| 摘要 |
<p>The flap has a housing with channel connections and a pivotable vane within the housing and driven via at least one drive shaft and at least one lever assembly (11,12). Drive shaft journals (16) passing through the side walls (3,4) of the housing (1) are mounted in the side walls. A lever (17,17a) of the lever assembly is mounted in the inner end of each journal and a rotary drive engages the outer end.</p> |
