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

Resources

Home

Browse by:

Browse by Category: Main > Physics

Class Information
Number: 976/DIG.244
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]
Description:

Sub-classes under this class:

Class Number	Class Name	Patents
976/DIG.258	Apparatus for bringing fuel elements to the reactor charge area (e.g., from a storage place) [g21c-19/18]	23
976/DIG.272	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+)	44
976/DIG.273	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+)	36
976/DIG.265	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)	11
976/DIG.259	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]	36
976/DIG.276	Arrangements for preventing occurence of critical conditions (e.g., during storage) [g21c-19/40]	42
976/DIG.264	Arrangements for removing jammed or damaged fuel elements or control elements; arrangements for moving broken parts thereof [g21c-19/26]	18
976/DIG.257	Articulated or telescopic chutes or tubes for the connection to channels in the reactor core [g21c-19/16]	11
976/DIG.256	Characterized by their adaptation for use with horizontal channels in the reactor core [g21c-19/14]	3
976/DIG.245	Details of handling arrangements [g21c-19/02]	42
976/DIG.277	Reprocessing of irradiated fuel [g21c-19/42]	6

Patents under this class:

Patent Number	Title Of Patent	Date Issued
8660231	Storage rack arrangement for the storage of nuclear fuel elements	Feb. 25, 2014
8495814	Reactor installation and removal tools	Jul. 30, 2013
7504079	Vol-oxidizer for spent nuclear fuel	Mar. 17, 2009
5064606	Channel box removing apparatus	Nov. 12, 1991
5053187	Apparatus for positioning a mast for the inspection and/or repair of a core shroud of a water-cooled nuclear reactor	Oct. 1, 1991
5037604	Coffer dam for temporary shielding of reactor vessel internals	Aug. 6, 1991
5019325	Method for removing and installing a control rod drive	May. 28, 1991
5009836	Method for temporary shielding of reactor vessel internals	Apr. 23, 1991
4973443	System for removing and installing a control rod drive	Nov. 27, 1990
4913559	Fuel assembly alignment pin straightening method	Apr. 3, 1990
4910823	Cleaning mechanism for penetration interfaces in nuclear pressure vessels	Mar. 27, 1990
4859409	Reactor vessel lower internals temporary support	Aug. 22, 1989
4859404	Reactor vessel internals storage area arrangement	Aug. 22, 1989
4824632	Fuel assembly alignment pin straightening device	Apr. 25, 1989
4801422	Apparatus for installing and removing a control rod drive in a nuclear reactor	Jan. 31, 1989
4778645	Pressurized water reactor having disconnectable two-piece drive rod assemblies, and related methods of assembly and maintenance operations	Oct. 18, 1988
4762670	Cleaning apparatus for atomic reactor control rod driving means (CRD)	Aug. 9, 1988
4720369	Device for cleaning the guide tubes of the means of measuring neutron fluxes in a pressurized-water nuclear reactor	Jan. 19, 1988
4683108	Locking screw apparatus and method for underwater remote replacement	Jul. 28, 1987
4675149	Jet pump beam holder/positioner tool	Jun. 23, 1987
4650639	Method and apparatus for eliminating leakage spaces between the partitions surrounding the core of a pressurized water nuclear reactor	Mar. 17, 1987
4650638	Method for eliminating leakage spaces between the partitions surrounding the core of a pressurized water nuclear reactor	Mar. 17, 1987
4649019	Draining down of a nuclear steam generating system	Mar. 10, 1987
4618169	Connecting mechanism for pole members	Oct. 21, 1986
4585611	Undervessel arrangement	Apr. 29, 1986
4572710	Method and apparatus for changing filters in nuclear power stations	Feb. 25, 1986
4534932	Apparatus for removing cladding material from bottom portion of control rod guide tube of nuclear reactor	Aug. 13, 1985
4377551	Incore cutting machine	Mar. 22, 1983
4192715	Fuel assembly handling system of nuclear reactor	Mar. 11, 1980
4183785	Method for positioning moderator structure for the core of a molten-salt reactor	Jan. 15, 1980
4134789	Method for refuelling a nuclear reactor and device for carrying out said method	Jan. 16, 1979
4102740	Moderator structure for the core of a molten salt reactor	Jul. 25, 1978
4045283	Control rod and/or instrument tree assembly	Aug. 30, 1977
4033815	Nuclear reactors	Jul. 5, 1977
3984084	Assembly apparatus for nuclear reactors	Oct. 5, 1976
3967741	Device for moving fuel elements and control bars from one place to another place in a core reactor	Jul. 6, 1976
3941259	Device for relocating fuel elements and control rods in a core reactor	Mar. 2, 1976