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)
11/1999
11/10/1999CN2348302Y Health electric water heater
11/10/1999CN2348287Y Multi-functional air purifying plate
11/10/1999CN2348286Y 开路式富氧空调器 Open style enriched air conditioner
11/10/1999CN2348285Y Cold and hot air spray-type air conditioner
11/10/1999CN2348284Y Active fresh air supply air conditioner
11/09/1999US5980615 Compact air dryer
11/09/1999US5980614 Air cleaning apparatus
11/09/1999US5979170 Cooling bulk stored food grains
11/09/1999US5979167 Central air conditioning system
11/07/1999CA2237011A1 Integrated air conditioning system with hot water production
11/03/1999CN2347091Y Ozone generator
11/03/1999CN2347090Y Wall and desk dual-purpose air conditioner
11/03/1999CN2347089Y 室内环境优化器 Indoor Environmental Optimizer
11/03/1999CN2347085Y Window air conditioner with negative ion generator
11/02/1999US5976220 That uses a membrane to exchange gas constituents through a diffusion process while substantially blocking particle transfer.
10/1999
10/28/1999WO1999054667A1 Method for treating a moist gas stream
10/27/1999EP0647307B1 Serpentine heat pipe in air conditioning systems
10/27/1999CN2345883Y Air-condioner with air fresh and sterilization function
10/27/1999CN2345882Y Direct air supply type purification and sterilization fan coil pipe
10/27/1999CN1232948A Air conditioner with air cleaner
10/27/1999CN1232944A Air conditioner
10/27/1999CN1232943A Multi-type air conditioner
10/26/1999US5972812 Garment comprising woven fabric containing ion exchange fiber having cationic fibers, anionic fibers, non-ionic exchange fibers such as polyester, nylon, cotton, rayon, polyvinyl alcohol
10/26/1999US5972060 Apparatus for providing a purified resource in a manufacturing facility
10/21/1999WO1999053245A1 Heat and moisture exchange apparatus for architectural applications
10/20/1999CN2344692Y Air interchanger
10/20/1999CN2344691Y 水浴式空气净化器 Bath air cleaner
10/20/1999CN2344690Y Easy-to-disassemble and assemble and easy-to-clean fan with two air-outlets
10/20/1999CN2344689Y Hanging air purifier
10/20/1999CN2344688Y Totaly-enclosed electrothermal humidifier
10/20/1999CN2344687Y Indoor small central air conditioner
10/20/1999CN2344686Y Domestic central air conditioner
10/19/1999US5966955 Heat pump device and desiccant assisted air conditioning system
10/19/1999US5966954 Air conditioning system
10/19/1999US5966947 Method of returning refrigerator oil of air conditioner
10/14/1999WO1999051919A1 Multipurpose air conditioning apparatus
10/14/1999WO1999051918A1 Ventilation system
10/14/1999DE19916421A1 Heating and ventilation system for dwelling units in multiple-family houses
10/14/1999CA2325927A1 Multipurpose air conditioning apparatus
10/13/1999CN2343517Y Integrated device for purifying and sterilizing air
10/13/1999CN2343516Y Electrical dust-collecting sterilizing air purifier
10/13/1999CN2343515Y Rotary resolution adsorption thickener
10/13/1999CN2343514Y Silica gel air dehumidifier
10/13/1999CN1231405A Air conditioner
10/13/1999CN1231401A Multi-unit air conditioner with shunt part capable of regulating refrigerant flow speed
10/12/1999US5964927 Adsorption apparatus
10/07/1999WO1999042007A8 Radiating member and variants
10/07/1999DE19837501A1 Profiled or zoom floodlight for stage, film or studio use
10/06/1999EP0946257A1 Diffusional gas transfer system and method of using same
10/06/1999CN2342289Y 负离子空调器 Anion Air Conditioner
10/06/1999CN2342288Y External circulation hanging air filter
10/06/1999CN2342287Y Outdoor parallel heat exchanger for air conditioner
10/06/1999CN2342286Y Lithium bromide absorption household air conditioner
10/06/1999CN2342285Y Split hang ceiling type fan coiled pipe air conditioner device
10/06/1999CN1230665A Domestic split air conditioner capable of leading in fresh air
10/05/1999US5961702 Air replenishment unit
09/1999
09/30/1999WO1999049267A1 Cooling method and cooling apparatus
09/30/1999DE19813157A1 Ventilation and air conditioning unit for bivalent conditioning of room or building
09/30/1999DE19812806A1 Luftbefeuchtungs- und -waschgerät Humidification and -waschgerät
09/30/1999CA2325454A1 Cooling method and cooling apparatus
09/29/1999EP0944941A1 Device to produce active oxygen ions in the air for improved air quality
09/29/1999EP0891519B1 Process and device for confining, retaining and sucking off fumes, dust and appraratus for performing the method
09/29/1999CN2341061Y Air purifier on window
09/29/1999CN2341060Y Semiconductor air moisture eliminator
09/29/1999CN2341059Y 空气净化器 Air Purifier
09/28/1999US5957771 Aromatic spray driving apparatus of air conditioner
09/28/1999US5957212 Installation for fighting fire
09/28/1999US5956962 Air conditioner
09/23/1999WO1999047867A1 Air humidifying and washing device
09/23/1999WO1999047866A1 Desiccant assisted air conditioning system
09/23/1999WO1999047239A1 Cellulose/polymer composite enthalpy exchanger and method for its manufacture
09/23/1999DE19806856A1 Befestigungsvorrichtung Fastening device
09/22/1999CN2339914Y 空气净化装置 Air purification devices
09/22/1999CN2339913Y Centrifugal atomizing humidifier
09/22/1999CN2339912Y Automatic-respiration type dry-wet filter
09/22/1999CN2339911Y Combined air-conditioner
09/22/1999CN2339910Y Air-conditioner host-machine of equal side-weight
09/21/1999US5953926 Heating, cooling, and dehumidifying system with energy recovery
09/16/1999WO1999046545A1 Air conditioner energy system
09/16/1999DE19821256C1 Method for operating heating or cooling fluid circuit with header and return pipes
09/15/1999EP0942238A1 Heating and air conditioning system using the central heating
09/15/1999CN2338664Y Dust gathering plate structure of air filtering machine
09/15/1999CN2338663Y Central cooling/heating air conditioner with miniature coal (oil, gas) burner
09/14/1999US5950447 Desiccant assisted air conditioning system
09/14/1999US5950442 Air conditioning system
09/08/1999EP0940847A2 SOI substrate bonding under clean room conditions
09/08/1999CN2337450Y Air purifying device
09/08/1999CN2337449Y Multi-function dehumidifier
09/08/1999CN2337448Y Large-size air conditioning potted landscape
09/08/1999CN2337445Y Multi-function air conditioner
09/08/1999CN1227964A SOI substrate and method and system for manufacturing the same
09/08/1999CN1227905A Air conditioner with electric dust collector
09/07/1999CA2145651C System for controlling flow through a process region
09/02/1999WO1999030087A8 Therapeutic air vent filter screen
09/01/1999EP0939283A2 Humidity control apparatus
09/01/1999EP0938638A1 Suction and filtering system to obtain and process fresh air
09/01/1999EP0938637A1 Air conditioner
09/01/1999EP0801720B1 A method and an apparatus for increasing the yield of an airdrying process
09/01/1999CN2336249Y Two-faced air conditioner
08/1999
08/31/1999US5944894 Substrate treatment system
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