Controls for ventilation and exhaust ducts and fans
A duct and fan technology, applied in the field of ventilation, exhaust duct and fan control devices, can solve problems such as lack of structuring
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[0045] Such as figure 1 , 2 A commercial range 10 with a fume extraction hood 12 is shown. A duct 14 connects the fume extraction hood 12 with the ambient atmosphere 16 . Although a stove 10 has been shown, it may refer to any commercial or industrial facility that produces or uses smoke and / or dense smoke and / or noxious gases, a parking lot that emits automobile exhaust, and the like.
[0046] The range 10 has a hob 18 used in cooking food and a plurality of ovens 20 also used in cooking food.
[0047] The fume hood 12 has a control panel 22 for controlling the operation of the fume hood 12 , including controlling the operation of the fan assembly 24 . Although a single fan assembly 24 is shown, two or more fan assemblies may be provided. The fan assembly 24 may be of any suitable shape and type. More preferably, the fan assembly 24 is multi-stage variable speed.
[0048] exist figure 2 The valve 26 within the conduit 14 is shown in an open position and is disposed ne...
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