An environmental control system (ECS) pack is provided including a primary heat exchanger, a secondary heat exchanger and an air cycle machine comprising a compressor and a turbine. The compressor is fluidly coupled to an outlet of the primary heat exchanger and to an inlet of the secondary heat exchanger. The outlet of the secondary heat exchanger is fluidly coupled to the turbine. A first conduit connects the outlet of the primary heat exchanger and the inlet of the secondary heat exchanger. The first conduit includes a first valve. A second conduit connects the outlet of the secondary heat exchanger to an air load. The second conduit includes a second valve.
Method for operating multi-pack environmental control system
2015-04-15
Patent
Electronic Resource
English
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