underspeed overspeed valve

См. также в других словарях:

• underspeed condition — A governor is in its under speed condition when the engine is operating at a speed lower than the governor calls for. The condition occurs when the blades of a propeller move to a higher than normal angle for a constant speed condition for any… …   Aviation dictionary

• Constant speed propeller — Cutaway constant speed propeller hub …   Wikipedia

• ANSI Device Numbers — The ANSI Standard Device Numbers [ [http://www.geindustrial.com/pm/notes/ref/ANSI.pdf GE Multilin ANSI Standard Device Number] ] [ Protective Relaying Manual , Pennsylvania Electric Association (1975)] [ [http://www.basler.com/downloads/ANSI… …   Wikipedia