Method of manufacturing a heat exchanging fin
    31.
    发明授权
    Method of manufacturing a heat exchanging fin 失效
    制造热交换翅片的方法

    公开(公告)号:US06209201B1

    公开(公告)日:2001-04-03

    申请号:US09346700

    申请日:1999-07-02

    申请人: Mamoru Yamada

    发明人: Mamoru Yamada

    IPC分类号: B23P1526

    摘要: To provide a heat exchanging fin capable of preventing cracks from forming in the flares of the collared tube holes, even if the metallic plate section is made of thin and tough material. In the heat exchanging fin, a metallic plate section has a plurality of tube holes. A plurality of collars are respectively extended from edges of the tube holes. A plurality of flares are respectively formed at front ends of the collars. Each flare includes a plurality of radially extended sections, which are radially outwardly extended from the front end of each collar. Furthermore, separation between the metallic plate section and each radially extended section is fixed.

    摘要翻译: 为了提供能够防止在套圈管孔的张开中形成裂纹的热交换翅片,即使金属板部分由薄且坚韧的材料制成。 在热交换翅片中,金属板部具有多个管孔。 多个轴环分别从管孔的边缘延伸。 在套环的前端分别形成多个耀斑。 每个火炬包括多个径向延伸的部分,其从每个轴环的前端径向向外延伸。 此外,金属板部分和每个径向延伸部分之间的分离是固定的。

    Thin cast strip formed of molten steel, process for its production, and
cooling drum for thin cast strip continuous casting apparatus
    32.
    发明授权
    Thin cast strip formed of molten steel, process for its production, and cooling drum for thin cast strip continuous casting apparatus 失效
    由钢水形成的薄铸造钢板,其生产方法,以及用于薄铸造连续铸造装置的冷却滚筒

    公开(公告)号:US6079480A

    公开(公告)日:2000-06-27

    申请号:US836445

    申请日:1997-06-11

    IPC分类号: B22D11/06

    CPC分类号: B22D11/0622

    摘要: A twin drum-type continuous casting process for casting thin cast strip by solidifying molten steel continuously fed between a pair of cooling drums placed parallel to each other, wherein the cooling drums are given an added degree of concave crown such that a solid fraction at the thickness center of the thin cast strip, when the distance from the edges toward the center of the thin cast strip at the closest position of the cooling drums is within 50 mm, is exhibited which is a value greater than the fluid critical solid fraction, or alternatively the cooling rate near the edges of the cooling drums is improved.

    摘要翻译: PCT No.PCT / JP96 / 02518 Sec。 371日期:1997年6月11日 102(e)1997年6月11日PCT PCT 1996年9月5日PCT公布。 公开号WO97 / 09138 日期1997年03月13日一种用于通过固化连续供给在彼此平行放置的一对冷却滚筒之间的钢水来铸造薄铸造带的双滚筒连续铸造方法,其中冷却滚筒被赋予相加程度的凹冠,使得 当在冷却鼓的最靠近的位置处从薄壁铸造带的边缘到中心的距离在50mm内时,在薄铸造带的厚度中心处的固体部分被显示出比液体大的值 临界固体分数,或替代地,冷却鼓边缘附近的冷却速度得到改善。

    Method and apparatus for generating induced plasma
    33.
    发明授权
    Method and apparatus for generating induced plasma 失效
    用于产生诱导等离子体的方法和装置

    公开(公告)号:US5680014A

    公开(公告)日:1997-10-21

    申请号:US406322

    申请日:1995-03-17

    IPC分类号: H05H1/30 H05H1/36 H05H1/26

    摘要: An induced plasma generating apparatus comprises: a seed gas supply unit for supplying a seed gas, a first chamber for receiving the seed gas: a DC current source; a pair of electrodes connected to the DC current source for causing a discharge in the first chamber to generate a plasma from the seed gas; a nozzle for ejecting the plasma from the first chamber; a second chamber for receiving the plasma ejected from the first chamber; an AC current source; and a coil connected to the AC current source and disposed to surround the second chamber for producing a magnetic field in the second chamber. An induced plasma is generated by subjecting plasma in the second chamber to the magnetic field.

    摘要翻译: 感应等离子体产生装置包括:用于提供种子气体的种子气体供应单元,用于接收种子气体的第一室;直流电流源; 连接到所述直流电流源的一对电极,用于使所述第一室中的放电从所述种子气体产生等离子体; 用于从所述第一室喷射所述等离子体的喷嘴; 用于接收从第一室喷射的等离子体的第二室; 交流电源; 以及线圈,其连接到所述AC电流源并且设置成围绕所述第二室以在所述第二室中产生磁场。 通过使第二室中的等离子体经受磁场而产生感应等离子体。