Arrangement in a propulsion system

Details Arrangement in a propulsion system Arrangement in a propulsion system

B - Operations, Transporting

63

H

B63H 1/28 (2006.01) B63H 5/10 (2006.01)

Patent

CA 2509401

In a counter rotating propulsion system (CRP), whereby the aft propeller (22) and the forward propeller (6) have opposite directions of rotating and the aft and forward propellers are arranged against each other, the forward propeller is provided with a hubcap (30), wherein at least two equally distributed flow plates (28) are arranged on the cap (30) and the flow plates (28) are radially projecting from the cap (30).

L'invention concerne un système de propulsion contrarotatif (CRP), dans lequel l'hélice arrière (22) et l'hélice avant (6) ont des sens de rotation opposés. L'hélice arrière et l'hélice avant sont disposées de manière opposée l'une à l'autre. L'hélice avant est munie d'un cache-moyeu (30) dans lequel au moins deux plaques d'écoulement (28) réparties de manière égale sont montées sur le cache (30) et lesdites plaques d'écoulement (28) font saillie dudit cache (30), dans le sens radial.

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