Dishwasher
US10912440B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2018 |
| Grant date | Feb 9, 2021 |
| Priority date | — |
| Expiry date | Sep 6, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L2601/04
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A dishwasher includes a tub, a spray arm, a sump, a pump body, the pump body including a partition between first and second chambers, a communication hole in the partition that communicates with the first and second chambers, a pump flow path that connects the sump to the first chamber, an arm flow path that connects the spray arm to the second chamber, an impeller in the second chamber, a heating unit to heat water in the first chamber, a steam flow path that connects the first chamber to the tub, a connection flow path that connects the steam flow path to the arm flow path, and a flow path valve configured to close the steam flow path based on water being supplied to the connection flow path, and to open the steam flow path based on a lack of water being supplied to the connection flow path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.