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1. 发明授权

US5862194A Zirconium based alloy of low irradiation growth, method of producing the same, and use of the same 失效
标题翻译：低辐照生长的锆基合金及其制造方法及其用途
公开(公告)号：US5862194A
公开(公告)日：1999-01-19
申请号：US814337
申请日：1997-03-11
申请人： Tadashi Fujieda , Masahisa Inagaki , Iwao Takase , Junjiro Nakajima , Rinichi Asano , Takehiro Seto
发明人： Tadashi Fujieda , Masahisa Inagaki , Iwao Takase , Junjiro Nakajima , Rinichi Asano , Takehiro Seto
IPC分类号： C22C16/00 , C22F1/18 , G21C3/07 , G21C3/324 , C22F1/16
CPC分类号： C22C16/00 , C22F1/186 , G21C3/07 , G21Y2004/10 , Y02E30/40
摘要： The present invention provides a zirconium based alloy member which has very small deformation of elongation and bow occurring due to irradiation growth, a method of manufacturing it, and particularly an channel box for an atomic reactor fuel assembly. A zirconium based alloy plate member having a width of not less than 100 mm and a long length, containing not more than 5 wt % Nb and/or not more 5 wt % Sn, the member having (0001) orientation (Fl value) of hexagonal Zr with respect to longitudinal direction ranging from 0.20 to 0.35, the difference in Fl between the middle and the end being not more than the value calculated from (0.0935.times.Fl-0.00585) and an amount of bow at neutron irradiation of 35 GWd/t which bow occurs in the channel box for a reactor being not more than 2.16 mm.
摘要翻译：本发明提供一种锆基合金构件，其由于照射生长而具有非常小的伸长变形和弓形，其制造方法，特别是用于原子反应堆燃料组件的通道箱。一种宽度不小于100mm，长度不大于5重量％的Nb和/或不多于5重量％Sn的锆基合金板构件，具有（0001）取向（F1值）为相对于纵向为0.20〜0.35的六方晶相，中间和末端之间的F1的差不大于由（0.0935xFl-0.00585）计算的值，中子照射下的弓的量为35GWd / t 在弯道出现弯道不大于2.16mm的反应堆。

2. 发明授权

US5528641A Fuel assembly 失效
标题翻译：燃油组件
公开(公告)号：US5528641A
公开(公告)日：1996-06-18
申请号：US357261
申请日：1994-12-13
申请人： Kenichi Takeuchi , Koji Nishida , Yasunori Bessho , Yukihisa Fukasawa , Junjiro Nakajima
发明人： Kenichi Takeuchi , Koji Nishida , Yasunori Bessho , Yukihisa Fukasawa , Junjiro Nakajima
IPC分类号： G21C3/326 , G21C3/322 , G21C7/27 , G21C3/32
CPC分类号： G21C3/322 , G21Y2002/201 , G21Y2002/304 , G21Y2004/30 , G21Y2004/302 , G21Y2004/403 , Y02E30/38
摘要： A fuel assembly is provided with a coolant ascending path for making coolant rise and a water rod having a coolant descending path for conducting the coolant.A ratio of a flow area in a coolant inlet port of the smallest in coolant ascending path 13 on the downstream side than large diameter tube portion 3E to a flow area of the largest in the axial direction of coolant ascending path 13 in large diameter tube portion 3E is set to be 0.2-20%.In the normal operation, the declination degree from the liquid level in the coolant ascending path, corresponding to the coolant flow rate of the liquid level formed in the coolant ascending path can be controlled. Further, at the time of the excess the change speed of the liquid level can also be controlled.
摘要翻译：燃料组件设置有用于使冷却剂升起的冷却剂上升路径和具有用于导引冷却剂的冷却剂下降路径的水杆。在大直径管部3E的下游侧的冷却剂上升路径13中的最小的冷却剂入口的流入面积与大径管部中的冷却剂上升路径13的轴向上最大的流动面积的比 3E设定为0.2〜20％。在正常操作中，可以控制与冷却剂上升路径中形成的液面的冷却剂流量相对应的冷却剂上升路径中的液位的偏角度。此外，在过量时，也可以控制液面的变化速度。

