Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1996-04-30
1998-05-19
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15321, 15322, 15375, A47L 902
Patent
active
057522898
ABSTRACT:
A system for cleaning carpets and other textiles utilizing an applicator wand with which a cleaning liquid is spray-applied to the carpet and with which the cleaning liquid and loosened debris are removed from the carpet under the influence of a vacuum created by a vacuum pump. The applicator wand includes an operator-controlled aerator valve through which air can be introduced into the flow of cleaning liquid routed to the dispensing nozzles of the wand to thereby permit an operator to readily adjust the condition of the liquid being applied to the carpet between an aerated and a non-aerated condition. In addition, the applicator wand utilizes a flow restrictor valve to limit the strength of the vacuum generated at the lower edges of the wand at an amount acceptable to pull a substantial amount of liquid from the carpet while preventing the creation of an undesirable seal between the lower edges of the wand and the carpet. In addition, a dryer attachment for use with the vacuum of the system utilizes a rotatable brush for disturbing the fibers of the carpet as the attachment is moved thereacross, an air-powered turbine for rotating the brush, and a blower and air-heating components for introducing heated air over the fibers of the carpet being disturbed by the brush.
REFERENCES:
patent: 953825 (1910-04-01), Gekeler
patent: 1106231 (1914-08-01), Marshall
patent: 2096595 (1937-10-01), Sanford
patent: 2326311 (1943-08-01), Taylor
patent: 4275474 (1981-06-01), Woodard
patent: 5263224 (1993-11-01), Lovelady
McKee Michael E.
Moore Chris K.
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