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    • 4. 发明申请
    • Spacer grid spring for increasing the conformal contact area with fuel rod
    • 间隔栅格弹簧用于增加与燃料棒的共形接触面积
    • US20070242793A1
    • 2007-10-18
    • US11707450
    • 2007-02-16
    • Kee-Nam SongKyung-Ho YoonKun-Woo SongKang-Hee LeeKyung-Jin Park
    • Kee-Nam SongKyung-Ho YoonKun-Woo SongKang-Hee LeeKyung-Jin Park
    • G21C3/34
    • G21C3/356G21Y2002/201G21Y2002/206G21Y2002/303G21Y2004/30Y02E30/40
    • A grid strap includes a spacer grid spring that increases the conformal contact area with a fuel rod of a nuclear fuel rod assembly. The shape of the spacer grid spring of the grid strap which is in contact with the fuel rod is optimized, thereby the elasticity of the spacer grid spring contacting the fuel rod is increased, the conformal contact area with a contact portion of the spacer grid spring contacting the fuel rod when the fuel rod is inserted into each cell of a spacer grid is expanded to obtain uniform stress distribution, and excessive plastic deformation of the spacer grid spring can be reduced. Further, magnitude and distribution of contact pressure between the fuel rod and the spacer grid spring are improved, thereby reducing the possibility of fretting wear caused by contact between the fuel rod and the spacer grid spring. The elastic behavior region of the spacer grid spring is expanded, so that the fuel rod can be reliably supported until the lifetime of the fuel rod expires despite changes in the supporting conditions of the fuel rod.
    • 格栅带包括间隔栅格弹簧,其增加与核燃料棒组件的燃料棒的共形接触面积。 与燃料棒接触的网格带的间隔栅格弹簧的形状被优化,从而与接触燃料棒的间隔栅格弹簧的弹性增加,与间隔栅格弹簧的接触部分的共形接触面积 当将燃料棒插入到间隔栅格的每个电池中时,使燃料棒接触而膨胀以获得均匀的应力分布,并且可以减小间隔栅格弹簧的过大的塑性变形。 此外,燃料棒和间隔栅格弹簧之间的接触压力的大小和分布得到改善,从而降低了由于燃料棒和间隔栅格弹簧之间的接触引起的微动磨损的可能性。 间隔栅格弹簧的弹性行为区域被扩大,使得燃料棒可以被可靠地支撑,直到燃料棒的寿命尽管燃料棒的支撑条件发生变化而过期。
    • 5. 发明申请
    • System and Method for Merchant's Benefit-focused Electronic Coupon Distribution Business
    • 以商业利益为重点的电子优惠券分销业务的制度与方法
    • US20120209673A1
    • 2012-08-16
    • US13368042
    • 2012-02-07
    • Kyung Jin Park
    • Kyung Jin Park
    • G06Q30/02
    • G06Q30/02
    • The present invention relates to a system and method for merchant's benefit-focused electronic coupon distribution business. The invention provides an online platform connecting merchants to targeted consumers without sales people. The online platform provides merchants with profile pages where the merchants can manage and sell coupon offerings. Consumers can search and purchase one-time use coupons based on the coupon offerings. Each one-time use coupon carries unique identification number and code, and the coupon is tracked to provide information back to registered merchants. This invention minimizes the risk and marketing promotion cost by shifting the burden of marketing cost to the consumers' side. Instead of paving for marketing costs upfront, merchants receive micropayments from consumers through coupon offerings and selling one-time use coupons. This invention creates a get-paid-to-participate-marketing for merchants, and ways to access more discounts from more local businesses for consumers.
