Dual lift system
US6783111B2 · kind B2 · utility
8Cited by
23References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2003 |
| Grant date | Aug 31, 2004 |
| Priority date | — |
| Expiry date | Oct 30, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/5689
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
Valve and valve lift system suitable for use in a regenerative thermal oxidizer, and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. In a preferred embodiment, the valve is sealed with pressurized air during its stationary modes, and unsealed during movement to reduce valve wear.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.