Gas separation – Flexible or collapsible bag type – Toroidal or annular bag
Patent
1994-05-06
1996-03-12
Woo, Jay H.
Gas separation
Flexible or collapsible bag type
Toroidal or annular bag
55378, 55DIG2, 55DIG3, B01D 4602
Patent
active
054982723
ABSTRACT:
A vacuum cleaner assembly for usage inn wet and dry environments. The interior main canister of the vacuum includes a chamber assembly having a capstan, interface plate and hourglass member for extending the vacuum effect downward from a vacuum motor placed atop a chamber that lies above the main chamber and above the canister assembly. The interior of the chamber is connected to a sweeper portion through the use of an inlet tube. The capstan and hourglass member each have small apertures in them. A Y-shaped inlet tube may be optionally used to connect the interior of the main chamber to the sweeper so that incoming fluid may be directed around the capstan for full "washing" effect.
REFERENCES:
patent: 2380382 (1945-07-01), Baker
patent: 2652902 (1953-09-01), Sheahan
patent: 2734594 (1956-02-01), Meeker
patent: 2810453 (1957-10-01), Kemitz
patent: 3973936 (1976-10-01), Howard et al.
patent: 4218805 (1980-08-01), Brazier
Halvonik John P.
Smith Duane S.
Woo Jay H.
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