overspeed governor

overspeed governor
A device to protect the engine against overspeeding. The servofuel is bled off when the governed engine speed is reached. The two types of governors are centrifugal and hydromechanical.
The illustration shows the propeller governor for an oil-counterweight propeller. The flyweights are connected to the valve and shaft and are rotated by the engine. The propeller control set by the pilot compresses the speeder spring. The counterweights are balanced by oil pressure and help maintain the desired RPM.

Aviation dictionary. 2014.

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  • Overspeed (engine) — Overspeed is a condition in which an engine is allowed or forced to turn beyond its design limit. The consequences of running an engine too fast vary by engine type and model and depend upon several factors, chief amongst them the duration of the …   Wikipedia

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  • centrifugal governor — A governor that uses the centrifugal pressure to govern system output. Centrifugal governors are used in fuel and lubrication systems and for controlling engine RPM. The illustration shows a centrifugal governor in underspeed, overspeed, and on… …   Aviation dictionary

  • min/max governor — Controls the idle speed and prevents overspeed …   Dictionary of automotive terms

  • 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

  • Geschwindigkeitsbegrenzer — (m) eng speed governor, overspeed governor, speed limiting device …   Arbeitssicherheit und Gesundheitsschutz Glossar

  • ограничитель скорости — rus ограничитель (м) скорости, регулятор (м) скорости eng speed governor, overspeed governor, speed limiting device fra limiteur (m) de vitesse deu Geschwindigkeitsbegrenzer (m) spa limitador (m) de velocidad, regulador (m) de velocidad …   Безопасность и гигиена труда. Перевод на английский, французский, немецкий, испанский языки

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