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US 9,790,986 B2Granted
Foil bearing with large radius key
AssigneeHamilton Sundstrand Corporation
InventorsChristopher McAuliffe, Murtuza Lokhandwalla, Anthony Santiago
Life of this patent
Estimating the term…
Abstract
A gas bearing within a cylinder includes an anti-rotation tab sitting within a key way of the cylinder and a first foil forming an inner loop and an intermediary loop. The inner loop extends in a first direction from a first end to an intermediary portion. The intermediary loop extends from the intermediary to the anti-rotation tab.
Claims8
A gas bearing for use in a cylinder, comprising:
- an outer foil including a first end and an intermediate portion, the outer foil traversing substantially around an inner circumference of the cylinder;
- an intermediate foil disposed around at least a portion of the outer foil, the intermediate foil traversing substantially around an inner circumference of the cylinder;
- and
- a key connecting the outer foil to the intermediate foil, the key having an inner radius that is at least 2.5 times greater than a thickness of the outer foil, the key having an outer radius that is smaller than a size of the of the key way.
1 more element
A gas journal bearing system comprising:
- a cylinder having a keyway formed therein;
- an outer foil including a first end and an intermediate portion, the outer foil traversing substantially around an inner circumference of the cylinder;
- an intermediate foil disposed around at least a portion of the outer foil, the intermediate foil traversing substantially around an inner circumference of the cylinder;
- and
- a key connecting the outer foil to the intermediate foil, the key having an inner radius that is at least 2.5 times greater than a thickness of the outer foil and at least partially disposed in the key way, the key having an outer radius that is smaller than a size of the of the key way.
2 more elements
Dependencies are inferred from the claim text.