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    • 32. 发明授权
    • High TC superconducting cable conductor employing oxide superconductor
    • 采用氧化物超导体的高TC超导电缆导体
    • US06313408B1
    • 2001-11-06
    • US08766984
    • 1996-12-16
    • Jun FujikamiKenichi SatoTsukushi HaraHideo Ishii
    • Jun FujikamiKenichi SatoTsukushi HaraHideo Ishii
    • H01B1200
    • H01B12/02Y02E40/641
    • Provided is an insulated oxide superconducting cable conductor having a high critical current and a high critical current density. The insulated oxide superconducting cable conductor comprises an elongated former, a plurality of tape-shaped multifilamentary oxide superconducting wires which are wound on the former at a bending strain factor of not more than 0.5%, and a spirally wound tape-shaped insulating material covering the tape-shaped multifilamentary oxide superconducting wires. The tape-shaped multifilamentary superconducting wires are superposed on the former in layers, whereby stabilizing materials of the superposed superconducting wires are in contact with each other. The tape-shaped insulating material consists essentially of a material which is contracted at a thermal contraction rate of at least three times that of the tape-shaped multifilamentary wires by cooling from a temperature of 298 K to that of 77 K. The tape-shaped insulating material can apply a pressure to the superposed multifilamentary superconducting wires toward the former while improving electrical contact between the superposed multifilamentary superconducting wires by cooling in employment. The former can be formed of a flexible tube.
    • 提供了具有高临界电流和高临界电流密度的绝缘氧化物超导电缆导体。 绝缘氧化物超导电缆导体包括细长的成形器,多个带状复丝氧化物超导线,其以不大于0.5%的弯曲应变系数缠绕在前者上,以及螺旋卷绕的带状绝缘材料, 带状复丝氧化物超导线。 带状多丝超导线叠层叠在一起,由此叠加的超导线的稳定材料彼此接触。 带状绝缘材料基本上由以298K的温度冷却到77K的方式以至少三倍于带状复丝线的热收缩率收缩的材料组成。带状绝缘材料 绝缘材料可以向重叠的多丝超导线施加压力,同时通过就业冷却改善叠加的多丝超导线之间的电接触。 前者可以由柔性管形成。
    • 34. 发明授权
    • Compact two-group wide-angle zoom lens
    • 紧凑型两组广角变焦镜头
    • US06181484B2
    • 2001-01-30
    • US09314027
    • 1999-05-19
    • Kenichi Sato
    • Kenichi Sato
    • G02B1514
    • G02B15/161
    • In a compact wide-angle zoom lens having a two-group configuration composed of positive and negative lens groups, the first lens group is composed of G1A and G1B groups, while a stop is disposed between the G1A and G1B groups, thereby yielding a small lens thickness at its telephoto end and making it compact. The first lens group G1 is composed of G1A group comprising, successively from the object side, a negative lens having a meniscus form with a concave surface directed onto the object side and a positive lens having a meniscus form with a convex surface directed onto the object side, and G1B group having at least one biconvex lens. A shutter (stop) is disposed between the G1A and G1B groups, thereby allowing the first and second lens groups to be disposed close to each other at the telephoto end. Further, the zoom lens is set so as to satisfy the following conditional expressions: −0.6
    • 在具有由正透镜组和负透镜组构成的两组构造的紧凑型广角变焦透镜中,第一透镜组由G1A和G1B组构成,而在G1A和G1B组之间设置止动件,从而产生小的 镜头厚度在其长焦端,使其紧凑。 第一透镜组G1由以下组成的G1A组成:从物体侧依次具有具有朝向物体侧的凹面的弯月形状的负透镜和具有朝向物体的凸面的弯月形状的正透镜 侧面和具有至少一个双凸透镜的G1B组。 在G1A和G1B组之间设置快门(停止),从而允许第一和第二透镜组在远摄端处彼此靠近设置。 此外,变焦透镜被设定为满足以下条件表达式:其中:f'w是广角端整个透镜系统的后侧焦距; f'gla是G1A的焦距 组; Dab是G1A组和G1B组之间的空间。
    • 38. 发明授权
    • Brake booster apparatus for a vehicle
    • 车辆制动助力装置
    • US5904088A
    • 1999-05-18
    • US938834
    • 1997-09-26
    • Osamu OguraKenichi Sato
    • Osamu OguraKenichi Sato
    • B60T13/57F15B9/10
    • B60T13/57
    • A vehicle brake booster apparatus includes a housing, a movable wall positioned within the interior of the housing to divide the interior into a constant pressure chamber and a variable pressure chamber, a power piston connected to the movable wall for moving in response to movement of the movable wall, an axially movable input rod extending outwardly from the power piston for connection to a brake pedal, and an axially movable valve plunger mounted within the power piston and operatively connected to the input rod. A control valve is positioned within the power piston for controlling communication of the variable pressure chamber with atmospheric air. The control valve includes an air control valve and a vacuum control valve, with the air control valve including an air control seal arranged between the valve plunger and a valve body portion of the control valve. The air control seal has a radially outwardly located peripheral portion which possesses an elasticity that is greater than the elasticity of a radially inwardly located portion of the air control seal to thereby provide an effective air-tight seal.
    • 车辆制动助力装置包括壳体,位于壳体内部的可移动壁,以将内部分成恒定压力室和可变压力室,连接到可移动壁的动力活塞,用于响应于活塞的移动而移动 活动壁,从动力活塞向外延伸以连接到制动踏板的可轴向移动的输入杆,以及安装在动力活塞内并可操作地连接到输入杆的可轴向移动的阀柱塞。 控制阀位于动力活塞内,用于控制可变压力室与大气的连通。 控制阀包括空气控制阀和真空控制阀,空气控制阀包括布置在阀柱塞和控制阀的阀体部分之间的空气控制密封件。 空气控制密封件具有径向向外定位的外围部分,其具有大于空气控制密封件的径向向内定位的部分的弹性的弹性,从而提供有效的气密密封。