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1. 发明公开

EP3796334A2 A FUEL ASSEMBLY FOR A LIGHT WATER NUCLEAR REACTOR 审中-公开
公开(公告)号：EP3796334A2
公开(公告)日：2021-03-24
申请号：EP20187454.2
申请日：2008-12-25
申请人： Thorium Power, Inc.
发明人： BASHKIRTSEV, Sergey Mikhailovich , KUZNETSOV, Valentin Fedorovich , KEVROLEV, Valery Vladimirovich , MOROZOV, Alexey Glebovich
IPC分类号： G21C3/326 , G21C3/02 , G21C1/00 , G21C1/02 , G21C3/33 , G21C3/60 , G21C5/20
摘要： A fuel assembly for a light-water nuclear reactor with a square shape in the plan view and comprising a seed region, including a bundle of seed fuel elements that are arranged in the rows and columns of a square coordinate grid in a cross-section; wherein each seed fuel element has a four-lobed profile forming spiral ribs, and comprises a kernel that includes enriched uranium or plutonium; and a blanket region, surrounding the seed region and including a bundle of breeding fuel elements; wherein, when viewed in a plan-view cross-section, the breeding fuel elements are arranged in the rows and columns of a square coordinate grid, and the breeding fuel elements define a plurality of square-shaped rings surrounding the seed region; and wherein each of the seed fuel elements defines a first circumscribed diameter defined by a circle circumscribing the seed fuel element, and each of the breeding fuel elements defines a second circumscribed diameter defined by a circle circumscribing the breeding fuel element that is different than the first circumscribed diameter.

2. 发明公开

EP3796334A3 A FUEL ASSEMBLY FOR A LIGHT WATER NUCLEAR REACTOR 审中-公开
公开(公告)号：EP3796334A3
公开(公告)日：2021-06-23
申请号：EP20187454.2
申请日：2008-12-25
申请人： Thorium Power, Inc.
发明人： BASHKIRTSEV, Sergey Mikhailovich , KUZNETSOV, Valentin Fedorovich , KEVROLEV, Valery Vladimirovich , MOROZOV, Alexey Glebovich
IPC分类号： G21C3/326 , G21C3/02 , G21C1/00 , G21C1/02 , G21C3/33 , G21C3/60 , G21C5/20
摘要： A fuel assembly for a light-water nuclear reactor with a square shape in the plan view and comprising a seed region, including a bundle of seed fuel elements that are arranged in the rows and columns of a square coordinate grid in a cross-section; wherein each seed fuel element has a four-lobed profile forming spiral ribs, and comprises a kernel that includes enriched uranium or plutonium; and a blanket region, surrounding the seed region and including a bundle of breeding fuel elements; wherein, when viewed in a plan-view cross-section, the breeding fuel elements are arranged in the rows and columns of a square coordinate grid, and the breeding fuel elements define a plurality of square-shaped rings surrounding the seed region; and wherein each of the seed fuel elements defines a first circumscribed diameter defined by a circle circumscribing the seed fuel element, and each of the breeding fuel elements defines a second circumscribed diameter defined by a circle circumscribing the breeding fuel element that is different than the first circumscribed diameter.

3. 发明授权

EP2372717B1 FUEL ASSEMBLY FOR A LIGHT-WATER NUCLEAR REACTOR AND LIGHT-WATER NUCLEAR REACTOR 有权
标题翻译：燃油大会作轻水核反应堆及轻水核反应堆
公开(公告)号：EP2372717B1
公开(公告)日：2016-04-13
申请号：EP08879222.1
申请日：2008-12-25
申请人： Thorium Power, Inc.
发明人： BASHKIRTSEV, Sergey Mikhailovich , KUZNETSOV, Valentin Fedorovich , KEVROLEV, Valery Vladimirovich , MOROZOV, Alexei Glebovich
IPC分类号： G21C1/02 , G21C3/33 , G21C3/60 , G21C3/02 , G21C3/326 , G21C5/20
CPC分类号： G21C3/02 , G21C1/024 , G21C3/326 , G21C3/3305 , G21C3/60 , G21C5/20 , G21C2003/3265 , Y02E30/32 , Y02E30/38

