Barrel cam actuator with strain wave gearing device
AssigneeDana Italia S.R.L.
InventorsPier Paolo RINALDI, Mark SLATER, Giuseppe MANICA, Valentina GIULIANI
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Abstract
Systems and methods for a barrel cam actuator assembly. The barrel cam actuator assembly includes, in one example, a barrel cam including a first track and a strain wave gearing device that is arranged coaxial to the barrel cam and rotationally coupled to the barrel cam. The barrel cam actuator assembly further includes an electric motor rotationally coupled to the strain wave gearing device and configured to selectively rotate the strain wave gearing device. Further, in the barrel cam actuator assembly, the strain wave gearing device includes an outer spline, a flexible inner spline that meshes with the outer spline, and an elliptical wave generator.
Claims20
A barrel cam actuator assembly, comprising:
- a barrel cam including a first track;
- a strain wave gearing device that is arranged coaxial to the barrel cam and rotationally coupled to the barrel cam;
- and
- an electric motor rotationally coupled to the strain wave gearing device and configured to selectively rotate the strain wave gearing device;
- wherein the strain wave gearing device includes an outer spline, a flexible inner spline that meshes with the outer spline, and an elliptical wave generator.
A method for operation of a barrel cam actuator assembly, comprising:
- adjusting a rotational position of a barrel cam through operation of an electric motor based on a barrel cam position signal that is generated by an angular position sensor;
- wherein the barrel cam actuator assembly includes:
- the barrel cam with a first track;
- a strain wave gearing device that is arranged coaxial to the barrel cam and rotationally coupled to the barrel cam;
- and
- the electric motor rotationally coupled to the strain wave gearing device and configured to selectively rotate the strain wave gearing device;
- wherein the strain wave gearing device includes an outer spline, a flexible inner spline that meshes with the outer spline, and an elliptical wave generator.
A barrel cam actuator assembly, comprising:
- a barrel cam including a first track;
- a strain wave gearing device that is arranged coaxial to the barrel cam and rotationally coupled to the barrel cam;
- and
- an electric motor rotationally coupled to the strain wave gearing device and configured to selectively rotate the strain wave gearing device;
- wherein the strain wave gearing device includes an outer spline, a flexible inner spline that meshes with the outer spline, and an elliptical wave generator rotationally coupled to an input shaft and cyclically flexing the flexible inner spline via rotation.
Dependencies are inferred from the claim text.