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Class Information
Number: 976/DIG.270
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 liquids [g21c-19/30d] *** (decontamination of liquids dig. 379) > For molten metals [g21c-19/30d2] > Using "cold traps" [g21c-19/30d2b]
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
4928497 Cold trap for the purification of a liquid metal having separate trapping zones May. 29, 1990
4893792 Cold trap Jan. 16, 1990
4892653 Cold trap for the purification of liquid metals containing dissolved impurities Jan. 9, 1990
4737281 Cold trap for purifying liquid sodium containing impurities Apr. 12, 1988
4713214 Device for purifying liquid metal coolant for a fast neutron nuclear reactor Dec. 15, 1987
4693088 Cold trap for eliminating impurities from a polluted liquid metal Sep. 15, 1987
4432208 Cold trap Feb. 21, 1984
4389310 Cold trap Jun. 21, 1983
4291865 Radial cold trap Sep. 29, 1981
4290822 Process for cleaning a cold trap Sep. 22, 1981
4278499 Apparatus for the purification of a liquid metal for cooling in the core of a fast neutron reactor Jul. 14, 1981
4010068 Removal of radioactive contamination from a nuclear reactor coolant Mar. 1, 1977
3941586 Method and apparatus for regenerating cold traps within liquid-metal systems Mar. 2, 1976











 
 
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