GAS TURBINE ENGINES AND EPICYCLIC GEARBOXES WITH PLANET GEAR CLEARANCES

Abstract: a gas turbine engine includes a gearbox assembly for delivering torque from a low speed shaft to a primary fan. the gearbox assembly includes a planet gear and a bearing pin for the planet gear. the planet gear and bearing pin are arranged so that a clearance between the two is maintained during a takeoff condition for the gas turbine engine. the gas turbine engine further includes a lubricant system for supplying lubricant to the gearbox assembly.

Inventor(s): Kedar S. Vaidya, Bugra H. Ertas

CPC Classification: F02C7/36 (GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS (construction of turbines ; jet-propulsion plants ; construction of compressors or fans ; generating combustion products of high pressure or high velocity ; using gas turbines in compression refrigeration plants ))

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