71434 ⎘
Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid characterised by supply of fluid actuating medium to control element, e.g. of hydraulic fluid to actuator co-rotating with the propeller
PROPELLER ASSEMBLY HAVING A PUMP UNIT
#2Method for filling a nautical hydraulic steering system
#3Control apparatus for a hydraulic variable-pitch propeller and propeller unit comprising a control apparatus of this kind
#4Propulsion system for vessels