GAS TURBINE ENGINE ASSEMBLY, DIFFERENTIAL SQUEEZING OIL FILM DAMPER BEARING ASSEMBLY AND GAS TURBINE ENGINE

摘要

PPROBLEM TO BE SOLVED: To provide a differential squeezing oil film damper bearing assembly for a gas turbine engine. PSOLUTION: The gas turbine engine 10 comprises a high pressure compressor 14, a high pressure turbine 18, a first shaft 31 joined between the high pressure compressor and the high pressure turbine, a fan assembly 12, a low pressure turbine 20, and a second shaft 32 joined between the fan assembly and the low pressure turbine. It uses the first shaft. The differential squeezing oil film damper bearing assembly 50 comprises an inside race 52 joined to the first shaft rotatable in a first direction, an outside race 54 joined to the second shaft rotatable in a second direction opposite thereto, and a plurality of bearings 56 joined between the inside and outside races. PCOPYRIGHT: (C)2007,JPO&INPIT