Enclosed rotary disc air pulser
US4881574A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 12, 1988 |
| Grant date | Nov 21, 1989 |
| Priority date | — |
| Expiry date | Aug 12, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86638
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An enclosed rotary disc air pulser for use with a solvent extraction pulse olumn includes a housing having inlet, exhaust and pulse leg ports, a shaft mounted in the housing and adapted for axial rotation therein, first and second disc members secured to the shaft within the housing in spaced relation to each other to define a chamber therebetween, the chamber being in communication with the pulse leg port, the first disc member located adjacent the inlet port, the second disc member being located adjacent the exhaust port, each disc member having a milled out portion, the disc members positioned on the shaft so that as the shaft rotates, the milled out portions permit alternative cyclical communication between the inlet port and the chamber and the exhaust port and the chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.