Washing machine
US11708655B2 · kind B2 · utility
0Cited by
1References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 2020 |
| Grant date | Jul 25, 2023 |
| Priority date | — |
| Expiry date | Jun 2, 2041 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06F37/304
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A washing machine includes a dewatering shaft for rotating a washing tub, a drive shaft for rotating a pulsator in the washing tub, a coupler that is configured to move up and down along the dewatering shaft, a solenoid module that moves the coupler upward, a coupler guide configured to be rotated by contact with the coupler when the coupler moves upward, and to maintain a position of the coupler or guide the coupler to another position when the coupler moves downward, and a controller that controls operation of the solenoid module based on applying one or more pulse signals to the solenoid module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.