Dishwasher
US9867519B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2013 |
| Grant date | Jan 16, 2018 |
| Priority date | — |
| Expiry date | Jul 22, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L15/508
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A dishwasher is disclosed that includes a tub, an upper rack and a lower rack arranged in the tub and configured to receive objects a lower arm, a water supply pump configured to supply water to the lower arm chamber, a tower nozzle included in the lower rack and configured to inject water to the upper rack, a tower connection part detachable from the detachable pipe chamber and configured to connect and supply water to the tower nozzle based on being detached from the detachable pipe chamber, and a channel change unit provided in the lower arm chamber configured to alternately open (i) the chamber communication hole and (ii) an arm channel communication hole based on water pressure inside the lower arm chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.