Centrifugally activated variable damper assembly

Details Centrifugally activated variable damper assembly Centrifugally activated variable damper assembly

1998-11-30

2000-07-04

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Having positive means for impeller adjustment

Tiltable carrier

416 45, 416 46, 416 51, 416 52, 416107, 416140, 91183, 244 7R, 244 1713, B64C 2742

Patent

active

060829680

ABSTRACT:
A centrifugally activated variable damper assembly for a stopped-rotor aircraft is disclosed for adjusting dampening level of teetering motions produced by the rotors during the in-flight conversion process from rotary-wing to fixed-wing flight, or vise versa. The assembly includes a damper valve responsive to centrifugal forces produced by rotational speed of the aircraft rotor. The assembly also includes dampers within the rotor system that operate at variable damping levels in response to centrifugal forces acting upon the damper valve.

REFERENCES:
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patent: 3762667 (1973-10-01), Pender
patent: 4105365 (1978-08-01), Ferris et al.
patent: 4127244 (1978-11-01), Pender
patent: 4431375 (1984-02-01), Carter, Jr. et al.
patent: 4664410 (1987-05-01), Richard
patent: 4966390 (1990-10-01), Lund et al.
patent: 5107969 (1992-04-01), Klein et al.
patent: 5454530 (1995-10-01), Rutherford

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