Bearing assembly with multiple squeeze film damper apparatus

Details Bearing assembly with multiple squeeze film damper apparatus Bearing assembly with multiple squeeze film damper apparatus

1978-10-19

1980-07-29

Schmidt, Frederick R.

Cutlery

308184R, 415113, F16C 3512, F16C 3904

Patent

active

042147964

ABSTRACT:
An improved bearing assembly is provided for supporting a rotating shaft. The improvement is comprised of utilizing a resilient support means in combination with a multiple squeeze film damper apparatus. The damper apparatus provides a large damping force to suppress large vibrations and excessive radial shaft deflections in the event of operation with an abnormally high unbalanced shaft. The resilient support provides a soft spring system as a means for establishing and maintaining the critical rotor speed at a low speed condition, for centering the shaft during normal operation, and for allowing radial deflection during operation with an unbalanced shaft.

REFERENCES:
patent: 2403489 (1946-07-01), Birmann
patent: 2440890 (1948-05-01), Birmann
patent: 2652139 (1972-03-01), Memery
patent: 3357757 (1967-12-01), Morley et al.
patent: 3499691 (1970-03-01), Baier
patent: 4046430 (1977-09-01), Buono et al.

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