PRESSURE WATER REACTOR

Title:

PRESSURE WATER REACTOR

Document Type and Number:

WIPO Patent Application WO/2012/081232

Kind Code:

A1

Abstract:

The pressurized water reactor according to the embodiment comprises: a cylindrical reactor pressure vessel (1) to which inlet nozzles are connected; fuel assemblies which are contained within the reactor pressure vessel (1); a cylindrical reactor core barrel (3) which surrounds the fuel assemblies and forms an annular downcomer (6) between the reactor core barrel (3) and the inner surface of the reactor pressure vessel (1); and radial supports. The radial supports are supports which are arranged below the downcomer (6) at intervals in the circumferential direction, respectively have vertical flow paths formed therein, and position the reactor core barrel (3) and the reactor pressure vessel (1). The radial supports comprise, for example, flow path-equipped radial keys (21) and key groove members (40).

Inventors:

IWAKI CHIKAKO (JP)
IKEDA TATSUMI (JP)
YAMAMOTO TETSUZO (JP)
WATANABE MASANOBU (JP)
ABE SATORU (JP)
UCHIDA KEN (JP)
SATO HISAKI (JP)
OKUDA KEN (JP)
ITO KIICHI (JP)

Application Number:

PCT/JP2011/006946

Publication Date:

June 21, 2012

Filing Date:

December 13, 2011

Export Citation:

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Assignee:

TOSHIBA KK (JP)
IWAKI CHIKAKO (JP)
IKEDA TATSUMI (JP)
YAMAMOTO TETSUZO (JP)
WATANABE MASANOBU (JP)
ABE SATORU (JP)
UCHIDA KEN (JP)
SATO HISAKI (JP)
OKUDA KEN (JP)
ITO KIICHI (JP)

International Classes:

G21C15/02; G21C13/02

Foreign References:

JPH07306288A	1995-11-21
JPH01266394A	1989-10-24
JP2005024383A	2005-01-27
JP2002357688A	2002-12-13
JP2005024383A	2005-01-27

Other References: