Warewashing machine with drain water tempering system
US12274408B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2022 |
| Grant date | Apr 15, 2025 |
| Priority date | — |
| Expiry date | Dec 10, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L2501/02
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A warewashing machine including a housing defining an internal volume, a heat source for heating the water from a first water source, a hot water tank for receiving water heated by the heat source, an agitation unit for applying water to the dishware, and a drain water tempering system having a drain water fitting defining an interior chamber, a drain water inlet port, a drain water outlet port, a cool water inlet port, and a drain tempering valve disposed within the cool water inlet port and movable between a closed position blocking a fluid flow path between the interior chamber and an open position opening the flow path, the drain tempering valve including a temperature sensor, wherein the interior chamber defines a top volume portion, and a bottom volume portion, disposed below a threshold at which the drain water outlet port intersects the interior chamber of the body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.