Rotatable-drum laundry drier and method of controlling a rotatable-drum laundry drier to dry delicate laundry
US9624619B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 25, 2011 |
| Grant date | Apr 18, 2017 |
| Priority date | — |
| Expiry date | Apr 12, 2034 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06F2105/48
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A method of controlling a rotatable-drum laundry drier to dry delicate laundry in a drum of the rotatable-drum laundry drier. The method includes the steps of feeding drying air into the drum; rotating the drum at a variable rotation speed about an axis of rotation; rotating the drum at a first rotation speed higher than, or equal to a rotation speed, at which centrifugal acceleration of the inner surface of the drum equals gravitational acceleration; making interruptions in rotation of the drum at the first rotation speed; and performing, at each interruption, one or more rotation cycles at a second rotation speed, so that, at each cycle, at least part of the laundry slides/tumbles slowly inside the drum while remaining in contact with the inner surface of the drum and/or another part of the laundry contacting the drum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.