Device preferably for driers for compressed air
US4331457A · kind A · utility
21Cited by
10References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 22, 1979 |
| Grant date | May 25, 1982 |
| Priority date | — |
| Expiry date | Oct 22, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2259/4566
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An air controlling device for use in a dryer for compressed air comprises dual containers of water absorbing, air permeable material arranged in parallel, each of the dual containers being alternately selected to dry compressed air and to be purged, two separate valve members, actuated by impulses of power, changing the connections between alternate containers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.