Speed control for inverter driven washing machine
US4986092A · kind A · utility
14Cited by
10References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 12, 1989 |
| Grant date | Jan 22, 1991 |
| Priority date | — |
| Expiry date | Apr 12, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B40/00
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A washing machine has a rotatable drum for holding items being washed and water for washing the items. The number of items in the drum and the amount of water in the drum may vary. Power is supplied from an inverter to a motor which rotates the rotatable drum. A speed control responsive to the inverter current regulates the drum rotating speed within a selected range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.