Dishwasher with drain assembly and check valve
US11241139B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 6, 2019 |
| Grant date | Feb 8, 2022 |
| Priority date | — |
| Expiry date | Dec 13, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L15/4225
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A dishwasher having a tub, a sump fluidly coupled to the tub, a discharge outlet, a drain assembly, and a check valve drain assembly including a seat assembly having a body with a first distal end and a second distal end, a fluid passage extending through the body, the body defining a valve seat having a sealing surface about the fluid passage and a flapper assembly operably coupled to the seat assembly and having a moveable portion configured to selectively move between a closed position where the moveable portion seals against the sealing surface and an opened position where the moveable portion raises to allow liquid through the fluid passage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.