Vacuum cleaning tool

Details Vacuum cleaning tool Vacuum cleaning tool

1992-02-19

1993-10-05

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

A47L 530

Patent

active

052493334

ABSTRACT:
A vacuum cleaning tool for a vacuum cleaner, including an intake opening and a brush roller that is disposed in the intake opening and is rotatably driven by an air turbine that in turn is driven by an intake air flow. To obtain a high torque at the brush roller even when the intake air stream fluctuates, the air turbine is embodied as a flow-through turbine having at least one ring-like blade arrangement, between the blades of which are formed axially delimited flow paths for radially receiving the intake air flow and guiding same into the center of the blade arrangement, and for radially discharging the intake air flow out of this inner space.

REFERENCES:
patent: 983988 (1911-02-01), Foster et al.
patent: 2683276 (1954-07-01), Olsen
patent: 2777152 (1957-01-01), Cosentino

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