| Patents for F24F 12 - Use of energy recovery systems in air conditioning, ventilation or screening (4,852) |
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| 05/31/2000 | CN2380846Y Floodenergy thermal apparatus |
| 05/24/2000 | CN2379736Y Refrigerating/air-conditioning means having hot water supply means |
| 05/24/2000 | CN2379735Y Air conditioning set having hot water supply means |
| 05/17/2000 | EP1001228A2 Ventilator system and method |
| 05/17/2000 | CN2378670Y Cool and heat accumulation hot pump air conditioner |
| 05/16/2000 | US6062296 Regenerative heat recovery unit comprising heat accumulators tiltably movable to have a valve function |
| 05/10/2000 | CN1252514A Air conditioning and refregerator for environment protection |
| 05/04/2000 | DE19836891C1 Combined room heater and ventilator for e.g. low-energy houses has ventilator unit with heat exchanger for intake air and outlet air flows, air/water heat pump, and mixer chamber |
| 05/03/2000 | EP0817944A4 Heating unit |
| 04/27/2000 | DE19849127A1 Composite dynamic heating system for buildings consists of multi-layered outer layer containing air ducts |
| 04/19/2000 | EP0907871B1 Air-conditioner |
| 04/19/2000 | CN1251162A Air conditioning system |
| 04/13/2000 | WO2000020809A1 Building exhaust and air conditioner condensate |
| 04/12/2000 | CN2373724Y Water-storing trough connecting with evaporimeter |
| 04/06/2000 | DE19844905A1 Building heating and ventilating system comprizes counterflow heat exchanger built into dividing wall complete with air flow channels plus inlets and outlets for stale and fresh air. |
| 04/05/2000 | EP0990860A1 Calorie recuperator thermodynamic device |
| 03/22/2000 | CN2370327Y Split hot pump cool and heat household air conditioner with air conditioner condensation recovering and utilizing system |
| 03/22/2000 | CN1247962A Water heater refitted with alternation work condenser refrigerator having double refrigerant path |
| 03/21/2000 | US6038879 Combined air exchange and air conditioning unit |
| 03/07/2000 | US6032730 Heat exchanger and method of manufacturing a heat exchanging member of a heat exchanger |
| 02/16/2000 | EP0979379A1 Air treatment device, installation, and method |
| 02/02/2000 | EP0864068B1 Device and method for treating and producing fresh air |
| 02/02/2000 | CN1243230A Refrigerating air-conditioning apparatus capable of making warm water |
| 01/26/2000 | CN1242495A External wall type air conditioner for room |
| 01/20/2000 | DE19831917A1 Air quality improvement process for rooms with simultaneous heating or cooling, involving passing warm air outflow past first plastic capillary mats, using recovered heat to heat colder taken past second mats containing warm water |
| 01/19/2000 | CN1241703A Thermostatic air exchanger |
| 12/29/1999 | WO1999067576A1 Method and device for controlling the climate in a room |
| 12/23/1999 | DE19827031A1 Ventilation heating system with fresh air and ventilation facility |
| 12/23/1999 | DE19826625A1 Low-energy building using solar energy |
| 12/15/1999 | EP0964210A2 Make-up air energy recovery ventilator |
| 12/15/1999 | CN2354048Y Constant-temp. air-changing machine |
| 12/08/1999 | EP0962719A1 Device for drying poultry manure |
| 12/08/1999 | EP0800641B1 Method for cooling and cleaning the plates of a plate heat exchanger and a plate heat exchanger with a wetting device |
| 12/08/1999 | CN1238033A Regenerative heat exchanger |
| 11/30/1999 | US5992160 Make-up air energy recovery ventilator |
| 11/25/1999 | WO1999060307A1 Integrated heat recovery ventilator hepa filter using a hepa filter material regenerative heat exchanger |
| 11/25/1999 | CA2294335A1 Integrated heat recovery ventilator hepa filter using a hepa filter material regenerative heat exchanger |
| 11/24/1999 | CN2350674Y Air conditioner and water heater integrated machine |
| 11/17/1999 | EP0712479B1 Arrangement for cooling supply air in an air-conditioning installation |
| 11/11/1999 | WO1999057491A1 Air conditioning method and device |
| 11/11/1999 | DE19852640A1 Chimney for a domestic heating system |
| 11/03/1999 | EP0953136A2 Method for producing a heat exchanger |
| 10/27/1999 | EP0952409A2 Counterflow heat exchanger |
| 10/27/1999 | EP0951630A1 Method for ventilating a room |
| 10/27/1999 | CN2345889Y Air changeable type air-conditioner |
| 10/21/1999 | DE19851889A1 Heat pump/air conditioning plant for buildings |
| 10/20/1999 | EP0706630B1 Method and arrangement for controlling heat transfer in ventilation apparatus or air conditioning apparatus |
