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| Number | Title | Issue Date |
| 8132410 | Methods and systems for the production of hydrogen Methods and systems are disclosed for the production of hydrogen and the use of high-temperature heat sources in energy conversion. In one embodiment, a primary loop may include a nuclear reactor utilizing a molten salt or helium as a coolant. The nuclear reactor ma... | 03/13/2012 |
| 7997078 | Operation method of nuclear power plant In a nuclear power plant, thermal power in a second operation cycle of a nuclear reactor is uprated from thermal power in a first operation cycle preceding the second operation cycle by at least one operation cycle. A proportion of steam extracted from a steam syste... | 08/16/2011 |
| 7617680 | Power generation using low-temperature liquids Methods and systems are disclosed for generating power though the use of thermodynamic engines and low-temperature liquids. A liquid cryogen maintains a temperature differential with a heat source across a thermodynamic engine. The thermodynamic engine is run to con... | 11/17/2009 |
| 7614233 | Operation method of nuclear power plant In a nuclear power plant, thermal power in a second operation cycle of a nuclear reactor is uprated from thermal power in a first operation cycle preceding the second operation cycle by at least one operation cycle. A proportion of steam extracted from a steam syste... | 11/10/2009 |
| 7596947 | Gas turbine plant A gas turbine plant, wherein a plurality of first gas turbines positioned coaxially with compressors and a second gas turbine positioned coaxially with a generator are rotated by a coolant heated by heat energy provided by the fission of a coated particle fuel. A fl... | 10/06/2009 |
| 7342989 | Apparatuses and methods for mechanical shielding and cooling A transport or storage cask comprises a cask body, a modular thermal conducting and shielding system and a mechanical attachment. The modular thermal conducting and shielding system includes a modular fin and a modular neutron shield. The mechanical attachment retai... | 03/11/2008 |
| 7043917 | Nuclear power plant with universal Carnot cycle turbine An efficient turbine system that preferably utilizes nuclear thermal energy in a unique combined Carnot cycle and Rankine cycle in a closed cogenerative and regenerative cycle with a condensible working fluid heated by the nuclear thermal energy and delivered to eac... | 05/16/2006 |
| 7040095 | Method and apparatus for controlling the final feedwater temperature of a regenerative rankine cycle This invention relates to a method and apparatus for controlling the final feedwater temperature associated with a regenerative Rankine cycle, said cycle commonly used in thermal systems such as conventional power plants. This invention involves the placement of a n... | 05/09/2006 |
| 6810100 | Method for treating power plant heater drain water Oxygen is mixed with heater drain water of power plant which contains fine particles of iron oxides such that the concentration of the dissolved oxygen in the heater drain water after the mixing of oxygen is in a range from 1 μg/liter to 20 μg/liter. The obtained ... | 10/26/2004 |
| 6768781 | Methods and apparatuses for removing thermal energy from a nuclear reactor Methods and apparatuses are provided for removing thermal energy from a nuclear reactor, which are fault tolerant. The apparatus includes at least one heat pipe configured to absorb thermal energy produced by the nuclear reactor. In addition, the apparatus includes ... | 07/27/2004 |
| 6742336 | Steam turbine power plant A steam turbine power plant comprises a high-pressure turbine to be driven by steam generated by a steam generator, a first reheater for separating moisture from steam discharged from the high-pressure turbine and heating the steam, an intermediate-pressure turbine ... | 06/01/2004 |
| 6674830 | Nuclear reactor plant The subject of the present invention is to provide a nuclear reactor plant of which is a direct cycle nuclear reactor using a carbon dioxide as a coolant such that a heat evacuation for liquefying coolant is reduced while a compressive work is reduced by ... | 01/06/2004 |
| 6497102 | Method for supplementing a saturated steam generation system having at least one steam turbine set, and steam power plant supplemented using the method A saturated steam generation system is supplemented with at least one gas turbine set, at least one heat recovery steam generator, at least one topping steam turbine and at least one steam mixing component. The topping steam turbine is coupled to the gas ... | 12/24/2002 |
