Passive speed and power regulation of a wind turbine
Phase and speed control system
Phase change means for a power driven device, such as a fan
Pitch change actuation system
Pitch control system
Pitch control system
Pitch control system for variable pitch propeller
Pitch governing assembly for windmills
Pitch link for rotary wing aircraft and automatic adjuster there
Power management system
Pressure relief device for a propeller hub
Propeller brake for a turbo-prop engine
Propeller control system
Propeller for boat
Propeller for boat
Propeller hub with self-adjusting pitch mechanism
Propeller ice protection system and method providing reduced sli
Propeller pitch and engine load control apparatus
Propeller pitch change actuation system
Propeller pitch change system