| 10/20/1999 | CN2344697Y Thermal insulation energy-saving air interchanger |
| 10/20/1999 | CN2344696Y High efficiency energy-saving air interchanger |
| 10/07/1999 | DE19813119A1 Turbulence heat recovery device for ventilation unit |
| 09/30/1999 | DE19811469A1 Force ventilation of rooms and cabins |
| 09/23/1999 | WO1999047865A1 Air conditioning system for buildings and air-conditioned building, especially a zero energy house |
| 09/16/1999 | DE19810357A1 Lüftungs-Heizvorrichtung Ventilation heater |
| 09/16/1999 | DE19809974A1 Air conditioning method for buildings |
| 09/15/1999 | EP0942237A2 Ventilating and heating installation |
| 09/15/1999 | CN2338668Y Heat-pipe type heat recovery and ventilation apparatus |
| 09/02/1999 | WO1999043992A1 Modular, prefabricated and integrated device for heating and ventilating the premises of a building |
| 09/01/1999 | EP0938638A1 Suction and filtering system to obtain and process fresh air |
| 08/25/1999 | EP0937224A2 Regenerator heat exchanger having one or more adjustable performance characteristics |
| 08/25/1999 | CN2335077Y Warm keeping bidirectional scavenging means |
| 08/19/1999 | DE19911177A1 Heat exchanger for exchange of heat between gases |
| 08/18/1999 | CN2333952Y Accumulating air conditioner and its energy-storage device |
| 08/17/1999 | US5937933 Regenerator heat exchanger having one or more adjustable performance characteristics |
| 08/05/1999 | DE19803748A1 Ventilation-heating device for room |
| 08/05/1999 | DE19803335A1 Ventilation apparatus for room in building |
| 08/03/1999 | US5931017 Arrangement for cooling supply air in an air-conditioning installation |
| 07/30/1999 | CA2225590A1 Dual heat reclaimer air exchanger |
| 07/28/1999 | CN2330924Y Air conditioning equipment |
| 07/27/1999 | US5927097 Evaporative cooler with improved contra flow heat exchanger |
| 07/15/1999 | WO1999035445A1 Integrated heating and fresh air supply device for use with an air distribution system |
| 07/14/1999 | EP0928932A1 Room heating system |
| 07/06/1999 | US5919406 Plate heat exchanger with wetting device |
| 07/01/1999 | DE19736998C1 Building air conditioning system |
| 06/29/1999 | US5915620 Apparatus for heating and ventilating a farm enclosure |
| 06/24/1999 | DE19827511A1 Ventilation and heating energy supply system, with heat accumulator |
| 06/24/1999 | DE19757518A1 Device for regenerative energy recovery for use in air conditioning plants in buildings |
| 06/23/1999 | EP0783655B1 Room atmosphere conditioning unit for a heating, cooling and ventilating system |
| 06/23/1999 | CN2325699Y Air-conditioner/water heater |
| 06/23/1999 | CN2325696Y One driving two type machine set for room air conditioning with cooling water circulation |
| 06/22/1999 | US5913360 Dual pass cooling plate type cross flow air to air heat exchanger with air flow damper controls |
| 06/16/1999 | EP0922483A1 Process and device for dehumidifying exhaust air |
| 06/10/1999 | DE19753986A1 Heat recovery process for buildings |
| 06/02/1999 | CA2255181A1 Integrated system for heating, cooling and heat recovery ventilation |
| 05/27/1999 | WO1999010694A3 Method for producing a heat exchanger |
| 05/11/1999 | CA2100494C Ventilator |
| 04/21/1999 | EP0909933A1 Cross-flow heat exchanger with bypass-valve |
| 04/21/1999 | EP0909928A1 Heat recovery unit |
| 04/21/1999 | EP0909926A1 Double flow ventilation system |
| 04/21/1999 | CN1214433A Energy-saving air interchanger |
| 04/15/1999 | WO1999018396A1 Apparatus for renewing the atmosphere in premises with energy recuperation |
| 04/14/1999 | EP0907871A1 Air-conditioner |
| 04/14/1999 | EP0852688B1 Device for optimising air management in a room |
| 03/24/1999 | EP0903545A2 Heating, cooling and ventilating system, and room atmosphere conditioning unit for such a system |
| 03/18/1999 | WO1999013283A1 Heat exchanger |
| 03/18/1999 | WO1999013272A1 Suction and filtering system to obtain and process fresh air |
| 03/04/1999 | WO1999010694A2 Method for producing a heat exchanger |
| 03/04/1999 | DE19837162A1 Window or door profile for recovery of ventilating heat |
| 03/04/1999 | DE19737158A1 Hocheffizienter Wärmetauscher zur Anwendung in Sensor- oder zeitgesteuerter Stoßbelüftung mit Wärmerückgewinnung Highly efficient heat exchanger for use in sensor or time-controlled shock ventilation with heat recovery |
| 02/25/1999 | DE19734955A1 Method for room heating with heat-exchangers and fans |
| 02/10/1999 | CN2307227Y Condensed water processing device for cabinet air conditioner |