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    • 2. 发明申请
    • POLYCARBONATE RESIN COMPOSITION AND MOLDED BODY OF THE SAME
    • 聚碳酸酯树脂组合物及其成型体
    • US20110196097A1
    • 2011-08-11
    • US12999142
    • 2009-06-10
    • Manabu NomuraSusumu Kanno
    • Manabu NomuraSusumu Kanno
    • C08L69/00B29B7/00C08L23/26C08L23/10C08L79/00
    • C08L69/00C08K5/17C08K5/19C08L23/0884C08L23/0892C08L23/10C08L51/06C08L2666/06C08L2666/02
    • Disclosed is a polycarbonate resin composition composed of a melt kneaded mixture containing a resin component comprising (A) from 50 to 94% by mass of an aromatic polycarbonate resin having a viscosity average molecular weight of from 16,000 to 26,000, (B) from 1 to 15% by mass of a polyolefin-based resin and/or a polyolefin-based elastomer containing from 3 to 30% by mass of an epoxy group or a glycidyl group and (C) from 5 to 40% by mass of a polypropylene-based resin produced by a slurry polymerization method; and (D) from 0.001 to 1 part by mass, based on 100 parts by mass of the resin component, of at least one member selected from the group consisting of an aliphatic amine salt, an aromatic amine salt, an ammonium hydroxide and a hydroxylammonium salt. The polycarbonate resin composition is excellent in impact resistance, bending strength, fluidity, chemical resistance and so on, does not suffer from lamellar separation after molding and is able to achieve low gloss. A molded body of the same is also disclosed.
    • 公开了一种聚碳酸酯树脂组合物,其由含有树脂组分的熔融捏合混合物组成,所述树脂组分包含(A)50至94质量%的粘均分子量为16,000至26,000的芳族聚碳酸酯树脂,(B)为1至 含有3〜30质量%的环氧基或缩水甘油基的聚烯烃类树脂和/或聚烯烃系弹性体的15质量%,(C)5〜40质量%的聚丙烯系 通过淤浆聚合法生产的树脂; 和(D)0.001〜1质量份,相对于树脂成分100质量份,选自脂肪族胺盐,芳香族胺盐,氢氧化铵和羟基铵中的至少1种 盐。 耐冲击性,弯曲强度,流动性,耐化学性等优异的聚碳酸酯树脂组合物在成型后不会发生层状分离,能够实现低光泽。 还公开了一种其成型体。
    • 3. 发明授权
    • Motor driving device
    • 电机驱动装置
    • US07038415B2
    • 2006-05-02
    • US10786135
    • 2004-02-26
    • Koji NakamuraManabu NomuraSatoshi Yoshimura
    • Koji NakamuraManabu NomuraSatoshi Yoshimura
    • H02H7/08
    • B60H1/00828B60H1/00428Y02T10/88
    • A temperature sensor (33) detects the temperature of a MOS transistor (7), and a current detecting circuit (35) detects current flowing in the MOS transistor (7). When the voltage corresponding to the detected temperature or the voltage corresponding to the detected current is increased to a threshold value or more, an overheat state detecting signal and further switching signal is set to a high level. As a result, a switch circuit in a driving circuit (17) is turned on, and the gate resistance value becomes the parallel value of a resistor (25), and the PWM frequency in the PWM control circuit is lowered, whereby the switching loss of the MOS transistor (7) can be reduced under the state that the motor (2) is rotated.
    • 温度传感器(33)检测MOS晶体管(7)的温度,电流检测电路(35)检测在MOS晶体管(7)中流动的电流。 当对应于检测到的温度或对应于检测电流的电压的电压增加到阈值或更大时,过热状态检测信号和进一步的开关信号被设置为高电平。 结果,驱动电路(17)中的开关电路导通,栅极电阻值成为电阻(25)的并联值,PWM控制电路中的PWM频率降低,开关损耗 可以在电动机(2)旋转的状态下减小MOS晶体管(7)。
    • 9. 发明授权
    • Lightweight resin molded product and production method thereof
    • 轻质树脂成型体及其制造方法
    • US06623838B1
    • 2003-09-23
    • US09508091
    • 2000-03-16
    • Manabu NomuraToru ShimaAtsushi SatoHirofumi Gouda
    • Manabu NomuraToru ShimaAtsushi SatoHirofumi Gouda
    • B32B328
    • B29C45/0005B29C44/12B29C45/1705B29C2045/1723Y10T428/2457Y10T428/24744Y10T428/2495Y10T428/249971Y10T428/249986
    • Using a mold equipped with a rib-forming member capable of moving forward and backward relative to the mold cavity, produced is a lightweight, hollow resin molding having a reinforcing rib structure in the hollow area, from a fiber-containing thermoplastic resin having a fiber content of from 10 to 70% by weight. To produce the molding, a melt of a fiber-containing thermoplastic resin is injected into the mold cavity or is injected thereinto under compression, then the movable mold member is moved backward in the direction in which the mold cavity is expandable, and after the start of the mold member moving, a gas is introduced into the resin melt. Even though the molding has a hollow structure and has a large surface area, it has good stiffness and high strength, and has good appearances. The weight of the molding can be well controlled and reduced to any desired degree. The molding has many applications in various fields.
    • 使用具有能够相对于模腔前后移动的肋形成构件的模具,是具有在中空区域中具有加强肋结构的轻质中空树脂模制品,其具有纤维的含纤维热塑性树脂 含量为10〜70重量%。 为了制造模制品,将含纤维的热塑性树脂的熔体注射到模腔中或在压缩下被注入,然后可动模具沿模腔扩展的方向向后移动,并且在开始之后 模具构件移动时,将气体引入到树脂熔体中。 即使成型件具有中空结构并且具有大的表面积,其具有良好的刚度和高强度,并且具有良好的外观。 模制品的重量可以很好地控制并减少到任何所需的程度。 该模具在各个领域有很多应用。