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    • 71. 发明申请
    • Drive belt pulley and belt drive system
    • 驱动皮带轮和皮带传动系统
    • US20050070387A1
    • 2005-03-31
    • US10944709
    • 2004-09-21
    • Hirofumi MiyataShinichiro NishikawaMasashi Yoshimura
    • Hirofumi MiyataShinichiro NishikawaMasashi Yoshimura
    • F16H55/54F16H7/08F16H7/12F16H7/18F16H55/36F16H7/14F16H7/20
    • F16H7/12F16H7/18F16H55/36F16H2007/0865Y10S474/902
    • A hollow cylindrical pulley body 5 is carried rotatably by a hollow cylindrical shaft member 11. A support rod 8 is inserted in the shaft member 11, and the shaft member 11 is elastically supported to the support rod 8 through an elastic body 10. The elastic body 10 is provided within a quarter of the periphery of the support rod 8 that is located, when viewed along the axis of the shaft member 11, forward of the line of action of a radial shaft load on the shaft member 11 with respect to the direction of rotation of the pulley body 5. With this configuration, when the drive belt 3 deviates to one side, the pulley body 5 is immediately angularly moved so that it is inclined with a level difference with respect to the direction of the radial shaft load and is positioned obliquely relative to the drive belt 3. In this manner, a force of compensating for the deviation of the drive belt 3 is produced to avoid its wobbling.
    • 中空的圆筒形滑轮主体5由中空圆柱形轴构件11可旋转地承载。支撑杆8插入轴构件11中,并且轴构件11通过弹性体10弹性地支撑到支撑杆8.弹性 主体10设置在支撑杆8的周边的四分之一区域内,当沿着轴构件11的轴线观察时,支撑杆8的周边中的径向轴负载的作用线在轴构件11上相对于 通过这种构造,当驱动带3偏离到一侧时,滑轮体5立即成角度地移动,使得其相对于径向轴负载的方向倾斜水平差 并且相对于驱动带3倾斜地定位。以这种方式,产生补偿传动带3的偏差的力,以避免其摆动。
    • 73. 发明授权
    • Silicon nitride sintered body and process for producing the same
    • 氮化硅烧结体及其制造方法
    • US5369065A
    • 1994-11-29
    • US118023
    • 1993-09-08
    • Masashi YoshimuraJin-Joo MatsuiTakehisa YamamotoAkira Yamakawa
    • Masashi YoshimuraJin-Joo MatsuiTakehisa YamamotoAkira Yamakawa
    • C04B35/584C04B35/593C04B35/58
    • C04B35/5935
    • A silicon sintered body comprising a matrix phase consisting of silicon nitride and a grain boundary phase in which the silicon nitride consists of 66 to 99% by volume of .beta.-Si.sub.3 N.sub.4 and/or .beta.'-sialon with the balance being .alpha.-Si.sub.3 N.sub.4 and/or .alpha.'-sialon, the .beta.-Si.sub.3 N.sub.4 and/or .beta.'-sialon consisting of hexagonal rod-like grains having a diameter of 500 nm or less in the minor axis and an aspect ratio 5 to 25, the .alpha.-Si.sub.3 N.sub.4 and/or .alpha.'-sialon consisting of equi-axed grains having an average diameter of 300 nm or less, and titanium compounds are contained within the grains of the matrix phase and in the grain boundary phase. The sintered body is produced by mixing (1) 100 parts by weight of .alpha.-Si.sub.3 N.sub.4 powder, (2) 0.1 to 10 parts by weight of titanium oxide having an average particle size of 100 nm or less and (3) 2 to 15 parts by weight, in total, of specified sintering aids; molding the resultant powder mixture into a green compact; subjecting the green compact to primary sintering and secondary sintering under the prescribed conditions.
    • 一种硅烧结体,包括由氮化硅和晶界相组成的基质相,其中氮化硅由66-99体积%的β-Si 3 N 4和/或β' - 赛隆组成,余量为α-Si 3 N 4和/ 或α' - 塞隆,β-Si 3 N 4和/或β'-Sialon由短轴具有500nm或更小直径的六角棒状晶粒和5至25的长宽比组成,α-Si 3 N 4和/ 或由平均直径为300nm以下的等轴晶粒组成的α'-Sialon,并且钛化合物包含在基质相的晶粒内和晶界相中。 烧结体通过混合(1)100重量份的α-Si 3 N 4粉末,(2)0.1〜10重量份的平均粒径为100nm以下的氧化钛和(3)2〜15重量份 总共为指定的烧结助剂; 将所得粉末混合物成型为生坯; 在规定的条件下对生坯进行一次烧结和二次烧结。