Washing machine
US11834773B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 13, 2019 |
| Grant date | Dec 5, 2023 |
| Priority date | — |
| Expiry date | Jul 21, 2040 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06F2105/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Provided is a washing machine capable of improving solubility of a powder detergent that remains without having been dissolved in mixing water contained in a tub. The washing machine includes a cabinet having a detergent supplier, a tub arranged in the cabinet to be connected to the detergent supplier and containing mixing water in which washing water supplied to the detergent supplier and a powder detergent are mixed, a drum rotatably installed in the tub, a circulation hose connecting between the tub and the drum for the mixing water contained in a lower portion of the tub to be circulated, a detergent dissolution device generating vortex current in mixing water circulated through the circulation hose to improve solubility of the powder detergent, and a circulation pump arranged in the circulation hose and configured to repeatedly supply and discharge mixing water to and from the detergent dissolution device through on/off controlling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.