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1. 发明授权

US4869868A Nuclear fuel 失效
标题翻译：核燃料
公开(公告)号：US4869868A
公开(公告)日：1989-09-26
申请号：US124126
申请日：1987-11-23
申请人： Kenneth W. Lay , Herman S. Rosenbaum , John H. Davies
发明人： Kenneth W. Lay , Herman S. Rosenbaum , John H. Davies
IPC分类号： G21C3/62
CPC分类号： G21C3/623 , Y02E30/38
摘要： A particulate mixture of uranium dioxide and additive of magnesium silicate composition is formed into a compact and sintered to produce a nuclear fuel wherein the uranium dioxide grains have an average grain size of at least about 20 microns and wherein substantially all of the grains are each enveloped with glassy magnesium silicate phase.

2. 发明授权

US4942016A Nuclear fuel element 失效
标题翻译：核燃料元素
公开(公告)号：US4942016A
公开(公告)日：1990-07-17
申请号：US245482
申请日：1988-09-19
申请人： Mickey O. Marlowe , Herman S. Rosenbaum , Trevor C. Rowland , Charles B. Patterson, Jr. , John H. Davies
发明人： Mickey O. Marlowe , Herman S. Rosenbaum , Trevor C. Rowland , Charles B. Patterson, Jr. , John H. Davies
IPC分类号： G21C3/20 , G21C3/60 , G21C3/62
CPC分类号： G21C3/20 , G21C3/60 , Y02E30/38
摘要： An improved nuclear fuel element for service in power generating, water cooled nuclear reactors, comprising a fuel cladding container of an alloy of zirconium provided with a barrier lining of unalloyed zirconium metal metallurgically bonded to the container's inner surface, and enclosed therein fissionable nuclear fuel including an additive of aluminum silicate.
摘要翻译：一种用于发电，水冷核反应堆的改进的核燃料元件，包括具有与金属结合到容器的内表面上的非合金锆金属的阻挡衬里的锆合金的燃料包层容器，并包含在其中的可裂变核燃料，其包括硅酸铝的添加剂。

3. 发明授权

US4390497A Thermal-mechanical treatment of composite nuclear fuel element cladding 失效
标题翻译：复合核燃料元件包层的热机械处理
公开(公告)号：US4390497A
公开(公告)日：1983-06-28
申请号：US304011
申请日：1981-09-21
申请人： Herman S. Rosenbaum , John H. Davies
发明人： Herman S. Rosenbaum , John H. Davies
IPC分类号： C22F1/18 , G21C3/20
CPC分类号： C22F1/186 , G21C3/20 , Y02E30/40
摘要： Cladding for nuclear fuel elements which is formed with a zirconium metal barrier layer bonded to the inside surface of a zirconium alloy tube and which is sized by a cold working tube reduction process and is heat treated after final reduction at a temperature and for a time period which allows substantially complete recrystallization of the zirconium metal barrier layer and provides a fine-grained microstructure therein and which stress-relieves but does not fully recrystallize the zirconium alloy tube. The crystallographic structure of the zirconium metal barrier layer may be improved by compressive deformation such as shot-peening.
摘要翻译：形成有与锆合金管的内表面结合的锆金属阻隔层的核燃料元件的包层体，其通过冷加工管的还原工序而定，并在最终还原温度和时间段之后进行热处理这允许锆金属阻挡层的基本上完全重结晶并且在其中提供细晶粒微结构，并且其应力消除但不完全重结晶锆合金管。锆金属阻挡层的晶体结构可以通过诸如喷丸硬化的压缩变形来改善。

4. 发明授权

US4869867A Nuclear fuel 失效
公开(公告)号：US4869867A
公开(公告)日：1989-09-26
申请号：US125630
申请日：1987-11-25
申请人： Kenneth W. Lay , Herman S. Rosenbaum , John H. Davies
发明人： Kenneth W. Lay , Herman S. Rosenbaum , John H. Davies
IPC分类号： G21C3/62
CPC分类号： G21C3/623 , Y02E30/38
摘要： A particulate mixture of uranium dioxide and additive of magnesium aluminosilicate composition is formed into a compact and sintered to produce a nuclear fuel wherein the uranium dioxide grains have an average grain size of at least about 20 microns and wherein substantially all of the grains are each enveloped with glassy magnesium aluminosilicate phase.

