Patents for F22D 1 - Feed-water heaters, e.g. preheaters (2,641)
03/1981
03/10/1981CA1097334A1 Multitubular heat exchanger used in a power plant
02/1981
02/10/1981US4249485 Feed water preheater
11/1980
11/18/1980CA1089778A1 Furnace flue apparatus for improved fly ash separation
10/1980
10/07/1980US4226283 Multitubular heat exchanger
09/1980
09/30/1980US4224981 Feed-water heater for steam power plants
09/23/1980CA1086302A1 Heat exchanger construction
08/1980
08/26/1980US4219077 Multitubular heat exchanger used in a power plant
06/1980
06/17/1980US4207842 Mixed-flow feedwater heater having a regulating device
06/03/1980US4205632 Feedwater preheater with device for separating moisture from moisture-bearing steam
05/1980
05/13/1980US4202280 Furnace flue apparatus for improved fly ash separation
04/1980
04/15/1980US4198378 Process for removing CO2, H2 S and other gaseous impurities from gaseous mixtures
01/1980
01/15/1980US4183331 Forced circulation steam generator
01/08/1980US4182276 Economizer for smoke tube boilers for high pressure steam and hot water
12/1979
12/04/1979CA1067484A1 Economizer
11/1979
11/13/1979US4173949 Feedwater preheat corrosion control system
04/1979
04/24/1979CA1053097A1 Feedwater heater
02/1979
02/13/1979US4138969 Heat exchanger and economizer
01/1979
01/30/1979US4136734 Feedwater heater
11/1978
11/07/1978US4123995 Hot water or steam boiler
10/1978
10/31/1978US4122801 Waste energy hot water heater
10/17/1978US4120267 Tube and plate heat exchanger
10/17/1978CA1040495A1 Hot water or steam boiler
05/1978
05/16/1978US4089304 Apparatus for supplying feedwater to a steam generator
05/09/1978US4087985 Apparatus and method for thermal power generation
04/1978
04/18/1978US4084546 Heat exchanger
03/1978
03/28/1978US4080789 Steam generator
03/21/1978US4079702 Economizer utilizing exhaust gas
12/1977
12/27/1977US4065056 Method and device for thermally controlling a utilization unit fed by a condensable vapor distributing system
12/13/1977US4062661 Diffuser for finely dividing a liquid, particularly water to be degassed
11/1977
11/29/1977US4060124 Feedwater preheater with two steam chambers
11/08/1977US4057103 Feedwater preheater with two steam chambers
09/1977
09/20/1977US4048962 Water tank heated by smoke from a furnace
09/13/1977US4047562 Heat exchanger utilizing a vaporized heat-containing medium
08/1977
08/23/1977US4043014 Method of making a waste flue heat recovery device
07/1977
07/26/1977US4037567 Water heating system including recycle loop
06/1977
06/28/1977US4031862 Heat exchanger for hot flue gases, layer of graphite or carbon
03/1977
03/15/1977US4011904 Combination heat exchanger and blower
08/1976
08/10/1976US3973402 Cycle improvement for nuclear steam power plant
03/1976
03/02/1976US3941099 Steam generator assembly for pressurized water reactors with a straight tube bundle and a partial flow preheater traversible by pressurized water
02/1976
02/17/1976US3938588 Deaerating feedwater heater
01/1976
01/27/1976US3934799 High-capacity steam heating system
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