| Patents for F22D 5 - Controlling water feed or water level; Automatic water feeding or water-level regulators (791) |
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| 06/01/1988 | EP0269377A2 Full range nuclear power plant steam generator level control system |
| 06/01/1988 | EP0147407B1 Steam generator control systems |
| 03/09/1988 | EP0258358A1 Steam generator. |
| 03/01/1988 | US4728481 Full range nuclear power plant steam generator level control system |
| 10/13/1987 | CA1227987A1 Float valve control |
| 10/07/1987 | EP0239822A2 Device for producting steam and hot water |
| 09/24/1987 | WO1987005681A1 Steam generator |
| 08/19/1987 | CN86208031U Low level automatic water feeding unit with stable pressure |
| 07/22/1987 | CN86100109A Apparatus for controlling primary water level of boile drum |
| 05/05/1987 | US4662390 Water level controller for a boiler |
| 04/23/1987 | DE3627988A1 Small steam generator for industry and household |
| 03/31/1987 | US4654190 Emergency feedwater system for steam generators of a nuclear power plant |
| 03/24/1987 | US4651530 Method and apparatus for feed-water control in a steam generating plant |
| 03/17/1987 | US4650633 Method and apparatus for protection of pump systems |
| 03/04/1987 | CN86203976U Draw water derice for water spray of low vacuum oxygen remover |
| 10/28/1986 | US4619224 Apparatus for controlling drum water level of drum type boiler |
| 10/15/1986 | EP0197041A1 Combustion and feedwater controller for a flash boiler |
| 08/12/1986 | US4605038 Float valve control |
| 07/23/1986 | CN85103521A Controlling method of boiler using coal in which heat can be accumulated |
| 06/10/1986 | US4593654 Combustion and feedwater controller for a flash boiler |
| 04/23/1986 | EP0178750A2 Method of operating a positive displacement pump |
| 04/10/1986 | WO1986002141A1 Combustion and feedwater controller for a flash boiler |
| 02/19/1986 | EP0171809A2 Apparatus for controlling drum water level of drum type boiler |
| 11/12/1985 | US4552099 Anticipatory boiler feedpump suction head controller system |
| 11/05/1985 | US4551796 Liquid level control system for vapor generator |
| 10/09/1985 | EP0157571A2 Emergency feedwater system for steam generators of a nuclear power plant |
| 09/17/1985 | US4541365 Method and apparatus for supplying feedwater to a forced flow boiler |
| 09/10/1985 | CA1193157A1 Boiler loading system |
| 08/06/1985 | CA1191400A1 Power generation |
| 07/30/1985 | CA1191231A1 Nuclear power plant feedwater controller design |
| 07/10/1985 | EP0147407A1 Steam generator control systems. |
| 02/05/1985 | US4497283 Boiler control |
| 01/01/1985 | US4491146 Liquid level control |
| 12/06/1984 | WO1984004797A1 Steam generator control systems |
| 10/23/1984 | US4478783 Nuclear power plant feedwater controller design |
| 09/11/1984 | CA1174331A1 Control apparatus for use in multiple steam generator or multiple hot water generator installations |
| 07/17/1984 | CA1171157A1 Single probe low water control |
| 07/03/1984 | US4457266 Boiler control |
| 04/03/1984 | US4440114 Bias bellows for thermohydraulic feedwater regulator |
| 02/07/1984 | US4430512 Water, ducts, valves, magnets, detectors, sampling, floats, pumps |
| 01/03/1984 | US4424186 Power generation |
| 12/06/1983 | US4418541 Boiler loading system |
| 09/06/1983 | US4403293 Control apparatus for use in multiple steam generator or multiple hot water generator installations |
| 08/30/1983 | CA1152759A1 Method of and system for controlling drain water level of feed-water heater |
| 06/15/1983 | EP0081377A1 Control systems for power plant feedwater systems |
| 03/22/1983 | CA1143421A1 Device for controlling evaporation of a liquid |
| 02/15/1983 | CA1141257A1 Method and system for controlling the fluid level in a drain tank |
| 01/18/1983 | US4368773 Boiler feed pump turbine control system |
| 01/11/1983 | US4367628 Low chemical concentrating steam generating cycle |
