Patents
Patents for F24F 13 - Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening (38,954)
12/1990
12/12/1990EP0401481A1 Air egress
12/11/1990US4976753 Snap-together housing for small appliances
12/11/1990US4976115 Cambered condenser grill
12/11/1990US4976114 Air conditioning unit having an internal combustion engine which is suitable for mounting on the roof of a building
12/06/1990CA2015279A1 Portable floor air duct
12/05/1990EP0400401A2 Volume flowregulator for a duct
12/04/1990US4974421 Plastic pan assembly having an U-shaped supporting bracket for use in air conditioners and refrigerators
12/04/1990US4974386 Frame structure with profile members and engagement rods
11/1990
11/29/1990WO1990014564A1 A damper
11/29/1990DE3916687A1 Air conditioned suspended ceiling - comprises two leaf panels fixed to hollow rails with gaps between each panel which serve as air supply ducts
11/29/1990CA2017623A1 Device for controlling a volumetric rate of flow in a guide tube
11/28/1990EP0399003A1 Personal environmental module.
11/26/1990CA2017420A1 Flexible duct
11/20/1990US4971143 Fan stator assembly for heat exchanger
11/20/1990US4971139 Heat tube device
11/20/1990US4970875 Plastic pan assembly for use in air conditioners and refrigerators
11/14/1990CN1010426B Clean room
11/07/1990EP0396136A1 Slab for false floors
11/07/1990EP0395923A1 Air distributor
11/07/1990EP0395870A2 Device for guiding an air stream
11/06/1990US4967830 Arcuate tubular evaporator heat exchanger
11/06/1990US4967646 Portable floor air duct
10/1990
10/31/1990EP0395535A1 Air conditioning device for heating or cooling a room
10/31/1990DE3914242A1 Room heater and cooler - comprises blower with heat exchanger along with air inlets and outlets with air blown in through adjustable flaps by semi axial rotor
10/31/1990CN2064874U Ventilation air conditioning muffler
10/30/1990US4966069 Introduction of warm/cold air into a room
10/25/1990DE3913306A1 Air conditioning for rooms - incorporates vertical shaft and has two air outlets controlled by shutter system
10/24/1990EP0393603A2 Closing apparatus
10/23/1990US4964438 Air duct plug
10/18/1990WO1990012258A1 Airflow regulating valve
10/17/1990EP0392438A2 Device for discharging supply air
10/16/1990US4962882 Ventilator
10/16/1990US4962778 Backwashing dispenser for air conditioner drain pans
10/11/1990DE4011085A1 Ventilator for inside of vehicle - makes use of control knob for two rows of flaps
10/10/1990EP0391177A2 Outlet nozzle
10/10/1990EP0391006A1 Air heater with a vertical axis
10/04/1990WO1990011476A1 Method and arrangement for controlling the temperature in buildings
10/04/1990DE4010134A1 Air-conditioning supply unit - has ceiling-mounted distributor housing with lateral nozzles and central bottom air outlet
10/04/1990DE3909497A1 Temperature-controlled air distribution
10/03/1990EP0389508A1 Air distribution device.
09/1990
09/27/1990DE4004210A1 Air-conditioning light fitting e.g. for computerised office - has housing surface projection less than effective heat transfer surface area
09/27/1990DE3909297A1 Ventilating arrangement for installation in a row of lights vaulted in the shape of a barrel
09/27/1990DE3909296A1 Ventilating arrangement for building roofs
09/27/1990DE3909294A1 Ventilating arrangement for installation in a building opening
09/26/1990CN2062798U Wind cowl made of glass fibre reinforced plastics
09/25/1990US4958687 Fire damper
09/25/1990US4958555 Sight proof, drainable blade louver assembly
09/25/1990US4958554 Fire protection filter
09/25/1990US4958500 Air conditioner and air conditioning method
09/25/1990CA1274414A1 Deodorizing air vent attachment
09/20/1990WO1990010829A1 Unit heater with vertical axis of the type providing a cyclone effect air distribution
09/20/1990DE3908754A1 Load-bearing member for a floor or similar surface
09/19/1990EP0387362A1 Air conditioning system for rooms
09/19/1990CN2062423U Anti-fire valve at wind inlet
09/18/1990US4957238 Pneumatic variable air volume controller
09/18/1990CA1274232A1 Automatic regulating valve of the air flow sucked out of a room through a mechanical ventilating installation
09/18/1990CA1274112A1 Air vent
09/15/1990CA2001072A1 Pneumatic control system for air handling system damper
09/13/1990WO1990010827A1 Air-conditioning system
09/13/1990CA2030536A1 System suitable for use in conditioning air in a plurality of rooms
09/12/1990EP0387166A1 Refrigeration system and fitting-out of range area shop
09/12/1990EP0386717A2 Procedure for the production of a ventilation grille
09/12/1990CN2062023U Ceiling air disperser
09/11/1990US4955286 Turbulence outlet
09/07/1990WO1990010830A1 Light fitting including filter elements
09/07/1990CA2047701A1 Light fitting including filter elements
09/04/1990US4953328 Air conditioning compressor sectionalized cover
09/04/1990CA1273620A1 Electric motor driven air valve
08/1990
08/29/1990EP0383894A1 Ventilation valve.
08/29/1990EP0383887A1 Damper-regulating arrangement for induction apparatus with cooling and heating batteries
08/23/1990DE3905065A1 Device for adjusting windows, flaps and the like
08/21/1990US4949625 Air volume damper kit and assembly
08/21/1990CA1272904A1 Combined wall and ventilator module for a building
08/15/1990CN1044706A 房屋呼吸器 Housing respirator
08/14/1990US4947930 Heat bonnet for heat pump
08/09/1990WO1990008927A1 Ventilator
08/09/1990WO1990008926A1 Device for aerating and, if necessary, deaerating a space
08/08/1990EP0380660A1 Radiation air-conditioner
08/07/1990US4946484 Support for clean room ceiling grid system
08/07/1990US4945982 Wire raceway
08/07/1990US4945822 Air control apparatus for forced air central air conditioning systems
08/01/1990EP0379552A1 Air distribution procedure and apparatus used in the procedure.
08/01/1990EP0268621B1 Flanged section for connecting air duct elements
07/1990
07/31/1990US4944654 Split scroll for centrifugal blower
07/31/1990CA1272141A1 Air purification system
07/26/1990DE3902187A1 Sound-insulating screen
07/25/1990EP0379189A1 Maintenance cover for an insulated sheet-metal duct wall
07/25/1990EP0379188A2 Device for aeration and deaeration
07/25/1990CN2059723U Miniature electric air valve
07/25/1990CN1008938B Ventilator for refrigerator
07/24/1990US4942805 Ventilated panel
07/24/1990US4942739 Mixing chamber for an air-conditioning system
07/24/1990CA1271940A1 Filter/barrier for residential floor level air outlets
07/19/1990CA2007990A1 Manhole closure for insulated sheet metal duct walls
07/17/1990US4941901 Retrofit drainage trough for installation on pre-existent cabinet contained, wall supported air conditioners
07/17/1990US4941398 Oscillating reed and method
07/17/1990CA1271630A1 Apparatus for deflecting the direction of the wind in an air conditioner
07/12/1990DE3900477A1 Thermally actuated flap device
07/04/1990EP0375734A1 An air conditioning apparatus, especially for regulating the flow of cold and warm air or a mixture thereof
06/1990
06/27/1990EP0374786A2 Supply air delivery system