| 摘要 |
PCT No. PCT/SE93/00109 Sec. 371 Date Sep. 14, 1994 Sec. 102(e) Date Sep. 14, 1994 PCT Filed Feb. 12, 1993 PCT Pub. No. WO93/15950 PCT Pub. Date Aug. 19, 1993.A double propeller arrangement for a marine propulsion unit, for example of the type which includes a so-called stern-drive. Each propeller has a hub consisting of an inner sleeve with splines for attachment to a propeller shaft, an outer sleeve with propeller blades, and an elastic bushing between the sleeves. Particular to the propeller arrangement is that the inner sleeve of respective propeller hubs is provided with an axial passage for the discharge of exhaust gases from an internal combustion engine connected to the propeller drive. |
