Helicopter gimbal rotor

Details Helicopter gimbal rotor Helicopter gimbal rotor

1984-09-27

1986-01-28

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Articulated, resiliently mounted or self-shifting impeller...

Nonmetallic resilient mounting

416138, 416140, 416148, B64C 2733, B64C 2735

Patent

active

045668566

ABSTRACT:
Hub moment for a tilt rotor is provided by U-shaped springs that extend outwardly from the rotorshaft and in-plane with the tilt point (P) and inwardly to the tiltable hub member in the rotor plane, which is above the tilt point (P). Driving torque is supplied to the rotor via a torque disc that has a resilient diaphragm portion attached to the rotorshaft in-plane with the tilt point (P) and a rigid rim attached to the tiltable hub member in the rotor plane. The torque disc comprises the lower half of an aerodynamic fairing which encases the hub.

REFERENCES:
patent: 2606621 (1952-08-01), Neale
patent: 2633925 (1953-04-01), Bates
patent: 2648387 (1953-08-01), Doman
patent: 2861641 (1958-11-01), Bensen
patent: 3288226 (1966-11-01), Lemont et al.
patent: 3412680 (1968-11-01), Girard
patent: 4111605 (1978-09-01), Roman et al.
patent: 4115031 (1978-09-01), Drees et al.
patent: 4323332 (1982-04-01), Fradenburgh
patent: 4326834 (1982-04-01), Ostrowski
patent: 4477225 (1984-10-01), Burkam

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