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1. (WO2018142825) FRICTION REDUCING DEVICE FOR SHIP

Pub. No.:    WO/2018/142825    International Application No.:    PCT/JP2017/047059
Publication Date: Fri Aug 10 01:59:59 CEST 2018 International Filing Date: Thu Dec 28 00:59:59 CET 2017
IPC: B63B 1/38
Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD.
三菱重工業株式会社
Inventors: TAKANO, Shinichi
▲高▼野 真一
Title: FRICTION REDUCING DEVICE FOR SHIP
Abstract:
This friction reducing device for ships is provided with: a gas chamber (41) provided inside a hull (10); a ship bottom shell plate (27) that partitions the inside of the gas chamber (41) and the outside of the hull (10); a plurality of air blowout ports (42) provided in the ship bottom shell plate (27); a compressor (43); a sub air supply piping (46) in which the area of a passage which connects the compressor (43) and the gas chamber (41) and communicates with the gas chamber (41) is set smaller than the opening area of the air blowout ports (42); a container (64) that covers and partitions the air blowout ports (42) inside the gas chamber (41); and a plurality of through holes (67) provided in a predetermined position of the container (64), wherein the predetermined position does not face a connection path (46a) to the gas chamber (41) of a sub air supply piping (46).