Vacuum cleaner with dust disposal

Details Vacuum cleaner with dust disposal Vacuum cleaner with dust disposal

1981-12-16

1984-01-17

Prunner, Kathleen J.

Gas separation

With nonliquid cleaning means for separating media

Solid agent cleaning member movingly contacts apparatus

15327E, 15352, 55357, 55429, 55433, 55472, 55482, 55487, 55DIG3, B01D 4612

Patent

active

044262116

ABSTRACT:
According to the present invention, there is provided a vacuum cleaner which comprises a dust collector detachably installed in a main body of the cleaner. A primary filter composed of a horizontal wall and a vertical wall is disposed within the dust collector. Both the horizontal and vertical walls are permeable to air and include a dust filter. A secondary filter is disposed behind the vertical wall of the primary filter. A first path for dust is defined btween the horizontal wall of the primary filter and the bottom of the body and merged into a second path developed between the vertical wall of the primary filter and the second filter. Preferably, the horizontal and vertical walls of the primary filter include a coarse mesh for trapping relatively large dust and the secondary filter includes a fine mesh for trapping relatively small dust which has passed through the primary filter. A lid is provided on the side of the primary filter opposite the vertical wall for discharging dust accumulated on said primary and secondary filters.

REFERENCES:
patent: 2226630 (1940-12-01), McCord
patent: 2643733 (1953-06-01), Shellman
patent: 3621640 (1971-11-01), Ohno et al.
patent: 3816983 (1974-06-01), Sawada et al.
patent: 4111670 (1978-09-01), DeMarco

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