Brazed heat exchanger with fluid flow to serially exchange heat with different refrigerant circuits
US9903663B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 12, 2014 |
| Grant date | Feb 27, 2018 |
| Priority date | — |
| Expiry date | Jan 4, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF28F3/046
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
Apparatuses and methods described herein relate to brazed heat exchangers, which may be used for example in a heating, ventilation, and air conditioning system (HVAC) system and/or unit thereof. The heat exchanger includes a fluid flow structure to allow a fluid stream, for example a chilled fluid stream to exchange heat serially with more than one refrigerant circuit, where each refrigerant circuit is a distinct and independent refrigerant circuit. Generally, an apparatus to exchange heat serially with more than one heat exchange fluid circuit includes an internal flow path that allows a working fluid to flow through a first brazed heat exchanger, through one or more internal routing channels, and through a second brazed heat exchanger.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.