| 摘要 |
<p>The mechanism with variable valve hub consists of a camshaft (1) with cam (2), hollow shaft (3) with guide (4), tappet, arc-shaped swivelling lever (6) and swivelling lever (7) as a two-handle swivelling lever, shaft (8), screw (9) and valve (10). The adjustable valve hub contributes to the development of four stroke petrol-operated engines.</p> |
