| 摘要 |
Exhaust gas recirculation valve comprises a valve element (1) rotating about an axis (3) and having a truncated pyramid shape with at least one axial channel (2) on its surface. Preferred Features: The valve element has three channels, each offset by 120degrees, and three openings (7) in a valve seat corresponding to the cross-sectional area of the channels so that during rotation of the valve element the channels correspond with the openings to form three passages. |
