Vacuum cleaner and filter thereof

Details Vacuum cleaner and filter thereof Vacuum cleaner and filter thereof

1992-11-09

1993-09-28

Hart, Charles

Gas separation: processes

Solid sorption

55337, 55498, 55500, 55528, 55DIG3, 95268, 96142, 96153, B01D 5304

Patent

active

052483231

ABSTRACT:
In a vacuum cleaner comprising a reduced velocity chamber with a high velocity air inlet, an electric motor, a rotary means driven by the motor for creating a vacuum in the chamber, an outlet for exhausting air from the chamber, which air flows in a selected path from the air inlet, through the chamber and out the air exhaust outlet and a disposable porous sheet filter layer in the chamber for removing solids particles from the air there is provided an improvement comprising a gas removing filter between the filter layer and the motor where the gas removing filter comprises an activated charcoal filter layer in the chamber, intersecting the air path and generally coterminous with the disposable filter layer.

REFERENCES:
patent: 2627936 (1953-02-01), Martinet
patent: 2627937 (1953-02-01), Martinet
patent: 3343344 (1967-09-01), Fairaizl et al.
patent: 3870495 (1975-03-01), Dixson et al.
patent: 4365980 (1982-12-01), Culbert et al.
patent: 4504290 (1985-03-01), Pontius
patent: 4650505 (1987-03-01), Magdelain
patent: 4702753 (1987-10-01), Kowalczyk
patent: 4909815 (1990-03-01), Meyer

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