Filtering system with self-cleaning function and clothes dryer

Abstract

A filter system with self-cleaning function and a clothes dryer using the filter system, wherein the filter system comprises a shellwith an air inletand an air outlet, a filter system screen, a cleaning unit, a driving device and a lint collection drawer, wherein the driving device includes a drive motordisposed on the outer wall of the shelland a screw roddisposed inside the shell, the output shaft of the drive motorpasses through the small hole Iopened on the shelland extends inside the shell; one end of the screw rodis engaged with the output shaft of the drive motorand the other end of the screw rodis mounted inside the small hole IIopened on the wall of the shellopposite to the output shaft of the drive motor. The cleaning unitis screwed on the screw rodand driven by the screw rodto move back and forth and the lower end of the cleaning unitis in contact with the filter system screen, and the automatic self-cleaning lint function could be achieved. For the clothes dryer, the overall structure becomes more compact and reliable by improving structure of the filter system, and the lint collection efficiency and also drying efficiency are increased.