Speed ​​reducer for driving a turbomachine blower

FR3167419A1Pending Publication Date: 2026-04-17SAFRAN TRANSMISSION SYST
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Patent Information

Authority / Receiving Office
FR · FR
Patent Type
Applications
Current Assignee / Owner
SAFRAN TRANSMISSION SYST
Filing Date
2024-10-16
Publication Date
2026-04-17
Patent Text Reader

Abstract

The invention relates to a speed reducer (100) for driving a turbomachine fan, comprising a sun gear (110), a ring gear (120), satellites (130), and a satellite carrier. The sun gear is configured to be mechanically connected to a turbomachine turbine to be driven by it, and the ring gear or the satellite carrier is configured to be mechanically connected to a turbomachine fan to drive it. The satellites are arranged in N tiers of satellites between the sun gear and the ring gear, N being even. The first tier has its satellites meshing with the sun gear, and the last tier has its satellites meshing with the ring gear. For the satellites of the nth and n+1th tiers directly consecutive, n ranging from 1 to N-1, each satellite of the nth tier meshes with a satellite. of the n+1th floor. Figure for the abbreviation: Figure 3
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Citation Information

Patent Citations

  • Disengageable speed-reducing unit

    EP3596360B1

  • Compact gear train for turbomachine gearbox

    FR3136531A1

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    US10227928B2

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    US20160319908A1