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    • 54. 发明授权
    • Directional control valve for switching the mode of operation in a heat
transfer system
    • 用于切换传热系统中的操作模式的定向控制阀
    • US5690144A
    • 1997-11-25
    • US552876
    • 1995-11-03
    • Ikuo Takahashi
    • Ikuo Takahashi
    • F16K31/04F16K11/074F16K11/076F16K31/42F25B41/04F16K11/00
    • F25B41/046Y10T137/86839
    • A directional control valve is provided for switching the mode of operation in a heat transfer system which includes a compressor, for compressing a refrigerant, with discharge and suction ports, first and second heat exchangers, and an expansion valve provided between the first and second heat exchangers. The directional control valve includes a cylindrical valve body with a high pressure port which is fluidly connected to the discharge port through a conduit, a low pressure port which is fluidly connected to the suction port through a conduit, first and second ports which are connected to the first and second heat exchangers respectively through conduits. The directional control valve further includes a first valve element which is enclosed within the valve body and is rotational between first and second rotational positions about the axis of the valve body and an arrangement for rotating the first valve element between the first and second positions. The first valve element includes passages for fluidly connecting, at the first rotational position, the high pressure port to the second port, and connecting the low pressure port to the first port, and at the second rotational position, connecting the high pressure port to the first port, and connecting the low pressure port to the second port to switch the flow direction of the refrigerant in the heat transfer system.
    • 提供方向控制阀,用于切换传热系统中的操作模式,所述传热系统包括用于压缩制冷剂的压缩机,具有排出和吸入口,第一和第二热交换器,以及设置在第一和第二热量之间的膨胀阀 交换器。 方向控制阀包括具有高压端口的圆柱形阀体,其通过管道流体地连接到排出口,低压端口,其通过导管流体地连接到吸入口;第一和第二端口,其连接到 第一和第二热交换器分别通过导管。 方向控制阀还包括第一阀元件,其封闭在阀体内并且在围绕阀体的轴线的第一和第二旋转位置之间旋转,以及用于在第一和第二位置之间旋转第一阀元件的装置。 第一阀元件包括用于在第一旋转位置处将高压端口流体连接到第二端口并且将低压端口连接到第一端口的通道,并且在第二旋转位置处将高压端口连接到 第一端口,并且将低压端口连接到第二端口以切换传热系统中的制冷剂的流动方向。
    • 55. 发明授权
    • Urea-modified carbodiimide and process for production thereof
    • 脲改性碳化二亚胺及其生产方法
    • US5637769A
    • 1997-06-10
    • US494996
    • 1995-06-27
    • Yasuo ImashiroIkuo TakahashiNaofumi HorieTakeshi Yamane
    • Yasuo ImashiroIkuo TakahashiNaofumi HorieTakeshi Yamane
    • C07C273/18C07C267/00C07C275/14C07C275/18C07C275/26C08G18/02C08G18/28C08G18/78C08L67/02C07C275/06
    • C08G18/2865C07C267/00C07C275/14C07C275/26C08G18/025C08L67/02C07C2101/14
    • The present invention provides: a urea-modified carbodiimide represented by the following general formula ##STR1## (wherein each R is a C.sub.1 -C.sub.12 alkyl group or a C.sub.3 -C.sub.10 cycloalkyl group; each Z is a C.sub.1 -C.sub.12 alkylene group, a C.sub.3 -C.sub.10 cycloalkylene group, a C.sub.4 -C.sub.16 alkylene group having a cyclic or non-cyclic structure, or a C.sub.8 -C.sub.16 alkylene group having an aromatic ring; n is an integer of 1-50; and each m is an integer of 1 or 2), and a process for producing the above urea-modified carbodiimide, which comprises (1) reacting an organic aliphatic diisocyanate represented by the following general formulaO.dbd.C.dbd.N--Z--N.dbd.C.dbd.Owith a primary or secondary organic aliphatic amine to introduce urea bonds into the organic aliphatic diisocyanate and then carbodiimidizing the resulting product in the presence of a carbodiimidization catalyst, or (2) at least partially carbodiimidizing, in the presence of a carbodiimidization catalyst, said organic aliphatic diisocyanate and then reacting the resulting carbodiimide with a primary or secondary organic aliphatic amine to introduce urea bonds into the carbodiimide.The urea-modified carbodiimide of the present invention is free from the problems of the prior art, has good compatibility with polyester resins and other thermoplastic resins, and can improve the heat resistance and hydrolysis resistance of thermoplastic resins.
