Bearings
AssigneeDana Corporation
InventorsAbdulla Omar Mian, Robert Williams, Robert William Mee
Life of this patent
Estimating the term…
Abstract
A plain bearing is described, the bearing being fitted, in use, in an associated bearing housing, the bearing back in contact with said housing is substantially coextensive with the housing in the axial direction wherein the running surface of the bearing is relieved in both the axial and radial directions so as to reduce the contact bearing surface area with an associated shaft journal, in use.
Claims20
A bearing for assembly about a journal comprising:
- a central bore;
- and
- at least two circumferential recesses extending in an axial direction and a radial direction in said central bore to reduce bearing contact with the journal, wherein said circumferential recesses are disposed substantially symmetrically about a length of the bearing and axially outward of an oil supply hole in the journal and extend about an entire outer circumference of the bearing, and wherein the total dimension of the circumferential recesses in the axial direction is about 5 to about 40% of an overall length of the bearing.
A bearing for assembly about a journal comprising:
- a central bore;
- at least one circumferential recess extending in an axial direction and a radial direction in said central bore to reduce bearing contact with the journal;
- and
- wherein said circumferential recess extends about an entire outer circumference of the bearing and a depth in the radial direction of the circumferential recess is about two to about fifteen times of a nominal total clearance between said central bore of the bearing and the journal while a length of the recess in the axial direction is about five to about forty percent of an overall length of the bearing.
A bearing for assembly about a journal comprising:
- a central bore having an axis and an outer circumference;
- at least one circumferential recess extending in an axial direction and a radial direction in said central bore to reduce bearing contact with the journal, said circumferential recess extending about said outer circumference of the beating;
- and
- wherein said circumferential recess is disposed at an axial end of the bearing and further includes a base parallel to said axis defined by said central bore.
A bearing for assembly about a journal comprising:
- a central bore;
- and
- at least one circumferential recess extending in an axial direction and a radial direction in said central bore to reduce bearing contact with the journal, wherein the total dimension of the circumferential recess in the axial direction is about 5 to about 40% of an overall length of the bearing.
Dependencies are inferred from the claim text.