Patent ID: 8425197
Filing Date: 2013-04-23
Classification: F01D,F02C,F02K,Y10T

Abstract:
1. An arrangement for mounting a nose cone on a gas turbine engine, the arrangement including a plurality of tightenable fastening members, each fastening member having an engagement member with a pair of opposed contact faces movably mounted on opposite sides of an elongate member, with at least one of the contact faces inclined relative to the elongate member, a plurality of first formations on the rear of the nose cone circumferentially spaced therearound, a plurality of second formations on a mounting member connected to the fan disc, the second formations being circumferentially spaced in a corresponding manner to the first formations, the first and second formations being configured to define a passage between the respective first and second formations when the nose cone is aligned relative to the mounting member with the elongate member of a respective fastening member extending through each said passage, at least one of the nose cone and mounting member having an inclined contact surface adjacent the respective first and second formations, the fastening members and contact surfaces being configured such that as the fastening members are tightened, engagement between the engagement member and the contact surfaces causes the nose cone to be urged axially towards the mounting member.