Method of manufacture of heat-exchanger tube struc

专利名称：Method of manufacture of heat-exchanger

tube structured on both sides

发明人：Karine Brand,Andreas Knoepfler,Andreas

Beutler,Ronald Lutz

申请号：US11109447申请日：20050419公开号：US074512B2公开日：20081118

专利附图：

摘要：The invention relates to a heat-exchanger tube structured on both sides withexcellent heat transfer characteristics utilizing both outer and also inner fins and

secondary grooves intersecting the inner fins. Two spaced-apart rolling tools areprovided in the utilized device in order to form the outer fins of two adjacent rollingtools; the inner structure is formed by two differently profiled mandrels. The firstmandrel forms in a first forming area the inner fins. The second mandrel forms in asecond forming area the inventive secondary grooves into the earlier created inner fins.

申请人：Karine Brand,Andreas Knoepfler,Andreas Beutler,Ronald Lutz

地址：Illerrieden DE,Ulm DE,Weissenhorn DE,Blaubeuren DE

国籍：DE,DE,DE,DE

代理机构：Flynn, Thiel, Boutell & Tanis, P.C.

更多信息请下载全文后查看