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:
Jul. 20, 2010
Filed:
Jan. 30, 2004
Applicants:
Tomoyuki Ito, Kanagawa-ken, JP;
Mitsuaki Shimamura, Kanagawa-ken, JP;
Motohiko Kimura, Kanagawa-ken, JP;
Inventors:
Tomoyuki Ito, Kanagawa-ken, JP;
Mitsuaki Shimamura, Kanagawa-ken, JP;
Motohiko Kimura, Kanagawa-ken, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G21C 17/00 (2006.01); G21C 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An operation method and apparatus in a pressure vessel of a nuclear reactor is provided. The operation apparatus including a body and a guide inserted from the upper side of the nuclear reactor to an interior of the jet pump. The operation apparatus circulate water inside the pressure vessel. The guide is positioned at the end of a body of the operation apparatus, and is inclined with respect to the center axis of the body so as to be inserted into a side opening of the jet pump.