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)
06/1999
06/02/1999EP0919287A2 Air conditioner with electrostatic dust collector
06/02/1999EP0919286A2 Method for self-cleaning a dust collection electrode of an electrostatic precipitator for air conditioner use
06/02/1999DE19816185C1 Method of heating and cooling rooms
06/02/1999CN2322069Y One driving two air conditioner
06/02/1999CN1217953A Air pufiying unit and electric dust collecting unit
06/02/1999CA2255181A1 Integrated system for heating, cooling and heat recovery ventilation
06/01/1999US5908494 Liquid spray air purification apparatus
06/01/1999US5908491 Air cleaner
05/1999
05/27/1999WO1999026026A1 Dehumidifier system
05/27/1999WO1999026025A1 Dehumidifier system
05/26/1999CN2320935Y Electrode heating humidifier
05/26/1999CN2320346Y Wheel spoke dust remover
05/25/1999US5906677 Electrostatic supercharger screen
05/20/1999WO1999024763A1 Dehumidification/humidification air supply apparatus
05/20/1999WO1999024762A1 Air circulation system and method with return duct ventilation
05/20/1999WO1999024147A1 Air filtration system
05/19/1999CN2319736Y Air conditioner with air cleaner
05/19/1999CN2319735Y Catalytic agent deodorizing device of refrigerator
05/19/1999CN2319734Y Breath return heat ventilating oxygen feeding air cleaner
05/19/1999CN2319733Y Strong air purifier
05/19/1999CN2319732Y Air purifying conditioner
05/19/1999CN2319731Y Oxygen-enriched splitting air conditioner
05/19/1999CN2319730Y Anion air purifier
05/19/1999CN2319729Y Cold air dehumidifier with hot air drum
05/19/1999CN2319728Y Throttle ventilation fan
05/18/1999US5904896 Multi-stage zonal air purification system
05/18/1999US5904755 Furniture having air control functions
05/18/1999US5904047 Air conditioner control apparatus and method therefor
05/14/1999WO1999023423A1 Heating and cooling system
05/12/1999CN2318556Y Warm-air machine with humidification function
05/12/1999CN2318555Y Air filter with vibrating and ash cleaning
05/12/1999CN2318554Y Window-type air disinfection purifier
05/12/1999CN2318553Y Air conditioner with wet-type air cleaning apparatus
05/12/1999CN2318552Y Warm-air machine
05/12/1999CN2318551Y Air cleaning humidifier using salt liquid as medium
05/12/1999CN2318550Y 整体式空调器 Overall air conditioner
05/11/1999US5901565 Slanted heat exchanger-encased fan-dehumidifier
05/06/1999WO1999022182A1 Dehumidifying air-conditioning system and method of operating the same
05/06/1999WO1999022181A1 Dehumidifying air-conditioning system
05/06/1999WO1999022180A1 Heat pump/engine system and a method for utilizing same
05/06/1999EP0912865A1 Make-up air handler with direct expansion dehumidification
05/06/1999EP0912864A1 Fan air cleaner
05/06/1999DE19744884A1 Method for purifying recirculated conditioned air
05/05/1999CN2317432Y Indoor air purifying sterilizer
05/05/1999CN2316951Y Medicinal adsorbed core for air purifier
05/05/1999CN1216096A Multiple room type air conditioning apparatus
04/1999
04/27/1999US5896751 Air conditioner having humidifying function
04/22/1999WO1999019675A1 Dehumidifying air conditioner
04/21/1999CN2315472Y Multifunctional water curtain type air purifier
04/21/1999CN2315471Y Adjustable air purifier
04/21/1999CN2315470Y Wet removing and heat exchanging device
04/21/1999CN2315469Y Humidifier heated by using central heating pipeline
04/21/1999CN2315468Y Recovering and utilizing device for steam
04/21/1999CN2315467Y 加湿器 Humidifier
04/21/1999CN2315466Y Suspended ceiling type multiple side wind delivering air conditioner
04/20/1999US5895318 Apparatus and method for selectively dispensing oxygen from an aerosol container
04/14/1999EP0852688B1 Device for optimising air management in a room
04/14/1999EP0789546B1 Method and apparatus for controlling the atmosphere of an essentially closed space
04/14/1999CN2314280Y Multifunctional air conditioner
04/14/1999CN2314279Y Indoor air filter
04/14/1999CN2314278Y Ammonia absorbing air conditioner set
04/14/1999CN2314277Y 多功能热泵 Multifunctional heat pump
04/13/1999US5894001 Fragrance vaporizer, in particular for toilets
04/13/1999US5893408 Regenerative heat exchanger for dehumidification and air conditioning with variable airflow
04/13/1999CA2095061C Air-conditioning system accumulator and method of making same
04/08/1999DE19845501A1 Air cleaner
04/07/1999EP0906546A1 Method and device for protecting a work surface
04/07/1999EP0703827B1 Device for the separation of microscopic particules out of air
04/07/1999CN2313178Y Air conditioner
04/07/1999CN2313177Y Air-conditioner indoor machine of picture-frame type capable of jointing togather to compose
04/07/1999CN1213060A Multi-room air conditioning system
04/06/1999US5891399 Air purifcation cleaning systems using radiation
04/06/1999US5891219 Two stage rotary concentrator
04/06/1999US5890372 Air conditioning system for cooling warm moisture-laden air
04/06/1999US5890368 Dehumidifier
04/06/1999US5890367 Air conditioning system for semiconductor clean room including a chemical filter downstream of a humidifier
04/06/1999US5890366 High level oxygen air conditioning
04/06/1999CA2135437C Heating, ventilation and air conditioning unit with automatically controlled water spray air purification system
04/01/1999WO1999015837A1 Air cleaning device
04/01/1999WO1999015836A1 Low-humidity working apparatus
04/01/1999WO1998047600A9 Induction assembly for high efficiency air filter
03/1999
03/31/1999CN1212352A Heat pump type air conditioning apparatus
03/30/1999US5888261 Rotating element fume collection apparatus
03/30/1999US5887784 Desiccant device and humidity measuring means
03/25/1999WO1999014535A1 Air conditioning system having improved indirect evaporative cooler
03/24/1999EP0694150B1 An air-conditioning apparatus and a method of controlling its operation
03/24/1999CN2311717Y Energy-saving cool-warm air conditioner water heater
03/24/1999CN2311716Y Ceiling air conditioner
03/23/1999US5885138 Method and apparatus for dry-in, dry-out polishing and washing of a semiconductor device
03/23/1999US5884694 Bathroom dehumidifier method and apparatus
03/23/1999US5884500 Self-contained air conditioner with discharge-air filter
03/18/1999WO1999013272A1 Suction and filtering system to obtain and process fresh air
03/18/1999WO1998051978A3 High-efficiency air-conditioning system with high-volume air distribution
03/18/1999DE19802015A1 Building ventilation system
03/17/1999CN2310952Y Rotary discharging air purifier
03/17/1999CN2310951Y Wall-hung ventilating sterilizing air purifying machine
03/17/1999CN2310950Y Multifunctional split wall-hung air conditioner
03/16/1999US5881806 Air distribution fan and outside air damper recycling control
03/11/1999WO1999011983A1 Air conditioner
03/10/1999EP0667006B1 Remote region vacuum regulator
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