| 摘要 |
<p>A dust filter device equipped in a cooling fan for a computer is provided to minimize the dust absorbed in the cooling fan and remove the absorbed dust, thereby extending the lifetime of main parts of the computer. A filter frame(30) comprises a lower plate supporting bar(31) of ring type, a plurality of reinforcing bars(32) of vertical cylindrical rod type and an upper plate supporting bar(33) of ring type. The supporting bars are inserted into the upper circumference side of a cooling fan. The reinforcing supporting bars are installed at predetermined intervals at the circumference upper side of the lower plate supporting bar. The upper plate supporting bar is installed at the upper ends of reinforcing supporting bars. A filter(40) is installed in the filter frame.</p> |
