| 摘要 |
<p>1276556 Propelling and steering ships HYDROCONIC Ltd 25 Aug 1970 [25 Aug 1969] 42293/69 Heading B7U A ship's screw propulsion and steering assembly comprises a propulsion screw working in a fixed nozzle 12 with a forward set of multiple rudders 13 disposed at the nozzle entry and coupled to turn together, and an after set of multiple rudders 11 disposed at the nozzle exit and also coupled to turn together. The assembly is such that the forward rudder set is put over to a steering angle less than that of the after rudder set when the vessel is in a turn going ahead.</p> |
