| Patents for F22B 35 - Control systems for steam boilers (1,832) |
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| 04/20/1995 | WO1995010733A1 Supercritical steam pressurized circulating fluidized bed boiler |
| 04/20/1995 | WO1995010643A1 Controlling crevice chemistry in a pressurized water reactor steam generator |
| 04/18/1995 | US5406915 Steam generation system mass and feedwater control system |
| 03/29/1995 | EP0645581A2 Multi-stage combustion system for externally fired power plants |
| 03/21/1995 | US5398644 Temperature measurement at evaporator outlet |
| 03/14/1995 | US5397534 Detecting pH in water reactor steam generator with sodium, chlorine, calcium and sulfate and silica |
| 03/14/1995 | US5396865 Startup system for power plants |
| 02/28/1995 | US5392739 Steam-raising system |
| 02/22/1995 | EP0639253A1 Forced-flow steam generator. |
| 01/25/1995 | EP0635113A1 Steam generating process in a forced flow-through boiler |
| 01/19/1995 | DE4321619A1 Method for starting up power station (electrical generatoring station, power plant) systems after a total failure of steam generation |
| 01/18/1995 | EP0634606A2 Superheated vapor generator and control system and method |
| 12/13/1994 | CA2055323C Supercritical pressure boiler with separator and recirculating pump for cycling service |
| 11/02/1994 | CN1094493A 废热锅炉 Waste heat boiler |
| 11/01/1994 | US5361284 Tube corrosion accelerator |
| 09/28/1994 | EP0617230A1 Waste heat boiler |
| 09/20/1994 | US5347958 Heat recovery apparatus and an improved heat recovery method |
| 08/24/1994 | EP0481002A4 Method of retrofitting existing power plants |
| 08/18/1994 | WO1994018498A1 Steam generating process in a forced flow-through boiler |
| 08/11/1994 | DE4404272A1 Process for operating installations and system for controlling the operation of installations |
| 08/10/1994 | CN2173902Y Auto-controlled fuel oil boiler |
| 08/02/1994 | US5333574 Compact boiler having low NOX emissions |
| 07/27/1994 | EP0607190A1 Temperature measurement at evaporator outlet. |
| 07/27/1994 | CN2172833Y Fire-control linkage system for boilers |
| 07/07/1994 | WO1994015074A1 Method and device for partial-load operation of a once-through boiler |
| 06/21/1994 | US5322087 Discharge system for combustion gases |
| 06/08/1994 | CN2168167Y Safety automatic interlocking protective device for middle-small-size boiler |
| 05/04/1994 | CN1086299A Forced circulating steam generator |
| 05/03/1994 | CA1329269C Steam quality monitoring means and method |
| 04/19/1994 | US5303678 Process for low-pollutant combustion in a power station boiler |
| 03/16/1994 | CN2158964Y Safety controller for boiler |
| 02/08/1994 | CA1326793C Process of controlling the production of water vapor in a combustion plant |
| 02/02/1994 | EP0580798A1 Steam generation system mass and feedwater control system |
| 01/18/1994 | US5279263 Cascaded steam temperature control applied to a universal pressure boiler |
| 01/11/1994 | US5278772 Real-time economic load allocation |
| 12/29/1993 | EP0576281A2 A steam-raising system |
| 12/08/1993 | EP0573140A2 Real-time economic load allocation |
| 12/02/1993 | DE4217626A1 Forced flow steam generator |
| 11/11/1993 | WO1993022599A1 Forced-flow steam generator |
| 11/10/1993 | EP0568822A2 Energy supply system |
| 11/09/1993 | US5259342 Method and apparatus for low NOX combustion of gaseous fuels |
| 11/07/1993 | CA2093472A1 Real-time economic load allocation |
| 10/05/1993 | US5249551 Steam generation system mass and feedwater control system |
| 09/23/1993 | DE4207667A1 Heat power machine with exhaust gas heat exchanger - has inner cover of heat exchanger forming part of exhaust gas channel of gas turbine and is axially displaceable |
| 09/15/1993 | EP0560263A2 Distributed control system |
| 08/24/1993 | US5237816 Steam generator control systems |
| 06/30/1993 | EP0549522A1 Method of operating a forced circulation steam generator and forced circulation steam generator therefor |
| 06/02/1993 | EP0544615A1 Method of operating a once-through steam generator with low load recirculation |
| 05/26/1993 | EP0543155A1 Method for a low-pollutant combustion in a power plant boiler |
| 05/22/1993 | CA2081443A1 Process for low-pollutant combustion in a power station boiler |
