The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 30, 1991
Filed:
Sep. 18, 1987
Kenji Tominaga, Tokyo, JP;
Minoru Miki, Hitachi, JP;
Tooru Takahashi, Hitachi, JP;
Tetsuo Horiuchi, Hitachi, JP;
Hideo Morishima, Hitachi, JP;
Takashi Nakayama, Hitachi, JP;
Kumiaki Moriya, Hitachi, JP;
Masaki Matsumoto, Katsuta, JP;
Minoru Akita, Hitachi, JP;
Tsuyoshi Niino, Hitachi, JP;
Kanehiro Ochiai, Hitachi, JP;
Akihiko Shiozawa, Hitachi, JP;
Yuichi Uchiyama, Hitachi, JP;
Toyoharu Yasuno, Usuki, JP;
Kenji Moriya, Hitachi, JP;
Shouichirou Kinoshita, Hitachi, JP;
Kazuo Kage, Yokohama, JP;
Ryuji Kubota, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi Engineering Co., Ltd., Ibaraki, JP;
Abstract
A container-outer-periphery pool in which water is stored is provided between a primary containment vessel and a reactor building, and outside of a pressure suppression pool. Consequently, the natural heat transfer capabilities of reactor facilities is enhanced, and the inherent safety of the reactor facilities is improved.