5. 发明授权

US4869866A Nuclear fuel 失效
公开(公告)号：US4869866A
公开(公告)日：1989-09-26
申请号：US123616
申请日：1987-11-20
申请人： Kenneth W. Lay , Herman S. Rosenbaum , John H. Davies , Mickey O. Marlowe
发明人： Kenneth W. Lay , Herman S. Rosenbaum , John H. Davies , Mickey O. Marlowe
IPC分类号： G21C3/62
CPC分类号： G21C3/623 , Y02E30/38
摘要： A mixture of uranium dioxide and additive of aluminosilicate composition is formed into a compact and sintered to produce a nuclear fuel wherein the uranium dioxide grains have an average grain size of at least about 20 microns and wherein substantially all of the grains are each enveloped by glassy aluminosilicate phase.

6. 发明授权

US5434897A Hydride damage resistant fuel elements 失效
标题翻译：耐氢化物损害燃料元素
公开(公告)号：US5434897A
公开(公告)日：1995-07-18
申请号：US215450
申请日：1994-03-21
申请人： John H. Davies
发明人： John H. Davies
IPC分类号： G21C3/17 , G21C3/16 , G21C3/20 , G21C21/02 , G21C3/00
CPC分类号： G21C3/16 , G21Y2002/207 , G21Y2002/303 , G21Y2004/30 , Y02E30/40
摘要： A cladding tube is provided having an axis and a cross-section perpendicular to the axis. The cross-section includes (1) an outer circumferential substrate having an inner surface, (2) a zirconium barrier layer bonded to the inner surface of the outer circumferential substrate, and (3) an inner circumferential liner bonded to the inner surface of the zirconium barrier layer. The inner circumferential liner includes a plurality of facets aligned substantially in parallel with the cladding tube axis. The facets--which define the geometry of the cladding interior--facilitate mixing among the gases in the cladding interior. Also provided is a fuel element including (1) a cladding tube having an faceted inner liner as described above, (2) nuclear fuel material disposed within said cladding tube in a fuel region, and (3) a plenum or plenums located in one or both end regions (beyond the nuclear fuel region) within the cladding tube. In the event of steam entering the cladding interior, the plenum(s) serves as a reservoir making steam available to dilute locally high hydrogen/steam regions. At least a portion of the nuclear fuel is a uranium dioxide having an oxygen to uranium mole ratio in excess of 2.
摘要翻译：提供具有垂直于该轴线的轴线和横截面的包层管。该截面包括（1）具有内表面的外周基板，（2）与外周基板的内表面接合的锆阻挡层，以及（3）内周衬垫，锆阻挡层。内周衬套包括与包层管轴线基本上平行排列的多个小面。限定包层内部几何形状的小平面有助于在包层内部的气体之间进行混合。还提供了一种燃料元件，其包括：（1）如上所述的具有小平面内衬的包层管，（2）燃料区中设置在所述包层管内的核燃料材料，以及（3）位于一个或多个在包壳管内的两个端部区域（超过核燃料区域）。在蒸汽进入包层内部的情况下，增压室用作储存器，使蒸汽可用于稀释局部高的氢/蒸汽区域。至少一部分核燃料是氧铀摩尔比超过2的二氧化铀。

7. 发明授权

US06697450B2 Zirconium-alloy clad fuel rods containing metal oxide for mitigation of secondary hydriding 失效
标题翻译：包含金属氧化物的锆合金包覆燃料棒，用于缓解二次氢化
公开(公告)号：US06697450B2
公开(公告)日：2004-02-24
申请号：US10330282
申请日：2002-12-30
申请人： Swaminathan Vaidyanathan , John H. Davies , Steven B. Wisner
发明人： Swaminathan Vaidyanathan , John H. Davies , Steven B. Wisner
IPC分类号： G21C300
CPC分类号： G21C3/18 , G21C3/20 , G21Y2002/104 , G21Y2004/101 , Y02E30/40
摘要： Method of fabricating a fuel rod, comprising providing an effective amount of a metal oxide in the fuel rod to generate steam and mitigate the tendency for secondary hydriding. Fuel rods fabricated according to the method of the invention are also provided.
摘要翻译：制造燃料棒的方法，包括在燃料棒中提供有效量的金属氧化物以产生蒸汽并减轻二次氢化的倾向。还提供了根据本发明的方法制造的燃料棒。

8. 发明授权

US4977490A Fluorescent light fitting and system 失效
标题翻译：荧光灯配件和系统
公开(公告)号：US4977490A
公开(公告)日：1990-12-11
申请号：US315598
申请日：1989-02-27
申请人： John H. Davies
发明人： John H. Davies
IPC分类号： F21S8/00 , F21S8/06 , F21V21/00 , F21V23/02 , F21V23/06
CPC分类号： F21S8/06 , F21S8/031 , F21V21/00 , F21V23/02 , F21V23/06 , F21Y2103/00 , F21Y2113/00
摘要： A fluorescent light fitting (1) comprises an elongate metal casing (2) of hollow cross-section with spaced-apart fluorescent tube holders (6) projecting from at least one wall (5) of the casing (2) and with another wall (4) of the casing provided with a removable or releasable baseplate (14) on which internal electrical components (13) are mounted, with means (18, 19, 20) to fasten the baseplate (14) to the fitting (1).

