FIELD: systems for gas-turbine journal bearings.
SUBSTANCE: proposed system specially designed to raise turbine speed of rotation and to keep desired proportion between temperature and pressure within gas turbine is used for gas-turbine supporting members or bearings, in particular for second journal bearing and has central shaft with a number of journal bearing shells around it which, in their turn, are joined with casing for shells; it also has sleeve for second journal bearing of turbine and a number of pipes, respectively, for feeding and discharging lubricating and cooling oil; in addition, system has a number of side seals disposed so that they are facing second journal bearing which sets up pressure drop affording oil flow under pressure to drain tubes at constant speed.
EFFECT: simplified design, enhanced economic efficiency and reliability, reduced space requirement of system.
4 cl, 3 dwg
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