Prevention of icing in the intakes of aerospace propulsors
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United States of America Patent
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-
Feb 18, 1992
Grant Date -
N/A
app pub date -
Feb 17, 1989
filing date -
Mar 23, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An air intake suitable for an aerospace propulsor comprises a duct which contains, in flow series, a first heat exchanger, a water separator, and a cryogen injector and a second heat exchanger. Air entering the intake is cooled by the first heat exchanger to cause the majority of the water vapor in the air to condense into water droplet form. The water droplets are then removed by the air flow by the water separator. The cryogenic injector reduces the air flow temperatures still further so that any remaining water in the air flow is converted to small dry ice crystals which do not block the second heat exchanger.
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