Hydraulic cooling system for vacuum street sweeper

摘要

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.