| 6290184 | Flying craft with water and air propulsion source A propulsion system for a flying craft uses an air and water fuel source to provide propulsion thrust. The system includes two steam generating units, one attached directly to a compact turbine and the other connected to a compressor. The compressor compr... | 09/18/2001 |
| 6183243 | Method of using nuclear waste to produce heat and power A method of using nuclear waste material and exploiting heat generated by radioactive decay of said radioactive waste, comprising the steps of incorporating solid nuclear waste into glass, ceramic, or cementitious blocks, covering the blocks in heat absor... | 02/06/2001 |
| 5896435 | Pressurized water supply device for a steam injector water source The injector (B) designed specifically to supply a steam generator (G) with water at high pressure when necessary, is supplied by steam that may originate from the generator itself, and by pressurized water from an ejector (C) supplied during the start up... | 04/20/1999 |
| 5526386 | Method and apparatus for steam mixing a nuclear fueled electricity generation system A method and apparatus for improving the efficiency and performance of a nuclear electrical generation system that comprises the addition of steam handling equipment to an existing plant that results in a surprising increase in plant performance. More par... | 06/11/1996 |
| 5457721 | Method and apparatus for improving the performance of a nuclear power electrical generation system A method and apparatus for improving the efficiency and performance a of nuclear electrical generation system that comprises the addition of steam handling equipment to an existing plant that results in a surprising increase in plant performance. More par... | 10/10/1995 |
| 5431016 | High efficiency power generation A closed-loop Brayton cycle (topping system) takes in heat energy at very high temperatures and rejects heat energy as input heat energy to a closed-loop Rankine cycle (base system). Heat energy input to the base system comes partially or solely from the ... | 07/11/1995 |
| 5335252 | Steam generator system for gas cooled reactor and the like A steam generator which finds particular application as a superheater and reheater for transfer of heat from the gas coolant of a nuclear power reactor to a secondary fluid medium. The lower pressure reheater is located inside of the nuclear pressure vess... | 08/02/1994 |
| 5267288 | Power station installation In a power station installation which is designed as a combined installation, i.e. consists of a gas turbine group (2, 3, 4, 5, 6, 8) and of a steam cycle (13, 16, 17, 18, 19, 20) downstream of the gas turbine group, the steam rate being generated in a wa... | 11/30/1993 |
| 4805407 | Thermomechanical electrical generator/power supply for a downhole tool A downhole tool for an oil or gas well includes a self-contained power supply having a housing in which a primary fuel source, a Stirling cycle engine, and a linear alternator are disposed. The primary fuel source includes a radioisotope which, by its rad... | 02/21/1989 |
| 4776982 | Procedure for temporary storage of radioactive material The invention is a method for the storage in a storage room (9) of radioactive material and particularly for the temporary storage of radioactive nuclear fuel from nuclear reactors and of non-reprocessed radioactive material. A remote-controlled robot arr... | 10/11/1988 |
| 4755352 | System of generating electricity using a swimming pool type nuclear reactor A system of generating electricity is disclosed. The system employs a new kind of swimming pool type nuclear reactor which is safe and can be made operable unattended but at the same time raises the mean pool temperature by forcing moderator-coolant-shiel... | 07/05/1988 |
| 4748814 | Electric power generating plant A control apparatus for electric power plant comprises turbine speed control means for detecting the speed of a turbine coupled to an electric generator to control the turbine speed by controlling a steam flow supplied to the turbine on the basis of the d... | 06/07/1988 |
| 4738818 | Feedwater control in a PWR following reactor trip Excessive primary cooldown and start up of the auxiliary feedwater system in a pressurized water reactor (PWR) following a reactor trip are avoided by switching to primary coolant Tavg programmed, main feedwater flow control in place of normal ... | 04/19/1988 |
