| 摘要 |
A novel "Korean Barbecue" smoke extractor is attached to a typical indoor air ventilation system of a "Korean Restaurant". The smoke extractor of this invention is comprised of, including but not limited to, a flexible shrinkable metal pipe of a diameter 6 to 20 cm, an oil collector, a crossing bar, a string for drawing up the crossing bar and the oil collector, and a means for winding and releasing of the string. The oil collector is attached at the bottom end of the metal pipe by a means of, including but not limited to, a screw, a welding, a metal ribbon, a clamp, and a flange. Pluralities of holes are punched along the surfaces for a suction of the smoke and the fumes generated from the grill. The same numbers of metal tubes are soldered to the oil collector holes for connecting the outer surface of the oil collector to the inside of the metal tube. The length of the metal tubes and the concave inner surface of the oil collector hold the oil condensed from the fumes. The upper part of the metal pipe is attached to an air ventilating duct which is installed crossing over the ceiling of a restaurant indoor by means of, including but not limited to, a flange, a metal ribbon, a welding and a screw. The lower bottom of the smoke extractor is located from 5 to 60 cm above the barbecue grill when the metal pipe is fully stretched. The smoke extractor of this invention is flexible to move sideways for collecting smokes from different sites of a grill.
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