    • 本发明提供:由以下通式表示的脲改性碳化二亚胺:其中R为C1-C12烷基或C3-C10环烷基;各Z为C1-C12 亚烷基,C 3 -C 10亚环烷基,具有环状或非环状结构的C 4 -C 16亚烷基或具有芳香环的C 8 -C 16亚烷基; n为1-50的整数,m为 1或2的整数),以及上述尿素改性碳二亚胺的制造方法,其包括(1)使由以下通式O = C = NZN = C = O表示的有机脂族二异氰酸酯与伯或仲有机脂族 胺,将脲键引入有机脂族二异氰酸酯中,然后在碳二亚胺化催化剂存在下碳化二亚胺化所得产物,或(2)在碳二亚胺化催化剂存在下至少部分碳二亚胺化所述有机脂族二异氰酸酯,然后使所得产物 g碳二亚胺与一级或二级有机脂族胺,以将脲键引入碳二亚胺。 本发明的尿素改性碳化二亚胺没有现有技术的问题,与聚酯树脂和其它热塑性树脂具有良好的相容性,并且可以提高热塑性树脂的耐热性和耐水解性。
    • 57. 发明授权
    • Optical disk of polycarbonate
    • 聚碳酸酯的光盘
    • US4978578A
    • 1990-12-18
    • US225052
    • 1988-07-27
    • Tatsuya KannoIkuo TakahashiKenichi SasakiYoshiro IguchiYutaka Fukuda
    • Tatsuya KannoIkuo TakahashiKenichi SasakiYoshiro IguchiYutaka Fukuda
    • C08G64/06G11B7/253
    • G11B7/253C08G64/06Y10S428/913Y10T428/31507
    • An optical disk of the invention comprises a substrate of an aromatic polycarbonate obtained by polymerizing one or two monomers polymerized through carbonate linkages and a recording layer coated thereon, said recording layer being recordable and readable by a laser beam,the monomer being selected from the group consisting of:(a-1) 1,1'-bis-(4-hydroxyphenyl)-p-diisopropylbenzene(a-2) 1,1'-bis-(4-hydroxyphenyl)-m-diisopropylbenzene,(b-1) 2,2-bis-(4-hydroxyphenyl)propane,(b-2) 2,2-bis-(4-hydroxyphenyl)butane,(b-3) 2,2-bis-(4-hydroxyphenyl)-4-methylpentane,(b-4) 2,2-bis-(4-hydroxyphenyl)octane,(b-5) 1,1-bis-(4-hydroxyphenyl)cyclohexane,(b-6) 4,4'-dihydroxy-2,2,2-triphenylethane,(b-7) 2,2-bis-(4-hydroxy-3-methylphenyl)propane,(b-8) 2,2-bis-(4-hydroxy-3-isopropylphenyl)propane,(b-9) 2,2-bis-(4-hydroxy-3-sec.-butylphenyl)propane,(b-10) 2,2-bis-(3,5-dimethyl-4-hydroxyphenyl)propane,the polycarbonate being selected from the group consisting of:(I) a copolymer of 3 to 97 mole percent of (a-1) and 97 to 3 mole percent of one of (b-1) to (b-10),(II) a homopolymer of (a-1) and(III) a copolymer of 3 to 97 mole percent of (a-2) and 97 to 3 mole percent of one of (b-1), (b-5), (b-6), (b-10) and (a-1).
    • 本发明的光盘包括通过聚合通过碳酸酯键聚合的一种或两种单体和其上涂覆有记录层而获得的芳族聚碳酸酯的基材,所述记录层可由激光束记录和读取,所述单体选自组 由(a-1)1,1'-双 - (4-羟基苯基) - 对二异丙基苯(a-2)1,1'-双 - (4-羟基苯基) - 间二异丙苯,(b-1 )2,2-双 - (4-羟基苯基)丙烷,(b-2)2,2-双 - (4-羟基苯基)丁烷,(b-3)2,2-双 - (4-羟基苯基)-4 (b-4)2,2-双 - (4-羟基苯基)辛烷,(b-5)1,1-双 - (4-羟基苯基)环己烷,(b-6)4,4'-二羟基 -2,2,2-三苯基乙烷,(b-7)2,2-双 - (4-羟基-3-甲基苯基)丙烷,(b-8)2,2-双 - (4-羟基-3-异丙基苯基 )丙烷,(b-9)2,2-双 - (4-羟基-3-仲丁基苯基)丙烷,(b-10)2,2-双 - (3,5-二甲基-4-羟基苯基) 丙烷,所述聚碳酸酯选自:(I)3至97摩尔%的共聚物 (a-1)和(III)的均聚物(a-1)和97〜3摩尔%的(b-1)〜(b-10),(II) (a-2)和(b-1),(b-5),(b-6),(b-10)和(a-1)之一的(a-2)和97〜3摩尔%的百分比。
    • 60. 发明授权
    • Sensing element for catalytic combustion type gas sensor
    • 用于催化燃烧式气体传感器的感应元件
    • US08425846B2
    • 2013-04-23
    • US11092574
    • 2005-03-29
    • Ikuo TakahashiJunji Satoh
    • Ikuo TakahashiJunji Satoh
    • G01N27/16
    • G01N27/16
    • The catalytic combustion type gas sensor includes a sensing element, a heat conducting layer of which includes boron nitride. The boron nitride content is from 30 wt % to 100 wt % of a material (such as alumina) that would be a base material having the highest proportion in a conventional heat conducting layer without boron nitride. A catalyst layer of the sensing element also includes boron nitride. The boron nitride content is from 10 wt % to 80 wt % of a material (such as tin oxide) that would be a base material having the highest proportion in a conventional catalyst layer without boron nitride.
    • 催化燃烧型气体传感器包括感测元件,其导热层包括氮化硼。 氮化硼含量为在不含氮化硼的常规导热层中成为具有最高比例的基材的材料(例如氧化铝)的30重量%至100重量%。 感测元件的催化剂层还包括氮化硼。 氮化硼含量为在不含氮化硼的常规催化剂层中成为具有最高比例的基材的材料(如氧化锡)的10重量%至80重量%。