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Reactivity control rod for core, core of nuclear reactor, nuclear reactor and nuclear power plant


Title: Reactivity control rod for core, core of nuclear reactor, nuclear reactor and nuclear power plant.
Abstract: In a nuclear reactor in which a primary coolant is contained, the primary coolant moves upwardly from the core by an operation thereof. An annular steam generator is arranged in an upper side of the core into which the upwardly moving primary coolant flows and transfers heat in the primary coolant into water therein to generate a steam. A passage structure defines a coolant passage for the primary coolant to an outside of the core. The heat-transferred primary coolant in the annular steam generator flows downwardly in the coolant passage so as to flow into the core, thereby moving upwardly. A reactor vessel is arranged to surround the coolant passage so as to contain the core, the annular steam generator and the passage means therein. ...


- Alexandria, VA, US
Inventors: Yohei Nishiguchi, Tsugio Yokoyama, Hisato Mitsumiya, Yasushi Tsuboi
USPTO Applicaton #: #20060210010 - Class: $ApplicationNatlClass (USPTO) -


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Related Patent Categories: Induced Nuclear Reactions: Processes, Systems, And Elements, With Control Of Reactor (e.g., Control Of Coolant Flow), By Movement Of Control Element Or By Release Of Neutron Absorbing Material, Wherein The Control Element Is A Reflector Or Moderator Material
The Patent Description & Claims data below is from USPTO Patent Application 20060210010, Reactivity control rod for core, core of nuclear reactor, nuclear reactor and nuclear power plant.

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stats Patent Info
Application #
US 20060210010 A1
Publish Date
09/21/2006
Document #
File Date
12/31/1969
USPTO Class
Other USPTO Classes
International Class
/
Drawings
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