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49 条记录 (耗时 0.044 秒)

    Charging circuit in uninterruptible power supply system
    31.
    发明授权
    Charging circuit in uninterruptible power supply system 有权
    不间断电源系统中的充电电路

    公开(公告)号：US07230353B2

    公开(公告)日：2007-06-12

    申请号：US10820496

    申请日：2004-04-08

    申请人： Chao-Yang Hsu ,  Hung-Chieh Lin

    发明人： Chao-Yang Hsu ,  Hung-Chieh Lin

    IPC分类号： H02J7/02 ,  H02J9/00 ,  H02M7/797

    CPC分类号： H02J7/022 ,  H02J9/062 ,  Y10T307/25 ,  Y10T307/625 ,  Y10T307/658

    摘要： A charging circuit in a back-up power system is provided. The charging circuit includes an output terminal electrically connected to a main power for providing an AC output voltage, a transformer having a secondary electrically connected to the output terminal, an energy storage and supply device providing a DC voltage, an inverter having an output electrically connected to a primary of the transformer and an input electrically connected to the energy storage and supply device and including four gate control switch devices to form a bridge switching device, a bridge rectifier having an input electrically connected to the output of the inverter in parallel, and a charging switch device electrically connected to an output of the bridge rectifier in parallel so as to charge the electrical energy storage and supply device through one of a conduction state and a cut-off state of said charging switch device.

    摘要翻译： 提供备用电力系统中的充电电路。 充电电路包括电连接到用于提供AC输出电压的主电源的输出端子，具有与输出端子电连接的次级的变压器，提供DC电压的能量存储和供应装置，具有电连接的输出的反相器 变压器的主要部分和与能量存储和供给装置电连接的输入，并且包括四个门控制开关装置以形成桥式开关装置，桥式整流器具有与并联的逆变器的输出电连接的输入，以及 充电开关装置并联电连接到桥式整流器的输出，以便通过所述充电开关装置的导通状态和截止状态之一对电能存储和供给装置充电。

    Catalyst and process for production of cinnamates
    34.
    发明授权
    Catalyst and process for production of cinnamates 失效
    催化剂和生产肉桂酸酯的方法

    公开(公告)号：US4737591A

    公开(公告)日：1988-04-12

    申请号：US684822

    申请日：1984-12-21

    申请人： Chao-Yang Hsu

    发明人： Chao-Yang Hsu

    IPC分类号： C07C45/49 ,  C07C205/56 ,  C07C69/76

    CPC分类号： C07C45/49 ,  C07C201/12 ,  C07C45/36 ,  C07C67/36

    摘要： A method of preparing esters of cinnamic acid comprising catalytically reacting a styrene compound with carbon monoxide, oxygen, and an aliphatic alcohol. The catalyst is essentially a combination of a palladium (II) compound and a copper salt. A catalytic amount of a dehydrating agent may be present to increase the selectivity of the reaction.

    摘要翻译： 一种制备肉桂酸酯的方法，包括使苯乙烯化合物与一氧化碳，氧和脂族醇催化反应。 催化剂基本上是钯（II）化合物和铜盐的组合。 可能存在催化量的脱水剂以增加反应的选择性。

    Recovery of dimethyl sebacate from an isomeric mixture of C.sub.12 esters
    37.
    发明授权
    Recovery of dimethyl sebacate from an isomeric mixture of C.sub.12 esters 失效
    从C12酯的异构体混合物中回收癸二酸二甲酯

    公开(公告)号：US4365079A

    公开(公告)日：1982-12-21

    申请号：US222477

    申请日：1981-01-05

    申请人： Chao-Yang Hsu ,  Haven S. Kesling, Jr.

    发明人： Chao-Yang Hsu ,  Haven S. Kesling, Jr.

    IPC分类号： C07C67/52 ,  C07C67/303

    CPC分类号： C07C67/52

    摘要： Dimethyl sebacate is recovered from a reaction mixture containing it in predominant amount and minor amounts of other dimethyl esters of C.sub.10 -dicarboxylic acids by stepwise recrystallization using a solvent selected from the group consisting of acetone, diethyl ether, tetrahydrofuran, alkanols having 1 to 4 carbon atoms, aromatic hydrocarbons having 6 to 12 carbon atoms, alkanes and alkenes having 5 to 8 carbon atoms or a mixture of one of those solvents which is miscible with water, and water as recrystallization solvent.

    摘要翻译： 通过使用选自丙酮，乙醚，四氢呋喃，具有1至4个碳的链烷醇的溶剂通过逐步重结晶从含有主要量的其它反应混合物和少量的其它二羧酸二甲酯中回收癸二酸二甲酯 具有6至12个碳原子的芳族烃，具有5至8个碳原子的烷烃和烯烃或可与水混溶的那些溶剂之一的混合物，以及水作为重结晶溶剂。

    Preparation of unsaturated diester precursor for sebacic acid
    38.
    发明授权
    Preparation of unsaturated diester precursor for sebacic acid 失效
    制备癸二酸的不饱和二酯前体

    公开(公告)号：US4299976A

    公开(公告)日：1981-11-10

    申请号：US80354

    申请日：1979-09-28

    申请人： Chao-Yang Hsu ,  Haven S. Kesling, Jr.

    发明人： Chao-Yang Hsu ,  Haven S. Kesling, Jr.

