Patents
Sitemap › F24 - Heating; Ranges; Ventilating › F24F - Air-conditioning; Air-humidification; Ventilation; Use of air currents for screening › F24F 12 - Use of energy recovery systems in air conditioning, ventilation or screening
Patents for F24F 12 - Use of energy recovery systems in air conditioning, ventilation or screening (4,852)
10/2003
10/01/2003CN2577170Y Energy-saving air conditioner
10/01/2003CN2577169Y Cold-air recovering-utilizing apparatus of air-source heat-pump evaporator
10/01/2003CN1445489A Utilization device for retrieving cold or heat energy in waste water
09/2003
09/25/2003US20030177777 Indoor air treatment system with hepa filtration
09/25/2003DE20304984U1 Office ventilation heat exchanger assembled from stack of deep-drawn plastic panels with parallelogram planform with converging and diverging inlet and outlet zones
09/24/2003CN2575525Y Ladder shaped spiral tower type gas firing hot water showering device
09/18/2003WO2003076851A1 Air-exchange system comprising a heat exchanger, for ventilating a room of a building
09/17/2003CN2573918Y Waste heat recovering device of central air conditioner
09/17/2003CN2573917Y Family thermal pump central air cooling and heating conditioner hot-water set
09/16/2003US6619063 Indoor air treatment system with HEPA filtration
09/10/2003CN2572275Y Positive displacement type energy saving hot water machine set
09/03/2003CN2570668Y Multifunctional energy conserving water-heater
09/02/2003US6612365 Heating-element accommodating-box cooling apparatus and method of controlling the same
08/2003
08/28/2003WO2003071200A1 Heat recovery unit and heat recovery system of building utilizing it
08/28/2003US20030159802 Ventilation device
08/28/2003CA2477332A1 Heat recovery unit and heat recovery system of building utilizing it
08/27/2003CN2569005Y Multifunctional central air conditioner cooling circulation system
08/21/2003US20030154737 Ventilation and air heating treatment installation in a building comprising several housing units
08/21/2003US20030154724 Heat exchanger
08/20/2003CN1118669C Control method and device for automatic regulating energy of air conditioner using accumulated energy
08/20/2003CN1118667C Double-protection air conditioner and refrigerator
08/19/2003US6606874 Ventilation arrangement for buildings
08/12/2003US6604378 Turbo fan driven by expansion of a liquid of a gas
07/2003
07/31/2003DE29824920U1 Turbulence heat recovery device for ventilation unit
07/30/2003EP1331458A1 Ventilator and method for controlling the ventilator
07/30/2003EP1331457A1 Ventilator
07/30/2003EP1331456A1 Controlling system and method for controlling a ventilator
07/30/2003EP1331455A1 Ventilator and method for controlling the ventilator
07/30/2003EP1331453A1 Ventilator
07/30/2003CN2563479Y Water heat-collecting type split air conditioner
07/30/2003CN2563478Y Cabinet type environment protection energy saving water heating air conditioner
07/30/2003CN1432763A Cold-accumulating air conditioner
07/24/2003DE20300465U1 Aerating and ventilating system for buildings has fresh air shaft and exhaust air shaft in vertical air shaft and located vertically and parallel to one another
07/23/2003CN2562121Y Heat pump central air conditioner set with hot water supply
07/23/2003CN2562120Y Multifunctional energy-saving module air cooling heat pump central air conditioner set
07/23/2003CN2562119Y Backflow secondary air mixing heat recovering device
07/23/2003CN2562118Y Closed external ice melt ice storage tank
07/17/2003WO2003058130A1 Humidity control device
07/17/2003WO2003058129A1 Humidify conditioner
07/17/2003DE20305801U1 Ventilation and conditioning unit has feed air duct and outlet air duct which at least along one section to form heat exchanger adjoin each other by means of heat transferring gastight partitioning wall
07/10/2003US20030127529 Fireplace make-up air heat exchange system
07/09/2003CN2559917Y Power set utilizing air conditioner heat extraction
07/09/2003CN2559916Y Domestic air conditioning, water heating combination machine
07/09/2003CN1429331A Heat exchanger
07/09/2003CN1114070C Energy-saving air interchanger
07/03/2003WO2003054457A1 Air conditioning system
07/03/2003WO2003054455A1 An air conditioner supplying fresh air which can save energy
