The invention discloses a louver aid-to-navigation sail. The louver aid-to-navigation sail comprises a mast, a sail and a sail rotating mechanism, wherein the sail is connected with a ship body, the sail comprises a sail frame and multiple sail pieces, a rotating shaft supporting rod is arranged on each sail piece, the sail pieces are nested on the sail frame by virtue of the rotating shaft supporting rod, the sail rotating mechanism comprises multiple chain wheels and a second motor; the multiple chain wheels are arranged at one side of the sail frame in the vertical direction, the chain wheels are fixedly connected with corresponding rotating shaft supporting rods, and the second motor drives the chain wheels by virtue of a chain, so that the rotating shaft supporting rod rotates, and further angles of the sail slices are regulated; and when sailing against the wind, wind powder can be converted into lift force, so that ship drag reduction effect is realized, and utilization rate of wind energy can be greatly improved.
Louver aid-to-navigation sail
2016-02-17
Patent
Electronic Resource
English
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |