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US 11,629,870 B2Granted
ECS using cabin outflow air as an electricity source
AssigneeHamilton Sundstrand Corporation
InventorAiden Coutin
Life of this patent
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Abstract
An environmental control system of a vehicle including a first inlet for providing a first medium, a second inlet for providing a second medium, a compression device arranged in fluid communication with the first inlet, and an expansion device separate from the compression device. The expansion device is arranged in fluid communication with the second inlet. Energy extracted from the second medium within the expansion device is provided to one or more loads of the vehicle.
Claims18
An environmental control system of a vehicle comprising:
- a first inlet for providing a first medium;
- a second inlet for providing a second medium;
- a compression device arranged in fluid communication with the first inlet, the compression device including a compressor, turbine, and power turbine, operably coupled via a shaft;
- an expansion device separate from the compression device, the expansion device being arranged in fluid communication with the second inlet, wherein energy extracted from the second medium within the expansion device is provided to one or more loads of the vehicle;
- wherein the environmental control system is operable in a plurality of modes including a first mode and a second mode, wherein in the first mode, energy extracted from both the turbine and the power turbine is used to operate the compressor, and in the second mode, energy extracted from only the turbine is used to operate the compressor.
2 more elements
A method of operating an environmental control system of a vehicle comprising:
- supplying a first medium to aa first inlet;
- adjusting at least one of a temperature and pressure of the first medium within the environmental control system to produce a conditioned first medium, wherein adjusting at least one of the temperature and pressure occurs via a compression device including a compressor, turbine, and power turbine, operably coupled via a shaft;
- supplying a second medium to a second inlet;
- and
- generating electricity by extracting energy from the second medium via an expansion device;
- wherein the environmental control system is operable in a plurality of modes including a first mode and a second mode, wherein in the first mode, energy extracted from both the turbine and the power turbine is used to operate the compressor, and in the second mode, energy extracted from only the turbine is used to operate the compressor.
3 more elements
Dependencies are inferred from the claim text.