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    • 1. 发明授权
    • Method for continuous synthesis of metal oxide powders
    • 连续合成金属氧化物粉末的方法
    • US09126833B2
    • 2015-09-08
    • US14296643
    • 2014-06-05
    • David A. BerryDaniel J. HaynesDushyant ShekhawatMark W. Smith
    • David A. BerryDaniel J. HaynesDushyant ShekhawatMark W. Smith
    • C01B13/00C01B13/34
    • C01B13/34C01P2004/03C01P2004/32C01P2004/62
    • A method for the rapid and continuous production of crystalline mixed-metal oxides from a precursor solution comprised of a polymerizing agent, chelated metal ions, and a solvent. The method discharges solution droplets of less than 500 μm diameter using an atomizing or spray-type process into a reactor having multiple temperature zones. Rapid evaporation occurs in a first zone, followed by mixed-metal organic foam formation in a second zone, followed by amorphous and partially crystalline oxide precursor formation in a third zone, followed by formation of the substantially crystalline mixed-metal oxide in a fourth zone. The method operates in a continuous rather than batch manner and the use of small droplets as the starting material for the temperature-based process allows relatively high temperature processing. In a particular embodiment, the first zone operates at 100-300° C., the second zone operates at 300-700° C., and the third operates at 700-1000° C., and fourth zone operates at at least 700° C. The resulting crystalline mixed-metal oxides display a high degree of crystallinity and sphericity with typical diameters on the order of 50 μm or less.
    • 一种从由聚合剂,螯合金属离子和溶剂组成的前体溶液中快速和连续地生产结晶混合金属氧化物的方法。 该方法使用雾化或喷雾式方法将小于500μm直径的溶液液滴放入具有多个温度区的反应器中。 在第一区域中发生快速蒸发,随后在第二区域中形成混合金属有机泡沫,随后在第三区域中形成无定形和部分结晶的氧化物前体,随后在第四区域中形成基本上结晶的混合金属氧化物 。 该方法以连续而不是间歇的方式操作,并且使用小液滴作为基于温度的方法的起始材料允许相对较高的温度处理。 在特定实施例中,第一区域在100-300℃下操作,第二区域工作在300-700℃,第三区域在700-1000℃下操作,第四区域在至少700° 所得到的结晶混合金属氧化物显示出高度的结晶度和球形度,典型直径为50μm以下。
    • 3. 发明授权
    • Method of CO2 removal from a gasesous stream at reduced temperature
    • 在降低温度下从气流中除去CO2的方法
    • US08888895B1
    • 2014-11-18
    • US14022708
    • 2013-09-10
    • James C. FisherRanjani V. SiriwardaneDavid A. BerryGeorge A. Richards
    • James C. FisherRanjani V. SiriwardaneDavid A. BerryGeorge A. Richards
    • B01D53/02B01D53/04
    • B01D53/0462B01D53/04B01D53/261B01D2253/104B01D2253/108B01D2257/504B01D2257/80B01D2259/4009Y02C10/08
    • A method for the removal of H2O and CO2 from a gaseous stream comprising H2O and CO2, such as a flue gas. The method initially utilizes an H2O removal sorbent to remove some portion of the H2O, producing a dry gaseous stream and a wet H2O removal sorbent. The dry gaseous stream is subsequently contacted with a CO2 removal sorbent to remove some portion of the CO2, generating a dry CO2 reduced stream and a loaded CO2 removal sorbent. The loaded CO2 removal sorbent is subsequently heated to produce a heated CO2 stream. The wet H2O removal sorbent and the dry CO2 reduced stream are contacted in a first regeneration stage, generating a partially regenerated H2O removal sorbent, and the partially regenerated H2O removal sorbent and the heated CO2 stream are subsequently contacted in a second regeneration stage. The first and second stage regeneration typically act to retain an initial monolayer of moisture on the various removal sorbents and only remove moisture layers bound to the initial monolayer, allowing for relatively low temperature and pressure operation.Generally the applicable H2O sorption/desorption processes may be conducted at temperatures less than about 70° C. and pressures less than 1.5 atmospheres, with certain operations conducted at temperatures less than about 50° C.
    • 一种从包含H 2 O和CO 2的气流如烟道气中除去H 2 O和CO 2的方法。 该方法最初利用H 2 O去除吸附剂去除一部分H 2 O,产生干燥气流和湿H 2 O去除吸附剂。 随后将干燥的气流与除去CO 2的吸附剂接触以除去CO 2的一部分,产生干燥的CO 2还原物流和负载的CO 2去除吸附剂。 随后加载负载的CO 2去除吸附剂以产生加热的CO 2流。 湿的H 2 O除去吸附剂和干的CO 2还原物流在第一再生阶段接触,产生部分再生的H 2 O去除吸附剂,并且部分再生的H 2 O除去吸附剂和加热的CO 2流随后在第二再生阶段中接触。 第一和第二阶段再生通常用于在各种去除吸附剂上保留初始的单层水分,并且仅去除与初始单层结合的水分层,允许相对低的温度和压力操作。 通常,适用的H 2 O吸附/解吸过程可以在低于约70℃的温度和低于1.5个大气压的压力下进行,一些操作在小于约50℃的温度下进行。
    • 7. 发明授权
    • Punch device with adjustment subassembly as retrofit insert or as original equipment
    • 具有调整子组件的冲压装置作为改装插入件或原始设备
    • US07954404B2
    • 2011-06-07
    • US12150551
    • 2008-04-29
    • Bruce ThielgesDavid A. Berry
    • Bruce ThielgesDavid A. Berry
    • B26D7/00
    • B21D28/346B26D7/18B26D7/26B26F1/14Y10T83/2159Y10T83/9423Y10T83/9457Y10T83/9476
    • A punch assembly for a punch press has a punch housing with a punch that is slideably mounted for reciprocation along punch axis within the punch housing and at least one resilient member in the housing for yieldably biasing the punch upwardly in the housing along the punch axis. A punch length adjustment subassembly is provided in the punch housing. The subassembly has a base member that is slideable axially but non-rotatably mounted within the housing and a punch head member having an upper end that is positioned to be struck by a punch ram of a punch press for driving the punch downwardly to an operating position. The punch head is mounted for rotation on the punch axis relative to the base member but is held against axial movement relative to the base member. The punch head is operatively associated by a threaded length adjustment connection to the punch and a releasable stop member is connected between the punch head and the base member for preventing rotation of the punch head relative to the base member while the punch assembly is in operation on the punch press. The invention is also directed to the punch head subassembly per se as a retrofit insert to update existing punch assemblies for manual tooless punch length adjustment and tooless punch removal.
    • 用于冲压机的冲头组件具有冲头壳体,该冲头壳体具有可滑动地安装,用于沿着冲头壳体内的冲压轴线往复运动,以及壳体中的至少一个弹性构件,用于沿着冲头轴线可靠地将冲头向上偏置在壳体中。 冲头长度调整组件设置在冲头外壳中。 子组件具有可轴向滑动但不可旋转地安装在壳体内的基座构件,以及具有上端的冲头头构件,该上端被定位成被冲压机的冲头冲头撞击,以将冲头向下驱动到操作位置 。 打孔头安装成相对于基部构件在冲头轴线上旋转,但是相对于基部构件保持抵抗轴向移动。 打孔头通过与冲头的螺纹长度调节连接可操作地连接,并且可释放的止动构件连接在冲头和基部构件之间,用于防止冲头头相对于基部构件的旋转,同时冲头组件在操作时 冲压机。 本发明还涉及冲头组件本身作为更新插入件以更新现有的冲头组件,用于手动无工具冲头长度调节和无工具冲头移除。