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] Patents (Class 976/DIG244)

Digests

Details of handling arrangements [g21c-19/02] (Class 976/DIG245)

Means for controlling flow of coolant over objects being handled; Means for controlling flow of coolant through channel being serviced (e.g., for preventing "blow-out") [G21C-19/04] (Class 976/DIG246)
Magazines for holding fuel element or control elements [G21C-19/06] (Class 976/DIG247)
Means for heating fuel elements before introduction into the core; Means for heating or cooling fuel elements after removal from the core [G21C-19/08] (Class 976/DIG250)
Lifting devices or pulling devices adapted for cooperation with fuel elements or with control elements [G21C-19/10] (Class 976/DIG251)
Arrangements for exerting direct hydraulic or pneumatic force on fuel element or on control element [G21C-19/12] (Class 976/DIG255)

Characterized by their adaptation for use with horizontal channels in the reactor core [g21c-19/14] (Class 976/DIG256)

Articulated or telescopic chutes or tubes for the connection to channels in the reactor core [g21c-19/16] (Class 976/DIG257)

Apparatus for bringing fuel elements to the reactor charge area (e.g., from a storage place) [g21c-19/18] (Class 976/DIG258)

Arrangements for introducing object into the pressure vessel; arrangements for handling objects within the pressure vessel; arrangements for removing objects from the pressure vessel [g21c-19/20] (Class 976/DIG259)

Arrangements for removing jammed or damaged fuel elements or control elements; arrangements for moving broken parts thereof [g21c-19/26] (Class 976/DIG264)

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) (Class 976/DIG265)

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) (Class 976/DIG266)

Apparatus for removing radioactive objects or materials from the reactor discharge area (e.g., to a storage place); apparatus for handling radioactive objects or materials within a storage place or removing them therefrom [g21c-19/32] *** (disposal of waste material dig. 375+) (Class 976/DIG272)

Apparatus or processes for removing canning or casings from fuel; separation of fuel and jacket material; also fuel elements, perforation (e.g., for sampling); separation of fuel elements and fuel element-jackets in pieces; removal of end closures [g21c-19/34] *** (shielded cells dig. 355+) (Class 976/DIG273)

Arrangements for preventing occurence of critical conditions (e.g., during storage) [g21c-19/40] (Class 976/DIG276)

Reprocessing of irradiated fuel [g21c-19/42] (Class 976/DIG277)

There are no patents to show for this class.