Vacuum cleaner and filter bag with air management

Details Vacuum cleaner and filter bag with air management Vacuum cleaner and filter bag with air management

1996-09-06

1997-08-19

Bushey, C. Scott

Gas separation

Flexible or collapsible bag type

Toroidal or annular bag

55368, 55380, 55381, B01D 4600

Patent

active

056583621

ABSTRACT:
Vacuum cleaner canisters and vacuum cleaner filter bags are provided with weir members disposed in the path of particle laden air flowing through the vacuum cleaner. The particle laden air flows across the top and/or side edges of the weir members creating a pressure drop thereacross and an area of low pressure on the downstream sides of the weir members whereby particles in the airstream are influenced to drop out of the airstream and into the low pressure areas.

REFERENCES:
patent: 1383615 (1921-07-01), Geier
patent: 1970043 (1934-08-01), Kern
patent: 2024143 (1935-12-01), Cameron
patent: 2171909 (1939-09-01), Berman
patent: 2268352 (1941-12-01), Taylor
patent: 2308682 (1943-01-01), Fuge
patent: 2637409 (1953-05-01), Turner
patent: 2732911 (1956-01-01), Gall
patent: 3973936 (1976-08-01), Howard et al.
patent: 4116648 (1978-09-01), Busch
patent: 4784676 (1988-11-01), Hale

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