3. 发明授权

US5297177A Fuel assembly, components thereof and method of manufacture 失效
标题翻译：燃料组件及其组件及制造方法
公开(公告)号：US5297177A
公开(公告)日：1994-03-22
申请号：US948030
申请日：1992-09-21
申请人： Masahisa Inagaki , Masayoshi Kanno , Hiromasa Hirakawa , Hideaki Ishizaki , Nobukazu Yamamoto , Hideo Maki , Junjiro Nakajima , Shozo Nakamura , Satoshi Kanno
发明人： Masahisa Inagaki , Masayoshi Kanno , Hiromasa Hirakawa , Hideaki Ishizaki , Nobukazu Yamamoto , Hideo Maki , Junjiro Nakajima , Shozo Nakamura , Satoshi Kanno
IPC分类号： C22F1/18 , G21C3/06 , G21C3/07 , G21C3/30 , G21C3/324 , G21C3/326 , G21C3/34
CPC分类号： C22F1/186 , G21C3/07 , G21Y2002/104 , G21Y2004/10 , G21Y2004/30 , Y02E30/40 , Y10S376/90
摘要： A fuel assembly, where crystallographic orientations of a channel box are brought into a random distribution; and cladding tubes, spacers and a channel box are made from highly corrosion-resistant, Fe--Ni, zirconium-based alloy, hardened in the (.alpha.+.beta.) phase or .beta.-phase temperature region, has an average discharge burnup level of 50 to 550 GWd/t.
摘要翻译：燃料组件，其中通道箱的晶体取向被带入随机分布; 并且包覆管，间隔件和通道箱由在（（α）+（β））相或（β）相温度区域硬化的高耐腐蚀性Fe-Ni，锆基合金制成，具有平均排放燃耗水平为50〜550 GW / t。

4. 发明授权

US4718949A Method of producing a cladding tube for reactor fuel 失效
标题翻译：生产反应堆燃料包层管的方法
公开(公告)号：US4718949A
公开(公告)日：1988-01-12
申请号：US915555
申请日：1986-10-06
申请人： Iwao Takase , Toshimi Yoshida , Shinzo Ikeda , Isao Masaoka , Junjiro Nakajima
发明人： Iwao Takase , Toshimi Yoshida , Shinzo Ikeda , Isao Masaoka , Junjiro Nakajima
IPC分类号： C22C16/00 , C22F1/18 , G21C3/06 , G21C3/07
CPC分类号： G21C3/07 , Y02E30/40 , Y10S376/90
摘要： A method of producing cladding tube comprises a step of temperature-gradient annealing in which the inner surface of the tube is heated to a temperature higher than the recrystallization temperature thereof, while the outer surface of the tube is cooled, after the tube has been hot-extruded. The temperature-gradient annealing is effected while a temperature gradient is maintained between the inner surface and the outer surface of the cladding tube. While keeping the inner surface at a temperature higher than the recrystallization temperature, and the outer surface at a temperature lower than the recrystallization temperature. The cladding tube is obtained with the outer surface which has an excellent resistance to nodular corrosion and a soft inner surface which has an excellent resistance to stress corrosion cracking.
摘要翻译：制造包层管的方法包括将管的内表面加热到高于其再结晶温度的温度的温度梯度退火步骤，同时管的外表面被冷却后，管被热 - 挤压。在包覆管的内表面和外表面之间保持温度梯度的同时进行温度梯度退火。同时将内表面保持在比再结晶温度高的温度，而外表面在低于再结晶温度的温度下。获得具有优异的抗结块腐蚀性的外表面和具有优异的耐应力腐蚀开裂性的软内表面的包覆管。

5. 发明授权

US5640435A Fuel assembly and nuclear reactor 失效
公开(公告)号：US5640435A
公开(公告)日：1997-06-17
申请号：US214760
申请日：1994-03-18
申请人： Hideki Kurosaki , Junjiro Nakajima , Hajime Umehara , Shozo Nakamura , Satoshi Kanno , Koji Nishida , Yasunori Bessho , Masahisa Inagaki , Osamu Yokomizo , Yuichiro Yoshimoto
发明人： Hideki Kurosaki , Junjiro Nakajima , Hajime Umehara , Shozo Nakamura , Satoshi Kanno , Koji Nishida , Yasunori Bessho , Masahisa Inagaki , Osamu Yokomizo , Yuichiro Yoshimoto
IPC分类号： G21C3/322 , G21C3/328 , G21C3/32 , G21C15/02
CPC分类号： G21C3/328 , G21C2003/3225 , G21Y2002/201 , G21Y2002/302 , G21Y2002/401 , G21Y2004/30 , G21Y2004/40 , Y02E30/38
摘要： The lower end of each of a plurality of fuel rods is supported by a fuel supporting portion of a lower tie plate. The fuel supporting portion includes a plurality of second coolant paths for supplying a coolant from below the fuel supporting portion to a first coolant path defined above the fuel supporting portion and between the fuel rods. The total cross-sectional area of all the second coolant paths is smaller than the cross-sectional area of the first coolant path. A water rod disposed between the fuel rods each includes an ascending tube path having therein a coolant ascending path having a coolant inlet port opening to a region below the fuel supporting portion, for guiding upward the coolant supplied through the coolant inlet port, and a descending tube having therein a coolant descending path having a coolant delivery port opening to said first coolant path, for guiding downward the coolant guided by said coolant ascending path and discharging the coolant through the coolant delivery port to the first coolant path. The descending tube path is so disposed outside the ascending tube path as to define a gap, through which the coolant inside the first coolant path flows, between it and the ascending tube path.

