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US 5,509,738 AGranted
Composite journal and thrust bearing system
AssigneeE. I. Du Pont de Nemours and Company
InventorsRobert Haynes, James F. McNamara
Life of this patent
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Abstract
A composite journal and thrust bearing system having a bearing housing with a journal and a thrust face lined with a high performance polymer, such as a polyimide, that is useful in applications requiring loss of lubrication protection.
Claims4
A composite journal and thrust bearing system comprised of a bearing housing having a journal and a thrust face wherein the thrust face and the journal are lined with a high performance polymeric material having a pressure-velocity characteristic of at least 100,000 psi ft/minute;
- the bearing having an inlet along the length of the bearing housing, said inlet serving as a means to feed lubricant into the inside of the bearing housing, and wherein there are grooves along the inner diameter at each end of the bearing housing.
Dependencies are inferred from the claim text.