| 摘要 |
Described herein is a duct system for conducting heated fluids such as, for example, combustion gases from the interior of a vapor generator furnace, or the like. The duct system includes a toggle section connected to adjacent parts of the system by means of expansion joints thereby to accommodate relative displacements that will occur between the parts. Supporting structure for the toggle section is disclosed including lever mechanism so arranged as to control the extend of flexure in the respective expansion joints. |
