Back to results
US 11,306,772 B2Granted
Radial foil bearing
AssigneeIHI Corporation
InventorNaomichi Omori
Life of this patent
Estimating the term…
Abstract
A radial foil bearing includes a bearing housing that has an insertion hole into which a shaft is inserted, a back foil that is disposed on an inner peripheral surface of the insertion hole, a top foil that is supported by the back foil, and a protrusion portion that protrudes toward an inner side in a radial direction of the insertion hole from the inner peripheral surface of the insertion hole and is configured to allow supporting of the top foil.
Claims17
A radial foil bearing comprising:
- a bearing housing that has an insertion hole into which a shaft is to be inserted;
- a back foil that is disposed on an inner peripheral surface of the insertion hole;
- a top foil that is supported by the back foil;
- and
- a protrusion portion that protrudes toward an inner side in a radial direction of the insertion hole from the inner peripheral surface of the insertion hole and is configured to allow supporting of the top foil in the radial direction of the insertion hole,
- wherein
- the back foil includes four end edges that extend in a direction intersecting an axial direction of the insertion hole with the protrusion portion interposed therebetween, and
- the protrusion portion and the bearing housing are formed of one-piece.
5 more elements
Dependencies are inferred from the claim text.