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Method for dynamically absorbing shocks in power shafts, particularly in supercritical shafts, and shock absorbing architecture for implementing said method
Method for dynamically absorbing shocks in power shafts, particularly in supercritical shafts, and shock absorbing architecture for implementing said method
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机译:动态吸收动力轴,特别是超临界轴中的冲击的方法,以及用于实现所述方法的冲击吸收架构
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摘要
An architecture making it possible to provide sufficient absorption of shocks for a power shaft while maintaining rigidity at front bearings so as to not compromise meshing of power teeth of a drive pinion. A compressible dynamic shock absorption is provided in alignment with a downstream shock absorber of an additional meshing. An assembly for dynamically absorbing shocks for a power shaft includes upstream and downstream bearings including power rollers mounted on two casings and flanking a speed-reducing teeth meshing. The downstream bearing is coupled to at least one additional roller bearing associated with a compressible shock absorber to form a downstream shock absorber axially offset relative to the upstream bearing opposite the teeth meshing. Both downstream bearings are connectable by a flexible frame mounted on the common casing. The architecture can be used for power-transmission shafts, for example supercritical shafts in turbine engines.
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