Drum type washing machine
US7735344B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2005 |
| Grant date | Jun 15, 2010 |
| Priority date | — |
| Expiry date | May 6, 2027 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06F33/36
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A drum type washing machine includes a rotary drum having an approximately horizontal or slanted rotational axis; an outer tub for accommodating the rotary drum therein; a driving motor for rotating the rotary drum; a detergent case for accommodating detergent therein; a first water supply unit for supplying water into the outer tub via the detergent case; a second water supply unit for supplying water into the rotary drum through a front opening thereof; and a controller for controlling operations of the driving motor and the first and the second water supply unit to execute a washing process during which water is supplied first up to a first water level, and the rotary drum is rotated at a first rotational speed for a time period, and then water is supplied up to a second water level, the first water level being lower than the second water level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.