February 26, 2014

Liebherr-Aerospace delivers first bleed air system for C919 engine test bench

After having been selected to develop, manufacture, qualify and certify the integrated air management system for the C919 single-aisle aircraft in 2010, Liebherr-Aerospace recently delivered the first bleed air system to Chinese aircraft manufacturer COMAC. The system, which consists of bleed valves, a pre-cooler, a heat exchanger, high-pressure ducting and corresponding pressure and temperature sensors connected with a bleed monitoring controller, will be used for test-driven development of the engine LEAP 1C by CFM. These components were designed to withstand thermal and mechanical requirements of the new-generation engine. Measuring equipment has been fitted on the parts to provide COMAC and Liebherr-Aerospace with information on the behavior of the bleed air system during the engine tests. The next step for Liebherr-Aerospace will be the delivery of additional components for the engine ground and vibration test benches to prepare the flight test campaign of the C919.



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