Patent · US Active

Gas diffuser

US8894048B2 · kind B2 · utility

1Cited by

9References

6Claims

0Family size

Assignee

DOW GLOBAL TECHNOLOGIES LLC · US

Inventors

Qixiang Cai · Hangzhou City, CN
Ning Chai · San Ramon, US
Steven J. Gluck · Kennett Square, US
Billy Smith · Woburn, US
Chengfeng Wang · Huzhou City, CN
Quan Yuan · Beijing, CN

Key dates

Filing date	Jul 9, 2013
Grant date	Nov 25, 2014
Priority date	—
Expiry date	Aug 14, 2033

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01F23/231265
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A gas diffuser including a grid of aeration pipes spaced apart and in parallel alignment within a horizontal plane is provided. The aeration pipes have improved discharge hole placement along their lengths and around their circumferences to provide improved performance and reduced fouling of membrane filtration systems associated therewith.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.