| Patents for F24F 12 - Use of energy recovery systems in air conditioning, ventilation or screening (4,852) |
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| 05/04/2004 | US6729551 Fireplace make-up air heat exchange system |
| 04/29/2004 | WO2004016457A3 Proportional control system for a motor |
| 04/28/2004 | CN1492200A Geothermal air conditioner system capable of providing hot water |
| 04/27/2004 | CA2134618C Method for the purification and bio-deodorizing of a gas effluent and installation for the implementation of such a method |
| 04/15/2004 | DE20302221U1 Luftaustauschvorrichtung Air exchange device |
| 04/14/2004 | EP1408286A1 Air conditioning device |
| 04/14/2004 | CN2611819Y Solar steam air conditioner |
| 04/14/2004 | CN2611794Y Accumulating household central air conditioner |
| 04/14/2004 | CN2611793Y Accumulating heating/refrigerating air conditioner |
| 04/14/2004 | CN1488898A Air regulator with heat recovery |
| 04/13/2004 | CA2140232C Heat recovery ventilator |
| 04/07/2004 | CN2610247Y Absorption cold-heat source device |
| 04/07/2004 | CN2610246Y Air-conditioner machinery set for cold storage and hot water supply by low-temp. heat source, solar and low valley electric |
| 04/07/2004 | CN2610245Y Air conditioning machinery set for cold storage of ice making using low valley electric |
| 04/07/2004 | CN2610243Y Window energy-saving ventilator |
| 04/01/2004 | WO2003081141A3 Air exchanging device |
| 04/01/2004 | DE10243172A1 Method for mixing outside air with room air for a ventilation system heat exchanger has overlying metal plates having contrary hole patterns which can relatively positioned to each other to vary the throughput |
| 03/31/2004 | EP1403592A2 Air-exchange system for the ventilation of at least one room in a building |
| 03/31/2004 | CN2608914Y Heat removal utilization type lithium bromide absorption cold water, cold hot water machine set |
| 03/31/2004 | CN2608888Y Air conditioner capable of producing het water for four seasons |
| 03/31/2004 | CN2608887Y Cold-hot air conditioner with water heater |
| 03/24/2004 | EP1076796B1 Air conditioning method and device |
| 03/24/2004 | CN1484746A Heat exchanger unit |
| 03/17/2004 | CN1142394C Electrically compressed hot water and cold air unit |
| 03/10/2004 | CN2606292Y Household central air condition circulating system and waste heat utility |
| 03/10/2004 | CN1480694A Boiler capable of using air conditioning waste heat |
| 03/04/2004 | WO2003102484A3 Method for heating and cooling a room and a building with a plurality of rooms |
| 03/03/2004 | CN2605508Y Water heater using waste heat |
| 03/03/2004 | CN1140753C Ice heat-storage controller |
| 02/26/2004 | WO2004016457A2 Proportional control system for a motor |
| 02/26/2004 | WO2004016296A2 Apparatus for catalysing a reaction in a fluid material |
| 02/26/2004 | US20040035569 Device and method for feeding treating air |
| 02/26/2004 | CA2495821A1 Proportional control system for a motor |
| 02/25/2004 | EP1390672A2 Ventilation method and device |
| 02/25/2004 | CN1477351A integrated air-cooled heat pump type central air-conditioner unit |
| 02/25/2004 | CN1139762C Energy-saving air conditioner with fresh air supply device |
| 02/24/2004 | US6695038 Heat exchanger type fan |
| 02/24/2004 | US6694769 Ventilation and air heating treatment installation in a building comprising several housing units |
| 02/18/2004 | EP1389717A2 Air exchanging device, particularly for the interior of a building, with an airflow controller |
| 02/12/2004 | DE19549698B4 Rollladenaggregat Roller shutter unit |
| 02/11/2004 | EP1387988A1 Air-conditioning system |
| 02/11/2004 | CN2603339Y Energy-saving device for air conditioning box |
| 02/11/2004 | CN1474122A Throttle valve rotary device of hydrogen storage alloy air conditioner |
| 02/11/2004 | CN1474106A Air exchnger |
| 02/05/2004 | US20040020222 Method and device for saving energy in indoor cooling and heating |
| 02/03/2004 | US6684939 Air-ventilator with high efficiency thermal exchanger and air filter |
| 01/29/2004 | DE10313384A1 Wärmeübertrager mit spiralförmig angeordneten Kunststoff-Kapillarrohrmatten und Verfahren zu seiner Anwendung Heat exchanger with spirally arranged plastic capillary tube mats and method of application |
| 01/28/2004 | CN1470812A Thermal-storage air-cooled heat pump cold-hot water integrating system |
| 01/21/2004 | EP1382916A2 Heat exchanger with spirally wound mats of plastic capillary tubes and method for using it |
| 01/21/2004 | CN1469086A Electronic temperature-stabilizing and air-exchanging machine |
| 01/15/2004 | DE20218363U1 Luftaustauschsystem für die Entlüftung wenigstens eines Raums eines Gebäudes Air exchange system for venting at least one area of a building |
