PROPELLER BLADE Russian patent published in 1997 - IPC

Abstract RU 2085442 C1

FIELD: propellers of flying vehicles and snowplanes. SUBSTANCE: propeller blade includes front and rear planes intersecting on trailing edges at angle of γ and surfaces of back and leading edge engageable with them and curved over radii r and ro. Surface of back is curved by radius r determined from formula r=k2v2/ω which is equal in shank to rounding-off radius ro of leading edge at minimum velocity V of incoming flow. EFFECT: enhanced reliability. 2 dwg

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RU 2 085 442 C1

Authors

Petinov Vladimir Il'Ich

Dates

1997-07-27Published

1995-04-07Filed