Invention Grant
- Patent Title: Cleaning device for cleaning artificial floor areas provided with floor covering particles, especially for artificial turf
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Application No.: US13599515Application Date: 2012-08-30
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Publication No.: US09702102B2Publication Date: 2017-07-11
- Inventor: Schmid Reinhold , Vrbanic Andre
- Applicant: Schmid Reinhold , Vrbanic Andre
- Applicant Address: DE Ulm
- Assignee: WIEDENMANN GMBH
- Current Assignee: WIEDENMANN GMBH
- Current Assignee Address: DE Ulm
- Agency: Global IP Counselors, LLP
- Priority: DE102011082311 20110907
- Main IPC: E01H1/08
- IPC: E01H1/08 ; A47L11/40

Abstract:
A cleaning device for cleaning artificial floor coverings provided with floor covering particles, such as artificial turf, comprising a sweeping device for gathering dirt particles from the floor covering, a separation device for separating the dirt particles from floor covering particles, a floor covering particle feedback device for gathering the floor covering particles separated from the dirt particles and feeding back the floor covering particles to the floor, a filter device for filtering dust particles, and a suction device which draws air from the area of the separation device through the filter device. First and second negative-pressure chambers in which negative pressure can be formed by the suction device suction are formed above and below the separation device, respectively, in fluid communication through the separation device. The first negative-pressure chamber is in fluid communication with the suction device only via the second negative-pressure chamber.
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