Method of forming and starting a sodium sulfur battery
    3.
    发明授权
    Method of forming and starting a sodium sulfur battery 失效
    形成和启动钠硫电池的方法

    公开(公告)号:US4247605A

    公开(公告)日:1981-01-27

    申请号:US137349

    申请日:1980-04-07

    申请人: David G. Paquette

    发明人: David G. Paquette

    IPC分类号: H01M10/39 H01M10/44

    CPC分类号: H01M10/3909 Y10T29/4911

    摘要: A method of forming a sodium sulfur battery and of starting the reactive capability of that battery when heated to a temperature suitable for battery operation is disclosed.An anodic reaction zone is constructed in a manner that sodium is hermetically sealed therein, part of the hermetic seal including fusible material which closes up openings through the container of the anodic reaction zone. The hermetically sealed anodic reaction zone is assembled under normal atmospheric conditions with a suitable cathodic reaction zone and a cation-permeable barrier. When the entire battery is heated to an operational temperature, the fusible material of the hermetically sealed anodic reaction zone is fused, thereby allowing molten sodium to flow from the anodic reaction zone into reactive engagement with the cation-permeable barrier.

    摘要翻译: 公开了一种形成钠硫电池并且当加热到适于电池操作的温度时启动该电池的反应能力的方法。 阳极反应区的构造方式是将钠密封在其中,气密密封的一部分包括通过阳极反应区的容器闭合开口的可熔材料。 密封的阳极反应区在正常的大气条件下装配合适的阴极反应区和阳离子可渗透的屏障。 当整个电池被加热到工作温度时,密封的阳极反应区的易熔材料被熔化,从而允许熔融的钠从阳极反应区流到与阳离子可渗透屏障的反应性接合。

    Method of making a radar transparent window material operable above
2000.degree. C.
    4.
    发明授权
    Method of making a radar transparent window material operable above 2000.degree. C. 失效
    雷达透明窗材料在2000℃以上可操作的方法

    公开(公告)号:US5627542A

    公开(公告)日:1997-05-06

    申请号:US812420

    申请日:1985-12-23

    申请人: David G. Paquette

    发明人: David G. Paquette

    摘要: A method is disclosed for making a microwave radar transparent window material operable at temperatures above 2000.degree. C., and which material possesses high tensile strength, is resistant to .erosion as well as particle impact at such temperatures, and is highly machinable. The method comprises: blending a powder mixture of 20-60% by weight silicon nitride, 12-40% boron nitride, 15-40% boron nitride, 15-40% silica, and 1-20% oxygen carrying sintering aids; (b) molding the mixture to shape as a preform; and (c) densifying the shaped preform into a monolithic window having high temperature stability and transparency at high temperatures.

    摘要翻译: 公开了一种用于制造在高于2000℃的温度下操作的微波雷达透明窗材料的方法,并且哪种材料具有高拉伸强度,在这样的温度下具有抗腐蚀性以及颗粒的冲击,并且是高度可机加工的。 该方法包括:将20-60重量%的氮化硅,12-40%氮化硼,15-40%氮化硼,15-40%二氧化硅和1-20%氧气烧结助剂的粉末混合物混合; (b)将混合物成型成预制件; 和(c)将成形的预制件致密化成具有高温稳定性和高透明度的整体窗。

    Method of fabricating coolable ceramic structures
    5.
    发明授权
    Method of fabricating coolable ceramic structures 失效
    制造可冷却陶瓷结构的方法

    公开(公告)号:US5139716A

    公开(公告)日:1992-08-18

    申请号:US483473

    申请日:1990-02-20

    摘要: Coolant passages (14) of non-machinable size and shape are formed in a ceramic body (10) by individually forming sections (16) of the body (10), embedding graphite (20) therein during preforming, assembling the sections (16) into a complete preform (11), integrating the preform (24) by densifying it in an inert atmosphere under heat and pressure, and then heating the densified preform (10) in air to vaporize the graphite (19,20). In another aspect of the invention, a ceramic body (32) is formed from a three-dimensional, filled-in weave of silica fibers (30) in which the fibers (34) extending in one of the three dimensions are graphite and are subsequently vaporized.

    摘要翻译: 通过分别形成本体(10)的部分(16),在预成型过程中将石墨(20)嵌入其中,将不可机加工的尺寸和形状的冷却剂通道(14)形成在陶瓷体(10)中, (11),通过在惰性气氛中在热和压力下将其致密化,然后在空气中加热致密的预制件(10)以蒸发石墨(19,20),使预制件(24)整合。 在本发明的另一方面,陶瓷体(32)由三维填充的二氧化硅纤维(30)编织形成,其中在三维之一中延伸的纤维(34)是石墨,随后 蒸发