Importance

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Abstract

A debris collection hopper for road surface maintenance vehicles, such as street sweepers and road mark line removers separates and retains debris according to their sizes inside a hopper of the pneumatic conveyance system. The air stream flows through three divided compartments—main storage area for coarse or bulky debris, low pressure drop pre-separator for fine particles, and filter housing for extra fine dusts. Each compartment has a common open end closed by a single door. During discharge, opening the door empties all the compartments. The hopper effectively collects debris from the pneumatic conveyance system, reduce clogging in filters and increasing productivity, while still being compact and simple to operate.

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First Claim