| 摘要 |
A thruster for lateral propulsion of a waterborne vessel wherein said thruster is to be laterally mounted through the hull of the vessel and has propulsive ducts with respective outboard ends for opening to respective sides of the vessel and an inlet to the inboard end of both of the ducts, with propulsive means in the ducts between their inboard and outboard ends, said inlet being at least partially provided by a tunnel having an internal cross-sectional area greater than that of the ducts, said tunnel at least partially surrounding each of the ducts to provide a passage past the propulsive means to the inlet, the tunnel being for opening to each side of the vessel. |
