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    • 2. 发明公开
    • Flow control device
    • Vorrichtung zur Durchflussregelung。
    • EP0484580A1
    • 1992-05-13
    • EP90121332.2
    • 1990-11-07
    • KOBE STEEL LIMITED
    • Yoshikawa, KozouKobayashi,Takahiro
    • F15B11/04F15B11/08
    • F15B11/042F15B2211/20538F15B2211/30525F15B2211/3111F15B2211/3122F15B2211/3138F15B2211/324F15B2211/35F15B2211/4053F15B2211/428F15B2211/455F15B2211/5152F15B2211/5156F15B2211/555
    • A flow control device includes a control valve (30) having a discharge line to be connected to a hydraulic motor (4), a supply line to be connected to a hydraulic pump (1), a first bleed-off control passage (30F) having a line connected to a tank (T0), and a second bleed-off control passage (30J) having a line connected to the tank (T0) through a secondary control valve (5), flow dividing valve (2) provided in the supply line and having a first position (24) for allowing a first desired flow of oil discharged from the hydraulic pump (1) and a second position (2B) for allowing a second desired flow of the oil, and a selector valve (6) operable for the secondary control valve (5) and the flow dividing valve (2) and having a first selection position for closing the secondary control valve (5) and shifting the flow dividing valve (2) to the first position (24) and a second selection position for opening the secondary control valve (5) and shifting the flow dividing valve (2) to the second position (2B).
    • 一种流量控制装置,包括:具有与液压马达(4)连接的排出管路的控制阀(30),与液压泵(1)连接的供给管路,第一排出控制通路(30F) 具有连接到罐(T0)​​的管线和具有通过二次控制阀(5)连接到罐(T0)​​的管线的第二泄放控制通道(30J),设置在罐 并且具有用于允许从液压泵(1)排出的第一期望油流的第一位置(24)和用于允许第二期望油流的第二位置(2B)和选择阀(6) 可操作于二次控制阀(5)和分流阀(2),并且具有用于关闭二级控制阀(5)并将分流阀(2)移动到第一位置(24)的第一选择位置,以及 用于打开二次控制阀(5)并将分流阀(2)移动到第二选择位置的第二选择位置 位置(2B)。
    • 4. 发明公开
    • Method of, and apparatus for, gas shielded arc welding with direct current non-consumable electrode
    • 对于惰性气体与直流电流和非消耗电极焊接方法和设备。
    • EP0062124A1
    • 1982-10-13
    • EP81301532.8
    • 1981-04-08
    • KOBE STEEL LIMITED
    • Ogata, YohjiAida, IsaoMurayama, HirokazuShibuya, Kenjiro
    • B23K9/16
    • B23K9/30B23K9/167
    • A gas-shielded arc welding method is described in which a non-consumable electrode (2) and a filler wire (6) are respectively connected to independent DC power sources and the non-consumable electrode (2) is located in a preceding position, with the filler wire (6) being fed in from behind the electrode (2). The non-consumable electrode (2) is held in a forwardly tilted position to form an angle Θ 2 smaller than 85° with a workpiece (1), and the non-consumable electrode (2) and filler wire (6) are supplied with inverse electric currents of opposite polarity thereby to control the arc direction for formation of sound joints. A welding apparatus is also described, which is capable of effecting arc extension control and oscillation simultaneously.
    • 一种气体保护电弧焊方法中,描述一个非自耗电极(2)和一个填充焊丝(6)被分别连接到独立的直流电源和所述非消耗电极(2)位于一个preceding-位置, 与填料丝(6)从电极后面送入(2)。 非消耗电极(2)是在forwardiy倾斜位置保持,以在角度THETA 2小于85°的工件(1),和非消耗电极(2)和填充焊丝(6)提供与 相反极性的逆电流,从而控制用于形成声音关节的弧的方向。 因此,一个焊接装置进行说明,在所有这是能够实现的电弧扩展控制振荡的同时。