Patents
Patents for F24H 8 - Fluid heaters having heat-generating means specially adapted for extracting latent heat from flue gases by means of condensation (1,863)
04/2004
04/01/2004DE10244342A1 Fuel value heater has burner surrounded by heat exchanger which has heat exchanger tubes aligned vertical together with burner
03/2004
03/31/2004CN2608901Y Condensing energy-saving heat exchanger
03/25/2004DE10258187A1 Method for monitoring the burn quality of a gas or oil burner by measuring the ion current in the flames and comparing same with reference values
03/17/2004EP1398578A1 High-pressure cleaner
03/17/2004EP1398577A1 High-pressure cleaner
03/11/2004DE10237591A1 Heat exchanger has tubular ribbed coil with lowest points of ribs connected to condensation drain whose lower end is outside of vertical projection of coil
03/11/2004DE10237590A1 Wärmeübertrager für Brennwert-Heizgeräte Heat exchanger for condensing heaters
03/03/2004CN1140750C Heating system with electric heat pump by using latent heat in flue gas of gas-fired and oil-burning boiler
03/03/2004CN1140749C Heat system with electric heat pump of recoverying flue gas latent heat in flue gas of gas-fired and oil-burning boiler
03/03/2004CN1140736C Design method of high-efficient environment-protecting integrated condensation gas boiler
02/2004
02/24/2004US6694926 Water heater with continuously variable air and fuel input
02/19/2004US20040031480 Arrangement structure of heat exchanger in condensing gas boiler
02/18/2004EP1389719A2 Heat exchanger for high efficiency heaters
02/03/2004US6684878 Condensate drainage system for an outdoor condensing furnace
01/2004
01/29/2004WO2004009741A1 Use of a fischer-tropsch derived fuel in a condensing boiler
01/29/2004CA2493879A1 Use of a fischer-tropsch derived fuel in a condensing boiler
01/13/2004US6675795 Freeze resistant method for draining furnace condensate in low temperature environments
01/07/2004CN2597891Y Energy-saving heating device
01/07/2004CN2597890Y Waste heat recoverer
12/2003
12/31/2003CN2596266Y Flue gas waste heat recovery device of high efficiency mixing device
12/16/2003US6662758 Condensing gas boiler for recollecting condensed latent heat using uptrend combustion
12/11/2003DE29924567U1 Boiler for boiling liquids or gases
12/10/2003CN1460831A Heat-transfer fin structure for gas-fired boiler
12/10/2003CN1460820A Heat exchanger structure for condensating gas-fired boiler
12/03/2003EP1366326A2 Condensation heat exchanger, in particular for a boiler
11/2003
11/19/2003CN1456850A Energy saving boiler with annular chamber oil-water casing and six effectives and universal doubled effeciency power generation technique
11/18/2003US6648066 Resistant to the high temperature flue vent gases and the acidic condensate; thermoplastic resin
11/13/2003DE20210190U1 Biomass heating system has separate units for burner, heat exchange from flue gasses and condensing unit for removing steam
11/05/2003CN2585121Y Sectional condensation type energy saver for boiler
10/2003
10/23/2003US20030196782 Black layer coated heat exchanger
10/22/2003CN2581901Y Burner bottom-positioned type vertical heat exchanger of gas boiler
10/15/2003CN2580352Y Gas temperature lowering and oil saving device of oil burning boiler for greenhouse
10/09/2003DE20208789U1 Condensing heating apparatus, has collection container attached to condensate siphon, and provided with connection to blockable branching line
10/02/2003WO2003081144A1 High efficiency boiler
09/2003
09/17/2003EP1344994A2 Compact boiler
09/16/2003US6619951 Burner
09/10/2003CN1441211A Condensing heating furnace
08/2003
08/27/2003EP1338853A2 Thermal station with one or more highly-efficient gas-operated boilers
08/20/2003CN1436987A Dual-purpose vacuum apparatus for industrial afterheat power generation and flue gas dust collection
07/2003
07/23/2003EP1329673A1 Condensing boiler with means for reheating the exhaust gas, particularly for home system
07/17/2003DE20304946U1 A method for dividing a single boiler heat exchanger into high and low temperature outputs has a dividing wall making burner and hot gas heated sections.
