Evaporator liquid preheater for reducing refrigerant charge
US10119729B2 · kind B2 · utility
2Cited by
16References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 1, 2015 |
| Grant date | Nov 6, 2018 |
| Priority date | — |
| Expiry date | Nov 18, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2700/21175
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A system and method for reducing the refrigerant charge in a refrigeration system by preheating the liquid refrigerant before it is introduced to the evaporator inlet. When refrigerant liquid is introduced to the evaporator inlet, a portion of the refrigerant liquid vaporizes. This refrigerant vapor displaces refrigerant liquid at the inlet of the evaporator. As more refrigerant vapor is introduced, the amount of liquid inside the evaporator is reduced. A heat exchanger is placed before the liquid refrigerant inlet of the evaporator to generate more vapor when the refrigerant enters the evaporator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.