Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1984-02-10
1985-12-03
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15340, 60456, E01H 108
Patent
active
045558256
ABSTRACT:
A hydraulically actuated vacuum street sweeper (2) of the motorized vehicular type includes a vacuum system (12) with a vacuum blower (14) for suctioning debris, and a cooling system (50) utilizing otherwise wasted exhaust air from the blower for cooling hydraulic oil. Hydraulic conduit (52) is in the exhaust path of the vacuum blower and cooled by exhaust air from the latter.
REFERENCES:
patent: 3165775 (1965-01-01), Lutz
patent: 3173777 (1965-03-01), Tamny
patent: 3197798 (1965-08-01), Brown et al.
patent: 3604051 (1971-09-01), Wendel et al.
patent: 4069972 (1978-01-01), Hausmann
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