Trickle valve
US6569317B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 9, 2000 |
| Grant date | May 27, 2003 |
| Priority date | — |
| Expiry date | Feb 9, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G11/18
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus comprising a trickle valve positioned at the lower end of a vertical dipleg of a gas-solids separator comprising a pair of co-operable clamshell doors arranged in such a manner that mutual opposite swinging movement between a closed position wherein the doors adjoin along a midline, and an open position wherein the doors swing outwardly around a horizontal axis of rotation, is possible, and wherein either clamshell door is provided with means to press the doors together towards a closed position and at least one clamshell door is provided with an opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.