Systems and methods are disclosed for aircraft wheels and brakes systems for use in, for example, an aircraft. In this regard, a damper for an axle may comprise a solid body defined by a cylindrical outside diameter (OD) surface and an elliptical inner surface configured to be inserted into a bore o
Systems and methods are disclosed for aircraft wheels and brakes systems for use in, for example, an aircraft. In this regard, a damper for an axle may comprise a solid body defined by a cylindrical outside diameter (OD) surface and an elliptical inner surface configured to be inserted into a bore of the axle, the elliptical inner surface defining a void. The damper may comprise a varying thickness between the OD surface and the elliptical inner surface, the varying thickness including a minimum thickness along a major axis of the inner surface and a maximum thickness along a minor axis of the inner surface. The varying thickness may help to decouple a bending mode along the minor axis from the bending mode along the major axis.
대표청구항▼
1. A damper for an axle comprising: a solid body defined by a cylindrical outside diameter (OD) surface and an elliptical inner surface configured to be inserted into a bore of the axle, the elliptical inner surface defining a void concentric with the damper, the elliptical inner surface comprising
1. A damper for an axle comprising: a solid body defined by a cylindrical outside diameter (OD) surface and an elliptical inner surface configured to be inserted into a bore of the axle, the elliptical inner surface defining a void concentric with the damper, the elliptical inner surface comprising a major axis and a minor axis, wherein a first length of the major axis is greater than a second length of the minor axis, wherein the damper is configured to rotate with the axle about a center axis. 2. The damper for an axle of claim 1, wherein the damper is configured to be press fit into the bore of the axle. 3. The damper for an axle of claim 1, wherein the solid body comprises at least one of a metal alloy or a carbon/carbon composite. 4. The damper for an axle of claim 1, wherein the outside diameter (OD) surface of the damper is configured to be radially retained by an inside diameter (ID) surface of the axle. 5. The damper for an axle of claim 1, wherein the damper comprises a varying thickness including a minimum thickness along the major axis of the inner surface and a maximum thickness along the minor axis of the inner surface, the maximum thickness being greater than the minimum thickness. 6. The damper for an axle of claim 5, wherein the varying thickness is configured to decouple a bending mode along the minor axis from the bending mode along the major axis. 7. An axle assembly comprising: a rotatable axle; anda damper located inside of a bore of the axle comprising a solid body defined by a cylindrical outside diameter (OD) surface and an elliptical inner surface, the elliptical inner surface defining a void concentric with the damper, the elliptical inner surface comprising a major axis and a minor axis, wherein a first length of the major axis is greater than a second length of the minor axis. 8. The axle assembly of claim 7, further comprising at least one of a wheel axle sleeve or a brake axle sleeve circumferentially surrounding the axle. 9. The axle of claim 7, further comprising an axle nut coupled to the axle. 10. The axle assembly of claim 7, wherein the damper is configured to be press fit into the bore of the axle. 11. The axle assembly of claim 7, wherein the solid body comprises at least one of a metal alloy or a carbon/carbon composite. 12. The axle assembly of claim 7, wherein the outside diameter (OD) surface of the damper is configured to be radially retained by an inside diameter (ID) surface of the axle. 13. The axle assembly of claim 7, wherein the damper comprises a varying thickness including a minimum thickness along the major axis of the elliptical inner surface and a maximum thickness along the minor axis of the elliptical inner surface, the maximum thickness being greater than the minimum thickness. 14. The axle assembly of claim 13, wherein the varying thickness is configured to decouple a bending mode along the minor axis from the bending mode along the major axis. 15. A damper for an axle comprising: a solid body defined by a cylindrical outside diameter (OD) surface and an inner surface, the inner surface defining a void concentric with the damper, the damper configured to be inserted into a bore of the axle and the OD surface configured to be radially retained by an inside diameter (ID) surface of the axle, wherein a section modulus of the solid body is greater in a first direction than in a second direction, the first direction and the second direction being perpendicular to a centerline axis of the damper,wherein the damper is configured to rotate with the axle about a center axis. 16. The damper for the axle of claim 15, wherein a length of the damper is between 100% and 1000% of a diameter of the damper. 17. The damper for the axle of claim 15, wherein a length of the damper is between 10% and 50% of a length of the axle. 18. The damper for the axle of claim 15, wherein a first length of a minor axis of the inner surface is between 20% and 75% of a second length of a major axis of the inner surface. 19. The damper for the axle of claim 18, wherein the first length of the minor axis of the inner surface is between 20% and 50% of the second length of the major axis of the inner surface.
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이 특허에 인용된 특허 (11)
Enright John J., Brake rod having a bending mode coulomb damper.
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