Drum washing machine
US11180886B2 · kind B2 · utility
Inventors
Key dates
| Filing date | May 31, 2018 |
| Grant date | Nov 23, 2021 |
| Priority date | — |
| Expiry date | Jul 26, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2063/3093
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A drum washing machine includes a tub; a drum rotatably arranged in the tub; an agitator rotatably arranged in the drum and having a water spray hole; a drive in transmission connection with the drum via a main shaft which transmits a torque of the driver to the drum; a planetary gear assembly in transmission connection with the main shaft and the agitator and transmitting a torque of the main shaft to the agitator; and a water supply device in communication with one of the tub and a water source as well as the agitator respectively, supplying water in the tub or the water source to the agitator, and spraying the water into the drum through the water spray hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.