Contoured sheet metal airfoil fans

Details Contoured sheet metal airfoil fans Contoured sheet metal airfoil fans

1974-07-03

1976-06-15

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade held between separable surfaces

416208, 416DIG3, F04D 2934

Patent

active

039633730

ABSTRACT:
A fan blade and root assembly is disclosed for use in a hot gas engine requiring low weight and high efficiency. The root construction facilitates simple sheet metal stamping fabrication throughout the blade, root, and hub while permitting an air foil shape to be imported to the blade.

REFERENCES:
patent: 1611547 (1926-12-01), Miller
patent: 2100980 (1937-11-01), Schwartz
patent: 2581872 (1952-01-01), Morrison
patent: 2802619 (1957-08-01), Clarke
patent: 2866616 (1958-12-01), Stalker

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