| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a gas purifying device dispensing with replacement work of a photocatalytic filter and capable of miniaturizing the device. <P>SOLUTION: This gas purifying device is provided with a casing having a gas inlet and a gas outlet, and a cleaning filter provided for passing the gas, the photocatalytic filter impregnated with a photocatalyst, a cleaning means cleaning at least the surface of the cleaning filter in the gas inlet side, and a light illumination means emitting illumination light for activating the photocatalyst, which are all provided in the casing in this order from the gas inlet side toward the gas outlet side. <P>COPYRIGHT: (C)2007,JPO&INPIT |
