71427 ⎘
Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical
Sub-classes:Electrically controllable pitch propeller system for maritime crafts
#2PROPELLER PITCH INDICATOR SYSTEMS FOR ELECTRICALLY CONTROLLABLE PITCH PROPELLER SYSTEMS ON WATERCRAFT
#3Variable-pitch propeller having optimal hub-to-tip diameter ratio
#4Reluctance driven axial modulating mechanism for rotating shafts realizing a controllable pitch propeller/fan/turbine
#5Propeller system
#6Controlling blade pitch by a plurality of electric motors
#7Reduced Complexity Ring Motor Design for Propeller Driven Vehicles
#8CYCLOIDAL MARINE-PROPULSION SYSTEM
#9Control apparatus for boat
#10Variable-pitch propeller or repeller
#11Device with counter-rotating propellers having a propeller pitch altering means
#12REMOTELY CONTROLLED AND ELECTRONICALLY OPERATED VARIABLE-PITCH SAILBOAT PROPELLER
#13Electrohydraulic propeller governor
#14Method and apparatus for synchronous impeller pitch vehicle control