Fluid film journal bearing with squeeze film damper for turbomac

Details Fluid film journal bearing with squeeze film damper for turbomac Fluid film journal bearing with squeeze film damper for turbomac

1991-12-31

1993-04-13

Footland, Lenard A.

Bearings

Rotary bearing

Hydraulic or pneumatic bearing support

384215, F16C 1702

Patent

active

052015858

ABSTRACT:
An improved fluid film bearing having a squeeze film damper tailored to the dynamic vibration characteristics of a turbomachine. Compact cantilevered spring bars support the squeeze film damper and thin fluid film bearing surface against the rotor shaft. The spring bars fit compactly within the bearing. The squeeze film damper includes oil plenums that provide a reservoir of fluid and prevent air from entering the damper and thin fluid film.

REFERENCES:
patent: 3589782 (1971-06-01), Le Breton
patent: 4027931 (1977-06-01), Streifert
patent: 4460283 (1984-07-01), Yoshioka et al.
patent: 4605316 (1986-08-01), Utecht
patent: 4947639 (1990-08-01), Hibner et al.
patent: 5071262 (1991-12-01), Monzel et al.

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