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    • 5. 发明授权
    • Apparatus for manufacture of oxygen from lunar ilmenite
    • 用于从月球钛铁矿制造氧气的装置
    • US5536378A
    • 1996-07-16
    • US309990
    • 1994-09-20
    • Michael A. GibsonChristian W. Knudsen
    • Michael A. GibsonChristian W. Knudsen
    • C01B5/00C01B13/02C21B3/04C22B1/00C25B1/02C25B1/04
    • C21B3/04C25B1/02Y02E60/366Y02P10/138Y02P10/212Y02P20/134Y02W30/542Y10S75/96
    • A reactor apparatus for production of Lunar oxygen uses feed stocks comprising a particulate hydrogen-reducible enriched feed in the size range from about 20-200 microns, containing 80-90% Lunar ilmenite (FeTiO.sub.3) and ferrous Lunar agglutinates. The reactor apparatus has three vertically spaced fluidized zones with downcomers from the upper to the central fluidized zone and openings for introducing a hydrogen-containing gas stream through the lower fluidized zone. A solid-to-gas RF-dielectric heater has a ceramic honeycomb with small parallel channels separated by thin, ceramic walls and electrodes surrounding the honeycomb connected to an external RF power source for heating the gas stream to a reducing reaction temperature. A top inlet introduces the enriched feed into the upper fluidized zone for fluidization therein and flow into middle and lower fluidized zones countercurrent to the flow of the gas stream. A solid-state electrolyzer is composed of calcium oxide- or yttrium oxide-stabilized zirconia ceramic fabricated by sintering or slipcasting into a perforated cylindrical shape having platinum electrodes on outer and inner longitudinal surfaces thereof. The electrolyzer cylinder is mounted inside two disk-shaped, impermeable ceramic baffles and centered inside a refractory-lined metal pressure shell. Gaseous effluent containing an equilibrium amount of water from the central fluidized zone passes through the electrolyzer for continuous electrolysis of the water. Apparatus is provided for separating oxygen from the electrolyzer and recycling hydrogen to the gas stream.
    • 用于生产月球氧的反应器装置使用包含大约20-200微米的颗粒状氢稀释富集进料的原料,其含有80-90%的月桂钛铁矿(FeTiO 3)和亚铁月桂凝集物。 反应器装置具有三个垂直间隔的流化区,其具有从上到中流化区的降液管和用于将含氢气流引入下流化区的开口。 固体 - 气体RF电介质加热器具有陶瓷蜂窝体,其具有由薄的陶瓷壁分隔的小平行通道和围绕连接到外部RF电源的蜂窝电极,用于将气流加热至还原反应温度。 顶部入口将富集的进料引入上部流化区以在其中流化,并且流入与气流的流动逆流的中间和下部流化区。 固态电解器由氧化钙或氧化钇稳定的氧化锆陶瓷构成,其通过在其外表面和内纵向表面上具有铂电极的烧结或滑移到具有多孔圆柱形状的方式制造。 电解槽安装在两个盘状的不可渗透的陶瓷挡板内,并在耐火材料衬里的金属压力壳内居中。 含有来自中央流化区的平衡量的水的气态流出物通过电解槽以连续电解水。 提供了用于从电解器中分离氧气并将氢气再循环到气流中的装置。
    • 6. 发明授权
    • Integrated lunar materials manufacturing process
    • 综合月球材料制造工艺
    • US4948477A
    • 1990-08-14
    • US118414
    • 1987-11-06
    • Michael A. GibsonChristian W. Knudsen
    • Michael A. GibsonChristian W. Knudsen
    • C01B5/00C01B13/02C21B3/04C22B1/00C25B1/02C25B1/04
    • C21B3/04C25B1/02Y02E60/366Y02P10/138Y02P10/212Y02P20/134Y02W30/542Y10S75/96
    • A manufacturing plant and process for production of oxygen on the moon uses lunar minerals as feed and a minimum of earth-imported, process materials. Lunar feed stocks are hydrogen-reducible minerals, ilmenite and lunar agglutinates occurring in numerous, explored locations mixed with other minerals in the pulverized surface layer of lunar soil known as regolith. Ilmenite (FeTiO.sub.3) and agglutinates contain ferrous (Fe.sup.+2) iron reducible by hydrogen to yield H.sub.2 O and metallic Fe at about 700.degree.-1,200.degree. C. The H.sub.2 O is electrolyzed in gas phase to yield H.sub.2 for recycle and O.sub.2 for storage and use. Hydrogen losses to lunar vacuum are minimized, with no net hydrogen (or any other earth-derived reagent) consumption except for small leaks. Feed minerals are surface-mined by front shovels and transported in trucks to the processing area. The machines are manned or robotic. Ilmenite and agglutinates occur mixed with silicate minerals which are not hydrogen-reducible at 700.degree.-1,200.degree. C. and consequently are separated and concentrated before feeding to the oxygen generation process. Solids rejected from the separation step and reduced solids from the oxygen process are returned to the mine area. The plant is powered by nuclear or solar power generators. Vapor-phase water electrolysis, a staged, countercurrent, fluidized bed reduction reactor and a radio-frequency-driven ceramic gas heater are used to improve thermal efficiency.
