Extended load zone bearing
AssigneeEmerson Power Transmission Manufacturing, L.P.
InventorPatrick Tibbits
Life of this patent
Estimating the term…
Abstract
A bearing for providing the ability to more optimally and evenly share the load among a set of rolling elements to reduce maximum roller load in a cost effective and efficient manner, is provided. The bearing may include an outer race and an inner race, where the inner race includes a first and a second outer radius. The first outer radius of the inner race is radially spaced from the outer race, and the second outer radius forms an eccentric section. Rolling elements are positioned between the inner and outer races, where a portion of the bearing load is transferred to adjacent rolling elements located at the eccentric section.
Claims30
A bearing, comprising:
- an outer ring having an annular outer race;
- an inner ring having an inner race with a first outer radius and a second outer radius, wherein the first outer radius of the inner race is radially spaced from the outer race, and wherein the second outer radius forms an eccentric section;
- and
- rolling elements positioned between the inner race and outer race, wherein a portion of a bearing load on a set of the rolling elements at the eccentric section is transferred to adjacent rolling elements.
An inner ring of a bearing, comprising:
- an outer surface having a first outer radius and a second outer radius larger than the first outer radius in a given plane perpendicular to a axis of rotation of the bearing;
- wherein the second outer radius provides an eccentric section extending past the limits of a bearing load zone, and wherein the second outer radius has a center of curvature offset with respect to a center of curvature of the first outer radius.
A bearing assembly comprising:
- an outer ring having an outer race with an inner radius;
- an inner ring having an inner race with a first and second outer radius where the first outer radius intersects the second outer radius at a transition point;
- and
- rolling elements positioned between the inner and outer races;
- wherein a portion of a bearing load is transferred from the inner to the outer race through a set of the rolling elements located at the second outer radius of the inner race.
A bearing assembly comprising:
- an outer ring having an outer race with an inner radius;
- an inner ring having an inner race with a first and a second outer radius;
- and
- rolling elements positioned between the inner and outer races;
- wherein a portion of a bearing load is transferred from the inner to the outer race through a set of the rolling elements located at the second outer radius of the inner race;
- and wherein the second outer radius of the inner race forms an eccentric section.
A bearing assembly comprising:
- an outer ring having an outer race with an inner radius;
- an inner ring having an inner race with a first and a second outer radius;
- and
- rolling elements positioned between the inner and outer races;
- wherein a portion of a bearing load is transferred from the inner to the outer race through a set of the rolling elements located at the second outer radius of the inner race;
- and wherein the second outer radius of the inner race decreases radial space between the outer and inner race.
A bearing assembly comprising:
- an outer ring having an outer race with an inner radius;
- an inner ring having an inner race with a first and a second outer radius;
- and
- rolling elements positioned between the inner and outer races;
- wherein a portion of a bearing load is transferred from the inner to the outer race through a set of the rolling elements located at the second outer radius of the inner race;
- wherein the relationship between the first and second outer radii comprises R2=(1+f)R1 where f is the fractional increase in curvature.
Dependencies are inferred from the claim text.