Engines
GE9X Uses CFM Leap’s Pioneering Cooling-Air Flow Modulation
Technology alters HTP cooling for specific flight conditions, allowing for better thermal efficiency and performance
A GE9X test article undergoes icing tests in Peebles, Ohio. (Photo: GE Aviation)
A GE9X test article undergoes icing tests in Peebles, Ohio. (Photo: GE Aviation)

GE Aviation has confirmed its new GE9X large-turbofan engine for the Boeing 777X incorporates a high-pressure turbine (HPT) cooling-air flow-modulation technology developed by GE and its joint-venture partner Safran Aircraft Engines for the CFM International Leap, the first powerplant to employ the HPT cooling-air modulation technique.


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