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:
Aug. 03, 2021
Filed:
Sep. 28, 2017
Korea Hydro & Nuclear Power Co., Ltd, Gyeongsangbuk-do, KR;
Sang Gyu Lim, Daejeon, KR;
Dae Hun Kim, Sejong, KR;
Hui Un Ha, Daejeon, KR;
Han Gon Kim, Daejeon, KR;
Sang Won Lee, Daejeon, KR;
Sun Heo, Daejeon, KR;
Jong Cheon, Daejeon, KR;
Korea Hydro & Nuclear Power Co., LTD., Gyeongsangbuk-do, KR;
Abstract
In order to provide a coolant tank for preventing a containment from being recompressed and reheated during the cooling of the containment upon occurrence of a design basis accident and a severe accident and a passive containment cooling system comprising the same, the present invention comprises: a storage tank for storing a coolant; a division part which is arranged within the storage tank and divides the inside of the storage tank into a first storage tank and a second storage tank to separate the coolant; a first heat exchanger which is extended from the storage tank to the containment and cools the containment on the basis of the coolant; and a unidirectional valve which is provided on the division part and allows the coolant of the second storage tank to be introduced into the first storage tank when the water level of the first storage tank is reduced.