Cyclonic vacuum cleaner cone

Details Cyclonic vacuum cleaner cone Cyclonic vacuum cleaner cone

1991-09-09

1992-08-11

Hart, Charles

Gas separation

With guide means effecting removal of constituent layer out...

Spiral guide

554591, B01D 4512

Patent

active

051375540

ABSTRACT:
A one-piece, truncated conical annulus or dust separator body is molded from a high impact polystyrene material in such manner that a narrow rib is formed on the inner conical surface of the body to extend continuously in a spiral path from the larger to the smaller end thereof. A flange on its larger end is used to support the body in a vacuum cleaner chamber above a dust collecting canister. Dust-laden air enters the upper end of the body tangentially and cyclonically so that dust particles are urged outwardly by centrifugal forces, and are fed by the spiral rib downwardly into the canister.

REFERENCES:
patent: 471272 (1892-03-01), Morse
patent: 2320343 (1943-06-01), Bailey
patent: 2351864 (1944-06-01), Linderman
patent: 4251243 (1981-02-01), Salete-Garces
patent: 4510056 (1985-04-01), Frykhult et al.

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