ECS with 2-stage water separation
AssigneeHoneywell International Inc.
InventorsGeorge Afeiche, Kathrine J. Clarke, Roger Murry, Michel A. Jonqueres
Life of this patent
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Abstract
A two spool environmental control system includes a low pressure spool subsystem comprising a low pressure turbine and a condenser downstream of the low pressure turbine. A high pressure spool subsystem is in air flow communication with the low pressure spool subsystem and includes the condenser, a first water extractor in air communication with the condenser, a high pressure turbine downstream of the condenser, a second water extractor in air flow communication with the condenser, and a reheater downstream of the high pressure turbine.
Claims55
A method for conditioning water vapor bearing compressed air for supply as conditioned air, comprising:
- using a high pressure spool subsystem including a high pressure turbine and a compressor;
- using a low pressure spool subsystem downstream of and in air flow communication with said high pressure spool subsystem, said air flow communication being in the absence of rotating engagement between said subsystems, and said low pressure subsystem including a low pressure turbine and condenser;
- said condenser being upstream of said low pressure turbine and said high pressure turbine;
- and
- condensing, for the purpose of dehumidification, substantially all of said water vapor upstream of and in said high pressure turbine.
A method for conditioning water vapor bearing compressed air for supply as conditioned air, comprising:
- using a high pressure spool subsystem including a high pressure turbine and a compressor;
- using a low pressure spool subsystem downstream of and in air flow communication with said high pressure spool subsystem, said air flow communication being in the absence of rotating engagement between said subsystems, and said low pressure subsystem including a low pressure turbine;
- condensing, for the purpose of dehumidification, substantially all of said water vapor upstream of and in said high pressure turbine;
- and
- precluding a recovery of heat of condensation between said high and low pressure turbines.
A method for conditioning water vapor bearing compressed air for supply as conditioned air, comprising:
- using a high pressure spool subsystem including a condenser and a high pressure turbine;
- using a low pressure spool subsystem downstream of and in air flow communication with said high pressure spool subsystem, said air flow communication being in the absence of rotating engagement between said subsystems, and said low pressure subsystem including a low pressure turbine and said condenser;
- condensing substantially all of said water vapor in said condenser and high pressure turbine such that a condensed water vapor is produced;
- and
- extracting said condensed water vapor upstream and downstream of said high pressure turbine.
A two spool air cycle system for conditioning water vapor bearing compressed air, comprising:
- a low pressure spool subsystem comprising a low pressure turbine and a condenser;
- and
- a high pressure spool subsystem in air flow communication with said low pressure spool subsystem, said high pressure spool subsystem comprising said condenser, a first water extractor downstream of said condenser, a high pressure turbine downstream of said condenser, and a second water extractor downstream of said high pressure turbine.
A two spool air cycle system for conditioning water vapor bearing compressed air, comprising:
- a low pressure spool subsystem comprising a low pressure turbine and a condenser downstream of said low pressure turbine;
- and
- a high pressure spool subsystem in air flow communication with said low pressure spool subsystem, said high pressure spool subsystem comprising said condenser, a first water extractor in air communication with said condenser, a high pressure turbine downstream of said condenser, a second water extractor in air flow communication with said condenser, and a reheater downstream of said high pressure turbine.
A two spool air cycle system for conditioning water vapor bearing compressed air, comprising:
- a compressor;
- a condenser downstream of said compressor;
- a first water extractor downstream of said condenser;
- a high pressure turbine downstream of said first water extractor;
- a second water extractor downstream of said high pressure turbine;
- a reheater downstream of said second water extractor;
- and
- a low pressure turbine downstream of said reheater,
- whereby said low pressure turbine absorbs a heat of condensation in the substantial absence of said heat of condensation being absorbed by said system at a position intermediate said high and low pressure turbines.
A method for conditioning water vapor bearing compressed air for supply as conditioned air, comprising:
- using a high pressure spool subsystem including a high pressure turbine and a compressor;
- using a low pressure spool subsystem downstream of and in air flow communication with said high pressure spool subsystem, said air flow communication being in the absence of rotating engagement between said subsystems, and said low pressure subsystem including a low pressure turbine;
- and
- extracting condensed water vapor upstream of and downstream of said high pressure turbine.
A method for conditioning water vapor bearing compressed air for supply as conditioned air, comprising:
- using a high pressure spool subsystem including a high pressure turbine and a compressor;
- using a low pressure spool subsystem downstream of and in air flow communication with said high pressure spool subsystem, said air flow communication being in the absence of rotating engagement between said subsystems, and said low pressure subsystem including a low pressure turbine;
- and
- extracting condensed water vapor at a high pressure and a mid pressure.
A method for conditioning water vapor bearing compressed air for supply as conditioned air, comprising:
- extracting condensed water vapor from said compressed air at a high pressure;
- expanding said compressed air in a high pressure turbine;
- extracting condensed water vapor from said compressed air at a mid pressure;
- and
- expanding said compressed air in a low pressure turbine.
A two spool air cycle system for conditioning water vapor bearing compressed air, comprising:
- a low pressure spool subsystem comprising a low pressure turbine;
- and
- a high pressure spool subsystem in air flow communication with said low pressure spool subsystem, said high pressure spool subsystem comprising a first water extractor, a high pressure turbine downstream of said first water extractor, and a second water extractor downstream of said high pressure turbine.
An air cycle system for conditioning water vapor bearing compressed air, comprising:
- a first water extractor;
- a high pressure turbine downstream of said first water extractor;
- a second water extractor downstream of said high pressure turbine;
- and
- a low pressure turbine downstream of said second water extractor.
Dependencies are inferred from the claim text.