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    Method for inhibiting fouling of a submerged surface
    4.
    发明授权
    Method for inhibiting fouling of a submerged surface 有权
    防止浸没表面污染的方法

    公开(公告)号：US07686936B1

    公开(公告)日：2010-03-30

    申请号：US11799178

    申请日：2007-05-01

    申请人： Richard E. Staerzl ,  Kevin R. Anderson

    发明人： Richard E. Staerzl ,  Kevin R. Anderson

    IPC分类号： C23F13/04

    CPC分类号： C23F13/02 ,  B63B59/04

    摘要： A method for operating a system which inhibits the growth of marine organisms on a submerged surface causes a current to flow to one of two submerged surfaces over a time period that is selected as a function of the magnitude of the current and the area of the surface. In other words, the time period is determined as a function of the current density applied to the surface. In a particularly preferred embodiment the current density is maintained at approximately 35 milliamps per square foot and the time period is approximately four minutes. At the end of the time period, the current is reversed and a second submerged surface is polarized in a similar manner.

    摘要翻译： 用于操作抑制潜水表面上的海洋生物的生长的系统的方法导致电流在选定为电流的大小和表面的面积的函数的时间段内流过两个浸没的表面中的一个 。 换句话说，该时间段被确定为施加到表面的电流密度的函数。 在特别优选的实施方案中，电流密度保持在每平方英尺约35毫安，并且时间段约为4分钟。 在时间段结束时，电流反转，并且第二浸没表面以类似的方式极化。

    Restoration process for porosity defects in high pressure die cast engine blocks
    6.
    发明授权
    Restoration process for porosity defects in high pressure die cast engine blocks 有权
    高压压铸发动机缸体孔隙度缺陷的恢复过程

    公开(公告)号：US07188416B1

    公开(公告)日：2007-03-13

    申请号：US10358480

    申请日：2003-02-05

    申请人： Douglas M. Woehlke ,  Raymond J. Donahue ,  Kevin R. Anderson

    发明人： Douglas M. Woehlke ,  Raymond J. Donahue ,  Kevin R. Anderson

    IPC分类号： B23P6/00

    CPC分类号： B22D19/10 ,  B23P6/00 ,  C23C4/01 ,  Y10T29/49233 ,  Y10T29/49234 ,  Y10T29/49732 ,  Y10T29/49734 ,  Y10T29/49742

    摘要： A restoration process for restoring surface porosity defects in engine blocks cast using a high pressure die cast method. The areas of an engine block having surface porosity defects are identified and the areas not containing surface porosity defects are masked using an adhesive, reusable, rubberized mask. The masked surface is subsequently cleaned and a metal spray is applied to the surface porosity defects. The mask is removed and the restored surface porosity defects are hand finished to create an engine block having less than 0.05% surface porosity.

    摘要翻译： 使用高压压铸方法铸造的发动机缸体中恢复表面孔隙度缺陷的恢复过程。 识别具有表面孔隙度缺陷的发动机块的区域，并且使用粘合剂，可重复使用的橡胶掩模掩蔽不含表面孔隙缺陷的区域。 随后清洁被掩蔽的表面，并将金属喷雾施加到表面孔隙度缺陷。 去除掩模，并手工修复恢复的表面孔隙度缺陷，以产生具有小于0.05％表面孔隙率的发动机块。