Intermediate heat exchanger
US8789389B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 12, 2010 |
| Grant date | Jul 29, 2014 |
| Priority date | — |
| Expiry date | Jul 19, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2500/18
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An intermediate heat exchanger 10 includes a double tube 11 and a liquid reservoir 14. The double tube 11 has an outer tube 15 and an inner tube 16 disposed inside the outer tube 15 with a clearance formed therebetween. The clearance between the outer tube 15 and the inner tube serves as a high-temperature-side refrigerant passage 12, through which refrigerant of high pressure flowing out of a condenser flows, and the interior of the inner tube 16 serves as a low-temperature-side refrigerant passage 13, through which refrigerant of low pressure flowing out of an evaporator flows. The liquid reservoir 14, which communicates with the high-temperature-side refrigerant passage 12 of the double tube 11, stores the refrigerant of high pressure flowing out of the condenser before the pressure of the refrigerant is reduced by a pressure reducer, and separate liquid-phase refrigerant and gas-phase refrigerant. The outer tube 15 of the double tube 11 has a refrigerant inlet 17 and a refrigerant outlet 18 communicating with the high-temperature-side refrigerant passage 12. At an intermediate position between the refrigerant inlet 17 and the refrigerant outlet 18, refrigerant flows from the hi…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.