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    • 3. 发明授权
    • Room exhaust duct
    • 室内排气管
    • US4612909A
    • 1986-09-23
    • US704571
    • 1985-02-22
    • Chi-Min Lee
    • Chi-Min Lee
    • F24C15/20
    • F24C15/2085
    • Disclosed is a room exhaust duct for collecting and exhausting grease, smoke, heat, steam and odors emanating from cooking food at a cooking table. The room exhaust duct has a hood, flexible duct and adapter duct assembly connected and in communication with the adapted duct assembly connected to and in communication with a permanent ceiling exhaust duct. A reversible hoisting motor is switch-operated and is mounted on the adapter duct assembly. The motor drives a drum reel to wind up or lower a cable connected to the hood to position same in various positions including the fully retracted position of the hood providing unobstructed and esthetically pleasing room space and the fully lowered position of the hood to maximize the collecting and exhausting of such grease, smoke, heat, steam and odors.
    • 公开了一种用于收集和排出在烹饪台上从烹饪食物发出的油脂,烟雾,热量,蒸气和气味的室内排气管。 房间排气管道具有连接并连接到连接到永久性天花板排气管道并与恒定天花板排气管道连通的适配管道组件的罩,柔性管道和适配器管道组件。 可逆式起重马达是开关操作的,并安装在适配器导管组件上。 电动机驱动鼓轮以卷起或降低连接到发动机罩的电缆,以在包括罩的完全缩回位置的各种位置处定位相同,从而提供无障碍和美观的房间空间以及罩的完全降低的位置以最大化收集 并排出这种油脂,烟雾,热量,蒸气和气味。