TURBOMACHINE FOR AN AIRCRAFT
The turbomachine design with an annular gear row reverses propeller rotation direction efficiently, addressing performance and part variability challenges in turbomachinery systems.
FR3169937A1Pending Publication Date: 2026-06-19SAFRAN TRANSMISSION SYST
Patent Information
- Application Number
- FR2024014183
- Authority / Receiving Office
- FR · FR
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2026-06-19
Smart Images
Figure 00000000_0000_ABST
Abstract
Turbomachine (10) for an aircraft, said turbomachine (10) comprising a gas generator having at least one compressor (1a, 1b), a combustion chamber (1c) and at least one turbine (1d, 1e), said at least one turbine (1d, 1e) having a first shaft (3) connected by a mechanical reducer (6) to a propulsion propeller (S), the reducer (6) having a solar (11) coupled to the first shaft (3), a ring gear (14) extending around the solar (11) and coupled to a second shaft (4) for driving the propeller (S), and planetary gears (12) which are meshed respectively with the solar (11) and the ring gear (14) and which are carried by a planetary carrier (13), characterized in that the ring gear (14) is coupled to the second shaft (4) by an annular row of pinions (20). Figure for the abbreviation: Figure 3
Need to check novelty before this filing date? Find Prior Art
Citation Information
Patent Citations
Gearbox configuration for clockwise and counterclockwise propeller rotation
CN116006670A
Geared turbofan with integral front support and carrier
US11578665B2
Fan drive
US3611834A