Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
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.
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patent: 5075920 (1991-12-01), Salmon
Lee Seong B.
Lee Young C.
Park Deok K.
Goldstar Co. Ltd.
Lovejoy David E.
Moore Chris K.
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