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    • 3. 发明授权
    • Method for cutting with gas and apparatus for cutting with gas
    • 用气体切割的方法和用气体切割的设备
    • US08574379B2
    • 2013-11-05
    • US13060843
    • 2009-08-19
    • Masayuki NagahoriHirotaka KamikiharaTakashi TakedaToyoyuki SatoYasuyuki YamamotoTakashi Kato
    • Masayuki NagahoriHirotaka KamikiharaTakashi TakedaToyoyuki SatoYasuyuki YamamotoTakashi Kato
    • B23K7/00
    • F23D14/42B23K7/008F23C2900/9901F23D14/32F23K5/007F23K2401/201F23K2900/05004F23N3/005F23N2037/08F23N2041/11
    • The object of the present invention is to provide a method for cutting with gas which uses a cutting tip including a preheating hole for forming a preheating flame with a fuel gas and an oxygen gas for preheating, and an oxygen gas hole for cutting a workpiece by injecting oxygen gas for cutting, and which can decrease an amount of hydrogen gas used by supply a fuel gas to the preheating hole, which is appropriate in both heating and cutting the workpiece, and an apparatus for cutting with gas, and the present invention provides an apparatus for cutting with gas (30) which supplies an oxygen gas, and a fuel gas to a cutting tip (20) including a preheating hole (23) and an oxygen gas hole for cutting (22), wherein the apparatus (30) includes a supply circuit for oxygen gas (50), a supply circuit for hydrogen gas (41), a supply circuit for hydrocarbon-based gas (45), and a gas supply control means (60), and the gas supply control means (60) can alter a ratio of the hydrogen gas and the hydrocarbon-based gas which are supplied to the preheating hole in a case of heating the workpiece and a case of cutting the workpiece.
    • 本发明的目的是提供一种使用包括用于形成预热火焰的预热孔的切割尖端的燃料气体和氧气用于预热的气体切割方法,以及用于切割工件的氧气孔 注入用于切割的氧气,并且通过在加热和切割工件时适合于预热孔中的燃料气体供给所使用的氢气量以及用气体切割的设备,本发明提供 一种用于向供给氧气的气体(30)进行切割的装置和向包括预热孔(23)和用于切割的氧气孔(22)的切割尖端(20)进行切割的燃料气体,其中,所述装置(30) 包括氧气供给回路(50),氢气供给回路(41),烃类气体供给回路(45)以及气体供给控制单元(60),气体供给控制单元 60)可以改变氢气和h的比例 在加热工件的情况下供给预热孔的基于碳基的气体和切割工件的情况。
    • 7. 发明授权
    • Reactor
    • 反应堆
    • US08400244B2
    • 2013-03-19
    • US12663128
    • 2008-06-06
    • Toyoyuki Sato
    • Toyoyuki Sato
    • H01F27/08
    • H01F37/00H01F27/022H01F27/025H01F27/22H01F27/266
    • A reactor includes a cooling block; a heat radiation base affixed to the cooling block; a reactor core that includes a coil, and that is affixed to the heat radiation base; and a resin molded body formed on the heat radiation base to cover the reactor core. The heat radiation base is formed of a metal or an alloy that has a predetermined logarithmic decrement and predetermined heat conductivity. The predetermined logarithmic decrement is equal to or higher than 0.1, and the predetermined heat conductivity is equal to or higher than 10 W/mK.
    • 反应器包括冷却块; 固定在冷却块上的散热基座; 反应堆芯,其包括线圈,并且固定到所述散热基底; 以及形成在散热基座上以覆盖反应堆芯的树脂成形体。 散热基底由具有预定的对数减量和预定的热导率的金属或合金形成。 预定的对数减量等于或大于0.1,预定的热导率等于或高于10W / mK。
    • 9. 发明申请
    • Shielding gas, welding method by using the same and weldment thereof
    • 屏蔽气体,使用焊接方法和焊接方法
    • US20070034610A1
    • 2007-02-15
    • US11501011
    • 2006-08-09
    • Toshimitu OchiaiToyoyuki SatoHidetoshi FujiiKiyoshi NogiShanping Lu
    • Toshimitu OchiaiToyoyuki SatoHidetoshi FujiiKiyoshi NogiShanping Lu
    • B23K9/167
    • B23K9/167
    • The object of the present invention is to achieve a deep weld penetration in a welded portion in metal by setting appropriate conditions for welding without deteriorating the quality of welding. That is, in the present invention, the weld penetration can be made deep by using a shielding gas comprising: 0.2% by volume or more (preferably 0.4% by volume or more) of oxygen gas; and the balance being helium gas, and by further setting the other welding conditions, such that the concentration of oxygen in the welded metal in the range of 70 to 700 ppm, and the scale ratio, i.e. the value D/W, can be made large. According to the present invention, a deeper weld penetration can be achieved without deteriorating the quality of welding by adopting at least one selected from the appropriate conditions of the welding current, the welding speed, and the arc length.
    • 本发明的目的是通过设定适当的焊接条件来实现金属焊接部分的深度焊接,而不会降低焊接质量。 也就是说,在本发明中,通过使用包含0.2体积%以上(优选为0.4体积%以上)的氧气的保护气体,能够使焊接贯穿深度更深; 并且余量为氦气,并且通过进一步设定其它焊接条件,使得焊接金属中的氧浓度在70至700ppm范围内,并且可以使其比例(即D / W值) 大。 根据本发明,通过采用选自焊接电流,焊接速度和电弧长度的适当条件中的至少一种,可以实现更深的焊接穿透,而不会使焊接质量恶化。