Dual lift system
US6669472B1 · kind B1 · utility
10Cited by
21References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2002 |
| Grant date | Dec 30, 2003 |
| Priority date | — |
| Expiry date | Aug 28, 2022 |
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.