Vacuum filter

Details Vacuum filter Vacuum filter

1988-11-29

1993-07-27

Nozick, Bernard

Gas separation

Plural serial basically diverse separating media

Plural stages in unitary casing

55473, 15353, B01D 5000

Patent

active

052307220

ABSTRACT:
A final filter is provided for cleaning the cooling air drawn into the motor driven pump of a vacuum cleaner featuring a centrifugal separator. The final filter comprises a large area foam block filter and a sheet filter element received in a filter tray which is slideably received in a filter plenum disposed between the centrifugal separator and the motor/pump combination of the vacuum cleaner. The filter tray is supported horizontally within the filter plenum to define an inlet manifold and an outlet manifold having optimum flow characteristics and a detent is provided for snap locking the slideable filter tray within the filter plenum.

REFERENCES:
patent: 3240000 (1966-03-01), Hayes et al.
patent: 3308609 (1967-03-01), McCulloch et al.
patent: 3716967 (1973-02-01), O'Doyle et al.

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