Pool cleaning vehicle having side vents and ducts
US8709245B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 4, 2011 |
| Grant date | Apr 29, 2014 |
| Priority date | — |
| Expiry date | Nov 7, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2201/008
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Disclosed herein is an improved pool cleaning vehicle. The vehicle includes a housing, a bottom frame and a filter bag between the housing the bottom frame and attached to the bottom frame. The vehicle includes an intake system for causing water to enter the vehicle housing and to trap dirt and debris in the filter bag. The intake system includes more than one intake, which are typically mounted front and aft of the vehicle. The vehicle includes an outlet for flowing water passing through the filter bag back into the pool. Of course, both of the intake and outlet ports are in communication with the filter bag. The housing typically includes a bottom frame. Both the housing and the bottom frame have side openings defining vents, which serve as side intake ports. In an exemplary embodiment, the intake ports include a duct attached thereto. The duct has an open duct intake. In another exemplary embodiment, the front and/or aft intake port include a duct.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.