Adaptive trans-critical CO2 cooling systems for aerospace applications
US9718553B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2013 |
| Grant date | Aug 1, 2017 |
| Priority date | — |
| Expiry date | Jul 14, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/50
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A cooling system for an aircraft includes a first cooling circuit having a first evaporator and a second evaporator, and a second cooling circuit having a third evaporator and a fourth evaporator. One of the first and second cooling circuits includes a first set of valves arranged to direct refrigerant through a first cooling sub-circuit, a second cooling sub-circuit, or both the first and second cooling sub-circuits based on ambient conditions. Two of the evaporators are installed on a first side of the aircraft, and the other two of the four evaporators are installed on a second side of the aircraft opposite the first side, and the first and second cooling circuits reject heat, via a heat exchanger, from their respective cooling circuit to air passing into an engine of the aircraft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.