Vacuum cleaning device with a suction nozzle
First Claim
1. A vacuum cleaning device comprising:
- a suction nozzle having a housing with an air guide chamber;
said housing comprising an inflow opening;
said suction nozzle having a brush roller rotatably mounted adjacent to said inflow opening inside said housing;
a bearing shaft mounted within said .housing;
an air turbine rotatably supported on said bearing shaft and driven in rotation by a suction air stream generated with said vacuum cleaning device, wherein said bearing shaft has a longitudinal axis and wherein an axis of rotation of said air turbine coincides with said longitudinal axis;
said air turbine rotates at a different rpm than said bearing shaft;
a planetary gear system operatively connected between said air turbine and said bearing shaft;
said planetary gear system positioned at least partially within said air guide chamber within a vicinity of a first axial end face of said air turbine such that said air turbine at least partially axially overlaps said planetary gear system;
a drive member operatively connected to said planetary gear system for driving said brush roller.
1 Assignment
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Accused Products
Abstract
A vacuum cleaning device has a suction nozzle with a housing and an air guide chamber. The housing has an inflow opening. The suction nozzle further has a brush roller rotatably mounted adjacent to the inflow opening inside the housing. A bearing shaft is mounted within the housing. An air turbine is rotatably supported on the bearing shaft and driven in rotation by the suction air stream generated with the vacuum cleaning device. The bearing shaft has a longitudinal axis and the axis of rotation of the air turbine coincides with the longitudinal axis. The air turbine rotates at a different rpm than the bearing shaft. A planetary gear system is operatively connected between the air turbine and the bearing shaft. The planetary gear system is positioned at least partially within the air guide chamber within the vicinity of a first axial end face of the air turbine such that the air turbine at least partially axially overlaps the planetary gear system. A drive member is operatively connected to the planetary gear system for driving the brush roller.
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Citations
10 Claims
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1. A vacuum cleaning device comprising:
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a suction nozzle having a housing with an air guide chamber; said housing comprising an inflow opening; said suction nozzle having a brush roller rotatably mounted adjacent to said inflow opening inside said housing; a bearing shaft mounted within said .housing; an air turbine rotatably supported on said bearing shaft and driven in rotation by a suction air stream generated with said vacuum cleaning device, wherein said bearing shaft has a longitudinal axis and wherein an axis of rotation of said air turbine coincides with said longitudinal axis; said air turbine rotates at a different rpm than said bearing shaft; a planetary gear system operatively connected between said air turbine and said bearing shaft; said planetary gear system positioned at least partially within said air guide chamber within a vicinity of a first axial end face of said air turbine such that said air turbine at least partially axially overlaps said planetary gear system; a drive member operatively connected to said planetary gear system for driving said brush roller. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification