| 摘要 |
A burner register assembly (10) for use in a furnace having a fuel and primary air supply (40), and a secondary air supply (15), comprising an air valve (13), adapted to communicate with the secondary air supply (15), for controlling the admission of secondary air to said register assembly (10) and an air register assembly (24), communicating with said air valve (13), for imparting a vortex to the secondary air to create an air swirl whereby the primary air and fuel is entrained in said swirl and projected into said furnace. |
