| 摘要 |
PROBLEM TO BE SOLVED: To provide a ventilator which has good harmonization with the number of burner grates and their location. SOLUTION: The ventilator is provided, at its lower surface plane, with a plurality of openings 1, 2, 3, 4 that serve as suction ports. A hollow hood body 6 having an exhaust hole that communicates outdoors is provided with an exhaust blower, which forms airflows directed from the individual openings 1, 2, 3, 4 to the exhaust hole. Each of the plurality of openings 1, 2, 3, 4 of the hood body 6 is provided with an opening/closing shutter that can be opened and closed. |
