UNMANNED FIREBOAT AND FIRE EXTINGUISHING METHOD AT SEA

摘要

PROBLEM TO BE SOLVED: To provide an unmanned and automatic fireboat which can show sufficient safety and nobility. ;SOLUTION: There is provided a hull B which is constructed airtightly on a pilotless fireboat N. There is provided a fire extinguishing oar 1a on the hull B vertically and a circulating pump 1d, a ballast structure for diving and a navigator are loaded on the hull B. There are provided pumping ports 5 in four corners of the fireboat N vertically. The pumping ports 5 takes air in the hull and take out exhaust gas. Furthermore, the pumping ports are helpful in stabilizing the semi-dived hull as a buoyancy tank when the hull is dived. The circulating pump 1d is driven by an internal combustion engine if. The internal combustion engine If is connected with the pumping ports 5 through an intake pipe and an exhaust pipe. A ballast tank 2a is connected with the pumping ports 5 through a pump 2d, the intake pipe and the exhaust pipe.;COPYRIGHT: (C)2001,JPO