COOLING WATER CIRCULATING DEVICE OF FIRE TRUCK

摘要

PROBLEM TO BE SOLVED: To provide a cooling water circulating device of a fire truck circulating water without falling the level of suction water which is primed even if air and water in a delivery side of the fire pump are made to pass to a suction side pipe connecting port. SOLUTION: A circulation nozzle 30c is provided in an outlet of a cooling water channel 3, the circulation nozzle 30c is inserted through a pipe 31a in a suction side of the fire pump 2 and closely disposed to an inlet of a rotation channel 64 in impellers 62a and 62b. The circulation water released from the circulation nozzle 30c is introduced in the circulation channel 64. COPYRIGHT: (C)2004,JPO&NCIPI