| 04/20/1993 | CA1316413C Internal circulating fluidized bed type boiler and method of controlling the same |
| 04/01/1993 | WO1993006416A1 Temperature measurement at evaporator outlet |
| 03/24/1993 | EP0533282A1 A discharge system for combustion gases |
| 03/02/1993 | US5189988 Process for starting up a heat exchanger system for steam generation and heat exchanger system for steam generation |
| 02/10/1993 | EP0369004B1 Internal circulation type fluidized bed boiler and method of controlling same |
| 12/22/1992 | US5172654 Microprocessor-based boiler controller |
| 10/29/1992 | WO1992018808A1 Steam generation system mass and feedwater control system |
| 10/28/1992 | CN1018855B Power unit control method and power unit control system |
| 10/14/1992 | CN1018669B Boiler automatic controller |
| 10/07/1992 | EP0507730A1 Apparatus for the load-dependent regulation of the feedwater flow in a forced circulation steam generator |
| 09/29/1992 | US5151256 Coal combustion apparatus provided with a denitration |
| 06/30/1992 | CA1304471C Firing rate control system for a fuel burner |
| 06/17/1992 | CN1062028A Optimizing controller of boiler |
| 06/17/1992 | CN1062027A Electromechanical integration controller of thermally producing boiler in oil field |
| 04/29/1992 | CN1016457B Advanced steam temp. control |
| 04/22/1992 | EP0481002A1 Method of retrofitting existing power plants |
| 04/08/1992 | EP0479022A1 Multiple pass steam generator |
| 03/25/1992 | CA2052005A1 Universal waterfeeder control circuit |
| 03/11/1992 | EP0474622A1 Starting method for a stream-generating heat exchanger system and heat exchanger system for generating steam |
| 03/04/1992 | CN2097955U Electric heat steam generator |
| 02/28/1992 | CA2049815A1 Process for starting up a heat exchanger system for steam generation and heat exchanger system for steam generation |
| 02/26/1992 | CN1015655B Photoelectrical autocontrolling pressure apparatus for boiler |
| 10/15/1991 | US5056468 Steam generator |
| 10/02/1991 | CN1055048A 锅炉自控仪 Boiler-controlled instrument |
| 09/24/1991 | CA1289425C Steam temperature control using modified smith predictor |
| 09/17/1991 | US5050108 Method for extending the useful life of boiler tubes |
| 09/17/1991 | US5048466 Supercritical pressure boiler with separator and recirculating pump for cycling service |
| 09/11/1991 | EP0292521B1 Fluid system |
| 09/03/1991 | US5045272 Fluid temperature balancing system |
| 08/27/1991 | US5042431 Multiple boiler control system and method of operation |
| 08/20/1991 | US5040470 Steam generating system with NOx reduction |
| 08/13/1991 | CA1287676C Method of control of steam quality from a steam generator |
| 08/07/1991 | EP0439765A1 Steam generator |
| 08/01/1991 | CA2035198A1 Steam generator |
| 07/02/1991 | US5027751 Method and apparatus for optimized boiler operation |
| 06/05/1991 | EP0430857A2 Method for extending the useful life of boiler tubes |
| 06/04/1991 | US5020479 Watertube boiler and its method of combustion |
| 05/29/1991 | CN2077950U Pressure protector for steam boiler |
| 05/14/1991 | CA1284194C Economical dispatching arrangement for a boiler system having a cogenerative capability |
| 03/26/1991 | US5002484 Method and system for flue gas recirculation |
| 03/26/1991 | US5002121 Device at the output side of a gas turbine |
| 03/20/1991 | CN2073542U Pressure confining automatically wind stopping devices for boiler |
| 02/06/1991 | EP0411013A1 Automatic steam generator control at low power |
| 02/05/1991 | CA1279766C Method and apparatus for improved start-up procedures in conventional steam power generators and dual fluid cheng cycle engines |
| 01/23/1991 | EP0333728B1 Utility steam generator with self-controlled pressure more particularly for little household electric appliances |
| 01/21/1991 | WO1991001469A1 Power plant and method of retrofitting existing power plants |
| 01/21/1991 | CA2065042A1 Power plant and method of retrofitting existing power plants |
| 01/16/1991 | EP0407668A1 Steam quality monitoring means |
| 01/01/1991 | US4981087 Method for regulating the furnace output in incineration plants |
| 12/27/1990 | CA1278357C Advanced steam temperature control |