| 01/15/2004 | DE10330139A1 Verfahren und Anordnung zur Temperaturkontrolle eines Gebäudes Method and apparatus for controlling the temperature of a building |
| 01/14/2004 | CN2599459Y Hot water preparing device by recovering waste heat of central air conditioner |
| 01/08/2004 | DE10249562A1 Lüftungsgerät insbesondere für Niedrigenergiehäuser Ventilation unit particularly for low energy buildings |
| 01/07/2004 | EP1029202B1 Regenerative heat exchanger |
| 01/02/2004 | EP1376023A1 Ventilator and method of manufacturing the ventilator |
| 01/02/2004 | EP1376022A1 Method of manufacturing ventilator |
| 12/31/2003 | CN1464281A A closed-type external ice thawing ice-accumulating chamber |
| 12/31/2003 | CN1464280A A multiple passage closed-type external ice thawing ice-accumulating chamber |
| 12/31/2003 | CN1464237A Closed-type external ice thawing air-conditioning apparatus |
| 12/31/2003 | CN1464236A Absorption type air-conditioner with heat-reclaiming device |
| 12/24/2003 | WO2003106898A1 Device for drying air in buildings, especially in indoor swimming pools |
| 12/24/2003 | CN1462862A Device for retrieving air heat in heat pipe type central air conditioner |
| 12/24/2003 | CN1462855A Multi-functional heat pump type air conditioning water-heater |
| 12/11/2003 | WO2003102484A2 Method for heating and cooling a room and a building with a plurality of rooms |
| 12/11/2003 | CA2488276A1 Method for heating and cooling a room and a building with a plurality of rooms |
| 12/10/2003 | CN2591494Y Heat recovery device for multiple-air conditioner system |
| 12/10/2003 | CN2591493Y Refrigerant engine apparatus |
| 12/04/2003 | DE20216334U1 Luftaustauschsystem für die Belüftung wenigstens eines Raums eines Gebäudes Air exchange system for ventilating at least one room of a building |
| 12/03/2003 | CN2589871Y Hot-water supplied air-conditioning unit |
| 11/27/2003 | WO2003098120A1 An air conditioning device comprising recovery cells with inlet and exhaust ducts at both ends where the air flows are controlled by rotating deflectors |
| 11/26/2003 | CN2588269Y Central heating waste heat recovery and water system energy-saving controller |
| 11/26/2003 | CN1458474A Energy saving fresh air exchanger |
| 11/26/2003 | CN1128961C Energy-storage type air-conditioner, refrigerator and water heater system |
| 11/20/2003 | WO2003095904A1 Air conditioning unit |
| 11/19/2003 | CN1128319C Thermostatic air exchanger |
| 11/12/2003 | CN1455058A Community life sewage treatment and reuse, garden natural-cooling and environmental-protection energy-saving air-conditioning system |
| 11/10/2003 | CA2428409A1 Ventilator system and method |
| 11/06/2003 | WO2003091632A1 Dewpoint cooler designed as a frame or part thereof |
| 11/06/2003 | US20030207666 Flexible duct sleeve |
| 11/06/2003 | DE20313136U1 Aerating and ventilating device for large and small rooms has air to air heat exchanger, reversible fan and hood for opening fitted in housing |
| 11/05/2003 | CN2585103Y Landscape type central air conditioner cooling system |
| 10/29/2003 | CN1451921A Method and device for recovering phase change storage heat of condensation heat-extraction for compressing condensing unit |
| 10/28/2003 | US6637234 Method of air conditioning interiors and air conditioning unit for said method |
| 10/22/2003 | CN2581890Y Circulating system for combined duoble-effect cold-hot joint supplying absorber and solution dehumidifying air conditioner |
| 10/22/2003 | CN2581889Y Water heater integrated with air conditioner |
| 10/22/2003 | CN2581886Y Geothermal air conditioning system capable of providing hot water |
| 10/22/2003 | CN2581873Y High-speed energy-saving hot water apparatus set |
| 10/22/2003 | CN1125284C Separated cabinet-type air conditioner |
| 10/16/2003 | WO2003085327A1 Heat recuperator with frost protection |
| 10/15/2003 | EP1353130A1 System for keeping a heat exchange apparatus ice-free |
| 10/15/2003 | CN1448666A Heat pump type air-cooled air conditioner utilizing compressor waste heat |
| 10/15/2003 | CN1448664A All-breathing central air-conditioning system |
| 10/15/2003 | CN1448617A Cooling medium engine apparatus |
| 10/08/2003 | CN2578754Y Heat absorbing cabinet as thermal source |
| 10/08/2003 | CN1123738C Air conditioning system |
| 10/02/2003 | WO2003081141A2 Air exchanging device |
| 10/01/2003 | CN2577173Y Hot-water supplying apparatus of utilizing waste heat of air-conditioner |
| 10/01/2003 | CN2577172Y Boiler capable of utilizing waste heat of air-conditioner |
| 10/01/2003 | CN2577171Y Heat-recovering heat-pump air conditioner |