Temperature Control System in a Passenger Service Unit
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United States of America Patent
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Issued Date -
Jul 15, 2021
app pub date -
Jan 13, 2020
filing date -
Jan 13, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A temperature control system in an aircraft passenger service unit is disclosed. In embodiments, the system includes a swirl chamber configured to receive an inlet air stream, and a vortex tube configured to receive the inlet air stream from the swirl chamber and separate the inlet air stream into a warmer air stream and a cooler air stream. In embodiments, the system further includes a nozzle configured to direct a temperature-controlled air stream into a passenger space of an aircraft; wherein the nozzle is configured to be selectably adjusted in order to selectively blend the warmer air stream and the cooler air stream in order to generate the temperature-controlled air stream.
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