Detergent dispensing system for clothes washing machine or the like
US4862711A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1988 |
| Grant date | Sep 5, 1989 |
| Priority date | — |
| Expiry date | Sep 29, 2008 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06F2105/58
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A detergent dispensing system for clothes washing machines consists of a detergent containing hopper having a detergent discharging passageway having the section of approximately semicircular configuration and formed at the bottom portion, a spiral coil arranged in the detergent discharging passageway and discharging the powdered detergent contained in the hopper by screw action caused by its rotation so that the powdered detergent is dispensed to a wash tub of a clothes washing machine, an electric motor for driving the coil, a first manually operated switch for inputting data of a kind of the powdered detergent to be dispensed, a second manually operated switch for inputting data of degree of soil of clothes to be washed, a third manually operated switch for inputting data of a water level to set the water level in the wash tub, and a controller for controlling the rotation speed of the coil so that the amount of the powdered detergent to be dispensed takes a value in accordance with the kind of the powdered detergent, the degree of soil of the clothes to be washed and the water level the data of which are supplied from the first, second and third manually operated switches respe…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.