公开(公告)号：US06334339B1

公开(公告)日：2002-01-01

申请号：US09598893

申请日：2000-06-22

申请人： Akihiro Kanao ,  Toshihiro Mikami

发明人： Akihiro Kanao ,  Toshihiro Mikami

IPC分类号： C04B3718

CPC分类号： C03B37/0142 ,  C03B2207/06 ,  C03B2207/12 ,  C03B2207/14 ,  C03B2207/40 ,  C03B2207/62 ,  Y02P40/57

摘要： A hooded glass particulate synthesizing torch, provided with at least a glass particulate synthesizing torch body having a feedstock gas injection passage formed at the center of its front end, a combustible gas injection passage formed concentrically at the outer circumference of the feedstock gas injection passage, and a plurality of small diameter combustion aid gas injection passages formed in the combustible gas injection passage along the outer circumference of the feedstock gas injection passage and a hood projecting out at the outer circumference of the front end of the torch body, the torch hood satisfying 0.5≦D/L≦2.0, where, L is the focal distance, that is, a distance from a point P, to which the small diameter combustion aid gas injection passages are directed and on an extension of the center line of the torch body in front of the torch body, to the front end of the torch body, and D is the hood length, that is, the distance from the front end of the hood to the front end of the torch body.

摘要翻译： 一种连接玻璃微粒合成炬，设置有至少一玻璃颗粒合成炬体，其具有形成在其前端中心的原料气体注入通道，同时位于原料气体注入通道的外圆周处形成的可燃气体注入通道， 以及沿着原料气体注入通道的外周形成在可燃气体注入通道中的多个小直径燃烧助燃气体注入通道，以及在割炬本体的前端的外周突出的罩，所述炬罩满足 0.5 <= D / L <= 2.0，其中，L是焦点距离，即距离小直径燃烧辅助气体喷射通道所指向的点P的距离，以及距离中心线的延伸 手电筒前面的火炬体，到火炬正面的前端，D为罩长度，即从罩前端到前面的距离 d的火炬身体。