Defrost control
US4269035A · kind A · utility
10Cited by
3References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 19, 1979 |
| Grant date | May 26, 1981 |
| Priority date | — |
| Expiry date | Nov 19, 1999 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D21/12
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A defrost control, including a vertically extending evaporator positioned in thermal contact with the back wall of a chamber. The defrost sensor is arranged above the evaporator and within the boundary layer thickness of air in natural convection so that the sensor will terminate the defrost operation relative to the temperature of the evaporator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.