| 摘要 |
<p>The sower, comprising a chassis (2) with at least one hopper, one or more coulters and a blower (17) with a first fan (24) and a primary transmission system (26). A second blower (18) is incorporated with a fan (33) and a secondary transmission system (36). The secondary transmission system consists of first and second wheels (61, 62) of different diameters on the two fan shafts (25, 34) connected by at least one endless transmission element (63). The primary transmission system comprises a first wheel (37) on a third shaft (41) driven by an external power source, a second wheel (38) on the first fan's shaft (25), and an endless transmission element (39).</p> |