    • 月球上生产氧气的制造工厂和过程使用月球矿物作为饲料,还有最少的地球进口加工材料。 月球饲料是氢可还原矿物,钛铁矿和月球凝集物发生在许多被勘探的地点与其他矿物质混合在被称为regolith的月球土壤的粉碎表面层中。 钛铁矿(FeTiO3)和凝集物含有可由氢还原的亚铁(Fe + 2)铁,在约700-1200℃下产生H 2 O和金属Fe。将H 2 O在气相中电解以产生用于再循环的H 2和用于储存和使用的O 2 。 对月球真空的氢损失最小化,没有净氢(或任何其他地球衍生的试剂)消耗,除了小的泄漏。 饲料矿物由前铲挖掘并用卡车运输到加工区域。 机器有人或机器人。 钛铁矿和凝集物与在700°-1200℃不能氢还原的硅酸盐矿物混合,因此在进料到氧气生成过程之前分离和浓缩。 从分离步骤排出的固体和从氧气过程中还原的固体返回到矿区。 该厂由核能或太阳能发电机供电。 使用气相水电解,分级,逆流,流化床还原反应器和射频驱动陶瓷气体加热器来提高热效率。
    • 7. 发明授权
    • Thermally-enhanced oil recovery method and apparatus
    • 热增油采油方法及装置
    • US4694907A
    • 1987-09-22
    • US832267
    • 1986-02-21
    • Charles R. StahlMichael A. GibsonChristian W. Knudsen
    • Charles R. StahlMichael A. GibsonChristian W. Knudsen
    • E21B36/04F22B1/28E21B43/24
    • F22B1/287E21B36/04
    • A thermally-enhanced oil recovery method and apparatus for exploiting deep well reservoirs utilizes electric downhole steam generators to provide supplemental heat to generate high quality steam from hot pressurized water which is heated at the surface. A downhole electric heater placed within a well bore for local heating of the pressurized liquid water into steam is powered by electricity from the above-ground gas turbine-driven electric generators fueled by any clean fuel such as natural gas, distillate or some crude oils, or may come from the field being stimulated. Heat recovered from the turbine exhaust is used to provide the hot pressurized water. Electrical power may be cogenerated and sold to an electric utility to provide immediate cash flow and improved economics. During the cogeneration period (no electrical power to some or all of the downhole units), the oil field can continue to be stimulated by injecting hot pressurized water, which will flash into lower quality steam at reservoir conditions. The heater includes electrical heating elements supplied with three-phase alternating current or direct current. The injection fluid flows through the heater elements to generate high quality steam to exit at the bottom of the heater assembly into the reservoir. The injection tube is closed at the bottom and has radial orifices for expanding the injection fluid to reservoir pressure.
    • 用于开采深井储层的热增强油回收方法和装置利用电井下蒸汽发生器来提供补充热量,以在表面加热的热压水产生高质量的蒸汽。 放置在井眼内的井下电加热器用于将加压的液体水局部加热到蒸汽中,由来自由诸如天然气,馏出物或一些原油的任何清洁燃料驱动的地上燃气轮机驱动的发电机的电力供电, 或者可能来自被刺激的野外。 从涡轮排气回收的热量用于提供热压水。 电力可以被热电联产并出售给电力公司以提供即时的现金流和改善的经济性。 在热电联产期间(没有电力部分或全部井下装置),油田可以通过注入热的加压水继续受到刺激,这将在油藏条件下闪蒸成较低品质的蒸汽。 加热器包括提供有三相交流电流或直流电的电加热元件。 注射流体流过加热器元件以产生高质量的蒸汽,以在加热器组件的底部离开到储存器中。 注射管在底部封闭,并具有径向孔,用于将注射液扩张到储层压力。
    • 8. 发明授权
    • Lunar hydrogen recovery process
    • 月球氢回收过程
    • US4938946A
    • 1990-07-03
    • US181318
    • 1988-04-13
    • Michael A. GibsonChristian W. Knudsen
    • Michael A. GibsonChristian W. Knudsen
    • B01J8/28C01B3/02
    • B01J8/28C01B3/02Y10S423/16
    • A manufacturing plant and process for production of hydrogen on the moon uses lunar minerals as feed and a minimum of earth-imported, process materials. Lunar feedstock is the pulverized surface layer of lunar soil known as regolith. The regolith contains up to about 150 ppm (wt.) hydrogen presumably derived from the "solar wind". The regolith is screened and fines of less than 200 micron size are recovered. The 200 micron, and smaller, particles are introduced into a fluidized bed reactor and fluidized in a hydrogen gas stream at a temperature of about 600.degree. C. The off-gas is passed through an absorber to separate by-product gases, such as hydrogen sulfide, which may be generated in the process, part of the hydrogen is removed to storage, and the remainder is recycled to fluidize the reactor. The recovered raw product gas is preferably further treated using combinations of selected membrane permeations and cryogenic distillations to purify product hydrogen and recover byproduct .sup.3 He, .sup.4 He, N.sub.2, carbon oxides, hydrogen sulfide and other species desorbed with the hydrogen.
