Rotary valve for powdery and granular materials
US4130268A · kind A · utility
12Cited by
13References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 7, 1977 |
| Grant date | Dec 19, 1978 |
| Priority date | — |
| Expiry date | Apr 7, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S248/91
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A rotary valve disposed in a conveying passage for a powdery or granular material and comprising a valve casing and a valve member of arcuate cross section. In full closed position, the inner peripheral surface of the valve member is directed toward the flow of powdery or granular material to shut off the material flow, but in full open position, the valve member is rotated to permit conveyance of the powdery or granular material through an opening bored therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.