Patent · US Active

Road sweeper

US8505161B2 · kind B2 · utility

2Cited by

7References

17Claims

0Family size

Assignee

Alfred Kärcher GmbH & Co. KG · DE

Inventors

Roland Schick · Graz, AT
Andreas Kral · Winnenden, DE
Peter Knebel · Iserlohn, DE
Uwe Weller · Bad Berleburg, DE
Nikolaus Kocher · Villingen-Schwenningen, DE
Marcus Haug · Friedrichshafen, DE

Key dates

Filing date	Aug 6, 2012
Grant date	Aug 13, 2013
Priority date	—
Expiry date	Aug 6, 2032

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D46/10
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.