Kitchen Ventilation System With Fan Having Positive Pressure-To-Output Characteristic Applied Thereto
a technology of positive pressure and ventilation system, applied in the field of kitchen ventilation system, can solve the problems of unnecessarily large power output, insufficient discharge of polluted materials by hood 20 installed on the lower floors, and insufficient installation on the higher floors, so as to achieve the effect of reducing noise, reducing installation costs and reducing installation costs
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[0020] Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.
[0021]FIG. 2 is a side sectional view of a kitchen ventilation system to which a fan having a positive pressure-to-output characteristic according to the present invention is applied, and FIG. 3 is a circuit diagram of a fan driving circuit for use in a kitchen ventilation system to which a fan having a positive pressure-to-output characteristic is applied according to an embodiment of the present invention.
[0022]FIG. 4 is a graph illustrating load curves and operating points of the fan driving circuit for use in a kitchen ventilation system to which a fan having a positive pressure-to-output characteristic is applied according to an embodiment of the present invention, FIG. 5 is a circuit diagram of a fan driving circuit for use in a kitchen ventilation system to which a fan having a positive pressure-to-output characteristic is applied accor...
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