Impact resistant blade

Details Impact resistant blade Impact resistant blade

1975-12-22

1977-01-04

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Laminated, embedded member or encased material

416241A, F01D 528

Patent

active

040009564

ABSTRACT:
A blade fabricated of a plurality of bonded filament laminates, at least one of the laminates characterized by a plurality of continuous, collimated filaments embedded in a different matrix at the blade tip than at the blade root. The matrices are characterized by different relative impact strengths.

REFERENCES:
patent: 3602608 (1971-08-01), Morley
patent: 3649425 (1972-03-01), Alexander
patent: 3711936 (1973-01-01), Athey et al.
patent: 3762835 (1973-10-01), Carlson et al.
patent: 3841942 (1974-10-01), Carlson et al.
patent: 3883267 (1975-05-01), Baudier et al.
patent: 3886647 (1975-06-01), Alexander
patent: 3900150 (1975-08-01), Delgrosso et al.
patent: 3942231 (1976-03-01), Whitaker

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