4. 发明公开

EP2372717A1 FUEL ASSEMBLY FOR A LIGHT-WATER NUCLEAR REACTOR (EMBODIMENTS), LIGHT-WATER NUCLEAR REACTOR AND FUEL ELEMENT OF THE FUEL ASSEMBLY 有权
标题翻译： BRENNSTOFFBAUGRUPPEFÜREINEN LEICHTWASSER-KERNREAKTOR UND LEICHTWASSER-KERNREAKTOR
公开(公告)号：EP2372717A1
公开(公告)日：2011-10-05
申请号：EP08879222.1
申请日：2008-12-25
申请人： Thorium Power, Inc.
发明人： BASHKIRTSEV, Sergey Mikhailovich , KUZNETSOV, Valentin Fedorovich , KEVROLEV, Valery Vladimirovich , MOROZOV, Alexei Glebovich
IPC分类号： G21C3/326 , G21C3/02 , G21C1/00
CPC分类号： G21C3/02 , G21C1/024 , G21C3/326 , G21C3/3305 , G21C3/60 , G21C5/20 , G21C2003/3265 , Y02E30/32 , Y02E30/38
摘要： The invention falls into the category of light-water reactor's designs, in which thorium is used as the fuel, especially the designs of 17×17 jacketless fuel assembly, from which the cores of water-cooled, water-moderated power reactors are formed, such as reactors of the PWR type (for example, the AP-1000, the EPR, etc.). The light-water reactor fuel assembly has a square shape in the plan view and contains a seed region, a blanket region that encircles it, a upper nozzle, a lower nozzle of seed region, and a lower nozzle of blanket region. The fuel elements' bundle of seed region is arranged in the rows and columns of a square coordinate grid and has a four-lobed profile that forms spiral spacer ribs along the length of a fuel element. The blanket region contains a frame structure within which a bundle of fuel elements made from thorium with the addition of enriched uranium is positioned. The blanket region fuel elements are arranged in the two rows and columns of a square coordinate grid. In the other embodiment of the invention, the light-water reactor fuel assembly has a similar design; here, the blanket region fuel elements are arranged in the three rows and columns of a square coordinate grid.
The invention also falls into the category of the fuel elements employed in fuel assemblies and light-water reactors of the PWR type (for example, the AP-1000, EPR, etc.) that use fuel assemblies.
摘要翻译：本发明属于以钍为燃料的轻水反应堆设计，特别是17×17无夹套燃料组件的设计，其中形成水冷却，水慢化反应堆的核心，例如PWR型反应堆（例如AP-1000，EPR等）。轻水反应堆燃料组件在平面图中具有正方形形状，并且包含种子区域，环绕它的毯子区域，上部喷嘴，种子区域的下部喷嘴和毯子区域的下部喷嘴。种子区域的燃料元件束被布置在正方形坐标网格的行和列中，并且具有沿着燃料元件的长度形成螺旋间隔肋的四叶形轮廓。橡皮布区域包括框架结构，在该框架结构中，定位由钍制成的燃料元件束，并添加浓缩铀。橡皮布区域燃料元件布置在正方形坐标网格的两行和列中。在本发明的另一实施例中，轻水反应堆燃料组件具有相似的设计; 这里，橡皮布区域燃料元件布置在正方形坐标网格的三行和列中。本发明还属于使用燃料组件的燃料组件和使用燃料组件的PWR型（例如，AP-1000，EPR等）的轻水反应堆的类别。

5. 发明授权

EP2569776B1 FUEL ASSEMBLY 有权
标题翻译：燃料元件
公开(公告)号：EP2569776B1
公开(公告)日：2016-04-06
申请号：EP11735927.3
申请日：2011-05-11
申请人： Thorium Power, Inc.
发明人： BASHKIRTSEV, Sergey Mikhailovich , KUZNETSOV, Valentin Fedorovich , KEVROLEV, Valery Vladimirovich , MOROZOV, Alexey Glebovich , MONTGOMERY, Michael H.
IPC分类号： G21C3/08 , G21C3/326 , G21C3/60 , G21C3/64 , G21C21/02 , G21C21/10 , G21C3/06 , G21C3/322
CPC分类号： G21C3/08 , G21C3/06 , G21C3/322 , G21C3/326 , G21C3/60 , G21C3/64 , G21C21/02 , G21C21/10 , G21C2003/3265 , Y02E30/38 , Y10T29/49826

6. 发明公开

EP2569776A1 FUEL ASSEMBLY 有权
标题翻译：燃料元件
公开(公告)号：EP2569776A1
公开(公告)日：2013-03-20
申请号：EP11735927.3
申请日：2011-05-11
申请人： Thorium Power, Inc.
发明人： BASHKIRTSEV, Sergey Mikhailovich , KUZNETSOV, Valentin Fedorovich , KEVROLEV, Valery Vladimirovich , MOROZOV, Alexey Glebovich , MONTGOMERY, Michael H.
IPC分类号： G21C3/08 , G21C3/322 , G21C3/326 , G21C21/10 , G21C3/60 , G21C3/64 , G21C3/06
CPC分类号： G21C3/08 , G21C3/06 , G21C3/322 , G21C3/326 , G21C3/60 , G21C3/64 , G21C21/02 , G21C21/10 , G21C2003/3265 , Y02E30/38 , Y10T29/49826
摘要： Nuclear fuel assemblies include fuel elements that are sintered or cast into billets and co-extruded into a spiral, multi-lobed shape. The fuel kernel may be a metal alloy of metal fuel material and a metal-non-fuel material, or ceramic fuel in a metal non-fuel matrix. The fuel elements may use more highly enriched fissile material while maintaining safe operating temperatures. Such fuel elements according to one or more embodiments may provide more power at a safer, lower temperature than possible with conventional uranium oxide fuel rods. The fuel assembly may also include a plurality of conventional UO2 fuel rods, which may help the fuel assembly to conform to the space requirements of conventional nuclear reactors.

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