Thrust foil bearing
AssigneeNtn Corporation
InventorsMasato YOSHINO, Kazuyoshi HARADA
Life of this patent
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Abstract
A thrust foil bearing 40 having a thrust bearing surface S formed by arranging a plurality of leaves 42 side by side in a circumferential direction, in which each of the leaves 42 has a top foil portion Tf that forms the thrust bearing surface S, and a ratio of a circumferential length A of the top foil portion Tf of one of the leaves 42 at a radially central position of the top foil portion Tf, to a radial length B from an inner diameter-side edge 423 to an outer diameter-side edge 424 of the top foil portion Tf is 0.66 or less.
Claims4
A thrust foil bearing having a bearing surface formed by arranging a plurality of leaves side by side in a circumferential direction, wherein
- each of the leaves has a top foil portion that forms the bearing surface, and
- a ratio of a circumferential length of the top foil portion of one of the leaves at a radially central position of the top foil portion, to a radial length from an inner diameter-side edge to an outer diameter-side edge of the top foil portion is 0.66 or less.
Dependencies are inferred from the claim text.