Hollow fan hub under blade bumper

Details Hollow fan hub under blade bumper Hollow fan hub under blade bumper

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 29/34 (2006.01) F01D 5/26 (2006.01) F01D 5/30 (2006.01)

Patent

CA 2435192

An attachment system for joining a blade to a hub is described. The system comprises a blade slot in the hub, a rail system positioned within the blade slot, a root portion of a blade positioned within the slot, and a bumper cooperating with the rail and contacting the blade root portion. The bumper has a central portion with first and second sides, a first pair of arms extending from the first side, and a second pair of arms extending from the second side. The central portion of the bumper includes a tab for positioning the bumper within a blade slot.

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