Mass transfer device
US5911922A · kind A · utility
32Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 6, 1998 |
| Grant date | Jun 15, 1999 |
| Priority date | — |
| Expiry date | May 6, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D3/163
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A mass transfer device is provided in the form of a tray having moveable valves which includes perforations spanned by bridge members shaped to divert liquid flowing in the design flow direction around the perforation such that gas rising through the perforation causes the valve to open and then encounters the liquid flow essentially at right angles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.