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US 2014/0270611 A1Published application
Thrust bearing
AssigneeDaido Metal Company Ltd.
InventorKazuaki TODA
Life of this patent
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Abstract
The disclosed is a thrust bearing including: a back metal layer; and a sliding layer joined to a front face of the back metal layer, the thrust bearing having a thickness T, wherein the back metal layer includes an intermediate sub-layer and a buffer sub-layer disposed on a back face of the back metal layer, the sliding layer being joined to the intermediate sub-layer, both of the sub-layers include iron or an iron alloy, and the buffer sub-layer has the thickness of 2 to 20% relative to a thickness T of the thrust bearing, and has a porosity ratio of 10 to 50%.
Claims4
A thrust bearing comprising:
- a back metal layer;
- and a sliding layer joined to a front face of the back metal layer, the thrust bearing having a thickness T,
- wherein the back metal layer includes an intermediate sub-layer and a buffer sub-layer disposed on a back face of the back metal layer, the sliding layer being joined to the intermediate sub-layer,
- both of the sub-layers include iron or an iron alloy, and
- the buffer sub-layer has a thickness of 2 to 20% relative to the thickness T of the thrust bearing, and has a porosity ratio of 10 to 50%.
2 more elements
Dependencies are inferred from the claim text.