Apparatus, system and method for vacuum with switchable collection chamber
US11779175B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Dec 31, 2022 |
| Grant date | Oct 10, 2023 |
| Priority date | — |
| Expiry date | Dec 31, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/4016
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum apparatus can include a vacuum chamber assembly having a motor and blowing port, an inlet port forming a portion of the vacuum chamber assembly, a valve plate having a plurality of switchable valves, an intake chamber arranged and constructed between the vacuum chamber assembly and the valve plate, and a water collection chamber having a divided chamber residing below the valve plate, wherein the plurality of switchable valves is configured to switch from a first portion of the divided chamber to at least a second portion of the divided chamber. In some embodiments, the vacuum apparatus further includes a flapper valve at a bottom portion of the water collection chamber where the flapper valve retains and releases water intermittently, periodically or continuously between the first portion of the divided chamber and at least the second portion of the divided chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.