Aircraft turbomachine arrangement comprising a lubrication pump driven by two oblique gears
AssigneeSafran Aircraft Engines
InventorsEmmanuel Fabrice Marie Baret, Julien Fabien Patrick Becoulet, Franck Emmanuel Bosco, Michel Gilbert Roland Brault, Paul Ghislain Albert Levisse
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Abstract
A pump that can be a gear pump that drives a rotating body of an aircraft turbine engine such as a fan shaft, is set in rotation always in the same direction, by virtue of a transmission including an oblique double gear formed by a toothed wheel on the same side as the rotating body and meshing with two pinions connected to a shaft driving the pump through free-wheels with identical driving directions, whereas the pinions have opposite directions of rotation.
Claims12
A turbine-engine arrangement for an aeronautical turbine engine comprising a body rotating about an axis and carrying blades, the turbine-engine arrangement comprising:
- equipment to be lubricated, and a circuit for lubricating the equipment comprising a pump, and a drive transmission connecting the rotating body of the turbine engine to the pump,
- wherein the transmission comprises a first rotating shaft connected to the pump, two pinions with rotation axes parallel to the first shaft, and connected to the first shaft by two free-wheels with identical directions of sliding rotation, and a toothed wheel meshing with each of the pinions forming two oblique gears and driven by a second rotating shaft, connected to the rotating body by a transmission.
Dependencies are inferred from the claim text.