| 摘要 |
A vacuum cleaner apparatus is provided which includes a vacuum motor, a filter means and an air pervious material collection bag. The vacuum motor is arranged to draw air downwardly in turn through the bag, the membrane, and the motor so that, in use, the bag retains material entrained in the air. The filter means is dimensioned to orientate the bag such that a portion of the bag is adjacent an air inlet providing for a substantial air flow to the motor even when the bag contains a substantial amount of material. 10 o -- ** - 0 0 ~ 48 0o' % 0 ,0 0 o2 13 -----~ *00o 35 28 o0o 0 0 .39 * , 18 --15 36 []2 |