9. 发明授权

US4406012A Nuclear fuel elements having a composite cladding 失效
标题翻译：具有复合包层的核燃料元件
公开(公告)号：US4406012A
公开(公告)日：1983-09-20
申请号：US228344
申请日：1981-01-26
申请人： Gerald M. Gordon , Robert L. Cowan, II , John H. Davies
发明人： Gerald M. Gordon , Robert L. Cowan, II , John H. Davies
IPC分类号： G21C3/06 , G21C3/20
CPC分类号： G21C3/20 , G21C3/06 , Y02E30/40
摘要： An improved nuclear fuel element is disclosed for use in the core of nuclear reactors. The improved nuclear fuel element has a composite cladding of an outer portion forming a substrate having on the inside surface a metal layer selected from the group consisting of copper, nickel, iron and alloys of the foregoing with a gap between the composite cladding and the core of nuclear fuel. The nuclear fuel element comprises a container of the elongated composite cladding, a central core of a body of nuclear fuel material disposed in and partially filling the container and forming an internal cavity in the container, an enclosure integrally secured and sealed at each end of said container and a nuclear fuel material retaining means positioned in the cavity. The metal layer of the composite cladding prevents perforations or failures in the cladding substrate from stress corrosion cracking or from fuel pellet-cladding interaction or both. The substrate of the composite cladding is selected from conventional cladding materials and preferably is a zirconium alloy.
摘要翻译：公开了用于核反应堆核心的改进的核燃料元件。改进的核燃料元件具有形成衬底的外部部分的复合包层，所述衬底在内表面上具有选自铜，镍，铁的金属层和上述合金与复合材料包层和芯之间的间隙的核燃料。核燃料元件包括细长复合包层的容器，核燃料材料体的中心芯，其设置在容器中并部分地填充容器并在容器中形成内腔，外壳在所述容器内的每一端处一体地固定和密封容器和位于空腔中的核燃料材料保持装置。复合材料包层的金属层防止包层基体中的应力腐蚀开裂或燃料颗粒 - 包层相互作用或两者的穿孔或失效。复合包层的基材选自常规包层材料，优选为锆合金。

10. 发明授权

US5425263A Method for inspecting an article for concealed substances 失效
标题翻译：用于检查隐藏物品的物品的方法
公开(公告)号：US5425263A
公开(公告)日：1995-06-20
申请号：US69477
申请日：1993-06-01
申请人： John H. Davies , Frank J. Kuja
发明人： John H. Davies , Frank J. Kuja
IPC分类号： G01N1/02 , G01N1/22 , G01N35/00 , G01V9/00 , G01N25/14
CPC分类号： G01N1/2214 , G01V9/007 , G01N2001/024 , G01N2001/2223 , G01N35/00009
摘要： There is provided an assembly for preferentially separating and collecting particles that are gathered from the surface of an article such as an item of baggage. The assembly features an impactor and a suction anvil that is displaceable from a collection medium. The anvil is displaceable from the collection medium so that the medium may be removed and analyzed for traces of substances such as explosives or narcotics. There is also provided, in combination with the assembly, a vacuum head and conduit for gathering the particles and a suction unit for creating the suction force. The collection medium containing collected particles is moved from the impactor to an analyzer by a stage movement device. The analyzer includes an analysis unit, such as an Ion Mobility Spectrometer, and a displaceable heater anvil.
摘要翻译：提供了用于优先分离和收集从诸如行李物品的物品的表面收集的颗粒的组件。该组件具有可从收集介质移位的冲击器和吸砧。砧座可以从收集介质中移位，以便可以移除介质并分析痕量物质如爆炸物或麻醉剂。还提供了与组件结合的用于聚集颗粒的真空头和导管以及用于产生吸力的抽吸单元。含有收集颗粒的收集介质通过载物台移动装置从冲击器移动到分析器。分析仪包括分析单元，例如离子迁移率光谱仪和可置换的加热器砧座。

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