Frost detecting device
US4450691A · kind A · utility
8Cited by
4References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 19, 1982 |
| Grant date | May 29, 1984 |
| Priority date | — |
| Expiry date | Oct 19, 2002 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2700/111
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A frost detecting device for a refrigeration unit of the type having refrigeration coils and fins. The device is adapted to be mounted on the side of the unit with frost accumulating means projecting from the unit to contact at least one fin in a manner to accumulate frost thereon at about the same rate as the fin. The device carries means for detecting a predetermined amount of frost on the accumulating means, in order to activate a defrosting cycle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.