发明授权
- 专利标题： Air diffuser for waste water treatment
- 专利标题（中）： 用于废水处理的空气扩散器
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申请号： US477401申请日： 1983-03-21
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公开(公告)号： US4478766A公开(公告)日： 1984-10-23
- 发明人: Hiroyuki Horikita , Tetsuo Kataoka
- 申请人： Hiroyuki Horikita , Tetsuo Kataoka
- 申请人地址： JPX Nagoya
- 专利权人： NGK Insulators, Ltd.
- 当前专利权人： NGK Insulators, Ltd.
- 当前专利权人地址： JPX Nagoya
- 优先权： JPX57-123255[U] 19820813
- 主分类号： B01F3/04
- IPC分类号： B01F3/04 ; C02F3/20
摘要：
An air diffuser has a non-porous rigid plate mounted on an air chamber to permit diffusion of air to the outside of the chamber, which porous plate has a smooth outer surface and diffusing pores extending therethrough, more than 95% of the diffusing pores having diameters within .+-.20% of a nominal diameter selected in a range of 50-300 .mu.m.