Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1988-05-19
1989-09-26
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15352, 55302, A47L 900
Patent
active
048689483
ABSTRACT:
This invention relates to a vacuum refuse collector comprising: a body; a refuse container mounted on the body having a refuse chamber; a filter in the refuse chamber of the refuse container dividing the refuse chamber into a refuse side and a non-refuse side; a flexible refuse tube communicating with the refuse chamber on the refuse side of the filter; an atmosphere port; an air velocity increasing means; duct means forming a first air path from the non-refuse side of the refuse chamber to the inlet of the air velocity increasing means, through the air velocity increasing means and then to atmosphere and a second air path from the atmosphere port to the inlet of the air velocity increasing means through the air velocity increasing means and to the non-refuse side of the refuse chamber; and control means for controlling the differential of air velocity in the first path and the second path to control the air velocity in the pick up tube.
REFERENCES:
patent: 1784339 (1930-12-01), Clasen et al.
patent: 3710412 (1973-01-01), Hollowell
patent: 3778864 (1973-12-01), Scherer
patent: 4366594 (1983-01-01), Hyams
patent: 4635814 (1987-01-01), Jones
patent: 4663799 (1987-05-01), Kiyooka
Moore Chris K.
W. T. Arnold Research & Development Inc.
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