| 摘要 |
<p>The invention relates to a module-type propelling unit for boats and vehicles, to be used for moving amphibious vehicles and boats. According to the invention, the propelling unit comprises a bearing frame (1), a removable tight floating container (4) mounted inside the bearing frame (1) and two high-volume wheels (2) whereon a running belt (3) provided with some triangular pockets (17) is wound, said pockets being placed on the external part of the belt (3), the openings thereof alternating the belt rotating direction and the opposite direction.</p> |