| 4687626 | Passive safety device for emergency steam dump and heat removal for steam generators in nuclear power reactors The present invention provides a passive safety device for dumping steam from the steam generator of a nuclear power reactor in case of emergencies. The device comprises a steam ejector immersed in a storage tank of coolant water, a conduit connecting the... | 08/18/1987 |
| 4674285 | Start-up control system and vessel for LMFBR A reflux condensing start-up system comprises a steam generator, a start-up vessel connected parallel to the steam generator, a main steam line connecting steam outlets of the steam generator and start-up vessel to a steam turbine, a condenser connected t... | 06/23/1987 |
| 4666662 | Steam generator recirculating system for a pressurized water nuclear reactor A steam generator recirculating system for use with the secondary coolant of the steam generators of a pressurized water nuclear reactor is comprised of two separate recirculation loops. Each loop contains a common discharge line into which a secondary co... | 05/19/1987 |
| 4651530 | Method and apparatus for feed-water control in a steam generating plant A method and an apparatus for feed-water control in a steam generating plant such as a boiling water nuclear reactor having motor-driven feed-water pumps and turbine-driven feed-water pumps for supplying feed-water to a steam generator, in which the feed-... | 03/24/1987 |
| 4577682 | Heat exchanger Heat exchange apparatus comprises a generally cylindrical tank having an inlet port for entry of gas and an outlet port for exit of the gas after it is cooled, and an annular bundle of tubes disposed within the tank. The tank includes a cylindrical side w... | 03/25/1986 |
| 4505873 | Method for regulating the power supplied to a steam turbine/pressurized water nuclear reactor A method for regulating the power supplied to a steam turbine by a pressurized water nuclear reactor driving an electric current generator supplying a network by utilizing the movement of control rods in the reactor and the by-passing of a fraction of the... | 03/19/1985 |
| 4486381 | Power controlling apparatus for boiling water atomic reactor A power control apparatus of a boiling water atomic reactor for transferring the atomic reactor to a low power stand-by operation when a load of a generator is rejected. The necessity of insertion of control rods into a core is decided in accordance with ... | 12/04/1984 |
| 4478783 | Nuclear power plant feedwater controller design A system for controlling the feedwater system in a nuclear power plant is disclosed. The system utilizes a logic calculations subsystem (50) which selects the operational mode of the system to be monitored from a plurality of operational modes. A disturba... | 10/23/1984 |
| 4448023 | Pressure wave attenuating main steam line apparatus A main steam line apparatus of a boiling water nuclear reactor plant including piping for introducing a steam produced in a pressure vessel into a turbine, a main steam valve for rapidly stopping the steam being supplied to the turbine through the piping,... | 05/15/1984 |
| 4413348 | System for producing process heat A system for producing process heat which employs a high temperature gas cooled nuclear reactor and is adapted to provide process heat at temperatures higher than the reactor core temperature. The system includes a closed secondary loop having a working f... | 11/01/1983 |
| 4355001 | Reactor unit and a nuclear installation which uses said reactor unit A reactor unit and a nuclear installation which uses said reactor unit and method of fitting up such an installation. Said installation includes mainly a reactor unit (2) which constitutes a shiftable module formed by a casing (7) and a stand (8), by a co... | 10/19/1982 |
| 4353212 | Closed fluid loop solar thermodynamic system Thermodynamic unit comprised of a pair of vessels which alternately raise and lower pressure in thermodynamic fluid is connected in a closed system to an engine, which utilizes the fluid in its gas phase, with the vessel raising pressure having a gas outl... | 10/12/1982 |
| 4336105 | Nuclear power plant steam system Apparatus utilizing steam from first, second and third extraction points of a steam turbine in a nuclear power plant steam system as heating steam in at least two feedwater heater units for maintaining the final feedwater temperature above a predetermined... | 06/22/1982 |
| 4313795 | Nuclear power plant with on-site storage capabilities A nuclear power plant constructed with a nuclear reactor core centrally mounted within an elongated, split chamber pressure vessel having contained solid state heat transfer conductors for transfer of heat from a liquid core coolant to a gas power medium ... | 02/02/1982 |
