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8 条记录 (耗时 0.015 秒)

    Air supply and exhaust system for pneumatic tool
    1.
    发明授权
    Air supply and exhaust system for pneumatic tool 失效
    气动工具供气排气系统

    公开(公告)号：US06196331B1

    公开(公告)日：2001-03-06

    申请号：US09296608

    申请日：1999-04-23

    申请人： Yasuhiro Naito ,  Hajime Takemura

    发明人： Yasuhiro Naito ,  Hajime Takemura

    IPC分类号： B23B4504

    CPC分类号： B25C1/047 ,  Y10S173/02

    摘要： An air supply and exhaust system comprising a pneumatic tool, an air supply source, an exhaust apparatus, and at least one double-pipeline air hose. The exhaust apparatus includes a filter through which exhaust from the pneumatic tool passes and is provided apart from the pneumatic tool. The double-pipeline air hose includes two pipelines and connects the pneumatic tool and the air supply source, wherein one of the pipeline is for air supply to the pneumatic tool and the other of pipeline is for exhaust from the pneumatic tool.

    摘要翻译： 一种供气和排气系统，包括气动工具，空气供应源，排气装置以及至少一个双管道空气软管。 排气装置包括过滤器，通过该过滤器，来自气动工具的排气通过并与气动工具分开设置。 双管道空气软管包括两条管道，并连接气动工具和供气源，其中一条管道用于供气到气动工具，另一条管道用于从气动工具排出。

    Compressor drive system for a natural gas liquefaction plant having an electric motor generator to feed excess power to the main power source
    3.
    发明授权
    Compressor drive system for a natural gas liquefaction plant having an electric motor generator to feed excess power to the main power source 失效
    一种用于天然气液化装置的压缩机驱动系统，其具有电动发电机以向主电源供给过量电力

    公开(公告)号：US5689141A

    公开(公告)日：1997-11-18

    申请号：US458322

    申请日：1995-06-06

    申请人： Yoshitsugi Kikkawa ,  Osamu Yamamoto ,  Yasuhiro Naito ,  Junichi Sakaguchi

    发明人： Yoshitsugi Kikkawa ,  Osamu Yamamoto ,  Yasuhiro Naito ,  Junichi Sakaguchi

    IPC分类号： F25B11/02 ,  F01D15/10 ,  F25B7/00 ,  F25B11/00 ,  F25J1/02 ,  F25J3/04 ,  F02C6/00 ,  F25J3/00

    CPC分类号： F01D15/10 ,  F25B11/00 ,  F25B7/00 ,  F25J1/0022 ,  F25J1/0052 ,  F25J1/0055 ,  F25J1/0216 ,  F25J1/0247 ,  F25J1/0283 ,  F25J1/0287 ,  F25J1/0292 ,  F25J1/0298 ,  F25J2220/64 ,  F25J2280/10

    摘要： In a compressor drive system for a natural gas liquefaction plant including a plurality of gas turbines each provided in an individual refrigeration cycle for pressurizing a different refrigerant, an electric motor is provided for each of the gas turbines so as to serve both as an auxiliary electric motor for generating a startup torque and as an AC generator, and the excess output power of the gas turbine is converted into electric power by this electric motor when the power requirement of the associated compressor is less than the power output of the gas turbine. Additionally, at least two of the gas turbines are of an identical make which is suitable for driving the compressor of one of the associated refrigeration cycles requiring a larger driving power. Therefore, the gas turbines can be operated at optimum conditions at all times without regard to seasonal changes of the operating conditions, and the efficient operation of the gas turbines will result in a significant reduction in the operation costs through a substantial saving of fuel consumption. Moreover, any excess power output of one of the gas turbines can be allocated so as to reduce the burden of the in-plant power station and/or to supplement the shortage of the power output of the other gas turbine, and the management of the stand-by units and spare parts can be simplified. These factors have a compounded effect in reducing the investment costs of the plant.

    摘要翻译： 在包括多个燃气轮机的天然气液化装置的压缩机驱动系统中，每个燃气轮机分别设置在用于对不同制冷剂进行加压的个别制冷循环中，为每个燃气轮机设置电动马达，以作为辅助电动机 用于产生起动转矩的电动机和作为交流发电机的电动机，并且当相关联的压缩机的功率需求小于燃气轮机的功率输出时，燃气轮机的过量输出功率被该电动机转换成电力。 此外，至少两个燃气涡轮机具有相同的功能，其适合于驱动相关制冷循环中的一个的压缩机，需要更大的驱动功率。 因此，燃气轮机可以始终在最佳条件下运行，而不考虑运行条件的季节性变化，燃气轮机的有效运行将大大节省燃料消耗，从而显着降低运行成本。 此外，可以分配一个燃气轮机的任何多余的功率输出，以便减少工厂内电站的负担和/或补充另一燃气轮机的功率输出的不足，以及管理 备用单元和备件可以简化。 这些因素在降低工厂的投资成本方面具有复合效应。