06/2003
06/25/2003EP1320713A1 Counter current heat exchanger
06/25/2003CN2557860Y Electronic constant temp. scanvenger
06/25/2003CN2557859Y High-efficient air conditioner
06/25/2003CN2557858Y Air conditioner with water-heater
06/25/2003CN2557849Y Ventilation machine or equipment with heat-exchanger and air filter
06/25/2003CN1425888A Direct evaporation type energy accumulatiing heat pump air conditioner
06/19/2003US20030111219 Air Conditioning System
06/10/2003US6575228 Ventilating fresh air to a conditioned space. The system is comprised of a desiccant wheel for dehumidifying incoming air by exchanging moisture from an inflow current of air with an outflow current of air. The desiccant wheel is both
06/05/2003US20030102106 Air conditioning device
06/04/2003CN1421654A Double-structure type environment protecting heat energy-recovering and refrigerating system
05/2003
05/29/2003US20030098358 Heat exchange system
05/22/2003WO2003042602A1 Heat exchanger unit
05/21/2003CN2551914Y Absorption air conditioner with heat recovering device
05/21/2003CN2551904Y Ventilating equipment with efficient heat exchanger and air filter
05/15/2003WO2003040629A1 Air conditioner
05/15/2003US20030089492 Ventilation device
05/14/2003CN2550685Y High efficiency energy saving air exchanger
05/14/2003CN1417546A Air conditioner
05/07/2003EP1308678A1 Ventilation device
05/07/2003CN2549375Y Heat exchanger of energy-storage air exchanger
05/07/2003CN2549374Y Cold water circulating air-conditioner system with hot water supplier
05/01/2003WO2003036182A1 Compensating for temperature
05/01/2003CA2410402A1 Ventilation device
04/2003
04/30/2003CN2548059Y Heating mechanism for air conditioning apparatus
04/30/2003CN2548058Y Air-conditioning heat-recovery assembling set
04/30/2003CN1414314A Spent heat recovery and utilization of central air conditioner
04/24/2003DE20215061U1 Climate control unit for buildings and vehicles has absorptive assistance unit which is readily regenerated
04/23/2003CN2546792Y Annular energy-accumulating ball
04/23/2003CN1412492A Heat storage device for cold source machine unit and method for contralling operation of said device
04/22/2003US6550687 Heat exchange system
04/16/2003CN1105884C Ice-storage air conditioning system
04/10/2003WO2002097338A3 Ventilation method and device
04/09/2003CN1409065A Method for high efficiency energy saving refrigeration and heat supply for central air conditioner
04/09/2003CN1409061A Ventilation equipment with high efficiency heat exchanger and air filter
04/09/2003CN1409059A Ventilator or ventilation equipment with heat exchanger and air filter
04/08/2003US6543698 Fireplace make-up air heat exchange system
04/02/2003CN2542970Y Hot-pump energy-storage air-conditioning device
03/2003
03/27/2003WO2003025471A1 Ventilating apparatus with thermal exchanger and air filter
03/27/2003WO2003025470A1 An air-ventilator with high efficiency thermal exchanger and air filter
03/27/2003WO2003025468A1 Method and device for evaporation cooling of a fluid flow
03/27/2003DE20300376U1 Method for mixing room and outside air in room ventilation system has control flap between outside and inside air intake openings
03/26/2003EP1296099A2 A ventilator or ventilating apparatus with thermal exchanger and air filter
03/26/2003EP1296098A1 An air-ventilator with high efficiency thermal exchanger and air filter
03/26/2003CN1406329A Ventilator and method of assembling the ventilator
03/26/2003CN1405510A Air conditioning system by using low-temperature heat source, ice-storage of low-valley electricity and solar energy
03/26/2003CN1405509A Waste-energy-recoverable air conditioner and waste energy recovering apparatus
03/20/2003US20030051861 Air-ventilator with high efficiency thermal exchanger and air filter field of the invention
03/20/2003US20030051725 Extractor hood
03/20/2003US20030051454 Ventilator or ventilating apparatus with thermal exchanger and air filter
03/19/2003CN2540589Y Multipurpose air conditioner
03/19/2003CN1404567A Method of manufacturing ventilator
03/19/2003CN1403756A Uninterrupted heating process and air conditioning system
03/13/2003WO2003021155A1 Heat pump type air conditioner with air exchange
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