Single evaporator, single fan combination refrigerator with independent temperature controls
US4009591A · kind A · utility
48Cited by
5References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 2, 1976 |
| Grant date | Mar 1, 1977 |
| Priority date | — |
| Expiry date | Jan 2, 1996 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D2400/06
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A single evaporator, single fan combination refrigerator includes a temperature control system which thermostatically maintains the fresh food compartment at a desired temperature by cycling the refrigerator system on and off as required, and which controls freezer compartment temperature by varying airflow through a duct conducting refrigerated air from the evaporator chamber to the fresh food compartment. Variable airflow control apparatus comprising a mechanical summer operating an air valve varies airflow through the duct as a function of the settings of both the fresh food control and the freezer control.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.