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US 2019/0337627 A1Published application
Two mode system that provides bleed and outside air or just outside air
AssigneeHamilton Sundstrand Corporation
InventorsLouis J. Bruno, Diane G. Drew
Life of this patent
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Abstract
An aircraft is provided. The aircraft includes a pressurized volume and an air conditioning system. The air conditioning system operates in a first mode or a second mode. The first mode includes when a first medium and a second medium and are mixed and provided to the pressurized volume. The second mode includes when only the first medium is provided to the pressurized volume.
Claims3
An aircraft comprising:
- a pressurized volume;
- and
- an air conditioning system comprising first and second turbines and a diversion point, the air conditioning system configured to switch between operating in a first mode and a fresh air mode,
- wherein the air conditioning system mixes and provides fresh air and bleed air to the pressurized volume when operating in the first mode, and
- wherein air conditioning system provides only fresh air to the pressurized volume when operating in the fresh air mode;
- wherein the air conditioning system is configured to divert a flow of the fresh air upstream of a heat exchanger to enter a turbine of the air conditioning system.
3 more elements
Dependencies are inferred from the claim text.