Vacuum cleaner

Details Vacuum cleaner Vacuum cleaner

1991-05-29

1993-05-18

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15322, 15347, 15353, A47L 536, A47L 700

Patent

active

052109020

ABSTRACT:
A vacuum cleaner which is able to be used for water extraction cleaning and for dry suction cleaning. The cleaner comprises a dry suction cleaning device and a water extraction cleaning device which are movable individually under the connected condition thereof. The water extraction cleaning device includes an air-liquid separation surface such that air and liquid impinge against the air-liquid separation surface, thereby causing entrained liquid droplets to be separated from the incoming air, a second air-liquid separation surface disposed at downstream of the first separation surface such that air and liquid past the first separation surface impinge against the second air-liquid separation surface, thereby causing small droplets to be separated from air. The present vacuum cleaner perfectly prevents water from incoming toward a motor, that is a suction device and effectively cleans smooth flat floors as well as carpet, when used for water extraction cleaning.

REFERENCES:
patent: 3048876 (1962-08-01), Kemnitz
patent: 3431582 (1969-03-01), Grave
patent: 3490208 (1970-01-01), Meyer et al.
patent: 3942217 (1976-03-01), Bates
patent: 3958298 (1976-05-01), Cannon
patent: 4078908 (1978-03-01), Blackman
patent: 4122579 (1978-10-01), Parise
patent: 4226000 (1980-10-01), Tribolet
patent: 4234995 (1980-11-01), Parise
patent: 4586208 (1986-05-01), Trevarthen
patent: 5075920 (1991-12-01), Salmon

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