Elastomeric swashplate configuration for helicopters

Details Elastomeric swashplate configuration for helicopters Elastomeric swashplate configuration for helicopters

1990-10-11

1991-12-24

Peters, Jr., Joseph F.

Aeronautics and astronautics

Aircraft, heavier-than-air

Helicopter or auto-rotating wing sustained, i.e., gyroplanes

416114, 416134A, 74 60, B64C 2735, B64C 27605

Patent

active

050744941

ABSTRACT:
A swashplate configuration for a helicopter which eliminates the need for a uniball centering bearing and either a stationary or rotating scissors linkage through the use of elastomeric bearing assemblies consisting of a first stack of flat laminates oriented both vertically and radially with respect to the axis of the main rotor shaft and a second stack of spherical laminates having a center axis oriented radially with respect to the main rotor shaft axis and which reacts centering and torque loads through compression of the laminate stacks.

REFERENCES:
patent: 3558082 (1971-01-01), Bennie
patent: 3841586 (1974-10-01), Broadley et al.
patent: 4232563 (1980-11-01), Peterson et al.
patent: 4588355 (1986-05-01), Ferris et al.
patent: 4688993 (1987-08-01), Ferris et al.

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