Environmental control system of an aircraft
AssigneeHamilton Sundstrand Corporation
InventorsTony Ho, Louis J. Bruno
Life of this patent
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Abstract
An environmental control system for providing a conditioned medium to one or more loads of an aircraft includes a compressing device including a compressor and a turbine operably coupled to the compressor. The turbine is arranged downstream from the compressor relative to a flow of first medium. At least one power turbine is operably coupled to the compressor. The at least one power turbine is configured to receive a flow of a second medium, and the flow of second medium includes a cabin discharge air.
Claims20
An environmental control system for providing a conditioned medium to one or more loads of an aircraft comprising:
- a compressing device including:
- a compressor;
- a turbine operably coupled to the compressor, the turbine being arranged downstream from the compressor relative to a flow of first medium;
- and
- at least one power turbine operably coupled to the compressor, wherein the at least one power turbine is configured to receive a flow of a second medium, and the flow of second medium includes a cabin discharge air.
An environmental control system for providing a conditioned medium to one or more loads of an aircraft comprising:
- a compressing device including:
- a compressor;
- a turbine operably coupled to the compressor, the turbine being arranged downstream from the compressor relative to a flow of first medium;
- and
- at least one power turbine operably coupled to the compressor, wherein the at least one power turbine is configured to receive a flow of a second medium and a flow of a third medium simultaneously, wherein at least one of the flow of second medium and the flow of third medium includes cabin discharge air.
A method of operating an environmental control system of an aircraft comprising:
- providing a first medium to the environmental control system including a compressor, a turbine, and at least one power turbine wherein the first medium is provided to the compressor and the turbine sequentially;
- and
- extracting work from at least one of a second medium and a third medium provided to the at least one power turbine to drive the compressor;
- wherein in a mode of operation, work is extracted from the second medium and the third medium by the power turbine simultaneously, and one of the second medium and the third medium is cabin discharge air.
Dependencies are inferred from the claim text.