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    • 72. 发明授权
    • Power circuit-breaker
    • 电源断路器
    • US5898149A
    • 1999-04-27
    • US662939
    • 1996-06-12
    • Ernst BergerChristian Lindner
    • Ernst BergerChristian Lindner
    • H01H33/90H01H33/915H01H33/88H01H33/04
    • H01H33/905H01H33/904H01H2033/907
    • This power circuit-breaker has at least one cylindrically constructed arcing chamber which is provided with a stationary contact, with a moving contact and with a quenching zone between the two contacts. A shaft of the moving contact is permanently connected to a blowout volume which is closed off on the stationary contact side by an insulating nozzle through which at least one flow channel passes. The arcing chamber has a first compression volume which is operatively connected to the blowout volume and to a second compression volume. It is intended to provide a power circuit-breaker in which the blowing-out of the arc with pure SF.sub.6 gas is made stronger. This is achieved by providing a moving auxiliary piston between the first compression volume and the second compression volume and by the auxiliary piston being connected to the moving contact via a direction-changing device.
    • 该电源断路器具有至少一个圆柱形构造的电弧室,该电弧室设置有具有可移动触点的固定触点和两个触点之间的淬火区域。 可移动触点的轴永久地连接到通过至少一个流动通道通过的绝缘喷嘴在固定触点侧封闭的吹出口。 电弧室具有可操作地连接到吹出体积和第二压缩体积的第一压缩体积。 旨在提供一种电源断路器,其中使具有纯SF6气体的电弧吹出更强。 这通过在第一压缩容积和第二压缩容积之间提供移动的辅助活塞,并且辅助活塞经由方向改变装置连接到移动触点来实现。
    • 77. 发明授权
    • Molding compounds containing oxetanyl groups
    • 含有OXETANYL组的成型化合物
    • US5155168A
    • 1992-10-13
    • US633464
    • 1990-12-24
    • Holger LutjensDieter WittmannKarl-Erwin PiejkoChristian LindnerGerd Fengler
    • Holger LutjensDieter WittmannKarl-Erwin PiejkoChristian LindnerGerd Fengler
    • C08L51/00C08K5/1525C08L51/04C08L51/06C08L55/00C08L55/02C08L69/00C08L101/00C08L101/02
    • C08L51/04C08L69/00
    • Polymer mixtures ofA) 5 to 98 parts by weight and preferably 20 to 95 parts by weight of an aromatic polycarbonate,B) 2 to 70 parts by weight and preferably 5 to 60 parts by weight of a graft polymer of resin-forming monomers on a particulate diene and/or acrylate rubber having an average particle diameter (d.sub.50) of from 80 to 800 nm and preferably from 100 to 600 nm,C) 0 to 80 parts by weight and preferably 0.5 to 40 parts by weight of an uncrosslinked thermoplastic vinyl copolymer having a softening temperature above 30.degree. C.,in which either the resin-forming monomers in B) or a monomer of the thermoplastic vinyl copolymer C) or both have contained a monomer corresponding to formula (I) ##STR1## in which R.sup.1 =H, CH.sub.3 ; R.sup.2 =C.sub.1-8 alkylene; R.sup.3 =C.sub.1-4 alkylene, in such a quantity that the structural elements containing oxetanyl groups emanating therefrom make up from 0.05 to 5% by weight and the use of the thermoplastic molding compounds.
    • A)5至98重量份,优选20至95重量份的芳族聚碳酸酯的聚合物混合物,B)2至70重量份,优选5至60重量份的树脂形成单体的接枝聚合物 平均粒径(d50)为80〜800nm,优选为100〜600nm的颗粒状二烯和/或丙烯酸酯橡胶,C)0〜80重量份,优选0.5〜40重量份的未交联的热塑性塑料 软化温度高于30℃的乙烯基共聚物,其中B)中的树脂形成单体或热塑性乙烯基共聚物C)的单体或两者都含有对应于式(I)的单体(I) )其中R1 = H,CH3; R2 = C1-8亚烷基; R3 = C1-4亚烷基,其含有由其发出的氧杂环丁烷基的结构元素占0.05至5重量%,以及使用热塑性模塑料。
    • 78. 发明授权
    • Polycarbonate molding compositions
    • 聚碳酸酯成型组合物
    • US5126404A
    • 1992-06-30
    • US517084
    • 1990-05-01
    • Thomas EckelDieter WittmannChristian LindnerUwe Westeppe
    • Thomas EckelDieter WittmannChristian LindnerUwe Westeppe
    • C08F2/22C08F4/40C08F279/02C08L51/04C08L55/00C08L55/02C08L69/00
    • C08L51/04C08L69/00
    • Thermoplastic molding composition comprisingA. 5 to 99% by weight (based on A+B) of a polycarbonate based on substituted dihydroxydiphenyl cycloalkanesB. 1 to 95% by weight (based on A+B) of a graft polymer prepared by a special process of5 to 90 parts by weight of a mixture ofB.1.1. 50 to 95 parts by weight styrene, .alpha.-methyl styrene, C.sub.1-4 alkyl- or halogen-nucleus-substituted styrenes, C.sub.1-8 alkyl methacrylates, C.sub.1-8 alkyl acrylates or mixtures thereof andB.1.2. 5 to 50 parts by weight acrylonitrile, methacrylonitrile, C.sub.1-8 alkyl methacrylates, C.sub.1-8 alkyl acrylates, maleic anhydride, C.sub.1-4 alkyl-N-maleic imides, phenyl-N-maleic imides or mixtures thereof onB.2. 10 to 95 parts by weight of a diene rubber having an average particle diameter d50 of from 0.09 to 1 .mu.m and a gel content of more than 50% by weight and optionally at least one other thermoplastic resin which replaces up to 75% by weight of the polycarbonate A.
    • 含有5至99重量%(基于A + B)的基于取代的二羟基二苯基环烷烃的聚碳酸酯的热塑性模制组合物.B.1至95重量%(基于A + B)由特殊的 方法为5〜90重量份B.1.1的混合物。 50至95重量份苯乙烯,α-甲基苯乙烯,C 1-4烷基或卤素 - 核取代的苯乙烯,甲基丙烯酸C 1-8烷基酯,丙烯酸C 1-8烷基酯或其混合物和B.1.2。 5至50重量份丙烯腈,甲基丙烯腈,甲基丙烯酸C 1-8烷基酯,丙烯酸C 1-8烷基酯,马来酸酐,C 1-4烷基-N-马来酰亚胺,苯基-N-马来酰亚胺或其在B.2上的混合物。 10至95重量份平均粒径d 50为0.09至1微米且凝胶含量大于50重量%的二烯橡胶和任选的至少一种其它热塑性树脂,其代替75重量% 的聚碳酸酯A.