| Patents for F24F 12 - Use of energy recovery systems in air conditioning, ventilation or screening (4,852) |
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| 03/12/2003 | EP1291589A2 Heating and ventilating device for the inside of a building |
| 03/06/2003 | US20030042012 Energy recycling air handling system |
| 03/06/2003 | DE20219627U1 Heating system with heat reclamation has a heat exchanger mounted on the inside of an outside wall and with separated exhaust flow and fresh inlet flow powered by blowers mounted outside the wall |
| 02/27/2003 | US20030037907 Solar energy heater with heat pipe and heat exchanger |
| 02/26/2003 | EP0861403B1 Plate-type crossflow air-to-air heat exchanger having dual pass cooling |
| 02/20/2003 | US20030034151 Heat exchanger type fan |
| 02/19/2003 | CN1397772A Air conditioner with heat pump for recovering heat |
| 02/13/2003 | WO2003012357A2 Heat exchanger assembly and heat exchange manifold |
| 02/13/2003 | US20030029175 Air conditioner with heat pipe |
| 02/13/2003 | US20030029174 Refrigeration units and heat pipe |
| 02/13/2003 | CA2467692A1 Heat exchanger assembly and heat exchange manifold |
| 02/12/2003 | CN2535697Y Thermal storage heat pump type family-type central air conditioning macine |
| 02/05/2003 | CN1394662A Reduced pressure evaporation falling-film heat exchanging equipment |
| 01/30/2003 | WO2003008871A1 Air conditioning device |
| 01/29/2003 | EP1278995A1 Ventilation device |
| 01/29/2003 | CN2533420Y Temp. difference condensation water-producing, heating, air conditioning and electric generating device |
| 01/29/2003 | CN1393667A Water-cooled air conditioner |
| 01/22/2003 | EP1277018A1 Air conditioning device |
| 01/22/2003 | EP1277017A1 Ventilation and air heating treatment installation in a building comprising several housing units |
| 01/22/2003 | CN2532405Y All heat recovery type air condition energy-saving system |
| 01/20/2003 | CA2394474A1 Refrigeration units and heat pipe |
| 01/20/2003 | CA2394468A1 Solar energy heater with heat pipe and heat exchanger |
| 01/20/2003 | CA2394463A1 Air conditioner with heat pipe |
| 01/16/2003 | US20030013407 Ventilation method and device |
| 01/16/2003 | DE19855056C2 Gerätesystem für die Lüftung von Einzelräumen Appliance system for the ventilation of individual rooms |
| 01/15/2003 | CN2531303Y Air interchanger |
| 01/15/2003 | CN1391072A Domestic air conditioner with ventilation function |
| 01/15/2003 | CN1391071A Air conditioner able to heat water |
| 01/15/2003 | CN1099021C Contra flow heat exchanger |
| 01/09/2003 | DE20216395U1 Ventilation unit installed in low-energy house outer wall with external access |
| 01/08/2003 | CN1389676A Electrically compressed hot water and cold air unit |
| 01/02/2003 | EP1271066A2 Method and system for indoor air treatment |
| 01/02/2003 | EP1269098A1 Heat exchanger |
| 12/27/2002 | WO2002077536B1 Ventilation, dehumidification and heat recovery apparatus |
| 12/25/2002 | CN2527903Y Bidirectional-use air conditioning water heating device |
| 12/25/2002 | CN1097199C Counter flow type heat exchanger |
| 12/18/2002 | EP1266180A1 Ventilating device |
| 12/11/2002 | CN2525770Y Cold and heat exchanging high efficiency energy saving device |
| 12/05/2002 | WO2002097338A2 Ventilation method and device |
| 12/05/2002 | DE10122907A1 Ventilation system for rooms in multi-storey buildings has fan drawing in outside air and mixing it with recirculating air through heat exchanger depending on fan pressure |
| 12/04/2002 | CN2524157Y Air cooling heat recovery water heater set of central air conditioner |
| 11/30/2002 | CA2635876A1 Ventilation method and device |
| 11/30/2002 | CA2635848A1 Ventilation method and device |
| 11/28/2002 | DE10221375A1 Sealing arrangement for a heat recovery cell in a ventilation device comprises seals equipped with elastic sealing bands which support the heat recovery cell on their upper side so that the pressure on each sealing band is directed downward |
| 11/27/2002 | EP0877909B1 Regenerative heat recovery unit comprising heat accumulators titable to have a valve function |
| 11/27/2002 | CN2522802Y Direct-burning type absorbing type water-cooling-heating machine group |
| 11/27/2002 | CN2522786Y Heat-recovering refrigerating domestic electric appliance |
| 11/21/2002 | WO2002093080A1 Air-conditioning system |
| 11/19/2002 | CA2214614C Heat exchanger and method of manufacturing a heat exchanging member of a heat exchanger |
| 11/13/2002 | CN2520468Y Waste heat utilization energy-saving air conditioner |
| 11/07/2002 | WO2001057450A9 Flexible duct sleeve |
