POWER TURBINE NOZZLE CONTROL SYSTEM

A vehicular gas turbine engine has gas generator and power turbine sections, the latter having nozzle vanes which are adjustable to control power turbine speed and turbine temperature, as well as idle and engine braking phases. The subject system controls the adjustment of the nozzle vanes of the po...

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Bibliographische Detailangaben
Hauptverfasser:	ADAMS, MILTON R., BOTH OF, JANSEN, HARVEY B
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A vehicular gas turbine engine has gas generator and power turbine sections, the latter having nozzle vanes which are adjustable to control power turbine speed and turbine temperature, as well as idle and engine braking phases. The subject system controls the adjustment of the nozzle vanes of the power turbine section. The system has a fluid pressure responsive vane actuator with a servo valve and positioning means therefor which are responsive to fluid pressure controlled in part by the throttle of the engine and in part by the speed of operation of the gas generator and power turbine sections of the engine. The servo valve positioning means is connected with the servo valve and vane actuator by linkage which is also responsive to movement of engine throttle means. The servo valve positioning means responds to fluid pressure the application of which is controlled by valve means actuated in accordance with speeds of the gas generator and power turbine sections of the engine.