Blade retention system

Details Blade retention system Blade retention system

1980-03-24

1982-07-27

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

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

Nonmetallic resilient mounting

416141, B64C 2738

Patent

active

043414990

ABSTRACT:
A blade retention system for use in a fully articulated rotor head of a rotary wing aircraft is described. The retention system comprises a separate elastomeric bearing means for carrying loads in compression and accommodating motions about the respective flapping, lead-lag, and pitching axes of the rotor head in shear for each type of motion about the respective flapping, lead-lag and pitching axes of the rotor head.

REFERENCES:
patent: 2169849 (1939-08-01), Pitcairn
patent: 3556673 (1971-01-01), Killian
patent: 3790302 (1974-02-01), Pascher
patent: 3862812 (1975-01-01), Gorndt et al.
patent: 4135856 (1979-01-01), McGuire
patent: 4232563 (1980-11-01), Peterson
patent: 4249862 (1981-02-01), Waddington et al.

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