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. 17, 2007
Filed:
Jun. 16, 2004
Katsuyuki Nakayama, Kobe, JP;
Kenji Umeda, Kobe, JP;
Teruyuki Nagano, Kobe, JP;
Daigo Fujimura, Takasago, JP;
Katsuyuki Nakayama, Kobe, JP;
Kenji Umeda, Kobe, JP;
Teruyuki Nagano, Kobe, JP;
Daigo Fujimura, Takasago, JP;
Mitsubishi Heavy Industries, Ltd, Tokyo, JP;
Abstract
In a nuclear reactor internal structure, generation and promotion of object-downstream separating vortices are suppressed so that coolant uniformly flows in a reactor core and pressure loss of flow of the coolant is reduced so that the flow of the coolant is stabilized. A lower connecting platearranged in a lower plenumcomprises a ring portionin which an arcuate portionand a cut-off portion are alternately formed. An outer peripheral portion of the ring portionis asymmetric relative to a flow direction of main flow and also asymmetric relative to a separating flow generation direction.