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    • 2. 发明授权
    • Flux cored wire for gas-shielded arc welding
    • 用于气体保护电弧焊的焊剂芯焊丝
    • US06573476B2
    • 2003-06-03
    • US09960369
    • 2001-09-24
    • Jongwon KimChulgyu Park
    • Jongwon KimChulgyu Park
    • B23K3534
    • B23K35/368B23K35/3608
    • The flux cored wire comprises, with respect to the total weight of the wire, a Ti and a Ti oxide of 3.0 wt % to 8.0 wt % as calculated in terms of TiO2 content, a Si and a Si oxide of 0.5 wt % to 2.0 wt % as calculated in terms of SiO2 content, a metal Mn and an alloy of Mn of 1.5 wt % to 3.5 wt % as calculated in terms of Mn content, a carbon (C) of 0.02 wt % to 0.10 wt %, an Mg and an Mg oxide of 0.5 wt % to 1.5 wt % as calculated in terms of MgO content, a compound of Na2O and K2O of 0.2 wt % and less, a Zr and a Zr oxide of 0.1 wt % to 0.5 wt % as calculated in terms of ZrO2 content, and an Al and an Al oxide of 0.2 wt % to 0.8 wt % as calculated in terms of Al2O3 content.
    • 药芯焊丝相对于导线的总重量包含以TiO 2含量计算的3.0重量%至8.0重量%的Ti和Ti氧化物,0.5重量%至2.0重量%的Si和Si氧化物 以Mn含量计算的Mn含量为1.5重量%〜3.5重量%的Mn的金属Mn和合金,碳量(C)为0.02重量%〜0.10重量%,Mg 和按MgO​​计算的0.5重量%〜1.5重量%的Mg氧化物,Na2O和K2O的化合物为0.2重量%以下,Zr和Zr氧化物为0.1重量%〜0.5重量%,计算公式如下: 以ZrO 2含量计,以Al 2 O 3含量计算的Al和Al氧化物为0.2重量%〜0.8重量%。
    • 3. 发明授权
    • Pit and blow hole resistant flux-cored wire for gas-shielded arc welding of galvanized steel sheet
    • US06414269B1
    • 2002-07-02
    • US09791710
    • 2001-02-26
    • Jongwon Kim
    • Jongwon Kim
    • B23K3502
    • The present invention discloses a pit and blow hole resistant flux-cored wire for gas-shielded arc welding of a galvanized steel sheet. Here, an amount of flux ranges from 10 to 20% by weight of the wire, and an amount of a mild steel sheath ranges from 80 to 90% by weight of the wire. The flux comprising iron powder, deoxidizer and arc stabilizer in a residual amount is filled in the mild steel sheath. In detail, the flux contains a slag generation agent in an amount of 2 to 15% by weight of the wire, silicon oxide in an amount of 1.0 to 10 wt %, a component containing at least two components containing metal titanium, selected from the group consisting of metal titanium, metal magnesium and alloy mixtures thereof in an amount of 0.4 to 3 wt %, and one of sodium fluoride and potassium fluoride in an amount of 0.1 to 1 wt %. Accordingly, even when a plated layer is thick, it is possible to minimize generation of pits and blow holes in the welding. Moreover, generation of fumes and spatters can be controlled, which results in improved weldability. As a result, the pit and blow hole resistant flux-cored wire can be efficiently used for a consecutive or automated welding process.
    • 7. 发明授权
    • Flow control node for managing throughput fairness of a plurality of flows, transmission node, method for controlling flow, and method for controlling transmission rate
    • 用于管理多个流的吞吐量公平性的流控制节点,传输节点,用于控制流的方法以及用于控制传输速率的方法
    • US09246813B2
    • 2016-01-26
    • US13703784
    • 2011-10-21
    • Jongwon KimJae-Yong Yoo
    • Jongwon KimJae-Yong Yoo
    • H04L12/26H04L12/801H04L12/835
    • H04L47/10H04L47/11H04L47/30
    • According to one embodiment of the present invention, a multi-hop network system includes: a transmission node; a reception node; a router node; and a flow control node connected to all nodes within the multi-hop network system. The flow control node periodically receives flow monitoring information from at least one transmission node and evaluates whether the distributed state of the bandwidth of a network is fair. At this time, the flow control node sets a queue length threshold as transmission rate control information for fairly distributing the bandwidth of the network and transmits the set queue length threshold to at least one transmission node when unfairness has been detected. The transmission node sets the queue length threshold as a reference point for adjusting the transmission rate and performs the packet and/or link scheduling.
    • 根据本发明的一个实施例,多跳网络系统包括:传输节点; 接收节点; 路由器节点; 以及连接到多跳网络系统内的所有节点的流控制节点。 流控制节点周期性地从至少一个传输节点接收流监视信息,并评估网络带宽的分布状态是否公平。 此时,流量控制节点将队列长度阈值设置为用于公平分配网络带宽的传输速率控制信息,并且当检测到不公平时将设置的队列长度阈值发送到至少一个传输节点。 发送节点将队列长度阈值设置为用于调整传输速率的参考点,并执行分组和/或链路调度。