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US 11,306,771 B2Granted
Radial foil bearing
AssigneeIHI Corporation
InventorNaomichi Omori
Life of this patent
Estimating the term…
Abstract
The radial foil bearing (3, 3A, 3B, 3D) includes: a wave sheet-shaped back foil (11); and an intermediate foil (10) supported by the back foil, and the intermediate foil includes a flat portion (10b) facing a hill part (11c) of a wave sheet shape of the back foil, and a protruding part (39, 40, 40a, 40b, 40B) protruding toward the back foil via branching at a position in a circumferential direction between a top of at least one hill part and a top of a hill part adjacent to the one hill part in the wave sheet shape of the back foil.
Claims5
A radial foil bearing, comprising:
- a wave sheet-shaped back foil;
- and
- an intermediate foil supported by the back foil,
- wherein
- the intermediate foil includes
- a flat portion facing a hill part of the wave sheet-shaped back foil, and
- a protruding part protruding toward the back foil via branching at a position in a circumferential direction between a top of at least one hill part and a top of another hill part adjacent to the one hill part in the wave sheet-shaped back foil, and
- the protruding part is partially surrounded by a slit formed in the intermediate foil and is pushed out to protrude radially outward.
5 more elements
Dependencies are inferred from the claim text.