Cooling and damping arrangement for gas turbine bearings

Details Cooling and damping arrangement for gas turbine bearings Cooling and damping arrangement for gas turbine bearings

1988-04-25

1989-06-13

Stout, Donald E.

Power plants

Combustion products used as motive fluid

Combustion products generator

60 3983, 384 99, 415180, F02C 712

Patent

active

048380288

ABSTRACT:
A rotor bearing on the turbine side of a gas turbine is surrounded by a concentric cavity through which fuel is routed from its source to the turbine combustion chamber. The fuel of the gas turbine is used as the coolant for the rotor bearing and at the same time the concentric cavity surrounding the bearing forms a hydraulic "compression" film damping device.

REFERENCES:
patent: 2676458 (1954-04-01), Hill
patent: 2784551 (1957-03-01), Karlby et al.
patent: 4080783 (1978-03-01), Hamburg et al.
patent: 4084861 (1978-04-01), Greenberg et al.
patent: 4337983 (1982-07-01), Hibner
patent: 4527911 (1985-07-01), Davis
patent: 4669893 (1987-06-01), Chalaire et al.

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