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Class Information
Number: 376/407
Name: Induced nuclear reactions: processes, systems, and elements > Reactor structures > Circulating fluid within reactor > Manipulated or used exterior of reactor core > With jet pumps
Description: Subject matter wherein the coolant is caused to circulate with the aid of a jet pump.

Patents under this class:

Patent Number Title Of Patent Date Issued
8712003 Jet pump and reactor Apr. 29, 2014
8705686 Adjustable hard stops for nuclear reactor restrainer brackets and methods of using the same Apr. 22, 2014
8675806 Dielectric coating for surfaces exposed to high temperature water Mar. 18, 2014
8550791 Torsional restraint for jet pump assembly Oct. 8, 2013
8548114 Method and apparatus for repairing a jet pump line support Oct. 1, 2013
8422618 Apparatus and system for restricting the movement of a component Apr. 16, 2013
7764760 Apparatus and method for measuring rotation during jet pump tensioning Jul. 27, 2010
7627074 Vertical spring wedge Dec. 1, 2009
7515673 Method and apparatus for repairing a jet pump diffuser adapter to tailpipe weld Apr. 7, 2009
6876715 Measurement system of torsion vibration for reactor internal pump Apr. 5, 2005
6751281 Measurement system of torsion vibration for reactor internal pump Jun. 15, 2004
6595163 High pressure steam water injector comprising an axial drain Jul. 22, 2003
6504888 Apparatus and methods of flow measurement for a boiling water reactor internal pump Jan. 7, 2003
6490331 Jet pump spring wedge Dec. 3, 2002
6438192 Jet pump slip joint seal Aug. 20, 2002
6434208 Jet pump beam lock Aug. 13, 2002
6320923 BWR jet pump wedge keeper Nov. 20, 2001
6108391 Apparatus for performing jet pump riser pipe repairs Aug. 22, 2000
6052425 Jet pump auxiliary wedge Apr. 18, 2000
5943384 Depressurization system for pressurized steam operated plant Aug. 24, 1999
5896435 Pressurized water supply device for a steam injector water source Apr. 20, 1999
5796798 Internal condenser vapor discharge system Aug. 18, 1998
5661769 Depressurising system for plants operating with pressurized steam Aug. 26, 1997
5610957 Reactor core coolant flow rate control system for a BWR type nuclear power plant Mar. 11, 1997
5398267 Passive decay heat removal and internal depressurization system for nuclear reactors Mar. 14, 1995
5345484 Feedwater nozzle and method of repair Sep. 6, 1994
5262091 Steam injector system Nov. 16, 1993
5135711 BWR recirculation system Aug. 4, 1992
5124115 BWR series pump recirculation system Jun. 23, 1992
5108695 Ventilating system for an emergency feedwater enclosure in a nuclear power plant Apr. 28, 1992
5082620 BWR parallel flow recirculation system Jan. 21, 1992
4905757 Compact intermediate heat transport system for sodium cooled reactor Mar. 6, 1990
4892463 Rail mounted ejector Jan. 9, 1990
4879087 Nuclear power plant Nov. 7, 1989
4844857 Pressurized water reactors Jul. 4, 1989
4699754 Jet pump-drive system for heat removal Oct. 13, 1987
4687626 Passive safety device for emergency steam dump and heat removal for steam generators in nuclear power reactors Aug. 18, 1987
4526742 Nuclear reactor plant Jul. 2, 1985
4468172 Jet pump plug Aug. 28, 1984
4444246 Flash jet coolant circulation system Apr. 24, 1984
4440719 Steam driven water injection Apr. 3, 1984
4347623 Flash jet coolant pumping system Aug. 31, 1982
4285770 Jet pump with labyrinth seal Aug. 25, 1981
4212594 Liquid feeding and mixing arrangement including an ejector thermal sleeve Jul. 15, 1980
4210614 Passive containment system Jul. 1, 1980
4138318 Nuclear reactor system of the fast type Feb. 6, 1979
4033814 Thermogenic swimming-pool type nuclear reactor Jul. 5, 1977
3973402 Cycle improvement for nuclear steam power plant Aug. 10, 1976

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