Vacuum street sweeper and filter apparatus therefor

Details Vacuum street sweeper and filter apparatus therefor Vacuum street sweeper and filter apparatus therefor

1984-02-10

1985-11-26

Lacey, David L.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15347, 15352, 55319, 55323, 55332, 55472, 55478, 55482, 55DIG3, E01H 108, B01D 5000

Patent

active

045547017

ABSTRACT:
A motorized vehicular vacuum street sweeper (2) includes a hopper (14), a vacuum system (12) for suctioning debris and depositing same in the hopper (14), and a multi-stage filtration system (16) including a coarse filter above the hopper (14) and two different material filters (54 and 56) in an exhaust section (30) of the vacuum system (12) downstream and external of the hopper (14) to filter dust and the like and afford a cleaner exhaust to the atmosphere.

REFERENCES:
patent: 2143144 (1939-01-01), Fagerberg
patent: 2226630 (1940-12-01), McCord
patent: 2458258 (1949-01-01), Furr
patent: 2573556 (1951-10-01), Fain
patent: 2784440 (1957-03-01), Newport
patent: 3173777 (1965-03-01), Tamny
patent: 3238556 (1966-03-01), Martin
patent: 3242521 (1966-03-01), Young
patent: 4373227 (1983-02-01), Kimzey et al.

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