Efficient, low pressure ratio propulsor for gas turbine engines
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United States of America Patent
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Sep 1, 2015
Grant Date -
Jan 10, 2013
app pub date -
Jul 5, 2011
filing date -
Jul 5, 2011
priority date (Note) -
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Abstract
A gas turbine engine includes a spool, a turbine coupled to drive the spool and a propulsor that is coupled to be driven by the turbine through the spool. A gear assembly is coupled between the propulsor and the spool such that rotation of the spool drives the propulsor at a different speed than the spool. The propulsor includes a hub and a row of propulsor blades that extends from the hub. The row includes no more than 16 of the propulsor blades.
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