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Class Information
Number: 976/DIG.48
Name: Nuclear technology > Reactor fuel elements and their assemblies; selection of substances for use as reactor fuel elements [g21c-3/00] > Fuel elements [g21c-3/02] *** (manufacturing dig. 283) > Constructional details [g21c-3/04] > Casings; jackets; jacket materials [g21c-3/06] > Means forming part of the element for locating it within the reactor core [g21c-3/12] *** (means not forming part of the element dig. 102)
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
5100609 Enhancing load-following and/or spectral shift capability in single-sparger natural circulation boiling water reactors Mar. 31, 1992
5057272 Nuclear fuel assembly top nozzle with improved arrangement of hold-down leaf spring assemblies Oct. 15, 1991
5053191 Fuel assembly holddown spring Oct. 1, 1991
4986959 Nuclear fuel assembly with expandable top nozzle subassembly Jan. 22, 1991
4986960 Two piece end fitting with hairpin springs Jan. 22, 1991
4975238 Control system for a nuclear steam power plant Dec. 4, 1990
4957695 Nuclear reactor fuel assembly Sep. 18, 1990
4938919 Hold-down spring clamps on fuel assembly top nozzle Jul. 3, 1990
4859400 Nuclear reactor core restraint Aug. 22, 1989
4851186 Nuclear reactor core and process for charging said core Jul. 25, 1989
4828792 Nuclear fuel assembly with holding structure and hold down device May. 9, 1989
4820479 Guide pin assembly for a nuclear reactor Apr. 11, 1989
4792429 Spring retention cap Dec. 20, 1988
4762676 Top nozzle adapter plate with fuel rod capture grid having pressure drop adjusting means Aug. 9, 1988
4755351 Fuel assembly Jul. 5, 1988
4671924 Hold-down device of fuel assembly top nozzle employing leaf springs Jun. 9, 1987
4654194 Inlet nozzle assembly Mar. 31, 1987
4624829 Nuclear fuel assembly channel spring and stop assembly and method of using same Nov. 25, 1986
4391771 Arrangement for retaining a fuel rod in a reconstitutable fuel assembly Jul. 5, 1983
4306938 Reactor core element with pad Dec. 22, 1981
4208249 Hydraulic seismic support for nuclear fuel assembly Jun. 17, 1980
4194948 Locking support for nuclear fuel assemblies Mar. 25, 1980
4127443 Compact power reactor Nov. 28, 1978
4119489 Method of using nuclear reactor fuel assembly Oct. 10, 1978
4072562 Device to accept axial forces occurring on fuel assemblies during the operation of nuclear reactors Feb. 7, 1978
3977439 Sealing arrangement Aug. 31, 1976
3936349 Nuclear reactors Feb. 3, 1976











 
 
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