| 摘要 |
The invention relates to an underwater propulsion unit (20) for a diver (30), comprising a substantially long body (21) containing at least one motor module (1) and one battery module (2) driving at least one tractor propeller (10) arranged downstream of the body (21), the propulsion unit comprising two counter-rotating propellers and a coupling assembly (12, 14, 15, 16) arranged upstream, on the opposite end of the long body to the propellers. |
