Rotary valve with improved sealing means
US6062439A · kind A · utility
2Cited by
10References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 7, 1998 |
| Grant date | May 16, 2000 |
| Priority date | — |
| Expiry date | Jul 7, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F11/24
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A rotary valve with a rotor shroud and a cylinder wall. The rotary valve is sealed by injecting a fluid to compress a packing seal into sealing engagement with the rotor shroud and the cylinder wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.