    IPC分类号： C07C67/465 ,  B01J31/00 ,  C07B61/00 ,  C07C69/50 ,  C07C69/602

    CPC分类号： C07C69/50 ,  C07C69/602

    摘要： A process for producing an unsaturated diester useful as a precursor for sebacic acid which comprises contacting, in a reaction inert medium, methyl penta-2,4-dienoate at a temperature of 30 to 150.degree. C. under an inert atmosphere with a catalytic amount of a homogeneous palladium (II) complex of the formula ##STR1## wherein Q is phosphorous or arsenic; R is alkyl, trichloroalkyl, tribromoalkyl or trifluoroalkyl having from 1 to 6 carbon atoms or aryl having 6 to 12 carbon atoms and R' is alkyl, aminoalkyl or alkoxy having 1 to 6 carbon atoms or aryl or aryloxy having 6 to 12 carbon atoms.The foregoing precursor may subsequently be hydrogenated to dimethyl sebacate and sebacic acid may then be obtained by acid-catalyzed hydrolysis of dimethyl sebacate.

    摘要翻译： 一种制备用作癸二酸前体的不饱和二酯的方法，该方法包括在惰性介质中，在惰性气氛下，在惰性气氛下，在催化剂量的温度下，在30-150℃的温度下，使反应惰性介质中的甲基-2,4-二烯酸甲酯 的具有下式的均匀的钯（II）络合物：其中Q是磷或砷; R是具有1至6个碳原子的烷基，三氯烷基，三溴烷基或三氟烷基或具有6至12个碳原子的芳基，R'是具有1至6个碳原子的烷基，氨基烷基或烷氧基或具有6至12个碳原子的芳基或芳氧基。 随后将上述前体氢化成癸二酸二甲酯，然后可以通过酸式催化水解癸二酸二甲酯来获得癸二酸。

    Solid superacid catalysts comprising platinum metal
    39.
    发明授权
    Solid superacid catalysts comprising platinum metal 失效
    包含铂金属的固体超强酸催化剂

    公开(公告)号：US5629257A

    公开(公告)日：1997-05-13

    申请号：US184425

    申请日：1994-01-21

    申请人： Benjamin S. Umansky ,  Manoj V. Bhinde ,  Chao-Yang Hsu ,  Chen-Shi Huang

    发明人： Benjamin S. Umansky ,  Manoj V. Bhinde ,  Chao-Yang Hsu ,  Chen-Shi Huang

    IPC分类号： B01J27/053 ,  B01J27/02

    CPC分类号： B01J27/053

    摘要： A sulfated solid catalyst is provided which comprises (1) oxide or hydroxide of Group III or Group IV element, e.g. zirconium, and (2) a first metal comprising a metal or combination of metals selected from the group consisting of platinum, palladium, nickel, platinum and rhenium, and platinum and tin. The catalyst may further comprise (3) a second metal selected from the group consisting of Group VIII elements, e.g. iron. One embodiment of the invention further comprises (4) a third metal selected from the group consisting of Group V, VI and VII elements, e.g. manganese. The catalyst of the invention is useful for the isomerization of normal alkanes having 4 to 40 carbon atoms per molecule, for the naphtha upgrading of a hydrocarbon feedstock and for the hydrocracking of a hydrocarbon feedstock.

    摘要翻译： 提供硫酸化固体催化剂，其包含（1）III族或IV族元素的氧化物或氢氧化物，例如 锆，和（2）包含选自铂，钯，镍，铂和铼的金属或金属组合的第一金属，以及铂和锡。 催化剂还可以包含（3）选自VIII族元素的第二种金属，例如。 铁。 本发明的一个实施方案还包括（4）选自第V，VI和VII族元素的第三种金属，例如。 锰。 本发明的催化剂可用于每分子具有4至40个碳原子的正构烷烃异构化，用于烃原料的石脑油升级和烃原料的加氢裂化。

    Hydrocarbon isomerization using solid superacid catalysts comprising platinum metal
    40.
    发明授权
    Hydrocarbon isomerization using solid superacid catalysts comprising platinum metal 失效
    使用包含铂金属的固体超强酸催化剂进行烃异构化

    公开(公告)号：US5516964A

    公开(公告)日：1996-05-14

    申请号：US184154

    申请日：1994-01-21

    申请人： Benjamin S. Umansky ,  Manoj V. Bhinde ,  Chao-Yang Hsu

    发明人： Benjamin S. Umansky ,  Manoj V. Bhinde ,  Chao-Yang Hsu

    IPC分类号： B01J27/053 ,  C07C5/27 ,  C10G45/62 ,  C10G35/085

    CPC分类号： C10G45/62 ,  B01J27/053 ,  C07C5/2791 ,  C07C2521/06 ,  C07C2523/89 ,  C07C2527/053

    摘要： An isomerization process is provided which process utilizes a sulfated solid catalyst comprising (1) oxide or hydroxide of Group III or Group IV element, e.g. zirconium, and (2) a first metal comprising a metal or combination of metals selected from the group consisting of platinum, palladium, nickel, platinum and rhenium, and platinum and tin. The sulfated support is calcined prior to incorporation of the first metal and subsequent to said incorporation. The catalyst may further comprise (3) a second metal selected from the group consisting of Group VIII elements, e.g. iron. One embodiment of the invention further comprises (4) a third metal selected from the group consisting of Group V, VI and VII elements, e.g. manganese. Said second and third metals are added prior to the first calcination.

    摘要翻译： 提供异构化方法，该方法利用硫酸化固体催化剂，其包含（1）III族或IV族元素的氧化物或氢氧化物，例如 锆，和（2）包含选自铂，钯，镍，铂和铼的金属或金属组合的第一金属以及铂和锡。 硫酸化载体在引入第一种金属之前并在所述掺入之后被煅烧。 催化剂还可以包含（3）选自VIII族元素的第二种金属，例如。 铁。 本发明的一个实施方案还包括（4）选自第V，VI和VII族元素的第三种金属，例如。 锰。 在第一次煅烧之前加入所述第二和第三种金属。