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    • 47. 发明申请
    • Vanadia-Titania Aerogel Catalysts, Preparing Method of The Same, and Oxidative Destruction of Chlorinated Aromatic Compounds Using The Same
    • 钒酸二氧化钛气凝胶催化剂,其制备方法及使用其的氯化芳族化合物的氧化破坏
    • US20090202420A1
    • 2009-08-13
    • US12428329
    • 2009-04-22
    • Dong Jin SuhTae Jin ParkYoung Hyun YoonJin Soon Choi
    • Dong Jin SuhTae Jin ParkYoung Hyun YoonJin Soon Choi
    • C01B31/18
    • B01J23/22B01D53/8662B01J21/063B01J23/34B01J37/036
    • Disclosed are a vanadia-titania aerogel catalyst having high specific surface area and porosity, a method of preparing the same and a method of completely oxidatively-decomposing a chlorinated aromatic compound using the catalyst under air condition. The vanadia-titania aerogel catalyst of the invention is an aerogel form having many porosities and a high specific surface area obtained by performing a supercritical drying of vanadia-titania wet gel, which is prepared by a sol-gel method, with carbon dioxide and then firing the dried vanadia-titania, with a micro porosity structure being maintained, consists of vanadia and titania wherein a content of the vanadia is 1˜15 wt % of an overall catalyst weight. In addition, according to the invention, the vanadia-titania aerogel catalyst may further comprise a manganese oxide of 1˜5 wt % or a sulfur component of 0.0001˜1 wt %. Since the vanadia-titania aerogle catalyst of the invention has the very high conversion rate and selectivity for the complete oxidation reaction of the chlorinated aromatic compound and is very thermally stable, it can be usefully used in the oxidation reaction having a high heating value capable of generating local heat spots.
    • 公开了具有高比表面积和孔隙率的氧化钒 - 二氧化钛气凝胶催化剂,其制备方法和使用该催化剂在空气条件下完全氧化分解氯化芳族化合物的方法。 本发明的氧化钒 - 二氧化钛气凝胶催化剂是具有许多孔隙率和高比表面积的气凝胶形式,其通过使用溶胶 - 凝胶法制备的氧化钒 - 二氧化钛湿凝胶用二氧化碳进行超临界干燥,然后 焙烧干燥的氧化钒 - 二氧化钛,保持微孔结构,由氧钒和二氧化钛组成,其中氧钒的含量为总催化剂重量的1〜15重量%。 此外,根据本发明,氧化钒 - 二氧化钛气凝胶催化剂还可以包含1〜5重量%的氧化锰或0.0001〜1重量%的硫成分。 由于本发明的氧化钒 - 二氧化钛气溶胶催化剂对氯化芳族化合物的完全氧化反应具有非常高的转化率和选择性,并且非常热稳定,因此可以有用地用于具有高热值的氧化反应 产生局部热点。
    • 49. 发明授权
    • Guideway transit system
    • 轨道交通系统
    • US06318274B1
    • 2001-11-20
    • US09308979
    • 1999-05-28
    • Tae Jin Park
    • Tae Jin Park
    • B61B1300
    • B61B1/00B61L23/005
    • A PRT (personal rapid transit) system, utilizing both course reservation and branch stop technologies and radically solving the various problems experienced in conventional roadway systems, conventional railway systems and prior art APM or PRT systems, is disclosed. The PRT system of this invention has tunnel-type dedicated guideways located aboveground, groundlevel or underground and is computer-controlled, thus allowing small-sized and standardized PRT vehicles to run along the guideways at high speeds without having any congestion delays. The PRT system thus remarkably increases transit capacity and transit efficiency, provides a comfortable and rapid transit means and radically solves traffic congestion in a large metropolitan region.
    • PRT(个人快速运输)系统利用课程预约和分支停止技术,并彻底解决常规道路系统,传统铁路系统和现有技术APM或PRT系统中遇到的各种问题。 本发明的PRT系统具有位于地面,地面或地下的隧道式专用导轨,由计算机控制,从而允许小型和标准化的PRT车辆沿着导轨高速行驶而没有任何拥塞延迟。 PRT系统显着提高了过境能力和过境效率,提供了舒适快捷的过境手段,彻底解决了大城市交通拥堵问题。
    • 50. 发明授权
    • Circuit for controlling power supplied to a cathode heater of a cathode
ray tube
    • 用于控制供给阴极射线管的阴极加热器的电力的电路
    • US6084355A
    • 2000-07-04
    • US990905
    • 1997-12-15
    • Tae Jin Park
    • Tae Jin Park
    • H04N5/68G09G1/00H01J1/13H05B37/02
    • H01J1/135G09G1/005
    • A cathode heater of a cathode ray tube is rapidly energized either when turning on electric power or when returning to a power-on state mode of the Display Power Management System (DPMS) in an electronic appliance using the cathode ray tube as a video display device. A high voltage generation unit is provided for generating a voltage higher than a rated voltage of the cathode heater of the cathode ray tube. The cathode ray tube enables a stable video display to be presented in a shorter time period due to a rapid heating of the cathode caused when an initial heating unit applies a voltage to the cathode heater which is higher than the rated voltage of the cathode heater, according to a pulse signal which exists for a predetermined time period when turning on electric power or when returning to a power-on state mode of the DPMS. A voltage drop unit is provided to drop the voltage of the high voltage generation unit to the rated voltage of the cathode heater when the predetermined time period elapses so that the cathode heater is thereafter energized with the rated voltage for that cathode heater, in order to maintain the cathode at a normal operating temperature.
    • 阴极射线管的阴极加热器在接通电力时或在使用阴极射线管作为视频显示装置的电子设备中返回到显示器电源管理系统(DPMS)的通电状态时,被快速激励 。 提供高电压产生单元,用于产生高于阴极射线管的阴极加热器的额定电压的电压。 阴极射线管使得当初始加热单元向阴极加热器施加高于阴极加热器的额定电压的电压时,由于阴极的快速加热,能够在更短的时间内呈现稳定的视频显示, 根据在接通电力时存在预定时间段或当返回到DPMS的通电状态模式时的脉冲信号。 提供一个电压降单元,当经过预定时间段时,将高电压产生单元的电压降低到阴极加热器的额定电压,从而使阴极加热器之后以该阴极加热器的额定电压通电,以便 将阴极保持在正常工作温度。