Inner diameter variable vane actuation mechanism

A variable vane actuation mechanism is comprised of a first drive vane arm (38A) and a second drive vane arm (38B) for driving a first variable vane array and a second variable vane array, respectively, of a stator vane section (10) of a gas turbine engine. The first drive vane arm (38A) and second...

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Bibliographische Detailangaben
Hauptverfasser:	TIRONE, JOHN P, GIAIMO, JOHN A
Format:	Patent
Sprache:	eng ; fre ; ger
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 variable vane actuation mechanism is comprised of a first drive vane arm (38A) and a second drive vane arm (38B) for driving a first variable vane array and a second variable vane array, respectively, of a stator vane section (10) of a gas turbine engine. The first drive vane arm (38A) and second drive vane arm (38B) are connected to each other at a first end by a linkage (36). The first drive vane arm (38A) and second drive vane arm (38B) are connected at a second end to a first drive vane (20A) and a second drive vane (20B), respectively, of the first and second variable vane arrays. The first drive vane arm (38A) and second drive vane arm (38B) respond in unison to a single actuation source (18) connected to one of the first drive vane arm (38A) and second drive vane arm (38B).