CFM Celebrates Its 1,001st Innovation
CFM International's advanced new LEAP engine includes technological innovations that combine the reliability and durability that are a CFM hallmark with low operating costs, greater fuel efficiency, and lower CO2 and NOx emissions.
CFM is celebrating its 1,001st innovation, demonstrating these benefits for its airline customers and to salute the work that thousands of people have done to develop the most advanced propulsion system in the industry today.
Here are just a few of the 1,001 innovations and how they benefit customers:
LEAP Innovation #265:
Convex compressor casing design
Customer benefit: Reduces blade tip losses, improves compressor efficiency to reduce fuel burn.
LEAP Innovation #342:
Compressor inlet guide vane leading edge design
Customer benefit: Improves operability range.
LEAP Innovation #625:
High-pressure compressor airfoil design with rotor sweep
Customer benefit: Improves compressor stall margin.
Innovation #816:
High-pressure compressor airfoil design with metal crystalline shape
Customer benefit: Improves compressor stall margin.
Innovation #922:
High-pressure compressor airfoil design with rotor radial camber distribution
Customer benefit: Improves compressor stage throttle margin
Innovation #151:
New 3-D aerodynamic design for low-pressure turbine blades
Customer benefit: better fuel consumption, acoustic performance
Innovation#502:
Easy access to the equipments & accessories
Customer benefit: reduced Turn Around Time
Innovation #212:
Integrated engineering analysis with solution feedback
Customer benefit: Solves for temperatures, flows and clearances simultaneously, which ultimately results in a more fuel efficient engine
Innovation #381:
Temperature modulated cooling flow
Customer benefit: Improves cruise fuel consumption
Innovation #518:
Double wall airflow
Customer benefit: More efficient high-pressure turbine blade cooling, improving blade life and reducing fuel consumption
Innovation #761:
High-pressure turbine blade platform contouring between airfoils
Customer benefit: Improves aerodynamic performance
Innovation #809:
Turbine Airfoil with pressure side tip shelf & convex tip baffle
Customer benefit: Improves blade durability & aerodynamic performance
Innovation #932:
Composite fan case
Customer benefit: reduces weight and improves engine fuel efficiency
High-pressure Turbine
Innovation #172:
High-pressure turbine blade platform contouring
Customer benefit: Improves aerodynamic efficiency to reduce fuel consumption
Innovation #241:
High-pressure turbine blade counter tip baffle airfoil
Customer benefit: reduces aerodynamic loss in the turbine and improves engine fuel burn
Innovation #588:
Angled high-pressure turbine blade tip squealer
Customer benefit: Generates an aerodynamic vena contracta to reduce leakage and improve turbine efficiency
Innovation #616:
Forward tilting high-pressure turbine nozzle
Customer benefit: Reduces secondary flows to increase turbine aerodynamic efficiency and reduce fuel burn
Innovation #775:
Non axi-symmetric airfoil bands and platforms
Customer benefit: Limit secondary flow to reduce pressure loss and improve engine fuel burn
Innovation #812:
Modulation of the high-pressure turbine nozzle cooling flow at various stages of flight
Customer benefit: Enables higher core flow and increases thermodynamic efficiency
Innovation #843:
High-pressure turbine shroud surface patterns
Customer benefit: Reduced tip leakage flow and increased thermodynamic efficiency
Innovation #917:
A high-pressure turbine blade mid tip baffle
Customer benefit: Reduces tip clearance leakage and increases aerodynamic efficiency
Combustor
Innovation #87:
The low emissions TAPS II combustor with the next evolution of nested flame technology
Customer benefit: Significantly reduces NOx emissions
Innovation #198:
Multi-hole combustor liner technology
Customer benefit: Increases cooling air efficiency to boost durability to reduce cost of ownership
Innovation #343:
Combustor mount frame
Customer benefit: Reduces system deflections for reliable engine operation
Innovation #805:
Pre-Filming air-blast pilot injector
Customer benefit: Simplifies combustor design to improve emissions, performance, and operability
Innovation #924:
Enhanced combustor
Customer benefit: Improves engine reliability
Other
Innovation #216:
R65 material alloy
Customer benefit: Improves the durability of high-temperature, life limited rotating parts to reduce cost of ownership
Innovation #264:
Integrated thrust reverser and aircraft pylon assembly
Customer benefit: Reduces propulsion system weight and drag to improve fuel efficiency
Innovation #419:
Sensors designed to prevent ice buildup during severe operations
Customer benefit: Improves reliability
Innovation #606:
Model-based engine health diagnostics
Customer benefit: Improves component efficiency and reduce cost of ownership
Innovation #743:
Nested ball/roller for core bearing spring finger
Customer benefit: Reduces sump volume and increases engine by-pass ratio
Innovation #822:
Eductor system
Customer benefit: Allows for P25 air to be used for sump pressurization and improves specific fuel consumption