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1. 发明授权

US5785582A Split abrasive fluid jet mixing tube and system 失效
标题翻译：分离研磨液喷射混合管和系统
公开(公告)号：US5785582A
公开(公告)日：1998-07-28
申请号：US577271
申请日：1995-12-22
申请人： Thomas J. Stefanik , Edmund Y. Ting , Chidambaram Raghavan
发明人： Thomas J. Stefanik , Edmund Y. Ting , Chidambaram Raghavan
IPC分类号： B24C5/04 , B23P11/02 , B24C3/02
CPC分类号： B24C5/04 , Y10S977/776 , Y10T29/49433 , Y10T29/49865 , Y10T29/49893
摘要： An improved mixing tube for use in a high-pressure abrasive fluid jet system is shown and described. In a preferred embodiment, the mixing tube is provided by forming a first piece and a second piece, each piece having a length that is substantially equal to the length of the mixing tube. A longitudinal groove is provided in each piece, the longitudinal groove extending from a first end to a second end of each piece. The first and second pieces are coupled together, such that the first and second longitudinal grooves meet to form a bore that extends longitudinally through the length of the mixing tube. Although the first and second pieces may be joined in a variety of ways, in a preferred embodiment, the two pieces are joined by shrink fitting a metal sheath around the outer surface of each piece. The first and second pieces are made of a hard ceramic material, and the longitudinal grooves are formed by grinding the pieces to remove material along their length. In this manner, any desired geometry of the bore may be achieved by varying the amount of material removed from each piece. To further increase the life of the mixing tube, each of the first and second longitudinal bores is coated prior to being coupled together, the longitudinal grooves being coated using conventional CVD techniques.
摘要翻译：示出并描述了用于高压磨料流体喷射系统的改进的混合管。在优选实施例中，通过形成第一部件和第二部件来提供混合管，每个部件的长度基本上等于混合管的长度。在每个件中设置纵向槽，纵向槽从每个件的第一端延伸到第二端。第一和第二部件联接在一起，使得第一和第二纵向槽相交以形成纵向延伸穿过混合管的长度的孔。虽然第一和第二部件可以以各种方式连接，但是在优选实施例中，两个部件通过围绕每个部件的外表面收缩配合金属护套来连接。第一和第二片由硬质陶瓷材料制成，并且纵向凹槽通过研磨片而沿其长度去除材料而形成。以这种方式，可以通过改变从每个部件移除的材料的量来实现孔的任何期望的几何形状。为了进一步延长混合管的使用寿命，第一和第二纵向孔中的每一个在被耦合在一起之前被涂覆，纵向槽是使用常规CVD技术涂覆的。

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