Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1991-04-12
1992-12-29
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
153161, 15319, 55302, A47L 538
Patent
active
051739879
ABSTRACT:
In a vacuum cleaning system in which the top dome and receiving shell are separated by a screen, a screen cleaning system comprising an air knife having a coanda profile rotatably arranged in the dome adjacent the screen. The vacuum cleaning system is selectively actuated in accordance with a timed program to clean lint and debris from the screen.
REFERENCES:
patent: 3471890 (1969-10-01), Ramo
patent: 3486309 (1969-12-01), Wild
patent: 3628213 (1971-12-01), Ramo
patent: 4356010 (1982-10-01), Meyer
patent: 4655799 (1987-04-01), Bosworth et al.
patent: 4854951 (1989-08-01), Stephenson
Abington, Inc.
Flint Cort
Moore Chris K.
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