FIRE EXTINGUISHING APPARATUS AND FIRE PREVENTIVE APPARATUS

摘要

A fire extinguishing apparatus or fire preventive apparatus which does not damage surroundings of a fire spot, can be used for electric equipment, does not adversely affect environment and human body, and can be used in an open space. The fire extinguishing apparatus has an acoustic wave irradiation device for applying an acoustic wave to a burning article. The acoustic wave may be an ultrasonic wave, and preferably has a polarized wave.