    • 月球上生产氢气的制造厂和生产工艺使用月球矿物作为饲料和最少的地球进口加工材料。 月球原料是被称为古生物的月球土壤的粉碎表面层。 该废物含有高达大约150ppm(重量)的氢,可能源于“太阳风”。 筛选出矿石,并回收小于200微米尺寸的细粉。 将200微米和更小的颗粒引入流化床反应器中并在氢气流中在约600℃的温度下流化。废气通过吸收器以分离副产物气体,例如氢气 硫化物,其可以在该过程中产生,将部分氢气除去至储存,其余部分被再循环以使反应器流态化。 回收的原始产物气体优选使用选择的膜渗透和低温蒸馏的组合进一步处理,以净化产物氢气并回收副产物3He,4He,N 2,碳氧化物,硫化氢和用氢解吸的其它物质。
    • 9. 发明授权
    • Double wall vacuum tubing and method of manufacture
    • 双壁真空管及其制造方法
    • US4876780A
    • 1989-10-31
    • US264351
    • 1988-10-31
    • Charles R. StahlMichael A. GibsonChristian W. Knudsen
    • Charles R. StahlMichael A. GibsonChristian W. Knudsen
    • B23K31/02F16L59/14F28F1/00
    • F16L59/14B23K31/027F28F1/003Y10S29/045Y10T29/49361Y10T29/49391Y10T29/49863Y10T29/4998
    • An evacuated double wall tubing is shown together with a method for the manufacture of such tubing which includes providing a first pipe of predetermined larger diameter and a second pipe having an O.D. substantially smaller than the I.D. of the first pipe. An evacuation opening is then in the first pipe. The second pipe is inserted inside the first pipe with an annular space therebetween. The pipes are welded together at one end. A stretching tool is secured to the other end of the second pipe after welding. The second pipe is then prestressed mechanically with the stretching tool an amount sufficient to prevent substantial buckling of the second pipe under normal operating conditions of the double wall pipe. The other ends of the first pipe and the prestressed second pipe are welded together, preferably by explosion welding, without the introduction of mechanical spacers between the pipes. The annulus between the pipes is evacuated through the evacuation opening, and the evacuation opening is finally sealed. The first pipe is preferably of steel and the second pipe is preferably of titanium. The pipes may be of a size and wall thickness sufficient for the double wall pipe to be structurally load bearing or may be of a size and wall thickness insufficient for the double wall pipe to be structurally load bearing, and the double wall pipe positioned with a sliding fit inside a third pipe of a load-bearing size.
    • 示出了抽真空的双壁管,以及用于制造这种管的方法,其包括提供预定较大直径的第一管和具有O.D.的第二管。 大大小于I.D. 的第一根管子。 然后在第一管中排出开口。 第二管插入第一管内,其间具有环形空间。 管道一端焊接在一起。 焊接后,拉伸工具固定在第二管的另一端。 然后,第二管道用拉伸工具机械预应力,足以在双壁管的正常操作条件下防止第二管的实质屈曲。 第一管和预应力第二管的另一端优选通过爆炸焊接在一起而不在管之间引入机械间隔件。 管道之间的环形空间通过排气口排出,最后将排气口密封。 第一管优选为钢,第二管优选为钛。 管道可以具有足够的尺寸和壁厚,用于双壁管在结构上承载,或者可以具有不足以使双壁管在结构上承载的尺寸和壁厚,并且双壁管定位在 滑动配合在承重尺寸的第三根管内。