13/1994 | CN2161862Y Condenser of window type air conditioner |
04/13/1994 | CN2161290Y Air conditioner for high pressure oxygen tent |
04/12/1994 | US5301744 Modular air conditioning system |
04/07/1994 | DE4327629A1 Air-conditioning lamp with housing frame holding illumination unit - has air supply system connected to illumination unit by which are exhaust air openings and outlet openings for supply air. |
04/06/1994 | EP0590536A1 Damper |
04/05/1994 | US5299978 Air sweep mechanism |
04/05/1994 | CA2074012C Air vent system |
03/31/1994 | WO1994006644A1 Pressure actuated door |
03/31/1994 | WO1994004886A3 Passive air blast attenuators and ventilators |
03/31/1994 | DE4232315A1 Air intake in outside walls of buildings - has S-shaped air deflection channel with sound/heat absorption, and air volume limitation unit with filter for regulation from zero to max. |
03/31/1994 | CA2144975A1 Pressure actuated door |
03/30/1994 | EP0439596B1 Bactericidal and fungicidal material for use in the manufacture of air-conditioning ducts |
03/29/1994 | US5297989 Nozzle for discharging air and method |
03/29/1994 | US5297395 Air conditioner using rotary-type heat exchangers |
03/29/1994 | US5297373 Drainable blade louver |
03/29/1994 | US5297326 Method and apparatus for converting a fixed-opening air diffuser to an individually-controlled variable air volume diffuser |
03/29/1994 | CA2078968A1 Trap device for an air register |
03/24/1994 | DE4306761C1 Air discharge outlet for air conditioning - has exit tube with insert tube, with associated unit of ring disc, control disc, guide disc, and baffle disc |
03/22/1994 | US5295905 Air nozzle for a directed air flow into a room |
03/22/1994 | US5295904 Air conditioning system |
03/22/1994 | US5295531 Air conditioner with outside air introduction path |
03/22/1994 | US5295367 For flushing impurities from the interior of an air conditioning circuit |
03/17/1994 | DE4230604A1 Heat exchanger assembly for industry, offices, homes etc. - has one exchange unit coupled to air duct and unit surrounded by partial housing, whose walls are enclosed in casing |
03/15/1994 | US5294195 Cover for the outside enclosure of an air conditioning system |
03/15/1994 | US5293920 Louvered basement vent |
03/15/1994 | US5293894 Automatic prime and flush siphon condensate pump system |
03/15/1994 | US5293758 Outside section for split system air conditioning unit |
03/09/1994 | EP0585865A1 Air humidifier |
03/09/1994 | CN2158511Y Wind guiding device for air-conditioner |
03/08/1994 | US5292282 Air guard |
03/08/1994 | US5292103 Drain valve |
03/03/1994 | WO1994004886A2 Passive air blast attenuators and ventilators |
03/02/1994 | EP0585194A1 Mixer ejector flow distributor |
02/28/1994 | CA2096379A1 Air register with extendable deflector |
02/22/1994 | US5289094 Light responsive airflow register |
02/22/1994 | US5288267 Retrofit air circulation system |
02/17/1994 | DE4326759A1 Fire proofing device for sealing off ventilation shafts in case of fire - consists of material whose original volume multiplies under heat conditions and this is placed in air duct |
02/17/1994 | DE4305471C1 Air outlet in ceiling - has conduit floor perforated at regular intervals around air outlet nozzles |
02/17/1994 | DE4226634A1 Ventilator, esp. for bathroom or kitchen - has electronically commutated DC inside-out motor to drive fan built into wall with filtered air inlet |
02/16/1994 | EP0583156A1 Fire closure element |
02/16/1994 | CN2156434Y Low-noise centrifugal ventilation machine |
02/16/1994 | CN1082171A An air direction control apparatus |
02/15/1994 | US5285818 Flexible duct with method of making same |
02/11/1994 | CA2086768A1 Thermally responsive air diffuser |
02/10/1994 | DE4302855C1 Air-conditioning device for heating or cooling room - has pulsed air stream provided by variable vol. chamber with heat exchanger on output side |
02/09/1994 | CN2155521Y Noise-lowering centrifugal air duct for air conditioner |
02/09/1994 | CN2155520Y Sourceless noise-lowering device for room air conditioner |
02/08/1994 | US5285026 Reactive sound attenuator, in particular for air ducts in paper mills |
02/08/1994 | US5284204 Hydronic thermal distribution system for space heating and cooling |
02/08/1994 | US5284027 Air conditioning systems |
02/03/1994 | WO1994002786A1 Ventilation apparatus |
02/01/1994 | US5283398 For an internal combustion engine |
02/01/1994 | CA1326705C Fan-powered mixing box assembly |
01/31/1994 | CA2074969A1 Damper closures |
01/27/1994 | DE4224257A1 Corner angle section for an air channel - has formed profile in different directions providing sealed insertion fit |
01/25/1994 | US5281187 Unitary vent and duct assembly |
01/25/1994 | CA2101195A1 Floor vent |
01/20/1994 | DE4322450A1 Outlet valve for domestic ventilator - has thin air filter extending across inlet cross-section |
01/20/1994 | DE4223031A1 Room-air cooling method by heat-exchanger - cools secondary air current in heightened part of room and derives primary one solely from room air |
01/20/1994 | DE4222971A1 Panel, for covering, cladding and insulating - comprises two edge strips and metal plates enclosing insulating layer |
01/19/1994 | EP0579442A1 Ventilator |
01/19/1994 | CN2153733Y Hot water vapor waste gas exhaust cover |
01/18/1994 | US5279515 Air handling unit with improved acoustical performance |
01/18/1994 | CA2013480C Covered split scroll for centrifugal blower |
01/18/1994 | CA2001567C Nozzle outlet |
01/11/1994 | US5277658 Barometric damper apparatus |
01/11/1994 | US5277397 Bladder assembly for control of fluid flow and method of its fabrication |
01/11/1994 | US5277036 Cooler, heater, and blower assembled in variety of configurations |
01/06/1994 | WO1994000719A1 Ceiling vent with movable vane |
01/05/1994 | DE4226687C1 Method for fitting filter in front of outlet aperture of air conditioning channel - involves fitting lower frame by dowels, bolts or adhesion on wall around outlet aperture |
01/04/1994 | US5276291 Acoustic muffler for high volume fluid flow utilizing Heimholtz resonators with low flow resistance path |
01/04/1994 | US5275333 Air conditioning system providing for individual work station control |
01/04/1994 | CA2011786C Ventilation grille |
12/29/1993 | EP0575896A1 Volume flow regulator for a ventilation or an air conditioning system |
12/28/1993 | US5274201 Noise muffler for an air blower |
12/28/1993 | US5274200 Sound containment enclosure |
12/28/1993 | US5272889 Pulley mounting and bearing system for air conditioners with dual tangential blowers |
12/22/1993 | EP0467946B1 Airflow regulating valve |
12/21/1993 | US5271959 Method of preventing grease buildup in ductwork |
12/21/1993 | US5271558 Remotely controlled electrically actuated air flow control register |