Title:
原子炉水位及び温度計測装置
Document Type and Number:
Japanese Patent JP5829527
Kind Code:
B2
Abstract:
A reactor water-level/temperature measurement apparatus is disclosed that includes an in-core instrumentation tube inserted into an in-core instrumentation housing and an in-core instrumentation guide tube, a plurality of water-level/temperature detection sensors provided in the tube, a temperature measurement device measuring the temperature of a thermocouple included in each of the sensors, a heater control device for controlling a current flowing to a heater wire included in each of the sensors, a storage device used for storing a threshold-value table, and a water atmosphere and a sensor failure and a water-level/temperature/failure determination device.
Inventors:
Atsushi Fushimi
Atsushi Baba
Izumi Yamada
Setsuo Arita
Kanada Masaki
Murata Akira
Yasushi Asano
Mikio Koyama
Hiroaki Katsuyama
Ryuta Hama
Naito Ju
Atsushi Baba
Izumi Yamada
Setsuo Arita
Kanada Masaki
Murata Akira
Yasushi Asano
Mikio Koyama
Hiroaki Katsuyama
Ryuta Hama
Naito Ju
Application Number:
JP2012000821A
Publication Date:
December 09, 2015
Filing Date:
January 05, 2012
Export Citation:
Assignee:
Hitachi ge Nuclear Energy Co., Ltd.
International Classes:
G21C17/035; G01F23/22; G01K1/14; G21C17/00; G21C17/02
Domestic Patent References:
| JP8220284A | ||||
| JP59112290A | ||||
| JP2004101537A | ||||
| JP2001099980A | ||||
| JP2009175128A | ||||
| JP1185487A | ||||
| JP57119295A | ||||
| JP57199995A | ||||
| JP57158522A | ||||
| JP58047217A |
Attorney, Agent or Firm:
Kaichi International Patent Office
Kasuga Toshiaki
Inoki Yuichi
Kasuga Toshiaki
Inoki Yuichi
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