Planet gear assembly, epicyclic gear train provided with such an assembly, and gearbox
AssigneeAirbus Helicopters
InventorDouchane FAGES
Life of this patent
Estimating the term…
Abstract
A planet gear assembly comprising a planet carrier provided with at least one crankpin carrying a planet gear, the planet gear comprising a toothing provided with teeth, the toothing being situated around the crankpin and outside the crankpin. A planet gear bearing is arranged at least partially inside the crankpin, the planet gear comprising a foot that extends along an elevation axis at least partially into the crankpin, the planet gear comprising a rim connecting the foot and the toothing, outside the crankpin, the planet gear bearing extending radially from the foot to the internal face of the crankpin.
Claims15
A planet gear assembly comprising a planet carrier, the planet carrier comprising at least one crankpin carrying a planet gear of the planet gear assembly, the crankpin being hollow and comprising a wall extending radially with respect to an elevation axis and in a first direction from an internal face to an external face, the planet gear comprising a toothing provided with teeth, the toothing being situated around the crankpin and outside the crankpin,
- wherein a planet gear bearing of the planet gear assembly is arranged at least partially inside the crankpin, the planet gear comprising a foot that extends along the elevation axis, the foot extending at least partially into the crankpin, the planet gear comprising a rim connecting the foot and the toothing at least partially outside the crankpin, the planet gear bearing extending radially with respect to the elevation axis and in the first direction from an outer face of the foot to the internal face, the planet gear bearing comprising at least one row of rolling elements.
Dependencies are inferred from the claim text.