| Patents for F22D 11 - Feed-water supply not provided for in other main groups (1,262) |
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| 10/29/1997 | CN1163369A Chemical operation mode for water/steam circulation |
| 10/22/1997 | CN2265479Y Boiler water back flowing device |
| 10/09/1997 | WO1997037135A1 Rankine cycle boiler feed via hydrokinetic amplifier |
| 10/09/1997 | CA2250514A1 Rankine cycle boiler feed via hydrokinetic amplifier |
| 10/01/1997 | EP0798469A1 Device for feeding pressurised water to the water source of a steam injector |
| 09/23/1997 | US5669220 Method and device for operating the water/steam cycle of a thermal power station |
| 08/27/1997 | CN1157892A Cleaning of water/steam circuit in once-through forced-flow steam generator |
| 08/12/1997 | US5655888 Pump and combination pump and trap with snap-over mechanism and double-seal outlet valve |
| 07/02/1997 | EP0781960A2 Purification of a water-steam cycle in an once-through steam generator |
| 06/04/1997 | EP0777036A1 Chemical operation of a water-steam cycle |
| 03/18/1997 | US5611673 Vacuum jet pump for recovering a mixed fluid of gas and liquid condensates from steam-using apparatus |
| 08/28/1996 | EP0458981B1 Deoxidizer for boiler and method of removing dissolved oxygen from boiler water |
| 07/10/1996 | CN1126280A Pump and over-center snap link |
| 07/09/1996 | US5533337 Feed water supply system of power plant |
| 05/30/1996 | WO1996016250A1 Thermal energy differential power conversion apparatus |
| 05/28/1996 | US5519998 Apparatus for introducing feed water into a combined-cycle power station |
| 05/01/1996 | EP0709607A2 Pump and over-center snap link |
| 04/30/1996 | US5511950 Vacuum pumps for recovering condensates from steam-using apparatus |
| 04/24/1996 | EP0708295A1 Apparatus for forming protective films in water feed pipes of boiler |
| 11/22/1995 | CN2213278Y Condensate recovering equipment for steam boiler |
| 11/02/1995 | EP0679836A1 Steam cycle |
| 09/26/1995 | US5452580 Thermal energy differential power conversion apparatus |
| 08/16/1995 | CN1106906A Arrangement for introducing the feed water into a combined-cycle power station |
| 07/05/1995 | EP0661416A1 Process and apparatus for treating the cooling water of power plants |
| 07/05/1995 | CN1104744A Feed water supply system of power plant |
| 06/14/1995 | EP0657626A1 Feedwater supply arrangement in a combined cycle power plant |
| 05/30/1995 | USRE34957 Leak proof, preloaded, high-biasing force float-operated over-center valve actuating mechanism |
| 05/10/1995 | EP0424420B1 Process for preparing bitumen-rubber compositions |
| 04/27/1995 | DE4336237A1 Process and device for controlling feed and discharge |
| 04/18/1995 | US5407582 Method of treating power generating plant condensate |
| 04/05/1995 | CN1101212A Process and device for operating the water-steam circuit of a thermoelectric power station |
| 03/01/1995 | EP0640747A1 Boiler system pH/phosphate program control method |
| 02/28/1995 | US5392739 Steam-raising system |
| 02/15/1995 | EP0522161B1 Corrosion inhibitor for steam and condenser system and corrosion inhibition method therefor |
| 01/18/1995 | EP0633978A1 Process and device for operating the water-steam circuit of a thermoelectric power station |
| 01/11/1995 | CN2187256Y Enclosed high-temp. condensate transfer apparatus |
| 12/06/1994 | US5370085 Steam generator with porous partitions |
| 12/06/1994 | US5369950 Method for operating a gas and steam turbine system, and gas and stream turbine system operating by the method |
| 09/07/1994 | EP0613526A1 Preloaded over-center valve actuating mechanism |
| 08/04/1994 | WO1994017286A1 Process and device for operating the water-steam circuit of a thermoelectric power station |
| 06/29/1994 | EP0604390A2 Method for feeding a multiple pressure steam generator and feed pump |
| 06/28/1994 | US5323736 Steam generator with device for the distribution of feed water and recirculation water in the secondary part |
| 05/18/1994 | CN1086875A Method for operating of gas and steam turbine and apparatus operated with same |
| 04/12/1994 | US5302321 Adding vitamin A |
| 03/15/1994 | US5293842 Method for operating a system for steam generation, and steam generator system |
| 02/16/1994 | EP0582898A1 Method of operating a steam and gas turbine system and system for carrying out the method |
| 12/29/1993 | EP0576281A2 A steam-raising system |
| 11/23/1993 | US5264179 Scavengers comprising starch derivatives |
| 11/16/1993 | US5262091 Steam injector system |
| 11/03/1993 | EP0568434A1 Distributing and partitioning device for feed and recirculation water in the secondary side of a steam generator |
