Oil transfer bearings put under test
The growing demand for smaller aircraft engines that operate at great speeds places strict requirements on the performance of the transmission system. Effective lubrication, liquid cooling and hydraulic actuation are vital to increase performance and life span. The current focus is now on new oil transfer bearings. These will supply lubricant oil to planetary gear bearings when the carrier rotates and will control movable objects on the rotating frame such as the pitch control mechanism for the blades. With EU funding of the PROTEUSS project, researchers from the University of Nottingham will develop an experimental rig and computational models to study the operation of oil transfer bearings. Test results will allow their safe incorporation in the engine transmission system.
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