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| Number | Title | Issue Date |
| 5267285 | Apparatus for suppressing formation of vortices in the coolant fluid of a nuclear reactor and associated method An apparatus and method are provided for suppressing the formation of vortices in circulating coolant fluid of a nuclear reactor. A vortex-suppressing plate having a plurality of openings therein is suspended within the lower plenum of a reactor vessel be... | 11/30/1993 |
| 5066453 | Nuclear fuel assembly coolant control An apparatus for controlling the flow of coolant through a nuclear fuel assembly, in which a coolant flow restrictor 26 having longitudinal ducts 30 is provided with plug members 48, 49, 50 of different lengths. The plug members 48, 49, 50 are moved longi... | 11/19/1991 |
| 4588549 | Automatic coolant flow control device for a nuclear reactor assembly A device which controls coolant flow through a nuclear reactor assembly comprises a baffle means at the exit end of said assembly having a plurality of orifices, and a bimetallic member in operative relation to the baffle means such that at increased temp... | 05/13/1986 |
| 4493812 | Nuclear radiation actuated valve A nuclear radiation actuated valve for a nuclear reactor. The valve has a valve first part (such as a valve rod with piston) and a valve second part (such as a valve tube surrounding the valve rod, with the valve tube having side slots surrounding the pis... | 01/15/1985 |
| 4324614 | Flow distribution system for coolant in a nuclear reactor and method A nuclear reactor including an inner core containing both fuel and blanket assemblies and means for cooling the assemblies by passing liquid coolant, specifically sodium, across and in contact with the latter is disclosed herein. The nuclear reactor also ... | 04/13/1982 |
| 4316770 | Liquid-metal-cooled reactor A perforated depressor plate extending across the bottom of the instrument ree of a fast breeder reactor cooperates with a circular cylindrical metal bellows forming a part of the upper adapter of each core assembly and bearing on the bottom of the depress... | 02/23/1982 |
| 4303474 | Nuclear reactor core assembly A nuclear reactor core assembly is described in which a plurality of fuel elements and a plurality of blanket elements are arranged in a core assembly. Conduit means direct fluid coolant through the fuel elements and through the blanket elements. The cond... | 12/01/1981 |
| 4225387 | Liquid metal cooled past breeder nuclear reactors A liquid metal cooled fast breeder nuclear reactor wherein the fuel assembly includes some breeder fuel sub-assemblies having electromagnetic brakes and fluidic valves of the controlled vortex kind for controlling the coolant outlet temperature. The coola... | 09/30/1980 |
| 4202726 | Liquid metal cooled fast breeder nuclear reactors A liquid metal cooled fast breeder nuclear reactor of the kind wherein the fuel assembly is submerged in a pool of liquid metal coolant in a primary vessel which is housed in a concrete vault. The fuel assembly, which comprises a multiplicity of elongate ... | 05/13/1980 |
| 4198272 | Fuel sub-assemblies for nuclear reactors In a fuel sub-assembly for a liquid metal cooled fast breeder nuclear reactor comprising a bundle of spaced fuel pins within a tubular wrapper having a spike extension for plugging into fuel assembly support structure the wrapper is pivotally connected to... | 04/15/1980 |
| 4138318 | Nuclear reactor system of the fast type A nuclear reactor, preferably of the fast type, has a core surrounded by a breeding blanket which is composed of elements extending side by side with gaps therebetween so as to allow in certain conditions a leakage flow to adjust itself between the breedi... | 02/06/1979 |
| 4077835 | Nuclear reactor with self-orificing radial blanket The peripheral blanket of a breeder reactor requires a coolant flow rate which is a varying fraction of that of the central core region. A self-orificing blanket cooling structure which is characterized by a predominance of radial coolant flow, generated ... | 03/07/1978 |
| 4050985 | Nuclear reactor A nuclear reactor, particularly a liquid-metal breeder reactor, whose upper internals include outlet modules for channeling the liquid-metal coolant from selected areas of the outlet of the core vertically to the outlet plenum. The modules are composed of... | 09/27/1977 |
| 4036690 | Nuclear reactor fuel element assemblies A nuclear reactor fuel element assembly comprising a bundle of fuel elements in a tubular wrapper for conducting liquid metal coolant flow has a cavitation suppressing impedance. The impedance comprises a tubular member housing a series of flow defining p... | 07/19/1977 |