    Pneumatic tire including land portion having arcuate and convex tread surface
    5.
    发明授权
    Pneumatic tire including land portion having arcuate and convex tread surface 有权
    气动轮胎包括具有弧形和凸形胎面的陆部

    公开(公告)号：US06722408B2

    公开(公告)日：2004-04-20

    申请号：US09494172

    申请日：2000-01-31

    申请人： Yasuhiro Naito

    发明人： Yasuhiro Naito

    IPC分类号： B60C1103

    CPC分类号： B60C11/0083 ,  B60C11/00 ,  B60C11/01 ,  B60C11/0309 ,  B60C11/042 ,  B60C11/13 ,  B60C2011/013

    摘要： A center rib and a second rib are formed at a tread surface of a pneumatic tire along an outer contour line L1 of a radius R1 whose center is at a tire inner side. A shoulder rib is formed at the tread surface along an outer contour line L2 of a radius R2 whose centeris at a tire inner side. A step between the outer contour line L1 and a ground contact surface of the shoulder rib decreases toward a tire transverse direction outer end portion. Accordingly, when a heavy load is applied to the pneumatic tire, due to the step between, on the one hand, the shoulder rib, and on the other hand, the center rib and the second rib, uneven wear at the second rib can be suppressed. When a light load is applied, because the step decreases toward the tire transverse direction outer end portion, uneven wear of the shoulder rib can be suppressed. The pneumatic tire exhibits excellent uneven wear resistance at all land portions formed on the pneumatic tire.

    摘要翻译： 中心肋和第二肋沿着中心在轮胎内侧的半径R1的外轮廓线L1形成在充气轮胎的胎面处。 沿着轮胎内侧的半径R2的外轮廓线L2，在胎面处形成肩肋。 外轮廓线L1和肩肋的接地面之间的台阶朝向轮胎横向外端部减小。 因此，当对充气轮胎施加重负荷时，由于一方面是台肩肋之间的台阶，另一方面，中心肋和第二肋，第二肋处的不均匀磨损可以是 被压制 当施加轻负载时，由于台阶朝向轮胎横向外端部减小，因此可以抑制肩肋的不均匀磨损。 充气轮胎在形成在充气轮胎上的所有陆部上表现出优异的不均匀耐磨性。

    Exhaust mechanism of pneumatic nailing machine
    8.
    发明授权
    Exhaust mechanism of pneumatic nailing machine 失效
    气动打钉机排气机构

    公开(公告)号：US5878936A

    公开(公告)日：1999-03-09

    申请号：US657882

    申请日：1996-06-07

    申请人： Michiaki Adachi ,  Nobuo Kishi ,  Yasunori Aihara ,  Tatsushi Ogawa ,  Makoto Kosuge ,  Motomitsu Hagiwara ,  Mitsugu Takezaki ,  Yasuhiro Naito

    发明人： Michiaki Adachi ,  Nobuo Kishi ,  Yasunori Aihara ,  Tatsushi Ogawa ,  Makoto Kosuge ,  Motomitsu Hagiwara ,  Mitsugu Takezaki ,  Yasuhiro Naito

    IPC分类号： B25C1/04

    CPC分类号： B25C1/041

    摘要： An exhaust mechanism of a pneumatic nailing in which a striking cylinder is accommodated in a body and a striking piston in the striking cylinder is driven to drive a nail when compressed air is supplied to and exhausted from an upper portion of the striking cylinder, comprises: an inner cap arranged in the upper portion of the striking cylinder; a cylinder cap covering the inner cap; an exhaust chamber formed along inside the body between the inner cap and the cylinder cap; and a throttle hole formed in a lower portion of the exhaust chamber, wherein the exhaust air exhausted from the upper portion of the striking cylinder is discharged from the throttle hole via the exhaust chamber.

    摘要翻译： 气压钉的排气机构，其中打击缸容纳在主体中，并且当压缩空气被供给到打火缸的上部并从排气筒被排出时，驱动打击气缸中的打击活塞以驱动指甲， 内盖，布置在撞击缸的上部; 覆盖内盖的气缸盖; 在所述内盖和所述气缸盖之间沿着所述主体内部形成的排气室; 以及形成在排气室的下部的节流孔，其中从打火缸的上部排出的废气经由排气室从节流孔排出。