A propeller and related method for adjusting the fluid-dynamic pitch of the propeller blades are described. The propeller has at least one rotatable blade pivoted to a propeller cylindrical casing, a hub adapted to be coupled to an engine and mounted within the propeller casing. The hub is rotatable with respect to the propeller cylindrical casing, or vice versa, for a non-zero angular interval (α) for the adjustment of the fluid-dynamic blade pitch. Moreover, the hub has a contact surface movable between direct or indirect disengagement and engagement positions with a respective abutment which defines a limit stop of the angular interval (α). The limit stop abutment has a region of a movable element arranged in a seat of the propeller cylindrical casing for modifying the limit stop abutment position of the at least one angular interval (α).
PROPELLER AND RELATIVE METHOD FOR FINE ADJUSTING THE FLUID DYNAMIC PITCH OF THE PROPELLER BLADES
PROPELLER UND VERFAHREN ZUR FEINEINSTELLUNG DER DYNAMISCHEN STRÖMUNGSSTEIGERUNG DER PROPELLERBLÄTTER
HÉLICE ET PROCÉDÉ APPARENTÉ DE RÉGLAGE FIN DU PAS AÉRO- OU HYDRODYNAMIQUE DES PALES D'HÉLICE
2019-04-24
Patent
Elektronische Ressource
Englisch
Propeller and relative method for fine adjusting the fluid dynamic pitch of the propeller blades
Europäisches Patentamt | 2019
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