Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1977-12-19
1979-02-06
Moore, Christopher K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
A47L 700
Patent
active
041376005
ABSTRACT:
A vacuum-type cleaning apparatus employs a cleaning head which has an intake opening that is adapted to be juxtaposed with contaminated portions of an object to be cleaned. Air is withdrawn from the interior of the cleaning head. Nozzles inject streams of cleaning fluid into the channel and the flow of the fluid is directed towards the intake opening and at an angle relative to the plane of the intake opening for the fluid to impinge the object and to be subsequently removed from the object by suction together with contaminants entrained therein at a wet cleaning zone. The flow is directed and changed into a liquid curtain by a baffle which is inclined transversely of the plane of the intake opening, preferably at an acute angle. The baffle is movably mounted within the channel and provides for a dry cleaning zone in which loose contaminant particles are being picked up from a region of the surface prior to contacting of such regions by the curtain of cleaning fluid in the wet cleaning zone, the sizes of the cleaning zones being variable by moving the baffle.
REFERENCES:
patent: 742880 (1903-11-01), Lotz
patent: 2692163 (1954-10-01), Geel
patent: 3705437 (1972-12-01), Rukavina et al.
patent: 3840935 (1974-10-01), Fitzgerald et al.
patent: 3942214 (1976-03-01), Maasberg
Moore Christopher K.
Striker Michael J.
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