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Class Information
Number: 976/DIG.266
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)
Description:










Sub-classes under this class:

Class Number Class Name Patents
976/DIG.271 Recombination devices [g21c-19/30r] 16
976/DIG.267 Specially adapted for gases [g21c-19/30b] *** (decontamination of gases dig. 378) 26
976/DIG.268 Specially adapted for liquids [g21c-19/30d] *** (decontamination of liquids dig. 379) 33


Patents under this class:

Patent Number Title Of Patent Date Issued
5047203 Purifier for nuclear reactor cooling water and method of purification Sep. 10, 1991
5028384 Method for enhancing personnel safety in operating a nuclear reactor plant, and means therefor Jul. 2, 1991
5017330 Device for opening and closing a filter in a nuclear plant and process for replacing the filter packing May. 21, 1991
4909982 Apparatus for separating and venting gas entrained in a liquid flow stream Mar. 20, 1990
4699755 Ultrafiltration circuit for the primary cooling fluid of a pressurized-water nuclear reactor Oct. 13, 1987
4647425 Method of vacuum degassing and refilling a reactor coolant system Mar. 3, 1987
4610838 Method for removing debris from a nuclear reactor vessel Sep. 9, 1986
4473529 Device for collecting purge liquids and gases in an installation containing substances which may possess a certain degree of radioactivity Sep. 25, 1984
4395335 Reproduction method of filter demineralizer in condensate cleanup system of reactor Jul. 26, 1983
4304667 Filter for purifying a fluid containing ferromagnetic particles Dec. 8, 1981
4242200 Filters for purifying fluids containing ferromagnetic particles Dec. 30, 1980
4216057 Purifying plant for water to be vaporized in a steam generator of a nuclear reactor Aug. 5, 1980
4202730 Radionuclide deposition control May. 13, 1980
4148708 Combination ion exchange and electrodialysis fluid purification apparatus Apr. 10, 1979
4129476 Environment control system Dec. 12, 1978
4124446 Apparatus and method for filtering radioactive liquid Nov. 7, 1978
4088533 Radionuclide trap May. 9, 1978
4042455 Process for dissolving radioactive corrosion products from internal surfaces of a nuclear reactor Aug. 16, 1977
3964965 Pressurized-water reactor coolant gas disposal system Jun. 22, 1976
3963564 Method for preventing tritium contamination of secondary salt and steam in a molten salt reactor Jun. 15, 1976
3950152 Filter vapor trap Apr. 13, 1976











 
 
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