Ventilation – Workstation ventilator
Patent
1996-09-20
1997-07-08
Joyce, Harold
Ventilation
Workstation ventilator
55302, 553851, 553855, B01D 4604
Patent
active
056454783
ABSTRACT:
A bucket elevator filter apparatus including a filter unit for removing fugitive airborne particles from air; the filter unit having an inlet for receiving air, a filtered air outlet for discharging filtered air, and a filtered particles outlet for discharging filtered particles; and structure for attaching the filter unit to the hollow casing of a bucket elevator, for forming a passageway between the interior of the hollow casing of the bucket elevator and the inlet of the filter unit, and for allowing air to pass from the interior of the hollow casing of the bucket elevator into the inlet of the filter unit.
REFERENCES:
patent: 633995 (1899-10-01), Graves
patent: 3097936 (1963-07-01), Lincoln
patent: 3383840 (1968-05-01), Johnson et al.
patent: 3568414 (1971-03-01), Wyrough
patent: 4180390 (1979-12-01), Furstenberg
patent: 5549734 (1996-08-01), Standard
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