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Class Information
Number: 976/DIG.267
Name: Nuclear technology > Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor (e.g., within its pressure vessel) [g21c-19/00] > Arrangements for introducing fluent material into the reactor core; arrangements for removing fluent material from the reactor core [g21c-19/28] *** (pumping coolant dig. 199+ and 294) > With continuous purification of circulating fluent material (e.g., by extraction of fission products, deterioration or corrosion products, impurities (e.g., by cold traps) [g21c-19/30] *** (purification of circulating fluid fuels dig. 281; separation in general b01d) > Specially adapted for gases [g21c-19/30b] *** (decontamination of gases dig. 378)
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
5733520 Method and device for the extraction of the condenser exhaust gases of a boiling water reactor Mar. 31, 1998
5492686 Process and device for recombining and/or igniting hydrogen contained in an H.sub.2 -air-steam mixture, preferably for nuclear power stations Feb. 20, 1996
5470557 Zeolites Nov. 28, 1995
4900506 High-temperature reactor Feb. 13, 1990
4895644 Fluid supply and recirculation system Jan. 23, 1990
4881958 Adsorption device for gas separation Nov. 21, 1989
4816209 Method and apparatus for separating radioactive constituents from gas or vapors escaping accidentally from nuclear reactors Mar. 28, 1989
4775397 Air supply and recirculation system Oct. 4, 1988
4707342 Process for separation of hydrogen and/or deuterium and tritium from an inert gas flow and apparatus for effectuation of process in the cooling gas circuit of a gas-cooled nuclear reactor Nov. 17, 1987
4673547 Process for separation of hydrogen and/or deuterium and tritium from an inert gas flow and apparatus for effectuation of process in the cooling gas circuit of a gas-cooled nuclear reactor Jun. 16, 1987
4638674 Sample-collecting device for gaseous or vaporous condensable radioactive substances, especially for collecting traces of tritium Jan. 27, 1987
4623511 Push-pull exhaust ventilation system for nuclear component storage and refueling canals Nov. 18, 1986
4610841 Corrosion preventing device for in-pile structures of helium gas-cooled reactor Sep. 9, 1986
4528080 Photochemical method for the separation of mixtures of xenon and krypton Jul. 9, 1985
4430293 Containment hydrogen removal system for a nuclear power plant Feb. 7, 1984
4430292 Radioactive gaseous waste disposing system Feb. 7, 1984
4293317 Fission product adsorbent impregnated with quinuclidene Oct. 6, 1981
4193844 Method of mounting filter elements and mounting therefor Mar. 18, 1980
4167444 Removal of impurities from the coolant gas of gas-cooled high temperature nuclear reactors Sep. 11, 1979
4045191 Radioactive krypton gas separation Aug. 30, 1977
4038060 Apparatus for treating an exhaust gas from nuclear plant Jul. 26, 1977
4004971 Gas cooled nuclear reactors Jan. 25, 1977
3993540 Helium cooled nuclear reactors Nov. 23, 1976
3993541 Removal of tritium from gas-cooled nuclear reactors Nov. 23, 1976
3944646 Radioactive krypton gas separation Mar. 16, 1976
3937649 Process and system for removing tritium Feb. 10, 1976











 
 
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