Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1986-07-22
1988-07-12
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15321, A47L 1134
Patent
active
047560487
ABSTRACT:
A device for cleaning large-area textile coverings, especially carpets and carpeted floors. The device has a rinse chamber that can be placed against the textile covering and slid over it, is open at the bottom, and has walls (8.11-8.12 & 8.21-8.22) that are double all the way around. The continuous space (8.3) between the outer and inner wall communicates with a vacuum space through a suction connection (12.1), creating an essentially annular suction nozzle that is open at the bottom. The rinse chamber rests against the textile covering (7.2) on at least the bottom edge of its outer wall, which is provided with sealing surfaces (8.112 & 8.122). Spray nozzles (13) and ultrasonic generators (16) are positioned in the space inside the rinse chamber (8). The water level (W) inside the rinse chamber (8) is regulated to keep the spray nozzles and ultrasonic generators immersed in the water. The dirty water emerging at the bottom edge of the inner wall (8.21 & 8.22) is constantly suctioned off.
REFERENCES:
patent: 4000538 (1977-01-01), Tissier
patent: 4103519 (1978-08-01), Davidson
Kauffeldt Horst
Kauffeldt Thomas
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