Composite flexural yoke for helicopters

Details Composite flexural yoke for helicopters Composite flexural yoke for helicopters

1977-08-19

1980-10-14

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

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

Nonmetallic resilient mounting

416141, 416148, 416230, B64C 2736

Patent

active

042278570

ABSTRACT:
A yoke for coupling helicopter blades to a mast is provided. The yoke comprises a long oval loop of glass fibers embedded in a cured adhesive to form a solid strap. The side portions of the loop are reinforced with layers of bias ply glass fibers arranged in parallel planes. Structure is provided to couple to the side portions of the loop for attachment to the mast.

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patent: 4008980 (1977-02-01), Noehren et al.
patent: 4012169 (1977-03-01), Mouille et al.
patent: 4038885 (1977-08-01), Jonda
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patent: 4111606 (1978-09-01), Prewo

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