Foil bearing

Details Foil bearing Foil bearing

2006-02-14

2006-02-14

Hannon, Thomas R. (Department: 3682)

Bearings

Rotary bearing

Fluid bearing

Reexamination Certificate

active

06997613

ABSTRACT:
In a foil bearing (1), a foil assembly (4) disposed between a stationary mount member (3) and a journal (2) of a rotating member comprises: a top foil (5) having one end secured to an upper portion of the stationary mount member and extending circumferentially to surround a substantially entire outer circumferential surface of the journal; and a plurality of spring foils (6) arranged in an annular gap between the top foil and the stationary mount member, wherein each of the spring foils consists of a resilient piece which is bent to have a joint portion (8) attached to the stationary mount member and a slide contact portion (9) for contacting the top foil, and wherein the spring foils are arranged in a circumferential direction such that the slide contact portions of adjoining ones of the spring foils partially overlap each other.

REFERENCES:
patent: 3893733 (1975-07-01), Silver et al.
patent: 4005914 (1977-02-01), Newman
patent: 4277113 (1981-07-01), Heshmat
patent: 4526483 (1985-07-01), Hishikawa et al.
patent: 4616388 (1986-10-01), Soum et al.

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