Device for indicating the formation of ice in refrigeration appliances
US6622497B2 · kind B2 · utility
1Cited by
15References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2002 |
| Grant date | Sep 23, 2003 |
| Priority date | — |
| Expiry date | Sep 25, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D2400/36
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A device for indicating the formation of ice in refrigeration appliances, such as the refrigerators of domestic use, comprising a display, which is mounted inside the refrigeration cabinet and formed by a demarcated region, defined by a heat sensitive element, whose color is enhanced and distinguished when submitted to a determined temperature condition that is reached when said demarcated region is contacted by the layer of ice accumulated on the evaporator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.