Refrigerator
US4261180A · kind A · utility
12Cited by
4References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 1978 |
| Grant date | Apr 14, 1981 |
| Priority date | — |
| Expiry date | Dec 29, 1998 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B41/335
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
About 1 to about 25% by weight of a liquid refrigerant is mixed into a refrigerant gas to be introduced into a screw compressor by suction on the basis of the refrigerant gas in a refrigerator comprising a screw compressor, a condenser, and an expansion valve and an evaporator connected to one another in series. A cooling effect as well as a sealing effect can be satisfactorily attained thereby.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.