| 12/22/1982 | EP0067497A2 Feedwater control system |
| 11/23/1982 | US4360738 Single probe low water control |
| 10/12/1982 | US4353204 Method of water level control for a combined cycle power plant and control system therefor |
| 09/16/1982 | WO1982003133A1 Control apparatus for use in multiple steam generator or multiple hot water generator installations |
| 08/24/1982 | US4345438 Deaerator level control |
| 06/29/1982 | US4336825 Liquid level control system |
| 06/15/1982 | US4334955 Base plate moves between two microswitches connected to a control circuit |
| 03/30/1982 | CA1120798A1 Method and apparatus for feeding condensate to a high pressure vapor generator |
| 01/19/1982 | US4311013 Method of controlling condensation system of steam plant |
| 12/29/1981 | CA1115145A1 Method and device for feeding a system for generating and distributing vapor condensable into make-up liquid |
| 11/03/1981 | US4298019 Method and system for controlling the fluid level in a drain tank |
| 09/17/1981 | WO1981002618A1 Method and installation for regeneration oil polluted condensed water and for recuperating the residual heat of said condensed water |
| 07/14/1981 | US4278051 Method of preventing recirculation pump cavitation and forced recirculation pump type steam-generating apparatus using the method |
| 07/14/1981 | US4277944 Method and apparatus for regeneratively superheating auxiliary steam |
| 07/08/1981 | EP0031711A1 Method and system for controlling the fluid level in a drain tank |
| 06/23/1981 | US4275447 Method of regulation of the water level in boilers or steam generators |
| 05/12/1981 | CA1101104A1 System for multi-mode control of a boiler feedpump turbine |
| 04/14/1981 | US4261301 Temperature holding device for water collecting vessels of once-through steam generators |
| 03/25/1981 | EP0025535A2 Apparatus for controlling the evaporation of a liquid |
| 03/24/1981 | US4257160 Two-bladed safety razor |
| 01/06/1981 | US4242989 Boiler level control system |
| 01/06/1981 | US4242988 Method and device for transferring condensates from a low pressure network into a high pressure network in a system of generation, distribution and utilization of condensable vapor |
| 11/04/1980 | CA1088823A1 Method and device for feeding a system of generation and distribution of vapour condensable into make-up liquid |
| 10/14/1980 | US4227489 Method and device for feeding a system for generating and distributing vapor condensable into make-up liquid |
| 09/23/1980 | CA1086402A1 Vertical float switch |
| 07/22/1980 | CA1082057A1 Boiler feed water pump control systems |
| 06/03/1980 | US4205633 Device for separating water and steam in a once-through steam generator |
| 01/23/1980 | EP0006927A1 Method and apparatus for feeding condensate to a high pressure vapor generator |
| 01/01/1980 | CA1069000A Steam generator provided with a combustion chamber or heated by gas |
| 12/12/1979 | EP0006040A2 Process for regulating the water level in steam boilers or steam generators |
| 12/11/1979 | US4177767 Method and device for feeding a system of generation and distribution of vapor condensable into make-up liquid |
| 11/06/1979 | US4173124 Boiler feed water pump control systems |
| 08/28/1979 | US4165718 Method and apparatus for feeding condensate to a high pressure vapor generator |
| 04/19/1979 | WO1979000202A1 Method and apparatus for feeding condensate to a high pressure vapor generator |
| 05/02/1978 | US4087860 System for multi-mode control of a boiler feedpump turbine |
| 03/28/1978 | US4080789 Steam generator |
| 01/03/1978 | US4066858 Vertical float switch |
| 09/27/1977 | US4050418 Control system for steam generator |
| 06/14/1977 | US4029056 Compact indirect heating vapor generator |
| 08/03/1976 | US3972654 Diaphragm pump boiler feed water system |
| 03/16/1976 | US3944785 Electrode boiler with automatic control |
| 02/10/1976 | US3937920 Method of operating an electrode-type water-vapor generator |