| 11/07/2002 | US20020164944 Ventilator system and method |
| 10/24/2002 | US20020153133 Ventilator system and method |
| 10/23/2002 | CN2518017Y Air conditioning and water heating electrical appliance |
| 10/17/2002 | WO2002081977A1 Ventilator and method of manufacturing the ventilator |
| 10/17/2002 | WO2002081976A1 Method of manufacturing ventilator |
| 10/16/2002 | EP1249669A2 Ventilating system, heat exchanger, method of ventilating an enclosed space and method of making a plastic heat exchanger |
| 10/10/2002 | DE19937137C2 Verfahren und Vorrichtung zur kombinierten Lüftung und Heizung Method and apparatus for combined ventilation and heating |
| 10/06/2002 | CA2380552A1 Heat exchange system |
| 10/03/2002 | WO2002077536A1 Ventilation, dehumidification and heat recovery apparatus |
| 10/03/2002 | US20020139514 Ventilation system |
| 10/02/2002 | CN2514258Y Air-conditioner capable of recovering waste energy |
| 10/02/2002 | CN1372110A Energy storage heat supply apparatus |
| 09/26/2002 | US20020134087 Heat exchanger |
| 09/26/2002 | DE10106975A1 Luft-Wasser-Wärmepumpe mit Wärmerückgewinnung Zuluftvorerwärmung und Kühlung Air-water heat pump with heat recovery and cooling Zuluftvorerwärmung |
| 09/19/2002 | US20020129611 Turbo fan driven by expansion of a liquid of a gas |
| 09/18/2002 | CN2511910Y Water intake/discharge system for air conditioner with water as media |
| 09/05/2002 | DE10109753A1 Ventilation unit, for a building ventilation system, has opposing connections with intersecting connecting lines, within a housing as a block structure which is easily produced |
| 09/05/2002 | DE10107637A1 Heat recovery device, can suck cooled air back into exhaust air inlet during hot weather in order to cool air outside |
| 09/04/2002 | CN2509500Y Energy-saving water-heating device for central air conditioning refrigerating machine set |
| 08/28/2002 | CN2508167Y Condensed heat recovering device for central conditioning system |
| 08/28/2002 | CN2508166Y Air conditioning hot-water apparatus |
| 08/22/2002 | WO2002065026A1 Air/water-heat pump with heat-recuperating, additional air prewarming and cooling functions |
| 08/21/2002 | CN2506911Y Multi-function air conditioner water heater |
| 08/20/2002 | US6434963 Air cooling/heating apparatus |
| 08/14/2002 | CN2505756Y Pressure-equalizing, temperature compensating air exchanger |
| 08/07/2002 | CN2504539Y Thermal arrster of air conditioner |
| 08/07/2002 | CN2504538Y Heat exchanging ventilator of air conditioner |
| 08/01/2002 | DE10159124A1 Dezentrales Lüftungsgerät mit hocheffektivem Wärmeübertrager Decentralised ventilation unit with highly effective heat exchanger |
| 08/01/2002 | DE10103150A1 Lüftungsanlage Ventilation |
| 08/01/2002 | DE10101512A1 Vorrichtung zur Wärmerückgewinnung aus Abluft Apparatus for heat recovery from exhaust air |
| 07/31/2002 | EP1227284A2 Method of air conditioning interiors and air conditioning unit for said method |
| 07/31/2002 | CN2503395Y Ventilation device used with air conditioner |
| 07/25/2002 | US20020095945 Method of air conditioning interiors and air conditioning unit for said method |
| 07/24/2002 | CN2502190Y Energy-saving cold/hot air conditioning hot water device in all seasons |
| 07/18/2002 | WO2002055939A1 Air conditioning device |
| 07/18/2002 | WO2002055938A1 Device and method for feeding treating air |
| 07/03/2002 | CN2498531Y Refrigerating device by recovered heat from condensation |
| 07/03/2002 | CN2498530Y Water heater by recovering waste heat from central air conditioner |
| 07/03/2002 | CN1356509A Energy-saving air conditioner supply fresh air |
| 07/03/2002 | CN1356506A Heat-exchange ventilating system |
| 06/26/2002 | CN2497211Y Air-conditioning water heater |
| 06/26/2002 | CN2497210Y Two-purpose air conditioner |
| 06/26/2002 | CN2497198Y Indoor for condition controller |
| 06/19/2002 | CN2495942Y Means for giving hot water by utilizing waste heat from air conditioner |
| 06/13/2002 | DE10059804A1 Air cleaner for rotary recuperative heat exchanger has spray electrodes on input side to produce charged particles repelled from heat exchanger housing |
| 06/11/2002 | US6401802 Units |
| 06/11/2002 | CA2134168C Ventilation system |
| 05/29/2002 | DE10058273A1 Ventilator comprises heat pump unit, service and drinking water accumulator, heating water accumulator, electric heater, heat exchanger, closeable connections. |
| 05/23/2002 | DE10046779A1 Air conditioning system has cold channel enclosed on five sides by hot channels, which are connected together, in order to intensify heat exchange effect |