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US 8,505,161 B2Granted
Road sweeper
AssigneeAlfred Kärcher GmbH & Co. KG
InventorsRoland Schick, Andreas Kral, Peter Knebel, Uwe Weller, Nikolaus Kocher, Marcus Haug
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AssigneeAlfred Kärcher GmbH & Co. KG
InventorsRoland Schick, Andreas Kral, Peter Knebel, Uwe Weller, Nikolaus Kocher, Marcus Haug
Estimating the term…
A road sweeper is provided with a rotatingly drivable sweeping brush, a sweepings container, a suction blower in flow communication with the sweeping brush for taking in dust-containing air, and at least one filter for separating dust from the air drawn in, wherein the filter can be acted upon on the clean side with external air stored in a pressure container and subject to pressure, via at least one external air valve for cleaning. In order for the filter to be cleaned off with as small an amount of external air as possible, the pressure container can have a pressure container wall located opposite the clean side of the at least one filter, the at least one external air valve being arranged on the wall, wherein a section of a suction conduit extends between the pressure container wall and the clean side of the filter.
A road sweeper with a rotatingly drivable sweeping brush and a sweepings container as well as a suction blower in flow communication with the sweeping brush via a suction conduit and an intake duct for the purpose of taking in dust-containing air, and with at least one filter for separating dust from the air drawn in, wherein the at least one filter can be acted upon on the clean side with external air subject to pressure and stored in a pressure container via at least one external air valve for the purpose of cleaning, wherein the pressure container has a pressure container wall located opposite the clean side of the at least one filter, the at least one external air valve being arranged on said wall, and wherein a section of the suction conduit extends between the pressure container wall and the clean side of the at least one filter.
Dependencies are inferred from the claim text.