Dishwasher
US11457792B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2019 |
| Grant date | Oct 4, 2022 |
| Priority date | — |
| Expiry date | Aug 22, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L15/4223
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A dishwasher includes a tub, a spray arm, and a spray arm. The spray arm includes an arm body that defines a plurality of channels that are partitioned from each other and that are configured to carry washing water and a plurality of spray holes configured to discharge washing water from the plurality of channels toward the washing objects. The spray arm further includes a chamber disposed vertically below the arm body and configured to communicate with the plurality of channels; a channel guider configured to supply washing water from the spray arm holder to the chamber; and a channel switch unit accommodated in the chamber and configured to open and close at least a portion of the plurality of channels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.