Vacuum cleaning tool and method for its operation

Details Vacuum cleaning tool and method for its operation Vacuum cleaning tool and method for its operation

2011-05-17

2011-05-17

Redding, David A (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S339000, C015S383000, C015S419000

Reexamination Certificate

active

07941893

ABSTRACT:
A vacuum cleaning tool has a housing having a connecting socket for effecting flow communication to a vacuum device of a vacuum cleaning device. The housing has a suction opening through which a working air flow enters the housing. The housing has an outlet opening through which the working air flow exits from the housing. A cleaning tool is rotatably supported in the housing. An air turbine is rotatably supported in a turbine chamber of the housing and drives the cleaning tool in rotation. A control device controls the drive power for driving the cleaning tool based on a pressure existing in the vacuum cleaning tool.

REFERENCES:
patent: 6099661 (2000-08-01), Conrad
patent: 6813809 (2004-11-01), Wörwag

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