Refrigerant circulating system
US5987907A · kind A · utility
30Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1996 |
| Grant date | Nov 23, 1999 |
| Priority date | — |
| Expiry date | Jul 23, 2016 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2700/2108
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A refrigerant circulation system of the present invention includes a compressor, a condenser, a evaporator, a throttle device and a control unit. The control unit controls a composition of a refrigerant circulating in the refrigerant circulation system based on a temperature and pressure of the refrigerant of an inlet and outlet portion of the compressor, condenser, evaporator and throttle device. The control unit controls to open and close the throttle device to change the composition of the refrigerant circulating in the refrigerant circulation system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.