ELIMINATION AND PREVENTION OF HELICOPTER ROTOR ICING IN CLOUDS Russian patent published in 2015 - IPC B64D15/10 

Abstract RU 2541548 C1

FIELD: aircraft engineering.

SUBSTANCE: proposed method comprises feed of preset amount of NaCl or KCl salt hygroscopic particles in space between spinning rotor blades. Said particles are flooded and enlarged owing to cloud medium to safe sizes to get as salt solution drops onto blades of rotor at spinning. Solution freezing point can be varied to minus 55°C by particle size. Drops are removed from blade surface by centrifugal force or airflow since said force increase with increase in drop radius r.

EFFECT: efficient deicing, decreased consumption of onboard power supply.

5 cl, 1 dwg

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RU 2 541 548 C1

Authors

Tulajkova Tamara Viktorovna

Dates

2015-02-20Published

2013-07-24Filed