| 摘要 |
Control device of variable pitch vanes in a turbomachine, including a ring (14) surrounding a casing (10) of the turbomachine and connected by links to the variable pitch vanes, and a jack (16) connected to the ring in order to displace it in rotation around the casing, the jack being mounted pivoting on the casing and its piston rod (18) being connected to the ring by a connecting rod (24), the piston and connecting rods being articulated on an axis (20) which is connected to the casing by guiding means (33) maintaining it at a substantially constant distance from the casing.
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