Swashplate bearing assembly with enhanced alloys

Details Swashplate bearing assembly with enhanced alloys Swashplate bearing assembly with enhanced alloys

2008-07-10

2011-10-11

Hannon, Thomas R (Department: 3656)

Bearings

Rotary bearing

Antifriction bearing

C384S492000, C384S913000

Reexamination Certificate

active

08033736

ABSTRACT:
An improved swashplate assembly of the main rotor of an AH-64 Apache helicopter includes a stationary swashplate and a rotating swashplate and a ball bearing between the swashplates, the ball bearing having an outer ring, an inner ring, two sets of balls between the inner ring and the outer ring, and a wire loop cage between the inner ring and the outer ring. The improvement includes that the inner ring, the outer ring and the balls are formed from an M50 alloy.

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patent: 5861067 (1999-01-01), Hetzner
patent: 5879480 (1999-03-01), Hetzner
patent: 6109876 (2000-08-01), Schreiber
patent: 6302356 (2001-10-01), Hawkins
patent: 2007/0128037 (2007-06-01), Schmaling et al.

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