| 摘要 |
PURPOSE: A portable air supply apparatus in the water is provided to supply air continuously in working under water with compact structure, and to improve convenience and to reduce expenses by decreasing volume and weight. CONSTITUTION: A portable air supply device is composed of a motor(20) installed in an air generator body(10) with a driving shaft; an air generating unit(30) combined with the driving shaft of the motor to compress suction air and discharge; a cooling fan(40) installed in the driving shaft of the motor to cool the motor and the air generating unit by sucking air; a water circulation pump(50) cooling heat by circulating water around the air generating unit; and an air storage tank connected to the outlet of the air generating unit to store compressed air. Air is supplied successively in working under water with compact structure.
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