Operating method of washing machine
US9328443B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2007 |
| Grant date | May 3, 2016 |
| Priority date | — |
| Expiry date | Mar 17, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B40/00
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An operating method of a washing machine capable of efficiently washing and sterilizing laundry with a relatively large amount of contaminants is disclosed. The operating method of a washing machine which includes a tub for storing washing water, a drum for accommodating laundry, and a steam generator that is supplied with water for generating steam separately from the washing water to supply steam to the laundry, the operating method including performing a primary rinsing operation for rinsing the laundry to discharge contaminants having a relatively large size to prevent a secondary contamination due to the contaminants having a relatively large size, performing a steam washing operation for supplying steam to steep the contaminants in water and sterilize the laundry while operating the drum, and performing a main washing operation for removing the contaminants and dissolving protein through high-temperature washing water containing a detergent while operating the drum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.