公开(公告)号：US5408066A

公开(公告)日：1995-04-18

申请号：US135703

申请日：1993-10-13

申请人： Richard D. Trapani ,  Roopnarine Tilkaran ,  Joseph P. Mercurio ,  Henry A. Budke, Jr. ,  Michael R. D'Arpa ,  Burton A. Kushner

发明人： Richard D. Trapani ,  Roopnarine Tilkaran ,  Joseph P. Mercurio ,  Henry A. Budke, Jr. ,  Michael R. D'Arpa ,  Burton A. Kushner

IPC分类号： B23K10/02 ,  B23K10/00

CPC分类号： B23K10/027

摘要： A powder injection apparatus for a plasma spray gun includes a block having channelling therein for liquid coolant. A powder port extends through the block in proximity to the channelling so as to be cooled by coolant flowing therein. The port has a powder inlet receptive of spray powder in a carrier gas, and has a powder outlet end formed as a tubular protrusion extending from the block. A pair of extensions extend from the block proximate the protrusion on diametrically opposite sides thereof. Each extension has at least one orifice therein disposed so as to direct gas onto the protrusion. A pair of additional gas exit openings direct gas to the face of the gun.

摘要翻译： 一种用于等离子体喷枪的粉末喷射装置，包括在其中引导液体冷却剂的块体。 粉末端口延伸穿过块体靠近沟道，以便由其中流动的冷却剂冷却。 该端口具有容纳在载气中的喷雾粉末的粉末入口，并且具有形成为从该块延伸的管状突出部的粉末出口端。 一对延伸部从邻近突起的块在其直径相对的侧面延伸。 每个延伸部具有至少一个孔，其中设置有将气体引导到突出部上。 一对额外的气体出口将气体引导到枪的表面。