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    • 1. 发明授权
    • Rubber product
    • 橡胶制品
    • US06365657B1
    • 2002-04-02
    • US09692055
    • 2000-10-20
    • Hideo GotoMakoto Nakamura
    • Hideo GotoMakoto Nakamura
    • C08K513
    • C08K5/13C08L9/00
    • The rubber product has similar stretchability to the human skin, so that it is useful for application to items to be put into direct contact with the skin. The rubber product is provided with 200% modulus M200 of equal to or less than 15 kgf/cm2 (14.7×105 Pa), and modulus ratios of 200% modulus M200) to 100%. modulus (M100) M200/M100, 300% modulus (M300) to 200% modulus (M200) M300/M200, and 400% modulus (M400) to 300% modulus (M300) M400/M300 all of which are equal to or less than 2.0.
    • 橡胶制品具有与人体皮肤相似的伸缩性,因此可用于与皮肤直接接触的物品。 橡胶制品具有等于或小于15kgf / cm2(14.7×105Pa)的200%模量M200和200%模量M200的模量比)至100%。 模量(M100)M200 / M100,300%模量(M300)至200%模量(M200)M300 / M200和400%模量(M400)至300%模量(M300)M400 / M300均等于或等于 超过2.0。
    • 3. 发明授权
    • Control system for AC electric motor
    • 交流电动机控制系统
    • US09077269B2
    • 2015-07-07
    • US14073146
    • 2013-11-06
    • Makoto NakamuraMikio Yamazaki
    • Makoto NakamuraMikio Yamazaki
    • H02P27/04H02P6/10
    • H02P6/10H02M3/1582H02P21/0089H02P27/085
    • Fluctuations in output of an AC electric motor are restrained without increasing electromagnetic noise of a boost converter. When subjecting the AC electric motor to rectangular wave voltage control, output torque T is controlled by varying a voltage phase φv. In a region where a voltage phase is large (φv=θ2), fluctuations in torque T relative to changes in a DC voltage VH corresponding to the amplitude of a rectangular wave voltage are larger than in a region where the voltage phase is small (φv=θ1). The AC electric motor is controlled such that the rectangular wave voltage control in a region where voltage phase φv is larger than a limit-phase line PLN indicated by a set of limit phases set for each DC voltage VH is avoided.
    • 在不增加升压转换器的电磁噪声的情况下,可以抑制交流电动机输出的波动。 当对交流电动机进行矩形波电压控制时,通过改变电压相位来控制输出转矩T。 在电压相位大的区域(&phgr; v =η 2)中,与矩形波电压的振幅对应的直流电压VH相对于变化的转矩T的波动大于电压相位 是小(&phgr; v =&thetas; 1)。 控制交流电动机,使得在电压相位v大于由针对每个直流电压VH设定的一组极限相指示的极限相线PLN的区域中的矩形波电压控制被避免。