overspeed valve

См. также в других словарях:

• 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

• 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… …   Aviation dictionary

• isolating/isolation valve — Valves in the fuel or hydraulic systems to separate and isolate subsystems in case of any failure. For example, a fuel isolation valve isolates the pump from its servocontrol system, except the overspeed governor. The valve permits the pump to… …   Aviation dictionary

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• Automatic transmission — An automatic transmission (commonly AT or Auto ) is an automobile gearbox that can change gear ratios automatically as the vehicle moves, freeing the driver from having to shift gears manually. Similar but larger devices are also used for heavy… …   Wikipedia

• Cab signalling — is a railroad safety system that communicates track status information to the train cab (driving position), where the engineer or driver can see the information. The simplest systems display the trackside signal aspect (typically, green, yellow… …   Wikipedia

• Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker …   Wikipedia

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• Electric Line — The term wireline usually refers to a cabling technology used by operators of oil and gas wells to lower equipment or measurement devices into the well for the purposes of well intervention and reservoir evaluation. Braided line can contain an… …   Wikipedia

• Steam turbine — A rotor of a modern steam turbine, used in a power plant A steam turbine is a mechanical device that extracts thermal energy from pressurized steam, and converts it into rotary motion. Its modern manifestation was invented by Sir Charles Parsons… …   Wikipedia

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