MTU Aero Engines has established itself as a leader in essential engine technologies: its low-pressure turbines, high-pressure compressors and turbine center frames are among the finest to be found in the global marketplace. The company’s other core competencies include high-tech manufacturing and maintenance techniques. To round off this list, Germany’s leading engine manufacturer can boast of unique inspection and testing expertise as well as comprehensive systems Knowledge.
MTU’s high-pressure compressors are among the best in the world. For more than 40 years, the company has been developing, manufacturing, and overhauling this engine module. Current flagship products are the military compressors for the EJ200, which powers the Eurofighter Typhoon, and the TP400-D6 for the A400M military transporter. The high-pressure compressor developed in partnership with Pratt & Whitney is one of the core components of the Geared Turbofan™ (GTF) engine family. To protect the compressor blades against erosion by sand and dirt particles, MTU has developed and patented ERCoat, a high-temperature multilayer coating.
Active systems—assemblies that respond to variations in operating conditions—are set to play a key role in the next-generation compressors. Such systems can adapt their shape or position depending on whether the aircraft is ascending or cruising, for example. Given that integrated structures (produced in a single piece) and new materials hold the key to significant reductions in weight, MTU is pressing ahead with their development.
MTU has carved out a world-class technological position for itself in the field of low-pressure turbines. The breadth of its expertise is enormous, ranging from conventional models for business jet engines and power turbines for heavy-lift helicopters all the way to large conventional low-pressure turbines for turbofan engines powering medium- and long-haul airliners.
MTU’s technological masterpiece is the high-speed low-pressure turbine for the highly efficient and unique Geared Turbofan™ propulsion system. Thanks to low aerodynamic loads, this key component achieves greater stage efficiency compared to conventional low-pressure turbines. At the same time, the high rotational speeds mean the stages work harder, allowing the stage count to be reduced by almost half.
Turbine center frames
For engines in the upper thrust category, MTU manufactures turbine center frames (TCFs). This engine module fulfills an important function: it routes the flow of hot gases exiting the high-pressure turbine toward the low-pressure turbine. It is exposed to extreme stresses resulting from high temperatures and high mechanical loads. Always thinking one step ahead, MTU developed suitable materials to withstand such stresses and built a state-of-the-art TCF production shop well in advance.
MTU develops and builds turbine center frames for long-haul aircraft engines: the GP7000 for the Airbus A380, GEnx for the Boeing 787 Dreamliner and Boeing 747-8, and GE9X, the exclusive engine for the Boeing 777X.