Cyclonic dirt separation module
US7247181B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 23, 2004 |
| Grant date | Jul 24, 2007 |
| Priority date | — |
| Expiry date | Oct 17, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/03
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to dirt separator module comprising a dirt-separation housing having an inlet and an outlet opening and defining a cyclonic airflow separator, and a suction source fluidly connected with the dirt-separation housing. A separator plate and a cylindrical wall of the dirt-separation housing form a toroidal cyclonic airflow chamber in the dirt-separator for aiding in the separation of dirt from a suction airstream developed by the suction source. The separator plate has an outer diameter smaller than the inner diameter of the cylindrical wall of the dirt-separation housing, creating a gap between the outer edge of the separator plate and the inner wall of the dirt tank. A further embodiment includes dual cyclonic separators fluidly connected through a filter assembly. A further embodiment includes a cyclonic separator in the form of a tangential helical ramp.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.