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    • 1. 发明授权
    • Optical change-over switch utilizing ferroelectric liquid crystal
material
    • 利用铁电液晶材料的光转换开关
    • US4836657A
    • 1989-06-06
    • US940491
    • 1986-12-10
    • Yasuhiro GunjiSadayuki OkadaMasato IsogaiKatsumi KondoMasahiko IbamotoKazuhiro KuwabaraAtsushi Kanke
    • Yasuhiro GunjiSadayuki OkadaMasato IsogaiKatsumi KondoMasahiko IbamotoKazuhiro KuwabaraAtsushi Kanke
    • G02F1/1333G02F1/141
    • G02F1/1326G02F1/141
    • The liquid crystal cell (30) for the optical change-over switch comprises a pair of transparent substrates (1), a pair of transparent flat electrodes (2) provided on the respective opposing surfaces of the substrates, orientation control films (3) provided on the flat electrodes (2), two pair of comb shaped electrodes (33) respectively provided on the orientation control films (3), and a ferroelectric liquid crystal layer (4) confined between the substrates (1). The optical incidence plane (31) to the cell (30) is so selected that the plane (31) is away from the helical axes (9) of the ferroelectric liquid crystal in the cell (30) in the order of somewhat greater than the tilt angle (.theta..sub.t) of the ferroelectric liquid crystal. The pair of flat electrodes (2) generate a first electric field (37a) perpendicular to the layer (32) and orient the long axes of the ferroelectric liquid crystal molecules into a first orientation (35a') parallel to the layer (32 ) to induce a first refractive index which causes simultaneous reflection of unpolarized light beam (7+8) with a predetermined incidence angle (.theta.). The two pair of comb shaped electrodes (33) generate a second electric field (37b') parallel to the layer and perpendicular to the helical axes (9) and orient the long axes of the molecules into a second orientation (35b') not in parallel to the layer (32) to induce a second refractive index which causes simultaneous transmission of the unpolarized light beam (7+8) with the predetermined incidence angle (.theta.).
    • 用于光转换开关的液晶单元(30)包括一对透明基板(1),设置在基板的相应相对表面上的一对透明平板电极(2),提供定向控制膜 在平面电极(2)上,分别设置在取向控制膜(3)上的两对梳状电极(33)和限制在基板(1)之间的铁电液晶层(4)。 选择细胞(30)的光入射平面(31),以使得平面(31)以略大于细胞(30)的大小的顺序远离细胞(30)中的铁电液晶的螺旋轴(9) 铁电液晶的倾斜角(θt)。 一对扁平电极(2)产生垂直于层(32)的第一电场(37a),并将铁电液晶分子的长轴定向成与层(32)平行的第一取向(35a')至 诱导第一折射率,其引起非偏振光束(7 + 8)以预定入射角(θ)的同时反射。 两对梳状电极(33)产生平行于该层并垂直于螺旋轴(9)的第二电场(37b'),并使分子的长轴定向成不在第二取向(35b') 平行于层(32)以诱导第二折射率,其引起非偏振光束(7 + 8)以预定入射角(θ)的同时透射。
    • 4. 发明申请
    • TWIN CLUTCH TRANSMISSION
    • 双离合传输
    • US20130160587A1
    • 2013-06-27
    • US13700495
    • 2011-05-31
    • Masahiko IbamotoHideki NakamuraDaisuke Hagihara
    • Masahiko IbamotoHideki NakamuraDaisuke Hagihara
    • F16H3/08
    • F16H3/08F16H3/006F16H2037/044F16H2037/049F16H2200/006F16H2200/0095Y10T74/19233
    • A twin clutch transmission for a large horsepower vehicle having a compact size and a high transmission efficiency is obtained.In a twin clutch transmission, there are provided an input shaft, an odd-numbered level speed change mechanism 30, an even-numbered level speed change mechanism 60, a synchronizing speed change mechanism 100, and an output mechanism 90. The speed change mechanisms 30 and 60 include transmission gear trains 32 and 62, main clutches 34 and 64 for selectively transmitting the powers of the transmission gear trains 32 and 62 to the transmission shafts 40 and 70. The synchronizing speed change mechanism 100 includes synchronizing gear trains 110 and 120 for coupling the rotation of the odd-numbered level transmission shaft 32 with the rotation of the even-numbered level transmission shaft 62, and synchronizing clutches 112 and 122 for selecting coupling by this synchronizing gear train.
    • 获得具有紧凑尺寸和高传动效率的用于大功率车辆的双离合器变速器。 在双离合器变速器中,设置有输入轴,奇数级变速机构30,偶数级别变速机构60,同步变速机构100和输出机构90.变速机构 30和60包括传动齿轮系32和62,用于选择性地将传动齿轮系32和62的动力传递到传动轴40和70的主离合器34和64.同步变速机构100包括同步齿轮系110和120 用于将奇数级传动轴32的旋转与偶数级传动轴62的旋转联接,以及用于通过该同步齿轮系选择联接的同步离合器112和122。