Air inflow restrictor for vacuum filters
US5683582A · kind A · utility
11Cited by
12References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 24, 1996 |
| Grant date | Nov 4, 1997 |
| Priority date | — |
| Expiry date | Jan 24, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D33/82
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A rotary drum filter valve is provided with a valve having a valve segment with a first part which partially restricts the flow of filtrate from a head section and a second part which blocks from the head section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.