Patent ID: 7870744
Filing Date: 2011-01-18
Classification: F01D,F02C,F02K,F05D,Y10T

Abstract:
1. A system for attaching an end of a high pressure compressor shaft of a dual spool gas turbine engine, comprising: a bevel gear which drives a transmission shaft of an accessories gearbox; a bearing which supports the bevel gear; and a nut with an inner circumference and an outer circumference with respect to an axis of the engine, the nut including a first thread and a second thread disposed on the outer circumference of the nut, wherein the shaft is engaged inside a coupling of the bevel gear, and wherein the first thread of the nut is screwed into said an inner thread of the shaft and the second thread of the nut is screwed to an inner thread of said coupling of the bevel gear.