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    • 17. 发明授权
    • Polyether polyol production of a flexible urethane foam and shaped
article therefrom
    • 聚醚多元醇生产柔性聚氨酯泡沫及其成型制品
    • US5367050A
    • 1994-11-22
    • US197321
    • 1994-02-16
    • Yoshihiko TairakaMitsuhiro NishimuraKatsuhisa Kodama
    • Yoshihiko TairakaMitsuhiro NishimuraKatsuhisa Kodama
    • C08G18/50C08G18/63
    • C08G18/506C08G18/632C08G2101/0008C08G2101/0083
    • A polyether polyol produced by using an N-amino-ethylpiperazine-ethylene oxide aduct as an initiator and addition-polymerizing an alkylene oxide thereto and having a molecular weight of about 2000 to 7000; a process for producing a flexible urethane foam starting with the above polyether polyol; a process suited for the production of a hot-cure urethane foam which comprises using the above polyether polyol with a hydroxyl value of 40 to 80 mg KOH/g and, as a blowing agent, 4.6 to 6.0 weight parts of water based on 100 weight parts of the polyol; and a process suited for the production of a cold-cure urethane foam which comprises using the above polyether polyol with a hydroxyl value of 23 to 50 mg KOH/g and, as a blowing agent, 2.5 to 5.0 weight parts of water on the same basis.The use of the polyether polyol enables the production of a low-density, low-hardness flexible urethane foam using a small amount of water, without requiring any environment-unfriendly chlorofluorocarbon and without being accompanied by deterioration of humid age compression set and other characteristics.
    • 通过使用N-氨基 - 乙基哌嗪 - 环氧乙烷加成物作为引发剂并加成聚合烯化氧并分子量为约2000〜7000的聚醚多元醇; 从上述聚醚多元醇开始制造柔性聚氨酯泡沫塑料的方法; 一种适用于生产热固化聚氨酯泡沫的方法,其包括使用上述羟值为40-80mg KOH / g的聚醚多元醇,作为发泡剂,基于100重量份为4.6至6.0重量份的水 部分多元醇; 以及适用于生产冷固化聚氨酯泡沫的方法,该方法包括使用上述羟值为23至50mg KOH / g的聚醚多元醇,作为发泡剂,使用2.5至5.0重量份的水 基础。 使用聚醚多元醇能够使用少量的水生产低密度,低硬度的柔性聚氨酯泡沫,而不需要任何环境不友好的氯氟烃,并且不伴随潮湿压缩永久变形和其它特性的恶化。
    • 18. 发明授权
    • Instantaneous interruption detection apparatus and internal combustion engine control apparatus including the same
    • 瞬时中断检测装置和包括该瞬时中断检测装置的内燃机控制装置
    • US08370050B2
    • 2013-02-05
    • US12796881
    • 2010-06-09
    • Mitsuhiro NishimuraShinya HoshiYouhei MorimotoKazuhiro Higuchi
    • Mitsuhiro NishimuraShinya HoshiYouhei MorimotoKazuhiro Higuchi
    • F02M7/28
    • F02D35/023F02D41/222F02D41/2474F02D2041/1432F02D2041/281F02D2041/286G01M15/05Y02T10/40
    • The instantaneous interruption detection apparatus includes a noise removing section to remove a noise component from an in-cylinder pressure signal inputted thereto, and output a noise-removed in-cylinder pressure signal, a derivative signal calculating section to calculate a detection signal which is a function of a derivative value of the noise-removed in-pressure signal with respect to the crank angle of an internal combustion engine, an instantaneous interruption determining section configured to make determination that instantaneous interruption of the in-cylinder pressure signal has occurred when the detection signal has exceeded a detection threshold, and a threshold setting section configured to set the detection threshold to such a value that the instantaneous interruption determining section can make the determination in accordance with the noise-removed in-pressure signal which is dull compared to the in-cylinder pressure signal inputted to the noise removing section depending on a gain-frequency characteristic of the noise removing section.
    • 瞬时中断检测装置包括噪声去除部,其从输入的缸内压力信号中除去噪声成分,并输出噪声消除的缸内压力信号;微分信号计算部,计算检测信号为 相对于内燃机的曲柄角的噪声消除的压力信号的微分值的函数;瞬时中断确定部,被配置为当检测到汽缸内压力信号的瞬时中断时已经发生 信号已经超过检测阈值,并且阈值设定部分被配置为将检测阈值设置为瞬时中断确定部分可以根据噪声消除的压力信号进行确定,该噪声消除的压力信号与in 依赖于输入到噪声去除部的气缸压力信号 根据噪声去除部的增益频率特性。