A ram air turbine (RAT) assembly includes a gearbox that supports a gear set with a ring gear that drives a pinion gear. The gear set provides for the transmission of power from the turbine to a generator, pump or other power conversion device. A turbine shaft supports the ring gear and a pinion shaft that rotates about an axis transverse to the turbine shaft supports the pinion gear. A ratio between a face width and a diametrical pitch of the gear set is within a desired ratio that provides sufficient space for supporting bearing assemblies while providing for operation within the physical constraints and desired performance requirements of the RAT.
Spiral bevel gear set for ram air turbine
2017-08-08
Patent
Electronic Resource
English
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