Composite turbomachinery rotor

Details Composite turbomachinery rotor Composite turbomachinery rotor

1976-06-01

1977-07-26

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

416135, 416230, 416241A, 416221, F01D 532

Patent

active

040379906

ABSTRACT:
A turbomachinery rotor comprising a rotatable hub and a composite blade attached to the periphery thereof. The blade comprises a plurality of bonded filament laminates extending between, and wrapped around, a pair of hollow, semicylindrical inserts at the blade root. The laminates are bonded to the inserts so as to form a cylindrical blade root profile for insertion into a complementary cylindrical groove in the periphery of the hub. A slotted pin is positioned within the inserts to prevent the root from collapsing under loadings and to retain the blade in the hub.

REFERENCES:
patent: 2559131 (1951-07-01), Oestrich et al.
patent: 2656146 (1953-10-01), Sollinger
patent: 2859936 (1958-11-01), Warnken
patent: 2861775 (1958-11-01), Whitehead
patent: 2868439 (1959-01-01), Hampshire et al.
patent: 2929755 (1960-03-01), Porter
patent: 2936155 (1960-05-01), Howell et al.
patent: 3720481 (1973-03-01), Motta
patent: 3737250 (1973-06-01), Pilpel et al.

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