Patent ID: 7089623

Claim:
An arrangement for cleaning ducts and chimneys, the arrangement comprising: a guide wire cable ( 2 ) with a cleaning end ( 3 ) and a feed end ( 5 ), whereby a brush ( 9 , 12 ) or some other tool ( 10 ) is connected to the cleaning end ( 3 ) of the guide wire cable ( 2 ), a drive unit ( 29 , 30 ) connected to the feed end ( 5 ) of the guide wire cable ( 2 ), transmission means ( 2 ) for moving the brush ( 9 , 12 ) by means of the drive unit ( 29 , 30 ), and an underpressure unit for removal by suction of dirt loosened by the cleaning arrangement from a duct system characterized in that the drive unit ( 29 , 30 ) is a hydraulic pump ( 30 ), hydraulic pipes arranged inside the guide wire cable ( 2 ) serve as the transmission means, the primary drive unit for the brush ( 9 , 12 ) is a hydraulic motor ( 4 ) connected to the cleaning end ( 3 ) of the guide wire cable ( 2 ), the arrangement further comprises a receiver unit with a receiver bag, an inner, perforated casing encasing the receiver bag and an outer casing encasing the inner casing, a flow distributor cover which is used to create an underpressure between the inner casing and the outer casing, and a bevel gear connected to the cleaning end of the guide wire cable, the gear permitting changing the direction of the slewing axis of the brush by substantially ninety degrees, and the brush is encased by a hood having a connector and sealing strips for creating an underpressure inside the hood.