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Class Information
Number: 376/282
Name: Induced nuclear reactions: processes, systems, and elements > Reactor protection or damage prevention > Emergency core coolant systems (e.g., injecting coolant into reactor or pipe systems)
Description: Subject matter wherein the undesired effect is fuel melting which undesired effect is minimized by providing an alternate supply of coolant to the fuel in the event of stoppage or partial diminution of the normally present supply of coolant.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8666017 Apparatus for repairing riser pipe elbow weld in boiling water nuclear reactor Mar. 4, 2014
8663469 Strainer wall structure including curved sections Mar. 4, 2014
8638898 Emergency core cooling system for pressurized water reactor Jan. 28, 2014
8630385 Emergency core cooling duct for emergency core cooling water injection of a nuclear reactor Jan. 14, 2014
8559584 Nuclear reactor automatic depressurization system Oct. 15, 2013
8559583 Passive cooling and depressurization system and pressurized water nuclear power plant Oct. 15, 2013
8537959 Drain sump of nuclear reactor containment vessel Sep. 17, 2013
8475659 Strainers for emergency core cooling systems--ECCS Jul. 2, 2013
8437446 Steam generator flow by-pass system May. 7, 2013
8358732 Core catcher, manufacturing method thereof, reactor containment vessel and manufacturing method thereof Jan. 22, 2013
8249212 Method to apply a clamp to a core spray sparger T-box Aug. 21, 2012
8170173 Passive emergency feedwater system May. 1, 2012
8160197 Nuclear power plant using nanoparticies in closed circuits of emergency systems and related method Apr. 17, 2012
8090073 Nuclear power plant, method of replacement in the same and method of operating the same Jan. 3, 2012
8054932 Filter medium for strainers used in nuclear reactor emergency core cooling systems Nov. 8, 2011
8048319 Filter medium for strainers used in nuclear reactor emergency core cooling systems Nov. 1, 2011
8045671 Injection system and associated operating method Oct. 25, 2011
8045672 Core spray sparger T-box attachment and clamp and method for clamping Oct. 25, 2011
8045673 Core spray sparger T-box clamp assemblies and methods of using thereof Oct. 25, 2011
7983377 Emergency core cooling system having core barrel injection extension ducts Jul. 19, 2011
7983376 Boiling water nuclear reactor and emergency core cooling system of the same Jul. 19, 2011
7920666 Safety injection tank with gravity driven fluidic device Apr. 5, 2011
7920667 Accumulator Apr. 5, 2011
7889830 Nuclear reactor downcomer flow deflector Feb. 15, 2011
7881421 Accumulator Feb. 1, 2011
7873136 Injection system and associated operating method Jan. 18, 2011
7848475 Low head loss modular suction strainer with contoured surfaces Dec. 7, 2010
7835482 Emergency core cooling system Nov. 16, 2010
7822164 Protective screen for the screening off of a suction space Oct. 26, 2010
7813465 Pressure suppression and decontamination apparatus and method for reactor container Oct. 12, 2010
7809099 Direct vessel injection (DVI) nozzle for minimum emergency core cooling (ECC) water bypass Oct. 5, 2010
7724863 Core spray sparger T-box clamp apparatus and method for installing the same May. 25, 2010
7668283 Pressuriser for a pressurised water nuclear power station Feb. 23, 2010
7623611 Core spray apparatus and method for installing the same Nov. 24, 2009
7558360 Core catcher cooling Jul. 7, 2009
7532699 Nuclear facility and method for operating a nuclear facility May. 12, 2009
7492851 Clamp for feedwater sparger end bracket assemblies and method of preventing separation of feedwater sparger end bracket assemblies Feb. 17, 2009
7245688 Cooling system Jul. 17, 2007
7203263 Core spray apparatus and method for installing the same Apr. 10, 2007
6928133 Pressurized light water reactor having flow converting grooves for emergency core cooling water Aug. 9, 2005
6895068 Method for providing a pressurized fluid May. 17, 2005
6865244 Device and method for cooling a reactor pressure vessel of a boiling water reactor plant Mar. 8, 2005
6839396 Control device for a cooling circuit Jan. 4, 2005
6781331 Method and apparatus for regulating motor generator output Aug. 24, 2004
6618461 Systems and methods to enhance passive containment cooling system Sep. 9, 2003
6594333 Thermal load reducing system for nuclear reactor vessel Jul. 15, 2003
6567493 Core spray sparger assembly May. 20, 2003
6481757 Core spray system attachment assemblies Nov. 19, 2002
6477220 Flexible penetration attachment for strainers Nov. 5, 2002
6456682 Core spray sparger T-box attachment with clamp Sep. 24, 2002

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