F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
60/90
F02C 7/057 (2006.01) F01D 17/16 (2006.01) F04D 27/02 (2006.01)
Patent
CA 1162748
-16- Abstract of the Disclosure A linkage system for actuating the variable vanes and the air bleed valve of a gas turbine engine compres- sor in an intermittent sequence includes a single ac- tuator and a linkage mechanism. The latter is formed of a first actuating linkage extending to the bleed control valve, a second actuation linkage extending to the variable guide vanes, and an intermediate crank mechanism connected to the first and second actuating linkages and also to the single actuator. The linkage system is operative to convert the linear motion from the single actuator to multiplane intermittent rotational motion of the actuating linkages extending to the vari- able vanes and the bleed valve of the compressor. When embodied in a military aircraft, the single ac- tuator is preferably disposed above the compressor casing so as to make it less vulnerable to enemy ground fire.
394783
Johnson Robert E.
Pekari Frederick J.
Avco Corporation
Ridout & Maybee Llp
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