| 摘要 |
PURPOSE: A ventilator is provided to simply remove pollutants of exterior air accumulated to a heat recovery ventilator by using exhausted interior air. CONSTITUTION: A ventilator includes a supply duct(10) through which exterior air is led to the interior by operation of a supply fan(15), and an exhaust duct(20) through which interior air is led to the outside by operation of an exhaust fan(25); a heat recovery ventilator(30) disposed to a crossing point of the supply duct and the exhaust duct; oscillators disposed to the heat recovery ventilator to receive power and oscillate the heat recovery ventilator ; and dampers(51,53) communicating the supply duct and the exhaust duct to make some of exhausted interior air discharged through supply passages(37) of the heat recovery ventilator, to remove pollutants attached to the supply passage. In the heat recovery ventilator, the supply passages communicated with the supply duct and exhaust passages(39) communicated with exhaust duct adjoin each other, and supply air and exhaust air are exchanged with heat.
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