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Class Information
Number: 376/203
Name: Induced nuclear reactions: processes, systems, and elements > Seal arrangements
Description: Subject matter for substantially preventing the escape of fluid from a joint between two elements of a nuclear reactor fluid confining means.










Sub-classes under this class:

Class Number Class Name Patents
376/205 Between pressure vessel cover and vessel or portion thereof 86
376/204 For nozzle 105


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8670514 Hatch mechanical locking system Mar. 11, 2014
8608010 Sealing element fastening system for a pressure vessel, in particular a reactor pressure vessel Dec. 17, 2013
8437444 Apparatus and methods for achieving redundant confinement sealing of a spent nuclear fuel canister May. 7, 2013
8248739 Electrical switching apparatus and protection apparatus determining thermal age of another apparatus or a number of insulators Aug. 21, 2012
8107583 Sealing means, transfer device comprising such a sealing means, arrangement comprising such a transfer device and a method for producing said sealing means Jan. 31, 2012
7813464 Permanent seal ring for a nuclear reactor cavity Oct. 12, 2010
7470410 Support system for reactor vessel internals Dec. 30, 2008
7447291 Nuclear reactor and means for inserting liquid neutron absorber into the core Nov. 4, 2008
7206372 Methods of repairing leaking elongate hollow members in boiling water reactors Apr. 17, 2007
6950489 Guide tube for an instrumentation lance extending into a pressure vessel, reactor pressure vessel, and a method for preventing the accumulation of particles outside the pressure vessel in a gu Sep. 27, 2005
6895067 Smooth collet for pulling fuel rods May. 17, 2005
6888908 Reactor head with integral nozzles May. 3, 2005
6834092 Method of repairing leaking elongate hollow members in boiling water reactors Dec. 21, 2004
6721381 Seal arrangement for in-core instrument housing Apr. 13, 2004
6654437 Method of repairing a labyrinth seal of a diffuser in a primary pump of a nuclear power station Nov. 25, 2003
6644915 Nuclear power station primary pump Nov. 11, 2003
6614868 Device for sealing a tube, in particular a lance shaft Sep. 2, 2003
6594333 Thermal load reducing system for nuclear reactor vessel Jul. 15, 2003
6522708 Seal arrangement for in-core instrument housing Feb. 18, 2003
6522709 Nuclear in-core instrument (ICI) assembly with compressed flexible hose sheath Feb. 18, 2003
6504888 Apparatus and methods of flow measurement for a boiling water reactor internal pump Jan. 7, 2003
6406064 Positive locking device for reactor instrumentation protection sleeve assembly Jun. 18, 2002
6375230 Apparatus and methods for precluding separation of a thermal sleeve and elbow joint in the recirculation system of a nuclear reactor Apr. 23, 2002
6373914 In-situ test probe for reactor tube rib plugs Apr. 16, 2002
6359952 Target grid assembly Mar. 19, 2002
6351510 Nuclear plant Feb. 26, 2002
6317477 Floating pool seal assembly with leak limiting annular support structure Nov. 13, 2001
6301319 Method of sealing a reactor pressure vessel Oct. 9, 2001
6236700 Downcommer coupling apparatus and methods May. 22, 2001
6188741 Machined stub tube in a bottom head of a boiling water reactor Feb. 13, 2001
6125159 Canopy seal clamp assembly and method of installation Sep. 26, 2000
6111928 Top mount canopy seal clamp assembly Aug. 29, 2000
5967708 Reactor vessel head tool positioning device Oct. 19, 1999
5835546 System for seating at least one gasket in a pressure vessel penetration where a column penetrates telescopically Nov. 10, 1998
5809098 Method for sealing a stub tube in a nuclear reactor Sep. 15, 1998
5805651 Device for measuring at least one physical parameter inside the core of a nuclear reactor Sep. 8, 1998
5802125 Bottom head assembly Sep. 1, 1998
5796797 Method for sealing a stub tube in a nuclear reactor Aug. 18, 1998
5761261 Ruptured disc accumulator Jun. 2, 1998
5725331 Process for installating a tight crossing in the wall of a cell Mar. 10, 1998
5717731 Outage cover for nuclear reactor containment vessel Feb. 10, 1998
5706319 Reactor vessel seal and method for temporarily sealing a reactor pressure vessel from the refueling canal Jan. 6, 1998
5675618 Mechanical plug for vessel penetration and method therefor Oct. 7, 1997
5633901 Permanent pool cavity seal for nuclear reactor May. 27, 1997
5631936 Method and arrangement for compression sealing an omega joint May. 20, 1997
5625655 Fuel transfer tube quick operating remote closure device Apr. 29, 1997
5619546 Resistance temperature detector nozzle mechanical clamp Apr. 8, 1997
5586154 Self-aligning seal system for maintenance service in nuclear reactor pressure vessels Dec. 17, 1996
5524785 Sealing plug for threaded holes Jun. 11, 1996
5522432 Main steam line plug and locking ring Jun. 4, 1996

1 2 3 4 5 6 7










 
 
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