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    • 73. 发明授权
    • Method for attaching metallic tubing to nonmetallic pressure vessel, and
pressure vessel made by the method
    • 将金属管连接到非金属压力容器的方法和通过该方法制造的压力容器
    • US5441219A
    • 1995-08-15
    • US68509
    • 1993-05-27
    • Robert A. Rauscher, Jr.
    • Robert A. Rauscher, Jr.
    • B29C53/82B64G1/40F02K9/60F17C1/16B65D90/04B64D37/00
    • B64G1/402B29C53/822F02K9/605F17C1/16F17C2201/0128F17C2203/0673F17C2205/0305F17C2205/0397F17C2209/2163F17C2221/014F17C2221/017F17C2221/08F17C2223/0123F17C2265/04F17C2270/0186F17C2270/0197
    • A method for making a pressure tank includes procuring a metallic feed pipe (12) with a substantially cylindrical outer surface (312), a bore (21), and, at an attachment end thereof, an annular ring (350) protruding from the cylindrical outer surface. A dissolvable mandrel (410) in the shape of the desired tank or pressure vessel is made. The mandrel includes a neck portion (412, 414) dimensioned to fit within the bore of the feed pipe. If necessary, the outer surface of the mandrel is rendered electrically conductive, as for example by metal sputtering or evaporation, or by electroless deposition. A thin layer (328) of ductile metal is then electrolytically deposited over the outer surface of the mandrel, extending onto the outer surface of the feed pipe in the pipe-to-tank coupling region, closely fitting over the annular ring, to thereby form a tank liner. A composite reinforcing shell (322) is formed around the liner, and extending over the liner in the coupling region. Thereafter, a solvent is applied to dissolve the mandrel. In a particular embodiment, the ductile metal is copper, the metallic pipe is steel, and the composite material is graphite-fiber reinforced epoxy, applied in the form of a yarn, tow or tape which may be preimpregnated with partially cured epoxy resin, or which if not preimpregnated, is impregnated during winding. The epoxy is cured to form the reinforcing shell. A spacecraft includes a thruster engine, a tank as described, and interconnecting plumbing.
    • 一种用于制造压力罐的方法包括采购具有基本上圆柱形的外表面(312),孔(21)的金属进料管(12),并且在其附接端处具有从圆柱形突出的环形圈(350) 外表面。 制成所需罐或压力容器形状的可溶解心轴(410)。 心轴包括一个颈部(412,414),其尺寸适于装配在进料管的孔内。 如果需要,心轴的外表面被导电,例如通过金属溅射或蒸发,或通过无电沉积。 然后将电介质金属的薄层(328)电解沉积在心轴的外表面上,延伸到管 - 罐耦合区域中的馈送管的外表面上,紧密地配合在环形环上,从而形成 坦克班轮 复合增强外壳(322)围绕衬套形成,并且在耦合区域中在衬垫上延伸。 此后,施加溶剂以溶解心轴。 在一个具体实施例中,延性金属是铜,金属管是钢,复合材料是石墨纤维增强的环氧树脂,以纱线,丝束或带的形式施加,其可以用部分固化的环氧树脂进行预浸渍,或 如果不预先浸渍,则在卷绕期间被浸渍。 环氧树脂固化形成增强外壳。 航天器包括一个推进器发动机,一个如上所述的油箱和互连的管道。
    • 75. 发明授权
    • Method and apparatus for determination and display of gas consumption
time
    • 测定和显示气体消耗时间的方法和装置
    • US4970897A
    • 1990-11-20
    • US448026
    • 1989-12-08
    • William D. Budinger
    • William D. Budinger
    • A61M16/10A62B9/00B63C11/32F17C13/00F17C13/02
    • A61M16/10A62B9/006B63C11/32F17C13/003F17C13/02B63C2011/021F17C2221/011F17C2223/0123F17C2250/043F17C2250/0473F17C2265/04F17C2270/0189F17C2270/025F17C2270/0781
    • A portable, battery powered apparatus is provided for determining and displaying the amount of time that a fixed supply of breathable gas can sustain a consumer who wishes to breathe the gas at one or more ambient pressures. The apparatus include a device for measuring the ambient pressure in the vicinity of the consumer at least once every ten second and for generating signals representative of the ambient pressure. A device is provided for measuring the pressure of the supply gas and for generating signals representative of the supply gas pressure. The apparatus preferably includes a programmed microprocessor which periodically receives a series of supply gas pressure measurement signals and periodically determines from the series of supply gas pressure measurement signals the average rate at which the supply gas was consumed (Consumption Rate) over a time at least five times as long as the average time between the supply gas pressure measurements. A normalized Consumption Rate is determined by normalizing each determined Consumption Rate to compensate for the ambient pressure on the consumer during the time period over which the Consumption Rate was determined. A normalized Consumption Time is determined by dividing a supply gas pressure measurement by the normalized Consumption Rate. A projected Consumption Time is determined for one or more ambient pressures of interest by adjusting the normalized Consumption Time to each ambient pressure of interest. A display is provided for receiving and displaying to the consumer one or more projected Consumption Times and one or more associated ambient pressures.
    • 提供了一种便携式电池供电设备,用于确定和显示固定供应的透气气体可以维持希望在一个或多个环境压力下呼吸气体的消费者的时间量。 该装置包括用于至少每十秒测量消费者附近的环境压力并产生表示环境压力的信号的装置。 提供了一种用于测量供应气体的压力并产生表示供气压力的信号的装置。 该装置优选地包括编程的微处理器,其周期性地接收一系列供应气体压力测量信号,并且从供应气体压力测量信号的一系列周期性地确定供应气体消耗的平均速率(消耗率)在一段时间内至少五 时间长于供气压力测量之间的平均时间。 通过归一化每个确定的消耗率以在消费率确定的时间段内补偿消费者的环境压力来确定归一化消耗率。 通过将供气压力测量值除以归一化消耗率来确定归一化消耗时间。 通过将归一化的消耗时间调整到感兴趣的每个环境压力,确定一个或多个感兴趣的环境压力的预计消耗时间。 提供了一种显示器,用于向消费者接收和显示一个或多个投影消耗时间和一个或多个相关环境压力。