Aerial propellers more especially for aircraft propulsive units

Details Aerial propellers more especially for aircraft propulsive units Aerial propellers more especially for aircraft propulsive units

1987-10-07

1988-12-13

Hershkovitz, Abraham

Fluid reaction surfaces (i.e., impellers)

Support mounting, carrier or fairing structure

Spinner or fairwater cap

416DIG2, B64C 1114

Patent

active

047907258

ABSTRACT:
The invention provides improvements to aerial propellers, particularly for aircraft propulsive units, wherein the cowling of the propeller is defined by a meridian line having: at its origin (B) a maximum curvature greater than 15; then a curvature decreasing rapidly from the maximum value to a value of 7; then a curvature decreasing linearly from the value 7 to a value of 0; than a curvature decreasing more slowly from the value 0 to a minimum value between -3 and -5; then a curvature increasing rapidly from the minimum value to a value of 0.

REFERENCES:
patent: 1402539 (1922-01-01), Ross
patent: 1929690 (1933-10-01), Huntman
patent: 2408677 (1946-10-01), Owner
patent: 2637403 (1953-05-01), Wallace
patent: 2924282 (1960-02-01), Perryman
patent: 2934150 (1960-04-01), Fink
patent: 4129984 (1978-12-01), Nelson
patent: 4419053 (1983-12-01), Swearingen, Jr.

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