Laundry treatment appliance with dry estimate of the amount of laundry load
US12006618B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 11, 2020 |
| Grant date | Jun 11, 2024 |
| Priority date | — |
| Expiry date | Nov 27, 2040 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06F2105/56
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A laundry treatment appliance having a rotatable drum, an electric motor; at least one compartment to contain multiple doses of treatment agent, and a control unit The control unit is configured to, before delivering water: rotate the drum with a predefined speed profile comprising an accelerating ramp speed profile portion and a constant speed profile portion; estimate the amount of laundry load according to one or more parameters of the electric motor acquired during the drum rotation with the predefined speed profile; and according to said estimate, determine a treatment agent dose to be used during the selected laundry treatment cycle. The control unit is configured to, after determining the treatment agent dose, deliver water to the laundry load, and deliver the determined treatment agent dose to the laundry load.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.