Patents
Sitemap › F24 - Heating; Ranges; Ventilating › F24F - Air-conditioning; Air-humidification; Ventilation; Use of air currents for screening › F24F 3 - Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
Patents for F24F 3 - Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems (19,462)
06/1998
06/16/1998US5766072 Ventilation arrangement, including filter constructed as sound dampener, flow damper and for filtering purposes
06/10/1998EP0846923A2 Heat recovery device
06/10/1998DE19650413A1 Air dehumidifying unit for storage spaces, museums, etc.
06/10/1998CN2283812Y Domestic central air conditioner transformed from window air conditioner
06/10/1998CN1184245A Heat exchange coil
06/10/1998CN1184234A Fume and waste gas eliminating block for gas-burning stove and its production process
06/09/1998US5762667 Air treatment system
06/09/1998US5761925 Absorption heat pump and desiccant assisted air conditioner
06/09/1998US5761923 Air conditioning system
06/09/1998US5761915 Method and apparatus for supplying conditioned fresh air to an indoor area
06/03/1998EP0845649A2 Heat Exchange Coil
06/03/1998CN2283203Y Thermomagnetic purifier
06/03/1998CN2283202Y Flower vase type air purifier
06/02/1998US5759487 Method and apparatus for sterilizing and collecting dust in an air conditioner
06/02/1998US5758511 Desiccant multi-duel hot air/water air conditioning system
06/02/1998US5758509 Absorption heat pump and desiccant assisted air conditioning apparatus
06/02/1998US5758508 For conditioning a process stream of air in an air conditioning system
05/1998
05/28/1998WO1998022756A1 A device for improving the quality of indoor air
05/28/1998DE19707440C1 Dust-mite-population reduction equipment with air drier
05/28/1998CA2271916A1 A device for improving the quality of indoor air
05/28/1998CA2222402A1 Heat exchange coil
05/27/1998EP0844030A2 Extraction workbench and its method of operation
05/27/1998EP0843781A1 A process and installation for cooling air
05/27/1998CN1182857A Method and device for cooling rooms
05/20/1998DE19645447A1 Suction unit, especially for dental laboratory
05/20/1998CN1182475A Heat pump system and method for air-conditioning
05/20/1998CN1182187A Air conditioner
05/19/1998US5753345 A glass fiber sheet impregnated with silica sol coatings; heat exchanger; dehumidification, deodorizing
05/19/1998US5753002 High-efficiency air filter
05/19/1998US5753000 Filter air cleaner
05/19/1998US5752998 Water-spray separator
05/19/1998US5752985 Clean room having an air conditioning system
05/19/1998US5752878 Apparatus and method for treating air in a building
05/19/1998US5752389 Cooling and dehumidifying system using refrigeration reheat with leaving air temperature control
05/19/1998US5752323 Ventilator/dryer assembly using moisture adsorber
05/14/1998WO1998020285A1 Air to air heat and moisture recovery ventilator
05/14/1998WO1998019763A2 Regenerator heat exchanger having one or more adjustable performance characteristics
05/14/1998DE19645823A1 Automotive passenger cabin air cleaner
05/14/1998DE19644894C1 Filter for a blower, e.g. for circulating room air
05/14/1998CA2460623A1 Air to air heat and moisture recovery ventilator
05/13/1998CN2281502Y Negative oxygen ion air freshing device
05/13/1998CN2281501Y Separate two face air conditioner
05/13/1998CN1181483A Ammonia ahsorption air conditioner set
05/12/1998US5749967 Puller cell
05/12/1998US5749779 Movable overhead ventilation assembly and filtering method
05/12/1998US5749415 Roof curb assembly with integral dehumidifier heat pipe controlled by a bypass system
05/12/1998US5749359 Portable air conditioner
05/12/1998US5749230 Method for creating a humidity gradient within an air conditioned zone
05/06/1998CN2280869Y Air conditioner special for purification
05/06/1998CN1180817A Air conditioner control apparatus and method therefor
05/05/1998US5746652 Activated air showering system for clean room and method for controlling the same
05/05/1998US5746650 Integrated paint spray booth and air conditioning system and process
04/1998
04/30/1998WO1998017141A1 Clean room air filter system with self-supporting filter units
04/29/1998EP0838610A2 Drive for rotating device like a roll, shaft or similar
04/29/1998EP0806980A4 Adsorption air conditioning system
04/29/1998EP0714321B1 Air filtration system
04/29/1998CN1180154A Air conditioning apparatus
04/23/1998DE19643492A1 Air drying system for vehicle air conditioner
04/22/1998CN2279548Y Illuminating air purifier
04/21/1998US5740790 Counter-flow heating and air conditioning method for installing air conditioner unit therein
04/16/1998WO1998015782A1 Method and apparatus for providing a purified resource
04/16/1998WO1997047928A3 Air treatment system
04/15/1998CN2278708Y Device for combining clothes drying and sertilizing with air temp. elevation, humidifying, changing and purifying
04/15/1998CN1178890A Sterilizing buffering window
04/15/1998CN1178889A Frame type stackable air-conditioning indoor machine
04/09/1998DE19742358A1 Miniature air purification unit with fan and air purification stage
04/09/1998DE19721515A1 Equipment for production of chemically pure dry air
04/09/1998DE19706144C1 Clean room air circulation assembly fabricated from three punch-made parts
04/09/1998DE19639344A1 Judging tendency for soiling of visible surfaces near air ducts
04/09/1998DE19633735A1 Flexible Fensterfolie mit Filterelementen Flexible window film with filter elements
04/08/1998EP0834708A1 Multi-type air-conditioner
04/08/1998EP0834706A1 Clean room grid ceiling
04/08/1998CN2278170Y Low temp. Air conditioner set
04/08/1998CN1178310A Air conditioner having humidifying function
04/08/1998CN1178307A Dry air generator without Chemical substances
04/07/1998US5735135 Air conditioner
04/01/1998CN1177711A Purification room
04/01/1998CN1177709A Punification room
04/01/1998CN1177708A Moisture-removing air-conditioner
03/1998
03/31/1998US5733451 Core for interacting with a fluid media flowing therethrough and method of making the same
03/31/1998US5732562 Removal of moisture from air to be conditioned
03/26/1998DE19723954A1 Clean room
03/26/1998DE19720663A1 Clean room for semiconductor mfr. obtained by particle filters
03/26/1998DE19638713A1 Unit for oxidising atmospheric air containing pollutants
03/26/1998DE19638712A1 Air cleaning device for removal of smoke and smoke products
03/26/1998DE19638535A1 Air extraction and room ventilation device with heat recovery function for ventilation of heated room
03/26/1998DE19638023A1 Room air-conditioning device
03/26/1998DE19637156A1 Air-conditioner using combined air cooling modes
03/25/1998EP0831279A1 Furniture having an air control function
03/25/1998EP0830554A1 Serpentine heat pipe and dehumidification application in air conditioning systems
03/25/1998EP0830549A1 Close contamination protection device
03/25/1998EP0830278A1 Personal protection
03/25/1998EP0830263A1 Air conditioning system
03/25/1998EP0672445B1 Method and apparatus for preventing contamination of substrate or substrate surface
03/24/1998US5730573 Clean transfer method and apparatus therefor
03/17/1998US5727394 Method of conditioning a process stream
03/11/1998EP0828118A2 Ventilating device for the simultaneous aeration and de-aeration of spaces
03/11/1998CN2276128Y Air regenerating processor
03/11/1998CN2276127Y Air purifier
03/11/1998CN2276126Y Cabinet type air conditioner
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