Attachment of a rotor blade of fiber reinforced plastic to a met

Details Attachment of a rotor blade of fiber reinforced plastic to a met Attachment of a rotor blade of fiber reinforced plastic to a met

1988-06-03

1989-10-31

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Adjustable

416209, 416241A, 416248, B64C 1104

Patent

active

048773760

ABSTRACT:
A fiber reinforced thermoplastic propeller is attached to a metallic rotor by an integral shank at the base of the propeller. By virtue of the manufacture of the shank and the propeller as an integral construction, improved transmission of centrifugal forces especially where the propeller and hub have greatly different cross-sections can be effected while simultaneously reducing weight. Attachment of the shank to the hub is made through a connection by which pre-stress can be applied to the propeller to assist in resistance of lateral impact force.

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patent: 4047840 (1977-09-01), Ravenhall et al.
patent: 4098559 (1978-07-01), Price
patent: 4110056 (1978-08-01), Stevenson

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