Exhaust hood for use in kitchen, has suction device for conveying smoke ad steam to outside atmosphere along exhaust pipe, which is activated by sound control device

摘要

An exhaust hood (10) with enclosure (10a), has suction devices (11,12) for conveying cooking smoke and steam to the outside atmosphere along the exhaust pipe (10b). The sound control devices (16-21) which activate suction device, compare the recorded voice messages with user's voice to select operating mode of suction device.