| 10/31/1993 | CA2092931A1 Method of treating power generating plant condensate |
| 10/29/1993 | CA2094882A1 Steam generator with device for the distribution of feed water and recirculation water in the secondary part |
| 10/26/1993 | CA1323677C Concentration cycles, percent life holding time and continuous treatment concentration monitoring in boiler systems by inert tracers |
| 10/05/1993 | CA2017670C Standby cooling system for a fluidized bed boiler |
| 09/22/1993 | EP0561220A1 Process for operating a steam generating system and steam generator |
| 09/21/1993 | US5246633 Device for collecting used steam |
| 07/21/1993 | CN1074524A Self-equilibrating positive-pressure enclosed-circulation heat-exchanging system for steam boilers |
| 07/08/1993 | WO1993013357A1 Chemical fluid supply controller of boiler |
| 06/27/1993 | CA2085560A1 Combined boiler feed and condensate pump |
| 06/01/1993 | US5215448 Combined boiler feed and condensate pump |
| 05/27/1993 | WO1993010350A1 Preloaded over-center valve actuating mechanism |
| 05/05/1993 | CN1020495C Improved system for routing preseparator drains |
| 04/06/1993 | US5199263 Combustion system with reduced sulfur oxide emissions |
| 03/02/1993 | US5189873 Combined cycle power plant with water treatment |
| 01/13/1993 | EP0522161A1 Corrosion inhibitor for steam and condenser system and corrosion inhibition method therefor |
| 11/25/1992 | EP0514914A2 Steam injector system |
| 10/06/1992 | US5152252 Water treatment control system for a boiler |
| 08/25/1992 | US5141405 Leak proof, preloaded, high-biasing force float-operated over-center valve actuating mechanism |
| 07/21/1992 | US5132019 Method of removing corrosion products in a water circulation system |
| 07/14/1992 | US5129366 Deaeration system for a boiler |
| 06/16/1992 | CA1303441C Heat reclaiming system |
| 04/15/1992 | CN1060335A Deaerator heat exchanger for combined cycle power plant |
| 03/24/1992 | CA1297684C Steam driving force installation used for the production of steamform salt raw water |
| 03/18/1992 | EP0475212A2 Combined cycle power plant |
| 03/17/1992 | US5095706 Start-up method of steam turbine plant and condenser employed for said method |
| 03/10/1992 | US5094814 All-volatile multi-functional oxygen and carbon dioxide corrosion control treatment for steam systems |
| 02/20/1992 | WO1992002761A1 Condenser operation with isolated on-line test loop |
| 01/28/1992 | US5083606 Structure and method for on-line inspection of condenser tubes |
| 01/21/1992 | CA1294672C Monitoring and controlling avt (all volatile treatment) and other treatment programs for high pressure boilers via the conductivity control method |
| 01/02/1992 | EP0463714A1 Multi-functional oxygen and carbon dioxide corrosion control treatment for steam systems |
| 12/04/1991 | EP0458981A1 Deoxidizer for boiler and method of removing dissolved oxygen from boiler water |
| 11/12/1991 | US5064117 Domestic boiler feed water gravity supply |
| 11/06/1991 | EP0455330A2 Deaeration system for a boiler |
| 10/29/1991 | US5060600 Condenser operation with isolated on-line test loop |
| 10/01/1991 | WO1991015612A1 Corrosion inhibitor for steam and condenser system and corrosion inhibition method therefor |
| 10/01/1991 | CA2069952A1 Anticorrosive agent of steam and condenser systems and anticorrosive method of steam and condenser systems |
| 09/24/1991 | US5050540 Method of gas blanketing a boiler |
| 08/20/1991 | US5041386 Concentration cycles, percent life holding time and continuous treatment concentration monitoring in boiler systems by inert tracers |
| 06/21/1991 | WO1991009154A1 Deoxidizer for boiler and method of removing dissolved oxygen from boiler water |
| 05/02/1991 | EP0424420A1 Process for preparing bitumen-rubber compositions. |
| 04/03/1991 | EP0419839A2 Deaerator heat exchanger for combined cycle power plant |
| 01/10/1991 | DE3920559A1 Enclosed steam system with in-built steam generator - for several steam consumers of ironing unit,, in which condensate is led back into steam boiler |
| 12/18/1990 | CA1277877C Device for degassing the condensate in the cycle of an electricity generating plant |
| 12/12/1990 | EP0402169A1 Protecting components of fluidised bed boilers |
| 11/14/1990 | CN2065717U Axial motion reducing device for boiler water pump |
| 10/09/1990 | US4961311 Deaerator heat exchanger for combined cycle power plant |
| 09/25/1990 | US4958679 Condenser for the water-steam loop of a power plant, in particular a nuclear power plant |
| 09/25/1990 | CA1274603A1 Intelligent chemistry management system |
| 07/31/1990 | US4944251 Condensate return tanks |
| 07/17/1990 | US4941973 Magnetic attracting means for removal of iron oxides |