High temperature squeeze film damper

Details High temperature squeeze film damper High temperature squeeze film damper

1990-03-23

1992-01-14

Stodola, Daniel P.

Bearings

Rotary bearing

Hydraulic or pneumatic bearing support

74574, 464180, F16C 2700, F16C 300

Patent

active

050804995

ABSTRACT:
A squeeze film damper for the high temperature environments includes a fixed journal on a support, a floating journal on a rotating shaft, a damping ring in an annular chamber between the fixed and floating journals, and a pair of metal bellows straddling annular exposed channels defined at a pair of clearance gaps between the fixed and floating journals. The metal bellows are welded to the fixed and floating journals on opposite sides of the exposed channels and filled with high temperature resistant viscous fluid. The damping fluid flows to the damping chamber through the annular channels and the clearance gap between the fixed and floating journals.

REFERENCES:
patent: 2631901 (1953-03-01), Holben et al.
patent: 3552804 (1971-01-01), Bracken, Jr.
patent: 3836215 (1974-09-01), Dopkin et al.
patent: 4161237 (1979-07-01), Uchida et al.
patent: 4214796 (1980-07-01), Monzel et al.
patent: 4226139 (1980-10-01), Zilahi-Szabo
patent: 4254847 (1981-03-01), Kamman et al.
patent: 4647227 (1987-03-01), Clebant
patent: 4705410 (1987-11-01), Broock
patent: 4781077 (1988-11-01), El-Sahfei

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