6. 发明授权

US5265139A Fuel assembly 失效
标题翻译：燃油组件
公开(公告)号：US5265139A
公开(公告)日：1993-11-23
申请号：US840939
申请日：1992-02-25
申请人： Yoshihiko Yanagi , Junjiro Nakajima , Kenji Kanamori , Hajime Umehara , Yasuhiro Aizawa , Toraki Sakuma , Hiromasa Hirakawa , Hideaki Ishizaki
发明人： Yoshihiko Yanagi , Junjiro Nakajima , Kenji Kanamori , Hajime Umehara , Yasuhiro Aizawa , Toraki Sakuma , Hiromasa Hirakawa , Hideaki Ishizaki
IPC分类号： G21C3/324 , G21C3/32
CPC分类号： G21C3/324 , G21Y2002/201 , G21Y2002/303 , G21Y2004/30 , Y02E30/40
摘要： A fuel assembly comprises a plurality of fuel rods supported by an upper tie plate and a lower tie plate respectively at each of upper end portion ad lower end portion, and a channel box surrounding a bundle of the fuel rods and the lower tie plate. The fuel assembly forms a natural uranium region at lower end portion of effective fuel length portion. A wall thickness at a lower thick wall region of the channel box is thicker than the wall thickness at a region disposed upwardly from the lower thick wall region and between corner portions of the channel box. An upper end of the lower thick wall region is disposed from an upper side of the lower tie plate and downwardly from an upper end of the natural uranium region. A wall thickness at the corner portion of the channel box is thicker than the wall thickness at a middle portion of the side wall between the corner positions at the region locating upward from the lower thick wall region. The fuel assembly is able to reduce stresses caused in the channel box during an earthquake, and, is able to improve fuel economy.

7. 发明授权

US5128098A Fuel assembly 失效
标题翻译：燃油总成
公开(公告)号：US5128098A
公开(公告)日：1992-07-07
申请号：US639256
申请日：1991-01-09
申请人： Shozo Nakamura , Tadashi Mizuno , Junjiro Nakajima , Yoshihiko Yanagi , Hajime Umehara , Tetsuo Yasuda , Akira Maru , Junichi Yamashita , Yuichiro Yoshimoto , Tatsuo Hayashi
发明人： Shozo Nakamura , Tadashi Mizuno , Junjiro Nakajima , Yoshihiko Yanagi , Hajime Umehara , Tetsuo Yasuda , Akira Maru , Junichi Yamashita , Yuichiro Yoshimoto , Tatsuo Hayashi
IPC分类号： G21C3/322
CPC分类号： G21C3/322 , Y02E30/38
摘要： A fuel assembly comprises a plurality of fuel rods, a lower tie plate for supporting lower ends of the fuel rods, and a channel box surrounding a bundle of the fuel rods and the circumference of the lower tie plate to thereby define a cooling water leak passage between the lower tie plate and the channel box. The fuel assembly includes a venturi provided in the lower tie plate for generating a force tending to attract the channel box toward the lower tie plate under the action of a leak stream of the cooling water passing through the cooling water leak passage. The fuel assembly also includes an arrangement provided in the lower tie plate for suppressing vibrations of the channel box caused upon an influence of the venturi.
摘要翻译：燃料组件包括多个燃料棒，用于支撑燃料棒的下端的下连接板，以及围绕燃料棒束和下连接板的圆周的通道箱，从而限定冷却水泄漏通道在下连接板和通道箱之间。燃料组件包括设置在下连接板中的文氏管，用于在通过冷却水泄漏通道的冷却水的泄漏流的作用下产生倾向于将通道箱吸引到下连接板的力。燃料组件还包括设置在下连接板中用于抑制文丘里管的影响引起的通道箱振动的装置。

