Tip turbine engine with reverse core airflow
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United States of America Patent
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Jan 10, 2017
Grant Date -
May 10, 2012
app pub date -
Dec 22, 2011
filing date -
Dec 1, 2004
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Abstract
A tip turbine engine provides increased efficiency while eliminating or reducing the number of axial compressor stages by moving the core airflow inlet aft of the fan. As a result, the core airflow entering the core airflow inlet is the fan exhaust, which is already at an increased pressure. A portion of the fan exhaust is guided radially inward, then axially forward and then radially outward through compressor chambers in the hollow fan blades for further, centrifugal compression.
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