    • 本发明涉及一种以商人利益为重点的电子票券分销业务的系统和方法。 本发明提供了一种在线平台,可将商家连接到没有销售人员的目标消费者。 在线平台为商家提供了商家可以管理和出售优惠券产品的个人资料页面。 消费者可以根据优惠券搜索和购买一次性使用优惠券。 每一次使用优惠券都带有唯一的识别号码和代码,并且跟踪优惠券以向注册商家提供信息。 本发明通过将营销成本的负担转移到消费者方面来最小化风险和营销推广成本。 商家预先购买营销费用,而不是通过优惠券和销售一次性使用优惠券,从消费者那里获得小额支付。 本发明为商家创造了有偿参与的营销渠道,以及为更多本地企业为消费者提供更多折扣的途径。
    • 7. 发明授权
    • Spacer grid spring for increasing the conformal contact area with fuel rod
    • 间隔栅格弹簧用于增加与燃料棒的共形接触面积
    • US08085895B2
    • 2011-12-27
    • US11707450
    • 2007-02-16
    • Kee-Nam SongKyung-Ho YoonKun-Woo SongKang-Hee LeeKyung-Jin Park
    • Kee-Nam SongKyung-Ho YoonKun-Woo SongKang-Hee LeeKyung-Jin Park
    • G21C3/34
    • G21C3/356G21Y2002/201G21Y2002/206G21Y2002/303G21Y2004/30Y02E30/40
    • A grid strap includes a spacer grid spring that increases the conformal contact area with a fuel rod of a nuclear fuel rod assembly. The shape of the spacer grid spring is optimized, thereby increasing the elasticity of the spacer grid spring contacting the fuel rod, expanding the conformal contact area with a contact portion between the spacer grid spring and fuel rod to obtain uniform stress distribution, and reducing excessive plastic deformation of the spacer grid spring. Further, magnitude and distribution of contact pressure between the fuel rod and the spacer grid spring are improved, thereby reducing the possibility of fretting wear caused by contact between the fuel rod and the spacer grid spring. Lastly, the elastic behavior region of the spacer grid spring is expanded, so that the fuel rod can be reliably supported until the fuel rod expires despite changes in the supporting conditions of the fuel rod.
    • 格栅带包括间隔栅格弹簧,其增加与核燃料棒组件的燃料棒的共形接触面积。 间隔栅格弹簧的形状被优化,从而增加与燃料棒接触的间隔栅格弹簧的弹性,将间隔栅格弹簧和燃料棒之间的接触部分扩大共形接触面积,以获得均匀的应力分布,并减少过量 间隔网格弹簧的塑性变形。 此外,燃料棒和间隔栅格弹簧之间的接触压力的大小和分布得到改善,从而降低了由于燃料棒和间隔栅格弹簧之间的接触引起的微动磨损的可能性。 最后,间隔栅格弹簧的弹性行为区域被扩大,使得燃料棒可以被可靠地支撑,直到燃料棒在燃料棒的支撑条件发生变化时才过期。
    • 10. 发明授权
    • Tungsten heavy alloy for penetrating splinter shell and forming method thereof
    • 钨重合金,用于穿透裂片壳及其成型方法
    • US06827756B2
    • 2004-12-07
    • US10345968
    • 2003-01-17
    • Kyung Jin ParkJoo Ha Ryu
    • Kyung Jin ParkJoo Ha Ryu
    • C22C104
    • F42B12/74B22F2998/10C22C1/045C22C27/04B22F3/04B22F3/10
    • Disclosed are a tungsten material for a penetrating splinter shell and forming method thereof enabling a penetrator to perforate a hard target on high-speed impact as well as having the following splinter cause a severe damage on an inner component by changing a breakage characteristic of the material into brittle fracture from ductile fracture in a manner that a mechanical characteristic of the material is adjusted by controlling a sintering condition and a composition ratio of a tungsten heavy alloy material having Mo added thereto. The present invention includes the steps of mixing 90˜95 wt % W powder, 3.0˜8.0 wt % Mo powder, 0.5˜3.0 wt % Ni powder, and 1.0˜4.0 wt % Fe powder with each other, molding the mixed powders, and sintering the molded powders.
    • 公开了一种用于穿透碎片壳的钨材料及其形成方法,其能够使穿透器在高速冲击下穿透硬质靶材,并且具有以下碎片,通过改变材料的断裂特性对内部部件造成严重损坏 通过控制烧结条件和添加有Mo的钨重质合金材料的组成比来调节材料的机械特性,从而延性断裂成脆性断裂。 本发明包括以下步骤:将90〜95重量%的W粉末,3.0〜8.0重量%的Mo粉末,0.5〜3.0重量%的Ni粉末和1.0〜4.0重量%的Fe粉末相互混合,成型混合粉末, 烧结成型粉末。