8. 发明授权

US5872826A Fuel assembly channel box having burnable poison 失效
标题翻译：燃油组件通道箱有可燃毒
公开(公告)号：US5872826A
公开(公告)日：1999-02-16
申请号：US882335
申请日：1997-06-25
申请人： Tadashi Fujieda , Masahisa Inagaki , Iwao Takase , Yoshitaka Nishino , Junichi Yamashita , Akihiro Yamanaka , Kenichi Ito , Junjiro Nakajima , Takehiro Seto
发明人： Tadashi Fujieda , Masahisa Inagaki , Iwao Takase , Yoshitaka Nishino , Junichi Yamashita , Akihiro Yamanaka , Kenichi Ito , Junjiro Nakajima , Takehiro Seto
IPC分类号： G21C3/30 , G21C3/324 , G21C3/326 , G21C3/62 , G21C7/04
CPC分类号： G21C3/324 , G21C7/04 , G21Y2002/103 , G21Y2002/302 , G21Y2002/304 , G21Y2004/20 , G21Y2004/30 , G21Y2004/40 , Y02E30/39
摘要： A channel box for a nuclear-reactor fuel assembly (MOX fuel assembly) containing plutonium, capable of properly controlling the excess reactivity without mixing neutron absorber or burnable poison into a fuel rod, and a channel box for a nuclear-reactor fuel assembly which does not form any gap between the channel box and members containing burnable poison in the channel box and in which the burnable poison does not directly contact with reactor water.
摘要翻译：用于含有钚的核反应堆燃料组件（MOX燃料组件）的通道箱，能够适当地控制过量反应性而不将中子吸收剂或可燃毒物混入燃料棒中，以及用于核反应堆燃料组件的通道箱通道箱和通道箱中含有可燃毒物的物质之间不会形成任何间隙，其中可燃毒物不直接与反应堆水接触。

9. 发明授权

US5490192A Fuel assembly 失效
标题翻译：燃油组件
公开(公告)号：US5490192A
公开(公告)日：1996-02-06
申请号：US247854
申请日：1994-05-23
申请人： Junjiro Nakajima , Koji Nishida , Satoshi Kanno , Tadashi Mizuno , Yasunori Bessho , Masahisa Inagaki , Yasuhiro Aizawa
发明人： Junjiro Nakajima , Koji Nishida , Satoshi Kanno , Tadashi Mizuno , Yasunori Bessho , Masahisa Inagaki , Yasuhiro Aizawa
IPC分类号： G21C3/344 , G21C3/34
CPC分类号： G21C3/344 , G21Y2002/101 , G21Y2004/302 , Y02E30/40
摘要： A fuel assembly comprises a plurality of fuel rods, tie plates for holding both ends of these fuel rods, and spacers which support these fuel rods. The spacer comprises a plurality of cells into which the fuel rods are inserted respectively, the adjacent cells being joined to each other at axial ends thereof, whereby a space between these cells being held or retained, and a plurality of loop springs held respectively on the cells. Each of the loop springs has a pair of resilient members which are located within the pair of adjacent cells and which urge the fuel rods in a radial direction, and a pair of connections which connect axial ends of the resilient members to each other. Each of the connections have a passage through which coolant flows axially and which is defined by a closed peripheral wall. The closed peripheral wall is not uniform in thickness. The pair of adjacent cells have at axial end portions of peripheral walls openings for accommodating or receiving the connections of the loop spring.
摘要翻译：燃料组件包括多个燃料棒，用于保持这些燃料棒的两端的连接板以及支撑这些燃料棒的间隔件。间隔件包括分别插入燃料棒的多个单元，相邻的单元在其轴向端部彼此接合，由此保持或保持这些单元之间的空间，以及分别保持在该单元上的多个环形弹簧细胞。每个环形弹簧具有一对弹性构件，该弹性构件位于一对相邻的单元内并且沿径向推动燃料棒，以及将弹性构件的轴向端部彼此连接的一对连接件。每个连接件都有一个通道，冷却剂通过该通道轴向流动，并由封闭的外围壁限定。封闭的周边壁厚度不均匀。一对相邻的单元具有用于容纳或接收环形弹簧的连接的外围壁开口的轴向端部。

10. 发明授权

US4985199A Fuel spacer of separate cell type and manufacturing method therefor 失效
标题翻译：独立电池型燃料间隔器及其制造方法
公开(公告)号：US4985199A
公开(公告)日：1991-01-15
申请号：US250111
申请日：1988-09-28
申请人： Makoto Irube , Junjiro Nakajima , Hajime Umehara , Nobuo Tada , Masayoshi Ajima
发明人： Makoto Irube , Junjiro Nakajima , Hajime Umehara , Nobuo Tada , Masayoshi Ajima
IPC分类号： G21C3/34 , G21C3/344
CPC分类号： G21C3/344 , Y02E30/40
摘要： Each of cylindrical members composing a fuel spacer of separate cell type is formed at a edge portion thereof with a positioning notch or a positioning projection, which is located just opposite to one of fuel rod supporting projections formed on the inner surface of the cylindrical member. In manufacturing of the fuel spacer, the positioning notches or projections of the cylindrical members are engaged with the positioning projections or recesses formed on fuel spacer assembly jigs for precise and easy positioning of cylindrical members.
摘要翻译：构成分离单元型燃料间隔件的圆柱形构件的边缘部分形成有定位凹口或定位凸起，该定位凹口位于与形成在圆柱形构件的内表面上的燃料棒支撑突起之一正好相对的位置。在燃料间隔件的制造中，圆柱形构件的定位凹口或凸起与形成在燃料间隔件组件夹具上的定位凸起或凹槽接合，以便精确和容易地定位圆柱形构件。

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