07/02/2003CN1427225A Direct burning adsorption type cold and warm water machine set
06/2003
06/26/2003DE20220413U1 Useful output boiler has corrugated heat tubes run with turbulent flow profile, and heat exchanger tubes are of different lengths and in predetermined area arranged concentrically to one another
06/26/2003DE10211489C1 Calorific value heating boiler has feed and return coils connected to end plates of housing which have water connections
05/2003
05/07/2003CN1415902A Heating system with electric heat pump by using latent heat in flue gas of gas fired boiler and oil burning boiler
05/07/2003CN1415901A Heating system with electric heat pump by use of recycling latent heat in flue gas of gas fired boiler and oil burning boiler
04/2003
04/30/2003CN1414321A Deep utilization of heat energy in exhaust gas and method of using its aqueous vapour as natural resources
04/30/2003CN1414320A Heating apparatus utilizing aqueous vapour latent heat in fuel gas, fuel oil boiler exhaust gas
04/24/2003WO2003033970A1 Improved heating system
04/17/2003US20030070672 Condensate drainage system for an outdoor condensing furnace
04/16/2003CN2545532Y Water heating type exhaust gas energy-saving heat exchanger
04/09/2003EP1300636A2 Heat exchanger for a gas fired heater, especially a condensing boiler
03/2003
03/25/2003US6536378 Apparatus for evacuating condensation from furnace pipe systems
03/04/2003US6527005 Condensate bypass apparatus
03/04/2003CA2356588A1 Water heating apparatus with sensible and latent heat recovery
02/2003
02/26/2003CN2537930Y Recovering device for chimeny waste heat
02/20/2003US20030034154 Condensing heat exchanger formed of norbornene polymer
02/13/2003US20030029607 Black layer coated heat exchanger
02/13/2003US20030029606 Method of making a condensing heat exchanger by direct extrusion coating of a film
02/05/2003EP1281919A2 High efficiency spiroidal heat exchanger for heating and/or production of sanitary hot water
01/2003
01/29/2003EP1279903A2 Heat exchanger for a gas heater, esp. for a condensing boiler
01/22/2003EP1278025A2 Heat exchanger for a gas fired heater, especially a condensing boiler
01/09/2003US20030005892 Water heater with continuously variable air and fuel input
01/08/2003EP1273853A2 Heater
12/2002
12/19/2002DE10101426A1 Combustion boiler hydraulic arrangement has three-way mixer immediately after boiler for hydraulically, thermally undisturbed heating system operation, drinking water heater before mixer
12/18/2002EP1267134A2 A condensing boiler
12/12/2002WO2002070956A3 Condensation heat exchanger, in particular for a boiler
11/2002
11/27/2002CN2522802Y Direct-burning type absorbing type water-cooling-heating machine group
11/20/2002CN1380524A Plateau type high-efficiency environment-protecting integrated condensation gas boiler and its design method
11/14/2002US20020166587 Condensate bypass apparatus
11/14/2002DE10121635A1 Aluminium-Heizpatrone für eine Heizeinrichtung und Verschleißerkennungsverfahren Aluminum heating element for heating and wear detection method
11/14/2002DE10120130A1 Oil-fired boiler uses gasification burner with air and industrial water preheater with heat exchangers to cool down exhaust gases to condense water vapour for return to waste water pipe
11/07/2002DE10118338A1 Hot water radiator return feed has thermostat valve with negative temperature feed profile preventing return of hot water
11/06/2002EP1255086A2 Aluminium heat exchanger for heating installation and method for wear detection
10/2002
10/31/2002WO2002086394A1 Condensing boiler
10/31/2002DE10120966A1 Wall-mounted gas boiler is structured to be fueled by hydrogen gas, with preheating of the combustion air around the housing into the mixing chamber, for heating without giving damaging environmental emissions
10/31/2002DE10119402A1 Wärmezelle eines Heizgerätes Heat cell of a heater
10/24/2002DE10118337A1 Heater with boiler contains combustion chamber, heat-transmitter, condensation collector, pump, discharge pipe, and check valve
10/23/2002EP1251319A2 Heat cell of a heating apparatus
10/02/2002DE10111073A1 Condensation boiler comprises controller to ensure that siphon filling program is activated after certain time period so that condensation generation processes are not initiated too early or too late
09/2002
09/25/2002EP1243866A1 Heat exchanger in a condensation boiler
09/25/2002CN1370964A Heat exchanger of condensing boiler
09/12/2002WO2002070956A2 Condensation heat exchanger, in particular for a boiler
09/12/2002DE10053360C2 Heizkessel, insbesondere Brennwertheizkessel Boilers, in particular condensing boilers
08/2002
08/22/2002US20020115036 Apparatus for evacuating condensation from furnace pipe systems
08/15/2002US20020108607 Freeze resistant method for draining furnace condensate in low temperature environments
08/07/2002CN2504557Y Heating appts. of recovering and utilizing vapour heat from fume of gas boiler and fuel boiler
08/07/2002CN2504556Y Heating appts. for utilizing vapour heat from fume of gas boiler and fuel boiler
08/07/2002CN2504555Y Heating appts. for recovering and utilizing vapour heat from fume of gas boiler and fuel boiler
07/2002
07/18/2002US20020092482 Burner
07/18/2002DE10100731A1 Burner assembly, with a heat exchanger, has a thermal barrier integrated into the heat exchange to take up heat and give an abrupt change to the exhaust gas density for stable starting
06/2002
06/27/2002WO2002050480A1 Heat exchanger apparatus
06/11/2002US6401669 Condensing boiler
06/06/2002DE10146368A1 Wärmetauscher Heat exchanger
05/2002
05/28/2002CA2028485C Vapor pump employing counterflow exchange between air and combustion products without an intermediate fluid
05/08/2002DE10053360A1 Heating boiler, especially calorific value boiler, has inner end of water-carrying peripheral wall connected to rear wall, peripheral wall outer return end connected to boiler's return port
04/2002
04/18/2002DE10048930A1 Combustion chamber with compact heat exchanger with condensing operation for water heaters has condensate-resistant erosion-proof stainless foil cover for heat exchanger
04/17/2002CN2486845Y New thickened oil heater
04/04/2002DE10043870A1 Water heating boiler has a spirally wound heat exchanger with corrugated section walls through which the burner waste gases are fed to preheat the water
03/2002
03/07/2002DE10041258A1 Useful-heat heater with heat exchanger has exhaust gas and condensate collecting bath passing directly through channel in its side wall to exhaust connection
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