Combustion cavity layouts for fuel staging in trapped vortex combustors
US8689562B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Nov 30, 2009 |
| Grant date | Apr 8, 2014 |
| Priority date | — |
| Expiry date | Dec 15, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E20/18
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In one embodiment, alternative combustion cavity layouts are provided for practicing fuel staging in a trapped vortex (TVC) combustion apparatus comprising an inlet premixer, for injecting fuel-air mixture into the inlet of the combustion apparatus and one or more vortex premixers, for injecting fuel-air mixture into the recirculating vortex within each of one or more trapped vortex cavities. A plurality of TVC cavities, may, for example, be laid out axially, radially, peripherally, internally, or in combinations of such arrangements. These layouts may be used in conjunction with a fuel staging method whereby the relative proportion of mixture introduced through the inlet and the respective vortex premixers can be varied as a function of operating conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.