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
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N/A
app pub date -
May 31, 2012
filing date -
Jul 5, 2011
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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 turbine 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 20 of the propulsor blades.
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