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    Hydraulic valve control device for heavy construction equipment
    63.
    发明授权
    Hydraulic valve control device for heavy construction equipment 有权
    重型施工设备液压阀控制装置

    公开(公告)号：US06742438B2

    公开(公告)日：2004-06-01

    申请号：US10212433

    申请日：2002-08-05

    Applicant: Jin Wook Kim

    Inventor： Jin Wook Kim

    IPC: F15B1108

    CPC classification number: F15B11/003 ,  E02F9/2203 ,  E02F9/226 ,  F15B13/01 ,  F15B13/042 ,  F15B2211/30525 ,  F15B2211/3111 ,  F15B2211/31576 ,  F15B2211/329 ,  F15B2211/40507 ,  F15B2211/411 ,  F15B2211/41527 ,  F15B2211/428 ,  F15B2211/7052 ,  F15B2211/715

    Abstract: An actuator is prevented from an abrupt descent by supplying a high-pressure hydraulic fluid drained upon the descent of the actuator to a path on a supply side of the actuator, provided is a main spool mounted in a path between a hydraulic pump and the actuator and controlling the drive of the actuator, a poppet mounted in a path between the main spool and the actuator and preventing the actuator from the descent, a spool mounted between a back-pressure and a feedback path of the poppet and communicating the back-pressure chamber with a path at an outlet of the main spool upon switching, and a fluid flow-reducing path communicating the back-pressure with the feedback path upon the switching of the spool and reducing hydraulic fluid drained from the actuator.

    Abstract translation: 通过将致动器下降排出的高压液压流体供应到致动器的供给侧上的路径来防止致动器突然下降，只要设置在液压泵和致动器之间的路径中的主阀芯 并且控制致动器的驱动，安装在主阀芯和致动器之间的路径中并防止致动器下降的提升阀，安装在提升阀的背压和反馈路径之间的线轴，并将背压 腔室，其在切换时在主阀芯的出口处具有路径，以及流体流动减少路径，其在切换阀芯时减小反馈路径并减少从致动器排出的液压流体。

    Cream composition for skin care
    64.
    发明授权
    Cream composition for skin care 失效
    护肤霜组合物

    公开(公告)号：US06372236B1

    公开(公告)日：2002-04-16

    申请号：US09691446

    申请日：2000-10-18

    Applicant: Chang Seo Park ,  Jin Wook Kim ,  Jee Hean Jeong

    Inventor： Chang Seo Park ,  Jin Wook Kim ,  Jee Hean Jeong

    IPC: A61K700

    CPC classification number: A61K8/68 ,  A61K8/553 ,  A61K8/63 ,  A61K8/92 ,  A61Q19/08 ,  Y10S514/844

    Abstract: Disclosed are compositions for skin care and their medicinal uses. The compositions are identical in lipid constituents and structural properties to that of human stratum corneum. They comprise the major constituents for the lipid lamellar of the stratum corneum, including ceramides, cholesterol and fatty acids, the major constituents for epidermal cell membranes, including phospholipids, and physiologically active substances, including phytosphingosine and its derivatives. Without causing side effects, the cream composition for skin care is of much better skin penetration and water-retention capacity than are conventional compositions comprised of ceramide and other components in forms different from those of human skin. In addition to providing inhibitory activity against skin microorganisms, the cream composition brings about an improvement in the wrinkle condition of the skin, so that it can be applied to cosmetics. Also, it can be used as a medicinal material for the therapeutic treatment of inflammation, such as thermic erythema caused by IR and/or UV light.

    Abstract translation: 公开了用于皮肤护理及其药用用途的组合物。 组合物的脂质成分和结构特性与人角质层的组成相同。 它们包括角质层的脂质层的主要成分，包括神经酰胺，胆固醇和脂肪酸，表皮细胞膜（包括磷脂）和生理活性物质（包括植物鞘氨醇及其衍生物）的主要成分。 不引起副作用的皮肤护理用霜组合物比由神经酰胺和其他与人皮肤不同形式的组分组成的常规组合物具有更好的皮肤渗透和保水能力。 除了提供对皮肤微生物的抑制活性之外，奶油组合物还能使皮肤的皱纹状况得到改善，从而可以应用于化妆品。 此外，它可以用作用于治疗炎症的药物，例如由IR和/或UV光引起的热红斑。

    Algorithm teaching apparatus using blocks
    65.
    发明授权
    Algorithm teaching apparatus using blocks 有权

    公开(公告)号：US10229613B2

    公开(公告)日：2019-03-12

    申请号：US15107354

    申请日：2015-05-06

    Applicant: Jin Wook Kim

    Inventor： Jin Wook Kim

    IPC: G09B19/00 ,  G09B5/00 ,  G09B1/30 ,  A63H30/04 ,  A63H11/00

    Abstract: The present invention relates to an algorithm teaching apparatus. More specifically, the present invention relates to an algorithm teaching apparatus that uses blocks that can be played with like toys by children and facilitates easy teaching of an algorithm. The apparatus is divided into an event region, an execution region and a condition region, wherein an event block mounting part of the event region and an execution block mounting part of the execution region are formed so as to have different shapes, thus facilitating efficient teaching of the basic principles of an algorithm to children.

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