Doryokuro Kakunenryo Kaihatsu Jigyodan

Hiroaki Ohhira

Minoru Gunji

Hisashi Nakamura

Satoru Nakai

Makinori Ikeda

Akira Ohtaki

Toshio Yatabe

Kunihiko Yokoyama

Naoyuki Kisohara

Hideo Sakaba

Hitoshi Hayashida

An autonomous, decentralized fast breeder reactor includes a single reactor main vessel which houses a plurality of small-size reactor subsystems each having a small-scale fast breeder reactor core, and a plurality steam generator subsystems. These subsystems function in an autonomous manner and are caused to undergo a heat transfer with one another by a coolant circulating naturally through the interior of the main vessel, thereby constructing a cooperatively operating system. Steam generated by the steam generators is introduced to a turbine system and utilized in generating electricity. The condensate from the turbines is cooled by a heat accumulating pool, and the heat is utilized in a separate system. The entire system is installed underground and use is made of the difference in elevation. Use also is made of solid bedrock to construct a housing facility for the reactor.

Autonomous, decentralized fast breeder reactor system

Growing community of inventors

Oarai, Japan

Hiroaki Ohhira