Street sweeper recirculation flap
US7520017B2 · kind B2 · utility
9Cited by
22References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2002 |
| Grant date | Apr 21, 2009 |
| Priority date | — |
| Expiry date | Sep 22, 2023 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01H1/042
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A street sweeper system is used typically in a motorized vehicle. The sweeper utilizes a cylindrical brush rotating about an axis generally perpendicular to the vehicle's direction of motion. A conveyor belt catches debris thrown forwards and upward by the brush and moves the debris to a hopper. A recirculation flap is mounted contacting a lower rear portion of the brush. The recirculation flap deflects debris that has traveled over the top of the brush back into the brush to be recollected at the conveyor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.