Air diffuser for waste water treatment
US4478766A · kind A · utility
7Cited by
11References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 21, 1983 |
| Grant date | Oct 23, 1984 |
| Priority date | — |
| Expiry date | Mar 21, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W10/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.