公开(公告)号：US20080130820A1

公开(公告)日：2008-06-05

申请号：US11852528

申请日：2007-09-10

申请人： Masaru UKAI ,  Kosaku Tsumita ,  Ryoma Kato ,  Kenjiro Fukamichi ,  Yuji Yamada ,  Makoto Sato ,  Tadaaki Shimazu ,  Tomoharu Tanabe ,  Hirotoshi Matsumura ,  Keiji Matsunaga ,  Ken Okuda

发明人： Masaru UKAI ,  Kosaku Tsumita ,  Ryoma Kato ,  Kenjiro Fukamichi ,  Yuji Yamada ,  Makoto Sato ,  Tadaaki Shimazu ,  Tomoharu Tanabe ,  Hirotoshi Matsumura ,  Keiji Matsunaga ,  Ken Okuda

IPC分类号： G21C15/243

CPC分类号： G21C5/06 ,  G21C3/3206 ,  Y02E30/40

摘要： A fuel inlet mechanism to introduce a coolant into a fuel assembly configured to be charged in a light water nuclear reactor, includes, a filter catching a foreign substance included in the coolant on an upstream side of the fuel assembly, the filter having a plurality of through holes to pass the coolant, and the through holes having an inlet portion, an outlet portion and at least one bent portion to a degree by which the outlet portion cannot be seen through from the inlet portion by a straight line.

摘要翻译： 一种用于将冷却剂引入构造成装入轻水核反应堆的燃料组件中的燃料入口机构，包括：过滤器，其在所述燃料组件的上游侧捕获包含在所述冷却剂中的异物，所述过滤器具有多个 通孔用于使冷却剂通过，并且通孔具有入口部分，出口部分和至少一个弯曲部分，直到入口部分不能通过直线从出口部分看到的程度。

公开(公告)号：US20050276367A1

公开(公告)日：2005-12-15

申请号：US11207777

申请日：2005-08-22

申请人： Masaru Ukai ,  Kosaku Tsumita ,  Ryoma Kato ,  Kenjiro Fukamichi ,  Yuji Yamada ,  Makoto Sato ,  Tadaaki Shimazu ,  Tomoharu Tanabe ,  Hirotoshi Matsumura ,  Keiji Matsunaga ,  Ken Okuda

发明人： Masaru Ukai ,  Kosaku Tsumita ,  Ryoma Kato ,  Kenjiro Fukamichi ,  Yuji Yamada ,  Makoto Sato ,  Tadaaki Shimazu ,  Tomoharu Tanabe ,  Hirotoshi Matsumura ,  Keiji Matsunaga ,  Ken Okuda

IPC分类号： G21C3/32 ,  G21C5/06 ,  G21C19/42

CPC分类号： G21C5/06 ,  G21C3/3206 ,  Y02E30/40

摘要： A fuel inlet mechanism to introduce a coolant into a fuel assembly configured to be charged in a light water nuclear reactor, includes, a filter catching a foreign substance included in the coolant on an upstream side of the fuel assembly, the filter having a plurality of through holes to pass the coolant, and the through holes having an inlet portion, an outlet portion and at least one bent portion to a degree by which the outlet portion cannot be seen through from the inlet portion by a straight line.

摘要翻译： 一种用于将冷却剂引入构造成装入轻水核反应堆的燃料组件中的燃料入口机构，包括：过滤器，其在所述燃料组件的上游侧捕获包含在所述冷却剂中的异物，所述过滤器具有多个 通孔用于使冷却剂通过，并且通孔具有入口部分，出口部分和至少一个弯曲部分，直到入口部分不能通过直线从出口部分看到的程度。