FIELD: engines and pumps.
SUBSTANCE: line of vanes with variable pitch comprises vanes arranged in casing and driven by their control system. Said control system comprises driving ring secured on said casing and articulated by levers with aforesaid vanes to set them moving simultaneously. Driving ring is simply revolved around turbojet engine axis. Control system comprises two coaxial parts, namely: inner part rigidly coupled with casing and outer part incorporating said driving ring coupled with aforesaid levers and directed to revolve about said inner part. At least one electrically driven unit is arranged between said inner and outer parts. Another invention of the set relates to compressor furnished with said row of vanes of straightening grid. One more invention relates to turbojet engine comprises aforesaid compressor.
EFFECT: accurate alignment of driving ring with engine axis.
12 cl, 5 dwg
