| 摘要 |
A damper assembly, comprising: a support means defining a plurality of (air) openings; damper means mounted or connected to the support means in relation to the openings for the periodic closure and opening of such openings; a crankshaft means coupled to the damper means such that rotation of the crankshaft means is able to induce displacement of the damper positions to respective second damper positions and back to the first position for adjusting air flow through said openings. |
