Apparatus and methods for cleaning dishes with an ozone sanitizing cycle
US11659974B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2021 |
| Grant date | May 30, 2023 |
| Priority date | — |
| Expiry date | Dec 22, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L15/50
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A method for cleaning dishes in a warewasher is provided: It may include filling a sump with hot water, dispensing detergent into the sump, running a wash cycle, draining the used hot water and detergent from the sump after the wash cycle, flushing the sump, filling the sump with the aqueous ozone solution, and running a rinse cycle with the aqueous ozone solution. A warewasher is provided: It may include a timer, a wash chamber, a sump, a hot water fill solenoid configured to direct hot water into the sump, a chemical dispenser, at least one spray arm, a circulation pump, an ozone generator assembly configured to provide aqueous ozone solution to the sump, and a drain assembly. The timer may control the hot water fill solenoid, the chemical dispenser, the circulation pump, the ozone generator assembly, and the drain assembly to effectuate a cleaning sequence.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.