FIRE PUMP, FIRE ENGINE AND DRIVING METHOD OF FIRE PUMP

摘要

PROBLEM TO BE SOLVED: To rapidly suction non-pressure water from a water source and shorten a time required before jetting water.;SOLUTION: A water suction pipe passage 11 of a pump body is equipped with water suction ports 13L and 13R, and relay ports 14L and 14R for taking in pressure water. A delivery pipe passage 12 equipped with water jetting ports 15L and 15R. A first vacuum pump VP₁ is provided on the water suction pipe passage, and a second vacuum pump PV₂ is provided on the delivery pipe passage.;COPYRIGHT: (C)2003,JPO